Storm News
[Index][Aussie-Wx]
Australian Weather Mailing List Archives: Thursday, 30 December 1999

    From                                           Subject
--------------------------------------------------------------------------------------
001 Jonty Hall [jdh at vortex.shm.monash.edu.au]      summer arrives in Brissie!!!
002 Ira Fehlberg [jra at upnaway.com]                 WA storms go off
003 Mark Dwyer [mjd at wantree.com.au]                WA Goes off
004 Mark Dwyer [mjd at wantree.com.au]                WA STA
005 Jimmy Deguara [jdeguara at ihug.com.au]           Storm Chase NSW looks quite good 30th
006 Jimmy Deguara [jdeguara at ihug.com.au]           Chase is on
007 Michael Bath [mbath at ozemail.com.au]            NSW North Coast storms 29/12
008 "Paul Graham" [v_notch at hotmail.com]            New Year's Eve Washout for SE NSW?
009 "Mark Hardy" [mhardy at magna.com.au]             New Year's Eve Washout for SE NSW?
010 Ben [bodie at flatrate.net.au]                    summer arrives in Brissie!!!
011 Blair Trewin [blair at met.Unimelb.EDU.AU]        European storms
012 Anthony Cornelius [cyclone at flatrate.net.au]    New Year's Eve Washout for SE NSW?
013 Blair Trewin [blair at met.Unimelb.EDU.AU]        summer arrives in Brissie!!!
014 "John Woodbridge" [jrw at pixelcom.net]           New Year's Eve Washout for SE NSW?
015 Anthony Cornelius [cyclone at flatrate.net.au]    Chasers Return
016 Anthony Cornelius [cyclone at flatrate.net.au]    Atmospheric Soundings Page..........
017 Anthony Cornelius [cyclone at flatrate.net.au]    NSW North Coast storms 29/12
018 Anthony Cornelius [cyclone at flatrate.net.au]    summer arrives in Brissie!!!
019 Blair Trewin [blair at met.Unimelb.EDU.AU]        summer arrives in Brissie!!!
020 Ben Munro [benjamin at biosys.net]                Chasers Return
021 Anthony Cornelius [cyclone at flatrate.net.au]    Chasers Return
022 Anthony Cornelius [cyclone at flatrate.net.au]    Large Storm near the Central Coast
023 "mbath at ozemail.com.au" [mbath at ozemail.com.au]  Perth chase
024 Anthony Cornelius [cyclone at flatrate.net.au]    Sydney & Surrounding Storms
025 Anthony Cornelius [cyclone at flatrate.net.au]    Sydney & Surrounding Storms
026 Blair Trewin [blair at met.Unimelb.EDU.AU]        Rain in Melbourne
027 Norman Lynagh [lynagh at dial.pipex.com]          European storms
028 Anthony Cornelius [cyclone at flatrate.net.au]    Severe T'storm warning for SE QLD!
029 Anthony Cornelius [cyclone at flatrate.net.au]    Yet more chase updates!
030 "Halden Boyd" [haldenboyd at hotmail.com]         storms ne nsw MIKE U OK????
031 "Pearce" [r_pearce at Dingoblue.net.au]           Sydney & Surrounding Storms
032 "Michael Thompson" [michaelt at ozemail.com.au]   Yet more chase updates!
033 "Michael Thompson" [michaelt at ozemail.com.au]   WA storms go off
034 Les Crossan [les.crossan at virgin.net]           European storms
035 Matt Smith [disarm at braenet.com.au]             todays chase
036 Michael Bath [mbath at ozemail.com.au]            NSW north coast chase
037 Ben [bodie at flatrate.net.au]                    SE QLD Storms
038 Tom Johnstone [Iain.Johnstone at pse.unige.ch]    QLD and WA storms
039 Jimmy Deguara [jdeguara at ihug.com.au]           Storm chase brief report
040 "Steve" [sselka at ozemail.com.au]                QLD and WA storms

--------------------------------------------------------------------------------------
001
Date: Thu, 30 Dec 1999 00:59:10 -1100 (DST)
From: Jonty Hall [jdh at vortex.shm.monash.edu.au]
To: aus-wx [aussie-weather at world.std.com]
Subject: aus-wx: summer arrives in Brissie!!!
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

Well, *finally* some slightly more typical summer weather has appeared in
Brisbane. I arrived back up here from Melbourne about a week ago, and up
until today I've been wearing mainly Melbourne style clothing! But today
reached 32C at the airport, which is much more like it. Max temps all 
up the Qld coast have been quite high today, due to the low pushing
down into the central Tasman and producing westerly components into
the surface winds. Looks like there is a fair spell of more typical summer
weather on the way - ahh its good to be back in Qld!

There was a very nice (distant) view of the northern NSW storms this arvo
from Mt Coot-tha in Brisbane just around sunset. A nice light show as the
twilight dropped away too - around 60 CC flashes per minute (too distant
for the cloud base to be observed). Muggins here forgot his camera of
course :-( .

What do you SE Qld blokes reckon to the chances of some action towards the
end of the week? I've only had a quick look at the AVN forecast, from
which I think you'd have to hedge your bets a bit. Not a lot of CAPE, with
fairly warm mid/upper levels, but an interesting positioning of the upper
jet on Friday and Saturday. Low/moderate straight line shear in the lower
levels. I haven't looked at any other guidance, but this reasoning does
seem to be backed by the official forecast at the moment, which seems to
be a bit of a fence sit as well. Any more ideas anyone? Anyone going to be
chasing? (Some nice storms for the new year perhaps?!)

Cheers,

Jonty.

____________________________________________________________________

Jonty Hall                   jdh at vortex.shm.monash.edu.au

CRC for Southern Hemisphere Meteorology
Monash University
Wellington Road,
Clayton, Vic   3168

Ph +61 3 9905 9684

____________________________________________________________________



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002
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Date: Wed, 29 Dec 1999 23:53:37 +0800
To: aussie-weather at world.std.com
From: Ira Fehlberg [jra at upnaway.com]
Subject: aus-wx: WA storms go off
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Im so tired right now after working and then chasing two days into the late
night that ill keep this short. 8 cars chased today in WA and in short it
went off! John and i chased together, storms everywhere, tops est to be
about 17k's. We got some great features, went into the RFD of one cell to
get that good hail footage we always wanted. Fast heavy hail, trees down
etc etc It went off, just towers everywhere, its up there with some of the
best days ive ever had, saw hundreds and hundreds of cgs. About 10 or so
cells on the radar with pink in them, lots of debris on the road. Ill write
more later but i gotta crash as tomoorow is more of the same, thats 4 days
in a row :) 
Jacob saved a loop and its up at http://www.upnaway.com/~jra/291299LOOP2.gif

Ira Fehlberg

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003
Date: Thu, 30 Dec 1999 00:14:05 +0800
From: Mark Dwyer [mjd at wantree.com.au]
X-Mailer: Mozilla 4.7 [en] (Win98; I)
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To: "aussie-weather at world.std.com" [aussie-weather at world.std.com]
Subject: aus-wx: WA Goes off
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Well yes it happened again today better than yesterday, 8 cars on the rd
at the same time. A STA out which was latter proved a good Move by the
BoM, Perth. Just before New Norcia on the Great Northern Hwy, it was
total carnage, trees every were, the road was Blocked for about 800
M...with trees around 1-1.5 M in Girth fallen accross the road, 2cm Hail
falling on our heads while taking damage pic's and 4cm hail on the
ground about 15min's old and melting fast...more detail's latter on
this....
        The Forecast for perth has been upgraded from a risk of a
Thunderstorm at 4:30 WST to this....for tomorrow( thursday)

IDF02W00
BUREAU OF METEOROLOGY
WESTERN AUSTRALIAN REGIONAL OFFICE

FORECAST FOR THE PERTH METROPOLITAN AREA
Issued at 9:05pm WST on Wednesday the 29th of December 1999 for Thursday

FORECAST:
Hot with local thunderstorms and showers. E'ly winds, fresh at times.
Risk of
hail and squalls from storms.

    TEMPERATURES:  Minimum:  21   Maximum: 38
    UV INDEX:      14 [EXTREME]

    FIRE DANGER:   Coastal Plain: VERY HIGH
                   Hills:         VERY HIGH


A deep 'heat' trough lies near the west coast and together with an upper
level
disturbance, it is expected to cause thunderstorm activity in the
Metropolitan
area. There is the risk of strong squalls and hail during the day.
Hot, unsettled weather should continue on Friday with the risk of
thunderstorms.
Saturday  and Sunday should also be hot though thunderstorms are less
likely.


MEDIUM RANGE FORECAST FOR PERTH FOR:
   Friday    :  Hot, unsettled.                     Min: 22  Max: 38
   Saturday  :  Hot.                                Min: 22  Max: 38
   Sunday    :  Fine.                               Min: 22  Max: 35

TREND FOR MONDAY, TUESDAY and WEDNESDAY:
Warm and mainly fine. Max temps: Near 30.

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004
Date: Thu, 30 Dec 1999 00:36:33 +0800
From: Mark Dwyer [mjd at wantree.com.au]
X-Mailer: Mozilla 4.7 [en] (Win98; I)
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To: "aussie-weather at world.std.com" [aussie-weather at world.std.com]
Subject: aus-wx: WA STA
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

>From earlier on tonight...looking good for tomorrow again.....

IDW10W00
BUREAU OF METEOROLOGY
WESTERN AUSTRALIAN REGIONAL OFFICE

PRIORITY
FOR IMMEDIATE BROADCAST

SEVERE THUNDERSTORM ADVICE
Issued at 10:05 pm WST on Wednesday, 29 December 1999

People in inland parts of the SW Land Division and southern inland parts
of the
Gascoyne are advised that thunderstorms are slowly weakening and
activity should
continue to decrease overnight.

No further thunderstorm advice messages will be issued tonight.

Thunderstorms are expected to redevelop over western districts during
Thursday
and advice messages will be issued on Thursday if required.

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005
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Date: Thu, 30 Dec 1999 07:05:48 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Storm Chase NSW looks quite good 30th
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I think storm chase fir today looks quite good for the area north west 
slopes and plains. Storm may even be observed west of the mtns and Sydney. 
There will also be storms tomorrow around NE NSW. What bad timing - New 
Years Eve. I would really suggest people chase those storm areas.

Anyone interested going for a chase day today north into the Hunter to 
Molong area or futher north of there are welcome to get into contact with 
me. I am at least going to chase today.

Jimmy Deguara

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006
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Date: Thu, 30 Dec 1999 09:14:56 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Chase is on
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Daniel Weatherhead and myself are chasing around the Mudgee area.

Keep us informed if you wish

0402091479 Daniel's mobile  call him if you can otherwise me if you can't 
get him.  I will be driving
0408020468 my mobile

I hope we get something. Some congestus developing indicating instability. 
hopefully it will hold for later.

Jimmy Deguara

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007
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Date: Thu, 30 Dec 1999 10:24:43 +1100
To: aussie-weather at world.std.com
From: Michael Bath [mbath at ozemail.com.au]
Subject: aus-wx: NSW North Coast storms 29/12
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

Hasn't been much action up this way lately - just showers or rain and SE
winds. However some storm activity eventually made it to the Far North
Coast late afternoon yesterday.

>From mid morning we had high constrast (absolutely free of haze) cumulus
and congestus popping up giving the odd light shower here and there, but it
was obviously highly capped with some of the larger clouds growing to about
4-5ks then spreading out as altocumulus. Quite similar to Sydney on the
supercell day of 14/4/99. Large storms were evident to the far south from
early afteroon and activity very slowly made its way here by late afternoon.

Cells developed close to the coast about 50ks or so to my south by 6pm and
tracked mostly ENE to NE along the coast. The Grafton local radar loop from
0540-1000z (4.40 to 9.00pm local) can be found here:
http://australiansevereweather.simplenet.com/temp/991229/grafton991229.gif
As is usual with Grafton radar, a number of images are missing
unfortunately. I had an excellent view of the cell over Evans Head from
just after 6pm to 7pm local before fresh SE winds spread stratus in the
way. At the same time another cell was observed east of Ballina. Both cells
had beautiful boiling updrafts at the rear (I was looking towards their NW
and W flank), but were not very high, probably 10km max and had very little
lightning activity (this is from my observations and from Halden Boyd at
Evans Head and John Graham at Ballina) - obviously that changed further
north as Ben reported.

There was some comments last night on ICQ about a cell being supercellular
based on the longevity, the slightly different direction (more northerly)
and from IR satpics. The features I saw of the cell near the coast were not
of a supercell, but perhaps the cell further E is the one - please check
the radar for your opinions. Certainly the cap was broken as a SE surge
moved up the North Coast yesterday - a similar setup to the Sydney
supercell on 14/4/99, however my observations suggest multicell storms
only. If someone has saved the Brisbane broad radar loop, it may show the
cells at the limit of Grafton local better.

On another note, it is great to read of all the action in WA for the Perth
chasers - I look forward to your pics and reports as it looked spectacular
from the radar and IR satpics.

cheers, Michael

 ==================================================================
 Michael Bath         mailto:mbath at ozemail.com.au
 Wollongbar NSW 2477  http://australiansevereweather.simplenet.com/
 Australia            http://www.lightningphotography.com/
 Secretary ASWA Inc.  http://www.severeweather.asn.au/
 ==================================================================
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008
X-Originating-IP: [203.41.218.150]
From: "Paul Graham" [v_notch at hotmail.com]
To: aussie-weather at world.std.com
Subject: aus-wx: New Year's Eve Washout for SE NSW?
Date: Wed, 29 Dec 1999 16:23:35 PST
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi everyone,
The NGP model shows an upper level trough extending into SE/Central NSW 
tomorrow night.  Further more, NGP also shows an area of high precipitation 
in SE NSW at this time.   So it looks like we may even get thunderstorms 
here in Sydney tomorrow night...Could be better than the fireworks!
- Paul G.
______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com

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009
X-Mailer: Microsoft Outlook Express Macintosh Edition - 4.5 (0410)
Date: Thu, 30 Dec 1999 11:44:10 +1100
Subject: Re: aus-wx: New Year's Eve Washout for SE NSW?
From: "Mark Hardy" [mhardy at magna.com.au]
To: aussie-weather at world.std.com
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Paul
What drugs have you been taking? How dare you suggest that our multi-million
dollar pyrotechnical extravaganza could be upstaged by mere meteorological
electrostatics. Get your head out of the clouds.
MH


----------
>From: "Paul Graham" 
>To: aussie-weather at world.std.com
>Subject: aus-wx: New Year's Eve Washout for SE NSW?
>Date: Thu, 30 Dec 1999 11:23
>

> Hi everyone,
> The NGP model shows an upper level trough extending into SE/Central NSW
> tomorrow night.  Further more, NGP also shows an area of high precipitation
> in SE NSW at this time.   So it looks like we may even get thunderstorms
> here in Sydney tomorrow night...Could be better than the fireworks!
> - Paul G.
> ______________________________________________________
> Get Your Private, Free Email at http://www.hotmail.com
>
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>  -----------------------jacob at iinet.net.au------------------------------
> 
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010
Date: Thu, 30 Dec 1999 11:04:45 +1100
From: Ben [bodie at flatrate.net.au]
X-Mailer: Mozilla 4.7 [en] (Win95; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: summer arrives in Brissie!!!
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Jonty, everyone..

AVN seems to have done an about face overnight! I looked at the LI's last
night and they were looking not so good for Brisbane on Saturday, but the
latest forecasts have a respectable area of -4 over the top of Brisbane and
the Sunshine Coast associated with an upper level trough - bit close to the
coast, hopefully they'll move inland a bit over the next few days.. CAPE is
now around 1100 as well..

Upper level winds (as Jonty has pointed out) are looking quite good too.. with
a 100 knot jet running right over the top of SE QLD, and good winds at most
levels (35 knots at 500mb, 25 knots at 700mb).. severe storms are certainly
looking possible..

GASP doesn't look too bad either, with a surface trough cutting the south
coast around the Fraser Island/Sunshine coast area on Saturday, with another
trough over the eastern downs.. then a weakening SE change moving up the NSW
coast reaching Brisbane Sunday afternoon/evening..

After the crappy season that we have had so far.. i am glad to say...

BRING IT ON!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

(BTW - have to chip in for my new digital camera which i am buying today, so i
will be flat broke and can't chase - but if anyone is planning to be on the
northside at some point i'd be interested in meeting up for some spotting)


Jonty Hall wrote:

> Hi all,
>
> Well, *finally* some slightly more typical summer weather has appeared in
> Brisbane. I arrived back up here from Melbourne about a week ago, and up
> until today I've been wearing mainly Melbourne style clothing! But today
> reached 32C at the airport, which is much more like it. Max temps all
> up the Qld coast have been quite high today, due to the low pushing
> down into the central Tasman and producing westerly components into
> the surface winds. Looks like there is a fair spell of more typical summer
> weather on the way - ahh its good to be back in Qld!
>
> There was a very nice (distant) view of the northern NSW storms this arvo
> from Mt Coot-tha in Brisbane just around sunset. A nice light show as the
> twilight dropped away too - around 60 CC flashes per minute (too distant
> for the cloud base to be observed). Muggins here forgot his camera of
> course :-( .
>
> What do you SE Qld blokes reckon to the chances of some action towards the
> end of the week? I've only had a quick look at the AVN forecast, from
> which I think you'd have to hedge your bets a bit. Not a lot of CAPE, with
> fairly warm mid/upper levels, but an interesting positioning of the upper
> jet on Friday and Saturday. Low/moderate straight line shear in the lower
> levels. I haven't looked at any other guidance, but this reasoning does
> seem to be backed by the official forecast at the moment, which seems to
> be a bit of a fence sit as well. Any more ideas anyone? Anyone going to be
> chasing? (Some nice storms for the new year perhaps?!)
>
> Cheers,
>
> Jonty.
>
> ____________________________________________________________________
>
> Jonty Hall                   jdh at vortex.shm.monash.edu.au
>
> CRC for Southern Hemisphere Meteorology
> Monash University
> Wellington Road,
> Clayton, Vic   3168
>
> Ph +61 3 9905 9684
>
> ____________________________________________________________________
>
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>  message.
>  -----------------------jacob at iinet.net.au------------------------------

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011
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: aus-wx: European storms
To: aussie-weather at world.std.com (Aussie Weather)
Date: Thu, 30 Dec 1999 12:16:56 +1100 (EST)
X-Mailer: ELM [version 2.4 PL23]
Sender: aussie-weather-approval at world.std.com
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Back at work after the break - will post further about various points
of Australian interest during the rest of today.

Most of you will have seen a bit on the news about the European
storms. I've spent part of the morning looking for hard data (having
strongly suspected that the 'more than 200 km/h' reported in the
Australian media would have been from one or two mountaintop sites),
and have found some, although no charts (yet).

The 25-26 December system appears (as far as I can work out from 
uk.sci.weather postings) to stem from a 938 hPa low east of Scotland,
whilst the 27-28 December system was a low which moved across France
(central pressure 960-ish).

Wind gusts at low-elevation sites in France, southern Germany and
Switzerland seem to have been mostly in the 70-80 knot range, although
Orly Airport (near Paris) got 93. Gusts over 100 knots/185 km/h have
been recorded at various high-elevation sites in France and 
Switzerland, although not at any low-elevation sites as far as I can
tell. 

I don't have any information on whether these winds were of record-
setting proportions. I did find a French web page which suggested that,
in the Lyon region at least, the winds were of once-every-10 or 20
years proportions (in as much as I can work it out from my rusty
French) rather than once-in-a-century, but Lyon appears to have
missed the worst of the damage, so this may not be representative
of elsewhere.

Blair Trewin
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012
Date: Thu, 30 Dec 1999 11:25:41 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: New Year's Eve Washout for SE NSW?
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

While the pyrotechnics may be worth millions of dollars, that 'mere
meteorologic electrostatic' is priceless! :)  Our "advanced technology"
is still yet to fully reconstruct lightning, and our "large, intelligent
well developed brains able to solve complex problems" are still at a
loss as to why lightning occurs! :-)

Mark Hardy wrote:
> 
> Paul
> What drugs have you been taking? How dare you suggest that our multi-million
> dollar pyrotechnical extravaganza could be upstaged by mere meteorological
> electrostatics. Get your head out of the clouds.
> MH
> 
> ----------
> >From: "Paul Graham" 
> >To: aussie-weather at world.std.com
> >Subject: aus-wx: New Year's Eve Washout for SE NSW?
> >Date: Thu, 30 Dec 1999 11:23
> >
> 
> > Hi everyone,
> > The NGP model shows an upper level trough extending into SE/Central NSW
> > tomorrow night.  Further more, NGP also shows an area of high precipitation
> > in SE NSW at this time.   So it looks like we may even get thunderstorms
> > here in Sydney tomorrow night...Could be better than the fireworks!
> > - Paul G.
> > ______________________________________________________
> > Get Your Private, Free Email at http://www.hotmail.com
> >
> >  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> >  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
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> >  message.
> >  -----------------------jacob at iinet.net.au------------------------------
> >
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
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-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

013
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: Re: aus-wx: summer arrives in Brissie!!!
To: aussie-weather at world.std.com
Date: Thu, 30 Dec 1999 12:44:09 +1100 (EST)
X-Mailer: ELM [version 2.4 PL23]
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

> 
> Hi all,
> 
> Well, *finally* some slightly more typical summer weather has appeared in
> Brisbane. I arrived back up here from Melbourne about a week ago, and up
> until today I've been wearing mainly Melbourne style clothing! But today
> reached 32C at the airport, which is much more like it. Max temps all 
> up the Qld coast have been quite high today, due to the low pushing
> down into the central Tasman and producing westerly components into
> the surface winds. Looks like there is a fair spell of more typical summer
> weather on the way - ahh its good to be back in Qld!

This was Brisbane's first day over 30 for the spring/summer. This is
easily a record; there is only one earlier instance (1984, 12 December) 
30 not being reached by the end of November at either major Brisbane
site (the airport or the old Regional Office site for pre-1949 data).

Blair Trewin
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 -----------------------jacob at iinet.net.au------------------------------

014
From: "John Woodbridge" [jrw at pixelcom.net]
To: [aussie-weather at world.std.com]
Subject: RE: aus-wx: New Year's Eve Washout for SE NSW?
Date: Thu, 30 Dec 1999 12:11:24 +1000
X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0)
Importance: Normal
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Reply-To: aussie-weather at world.std.com

Well,,Hm.

Might I suggest that our "large, intelligent well developed brains" actually
have a very good idea as to why lightning occurs and we are able to
satisfactorily duplicate this on a small scale in the lab, all you need is a
bit of electrostatic potential.  Even ball  lightning has been replicated.
Now, as to why electrostatic potential occurs in clouds, that is perhaps the
difficult bit, although we do have some theories...

John.

>snip

While the pyrotechnics may be worth millions of dollars, that 'mere
meteorologic electrostatic' is priceless! :)  Our "advanced technology"
is still yet to fully reconstruct lightning, and our "large, intelligent
well developed brains able to solve complex problems" are still at a
loss as to why lightning occurs! :-)

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 -----------------------jacob at iinet.net.au------------------------------

015
Date: Thu, 30 Dec 1999 12:14:17 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Chasers Return
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Macca and all,

Sorry for the delay - just got back from dad's property today (one day
early too!)  I'm just in the process of reading the backlog of aus-wx
and personal emails.

Andrew McDonald wrote:
> 
> I don't thinbk there was too much probl;em with heating - I thin you'll find
> Swan Hill (our area) got to 30C with a DP of about 18C.......(anthony - a
> cape proggy for when you get back - thanks).  It was very warm around Barham
> too - the whole area was clear.

Is Swan Hill in Melbourne?  (Apologies for my lack of Melbourne
geography!)  If it is, with a 30C temp, and a DP of 18C, CAPE is 3131
(darn good for Melbourne!!!)  If Swan Hill is not the Melbourne area,
then send me the lat/long - and I'll get the archive FNL sounding data
off ARL and calculate the true figure.

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

016
Date: Thu, 30 Dec 1999 12:24:45 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Atmospheric Soundings Page..........
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Paul,

Occassionally this occurs - it can be a real pain at times!  But there
is a better website to get soundings from, goto:

http://www.stormchaser.niu.edu/machine/

And for Skew-ts, click on "sounding Machine - (images)"
For text, click on "Sounding Machine (test output)"

Only thing is, there's no hodograph :-(  But on the text data it gives
you a good set of text data, if you're really desperate, you could print
out a few blank hodographs (just choose say Charleville  for a
hodograph at 12z anytime, and you'll get a hodograph - do the same and
you can get blank skew-ts).  And you can plot a hodograph yourself.

Use the same codes as you do on the Atmospheric Soundings page.  But you
can't get the archives to 1997 like you can on the Atmospheric Soundings
page.

So what's better on the Storm Machine page?  Well....it updates at
around 11:30-11:40am EST - approximately one hour earlier than the
Atmospheric Soundings page!

Hope this helps you...

PS - choose a black background on the skew-ts, you can hardly see the
theoretical airparcel plot line on the white background.

Paul Mossman wrote:
> 
> Hey anybody know why the atmospheric soundings page still has no links
> to station data?
> 
> Xmas holidays?
> 
> Paul.
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
>  with "unsubscribe aussie-weather your_email_address" in the body of your
>  message.
>  -----------------------jacob at iinet.net.au------------------------------

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

017
Date: Thu, 30 Dec 1999 12:28:31 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: NSW North Coast storms 29/12
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Michael and all,

I saw this cell too from dad's property 100km WSW of Brisbane...it was
quite nice - and as Ben said, lightning was up to 2-3 strikes/second at
times...but then there was always a short break in between.

Michael Bath wrote:

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

018
Date: Thu, 30 Dec 1999 12:30:28 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: summer arrives in Brissie!!!
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Blair,

Blair Trewin wrote:

> This was Brisbane's first day over 30 for the spring/summer. This is
> easily a record; there is only one earlier instance (1984, 12 December)
> 30 not being reached by the end of November at either major Brisbane
> site (the airport or the old Regional Office site for pre-1949 data).
> 
> Blair Trewin

I know that November had the lowest average maximum on record...I
suspect December would also be in this category?  Can you confirm?

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

019
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: Re: aus-wx: summer arrives in Brissie!!!
To: aussie-weather at world.std.com
Date: Thu, 30 Dec 1999 14:22:49 +1100 (EST)
X-Mailer: ELM [version 2.4 PL23]
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

> 
> Hi Blair,
> 
> Blair Trewin wrote:
> 
> > This was Brisbane's first day over 30 for the spring/summer. This is
> > easily a record; there is only one earlier instance (1984, 12 December)
> > 30 not being reached by the end of November at either major Brisbane
> > site (the airport or the old Regional Office site for pre-1949 data).
> > 
> > Blair Trewin
> 
> I know that November had the lowest average maximum on record...I
> suspect December would also be in this category?  Can you confirm?

Currently sitting on 26.0 with two days to go. The existing record
(from the Regional Office site) is 26.4 in 1942, next lowest is 26.9.
It will certainly come in below 26.9; if the forecast of 28-29 today
and tomorrow is correct it will probably end up at 26.2.

At the other end of the scale, Perth Airport is sitting on 32.2 and
should end up coming in at about 32.5. This is well clear of the site's
existing record of 31.6 (1977), but the old Perth City's 31.7 from
1931 probably equates to something in the 32.5-33.0 range at the 
airport site.

As in November, I expect that above-average maxima for December will
be confined to a fairly narrow strip along the WA coast south of
North-West Cape, and the odd coastal pocket elsewhere. The weekly 
anomalies for the most recent week (22-28 December) show a large 
area more than 6C below average in inland NSW and Queensland. I haven't
seen the actual station anomalies yet but, matching the weekly means
against the climatology, I suspect -10 was locally approached in 
northern NSW.

Blair Trewin
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020
X-Sender: m3150396 at hardy.ocs.mq.edu.au
X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32)
Date: Thu, 30 Dec 1999 15:00:24 +1100
To: aussie-weather at world.std.com
From: Ben Munro [benjamin at biosys.net]
Subject: Re: aus-wx: Chasers Return
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

No, Swan hill is a bit of a distance from melbourne :)
It's about 300km nnw of melbourne, on the murray river. 35 degrees 18'
south and 143 degrees 34' east

Ben Munro

Anthony Cornelius wrote:
>Hi Macca and all,
>
>Sorry for the delay - just got back from dad's property today (one day
>early too!)  I'm just in the process of reading the backlog of aus-wx
>and personal emails.
>
>Andrew McDonald wrote:
>> 
>> I don't thinbk there was too much probl;em with heating - I thin you'll
find
>> Swan Hill (our area) got to 30C with a DP of about 18C.......(anthony - a
>> cape proggy for when you get back - thanks).  It was very warm around
Barham
>> too - the whole area was clear.
>
>Is Swan Hill in Melbourne?  (Apologies for my lack of Melbourne
>geography!)  If it is, with a 30C temp, and a DP of 18C, CAPE is 3131
>(darn good for Melbourne!!!)  If Swan Hill is not the Melbourne area,
>then send me the lat/long - and I'll get the archive FNL sounding data
>off ARL and calculate the true figure.
>
>-- 
>Anthony Cornelius
>Queensland Coordinator of the Australian Severe Weather Association
>(ASWA)
>(07) 3390 4812
>14 Kinsella St
>Belmont, Brisbane
>QLD, 4153
>Please report severe thunderstorms on our Queensland severe thunderstorm
>reporting line on (07) 3390 4218 or by going to our homepage at
>http://www.severeweather.asn.au
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> To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
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> message.
> -----------------------jacob at iinet.net.au------------------------------
>

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021
Date: Thu, 30 Dec 1999 14:45:09 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Chasers Return
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Ben and all,

Thanks to Ben, Dane and Peter who all gave me the correct information on
the location of Swan Hill.

I have calculated the CAPE given the new vertical temperature profile,
and it gives a CAPE of 2200.  It's less, because the profile is warmer
then that of Melbourne's.  

Ben Munro wrote:
> 
> No, Swan hill is a bit of a distance from melbourne :)
> It's about 300km nnw of melbourne, on the murray river. 35 degrees 18'
> south and 143 degrees 34' east
> 
> Ben Munro
> 
> Anthony Cornelius wrote:
> >Hi Macca and all,
> >
> >Sorry for the delay - just got back from dad's property today (one day
> >early too!)  I'm just in the process of reading the backlog of aus-wx
> >and personal emails.
> >
> >Andrew McDonald wrote:
> >>
> >> I don't thinbk there was too much probl;em with heating - I thin you'll
> find
> >> Swan Hill (our area) got to 30C with a DP of about 18C.......(anthony - a
> >> cape proggy for when you get back - thanks).  It was very warm around
> Barham
> >> too - the whole area was clear.
> >
> >Is Swan Hill in Melbourne?  (Apologies for my lack of Melbourne
> >geography!)  If it is, with a 30C temp, and a DP of 18C, CAPE is 3131
> >(darn good for Melbourne!!!)  If Swan Hill is not the Melbourne area,
> >then send me the lat/long - and I'll get the archive FNL sounding data
> >off ARL and calculate the true figure.
> >
> >--
> >Anthony Cornelius
> >Queensland Coordinator of the Australian Severe Weather Association
> >(ASWA)
> >(07) 3390 4812
> >14 Kinsella St
> >Belmont, Brisbane
> >QLD, 4153
> >Please report severe thunderstorms on our Queensland severe thunderstorm
> >reporting line on (07) 3390 4218 or by going to our homepage at
> >http://www.severeweather.asn.au
> > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> > To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
> > with "unsubscribe aussie-weather your_email_address" in the body of your
> > message.
> > -----------------------jacob at iinet.net.au------------------------------
> >
> 
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
>  with "unsubscribe aussie-weather your_email_address" in the body of your
>  message.
>  -----------------------jacob at iinet.net.au------------------------------

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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From: "mjpiper at ozemail.com.au" [mjpiper at ozemail.com.au]
022
To: [aussie-weather at world.std.com]
X-IPAddress: 203.26.177.2
X-SessionId: 5uutoqsa.pll
Date: Thu, 30 Dec 1999 04:54:24 "GMT"
X-mailer: AspMail 2.62 (SMTP85107B)
Subject: aus-wx: Large Storm near the Central Coast
X-MIME-Autoconverted: from quoted-printable to 8bit by europe.std.com id XAA13473
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Everyone,

At the current time (3:50pm EDST) there is a very spectacular looking cell up near Wyong which I can see from work. It is showing a nice backsheared anvil and a lot of backbuilding is taking place. On the radar it is has been pink for at least an hour and is currently showing a small area of red.

Matthew Piper

__________________________________________________________
Message sent by MyMail http://www.mymail.com.au/

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023
From: "mbath at ozemail.com.au" [mbath at ozemail.com.au]
To: [aussie-weather at world.std.com]
X-IPAddress: 203.40.84.1
X-SessionId: ayq6f1at.upl
Date: Thu, 30 Dec 1999 06:06:31 "GMT"
X-mailer: AspMail 2.62 (SMTP85107B)
Subject: aus-wx: Perth chase
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Mark Dwyer is out chasing - currently at Pearce and heading north to New Norcia (both locations are on the Perth local radar).

You can give him updates on 0407 991 213. Currently (2pm perth time) there are some isolated convective showers about and altocu.

cheers, Michael


__________________________________________________________
Message sent by MyMail http://www.mymail.com.au/

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024
Date: Thu, 30 Dec 1999 17:12:47 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Sydney & Surrounding Storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

James Harris is chasing his second very nice cell of the day at the
moment, he chased one for two hours (and enjoyed it!), and is now
chasing another cell W of Williamtown.  He said it was looking quite
nice when I spoke to him ~one hour ago.  However, I cannot contact him
now - but radar has it as an absolute monster!  A little too
'monsterish' for my likes, radar may not be fully accurate here.  It
went offline for about 80mins, and then came back online with this huge
monster - somewhat suspicious, also sat pics don't match up.  None the
less, it's quite possible and if radar really is indicitive, then James
Harris and anyone else there is in for a treat and a half!!!

I'm trying to contact him and Jimmy to tell them, but none of them are
in mobile coverage...and whenever Jimmy has been in coverage, his phone
has been engaged.

Matt Smith has been around the NW suburbs chasing - he's seen some nice
features, and has seen a CG (not sure if that's multiple (yet!)

Just thought I'd let people know what's been happening.
-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

025
Date: Thu, 30 Dec 1999 17:25:16 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Sydney & Surrounding Storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all again - I finally got a hold of JD - he said there's a very large
precip curtain - so it may be possible radar is telling the truth. 
They're 65km's away from it now!  Hopefully they can catch it - still
can't get James Harris - and I can't get Matt Pearce either (who is
chasing this cell also I've been told).

Hopefully some one can get up close to it, and see if radar really is
telling the truth.  If it is, there's no warning out...for some reason,
it's still listed as an advice under the BoM website, but the
information is given as a warning layout.

Anthony Cornelius wrote:
> 
> Hi all,
> 
> James Harris is chasing his second very nice cell of the day at the
> moment, he chased one for two hours (and enjoyed it!), and is now
> chasing another cell W of Williamtown.  He said it was looking quite
> nice when I spoke to him ~one hour ago.  However, I cannot contact him
> now - but radar has it as an absolute monster!  A little too
> 'monsterish' for my likes, radar may not be fully accurate here.  It
> went offline for about 80mins, and then came back online with this huge
> monster - somewhat suspicious, also sat pics don't match up.  None the
> less, it's quite possible and if radar really is indicitive, then James
> Harris and anyone else there is in for a treat and a half!!!
> 
> I'm trying to contact him and Jimmy to tell them, but none of them are
> in mobile coverage...and whenever Jimmy has been in coverage, his phone
> has been engaged.
> 
> Matt Smith has been around the NW suburbs chasing - he's seen some nice
> features, and has seen a CG (not sure if that's multiple (yet!)
> 
> Just thought I'd let people know what's been happening.
> --
> Anthony Cornelius
> Queensland Coordinator of the Australian Severe Weather Association
> (ASWA)
> (07) 3390 4812
> 14 Kinsella St
> Belmont, Brisbane
> QLD, 4153
> Please report severe thunderstorms on our Queensland severe thunderstorm
> reporting line on (07) 3390 4218 or by going to our homepage at
> http://www.severeweather.asn.au
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
>  with "unsubscribe aussie-weather your_email_address" in the body of your
>  message.
>  -----------------------jacob at iinet.net.au------------------------------

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

026
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: Re: aus-wx: Rain in Melbourne
To: aussie-weather at world.std.com
Date: Thu, 30 Dec 1999 18:32:53 +1100 (EST)
X-Mailer: ELM [version 2.4 PL23]
Sender: aussie-weather-approval at world.std.com
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> 
> I notice Melbourne AP has had 77 mm to 8 am - that must be pretty close
> to a record if correct.

> Any collaboration from Victoira observers and when did it all fall?
> 
> Don White

Can confirm the 77mm figure. This is a December record for the site
(29 years of record), but not an all-time record (this is 132.4) as
reported in some quarters.

There were three major rain periods which affected the Melbourne
area over the 26th-27th - one in the late afternoon of the 26th which
affected, mostly, the northern suburbs (and adjacent areas to the
north), one in the early hours of the morning (at its heaviest around
6-7 a.m.) which affected all areas (again heaviest in the north), and
one around 4-6 p.m. on the 27th, a thunderstorm that was at its
most intense just north and east of the city centre (74mm at Preston) -
this was the one that flooded the MCG (where there was probably 20mm
in 20 minutes). Melbourne Airport copped the brunt of both the events
prior to 9 a.m. on the 27th. They also got 33mm from a slow-moving
thunderstorm (which did not affect any other station as far as I
know) on Christmas afternoon.

Other notable totals near Melbourne on the 27th were 97mm at Lancefield,
and 131mm over 2 days at Romsey.

Blair Trewin
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027
Date: Thu, 30 Dec 1999 07:14:35 +0000
To: aussie-weather at world.std.com
From: Norman Lynagh [lynagh at dial.pipex.com]
Subject: Re: aus-wx: European storms
X-Mailer: Turnpike (32) Version 4.00  
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In message <199912300116.MAA21808 at mullara.earthsci.unimelb.edu.au>,
Blair Trewin  writes
>Back at work after the break - will post further about various points
>of Australian interest during the rest of today.
>
>Most of you will have seen a bit on the news about the European
>storms. I've spent part of the morning looking for hard data (having
>strongly suspected that the 'more than 200 km/h' reported in the
>Australian media would have been from one or two mountaintop sites),
>and have found some, although no charts (yet).
>
>The 25-26 December system appears (as far as I can work out from 
>uk.sci.weather postings) to stem from a 938 hPa low east of Scotland,
>whilst the 27-28 December system was a low which moved across France
>(central pressure 960-ish).

The damaging low on 26th Dec was a wave on the cold front associated
with the 938 mb low. The wave moved due east across northern France at
about 49.5 deg N. At 0600 UTC on 26th it was 962 mb centred about 49.5N
00.5E. It was a very small and very intense system. In terms of
geographical extent it was more like a tropical cyclone than a mid-
latitude baroclinic low although I am not suggesting that it had any
tropical characteristics. There are certainly some similarities with the
October 1987 low that caused so much damage in SE England.

The 27-28 Dec low was another rapidly developing cold-front wave which
moved east across northern France at about 48N. It was a little larger
than the earlier one and not quite so intense.

Norman.
===================================================================
Norman Lynagh Weather Consultancy          Tel:  +44 (0)1494 870220
Chalfont St. Giles                   E-Mail:  lynagh at dial.pipex.com
Buckinghamshire
England
===================================================================
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028
Date: Thu, 30 Dec 1999 18:49:04 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Severe T'storm warning for SE QLD!
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Quite a surprise...I did mention I was ready to kill anyone who had
storms before us on IRC  (SDS induced).  Seems like everyone's life
is safe for now!!!

It'll move out to sea soon unfortunately, but might give a lightning
display to the NE:

IDW10Q00
BUREAU OF METEOROLOGY
Queensland Region
Brisbane Office 

 

 
SEVERE THUNDERSTORM WARNING
Issued by the Bureau of Meteorology, Brisbane
at 6:31pm EST on Thursday the 30th of December 1999

For the Southeast Coast District

A severe thunderstorm near Maroochydore is moving southeast and is
expected to
affect areas along the southern Sunshine Coast and adjacent hinterland
over the
next hour.

People are advised to secure outside items, move cars under cover and
seek
shelter.

****NOT FOR BROADCAST AFTER 7.00 PM ****

This warning is also available by telephone on 1196 and on 1900 969 921
at a
cost of around 75 cents per minute.

-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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029
Date: Thu, 30 Dec 1999 19:18:28 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Yet more chase updates!
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

Radar central here at the moment...

James Harris has finally ended his chase - the roads were not
favourable, and he was feeling quite tired, so wisely turned back.  He
has said it was an sbsolutely massive and awesome cell, it gave him hail
up to 2cm, and the hail lasted about 15mins - he was able to take
shelter underneath a garage - so his car was safe!  He reported mammatus
from the backshearing anvil...and I could go on and on with the list of
things he reported (flash flooding...great CG's etc) but I don't want to
spoil his fun in telling everyone in his report + photos later!

Jimmy and Dan Wx-Head were also chasing, and from what I've heard, they
saw some very nice distant features from the main cell, and also looked
at a few other cells.

Michael Bath is currently chasing in NE NSW, with a very nice little
cell that popped up and went into the red, it went into the pink before,
but is back in the red again.

Matt Smith saw a few nice little cells on the NW suburbs of Sydney
(around Richmond - Penrith) - with some RFB's and I think he saw a CG
(which he said he was happy with!)

I think that's all right now...I'm exhausted!
-- 
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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 -----------------------jacob at iinet.net.au------------------------------

030
X-Originating-IP: [203.35.83.4]
From: "Halden Boyd" [haldenboyd at hotmail.com]
To: aussie-weather at world.std.com
Subject: Re: aus-wx: storms ne nsw MIKE U OK????
Date: Thu, 30 Dec 1999 01:33:24 PST
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com


Hey all....have been watching and liasing with Michael Bath who is out on a 
chase I believe now...his mobile it turned off and it is happening on the 
radar!!!!! sheesh if only I could communicate :((((((

AS IT HAPPENED IN POINT FORM......
......................
wind here now ene 15 knots
cell showing on radar is short and sharp upwards....however the cell to the 
NE which just rained on us is building and pumping heaps of stratus into the 
back cell. The Upper levels of the mammatus over here from the back end is 
rotating anti clockwise...the stratus is cruising around clockwise at about 
4500 feet....I hear tunder to the NW NOW
............
cell has sped to the NE suddenly....wind turned sharply to the 
NORTHWEST.....stratus feeding from the SOUTHEAST.
Upper stuff still coming from the SW.
Looks like there could be a touch of red in the cell as it heads NE to sea 
like last night
..........................
thanks for that excellent description!

all I see is stratus  ....:(
.............................
radar show rebuild northeast of here now....
i am looking out the window too much....
.................................
no wurries buddy....if you are going out I have the phone here next to 
puter....get  up to Meerchaum Vale Hill
............................
alstonville wardell road....close to you...
thunder heard again toward NW and now in the cell to the west
..............................
good luck....another cell forms on radar about 40 k west of here....could 
end up near Lismore in one hour too
..........................................
travel down wardell road till you get to top of escarpment into Meerchaum 
Vale... will call you if she stays pink or turns red
................................
the radar tells me now what I have been telling you
...........................
Halden says......Mike are u ok??????




______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com

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031
From: "Pearce" [r_pearce at Dingoblue.net.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Sydney & Surrounding Storms
Date: Thu, 30 Dec 1999 20:36:43 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
Sender: aussie-weather-approval at world.std.com
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Hi all

Well, got back from my first succesful chase! Although, I'm disappointed I
didn't stay out there. When a storm formed SW of Wyong this afternoon I
decided to head off up to the central coast and see what happened as it
looked encouraging for the rest of the afternoon.

I got to Wyong by about 4pm and the storm had moved NE to near Morisset, so
I headed further north - the road was wet and car's lights were on coming
the other way so it had obviously passed through the area. However, by the
time I got off the freeway and began heading for the coast it had headed
offshore.

Next cell was to the NW and already had an impressive anvil and plenty of
mammatus. I headed out that way and stopped at Cooranbong(5km NW of
Morisset) by the side of the road. There was CC lightning and a few rumbles
of thunder but it didn't look that spectacular. It was moving NE and I
though it would dissipate so I headed back down the freeway home.

Only now do I find out it is still red on radar 2.5 hours later and produced
2.5cm hail! I am seriously annoyed I did not stay out there now, but I
didn't really know what was happening - Anthony Cornelius phoned me but I
was driving at the time and by the time I pulled over he had stopped
phoning.

Oh well, at least I finally got a storm!

Matthew Pearce
-----Original Message-----
From: Anthony Cornelius [cyclone at flatrate.net.au]
To: aussie-weather at world.std.com [aussie-weather at world.std.com]
Date: Thursday, 30 December 1999 6:41
Subject: Re: aus-wx: Sydney & Surrounding Storms


>Hi all again - I finally got a hold of JD - he said there's a very large
>precip curtain - so it may be possible radar is telling the truth.
>They're 65km's away from it now!  Hopefully they can catch it - still
>can't get James Harris - and I can't get Matt Pearce either (who is
>chasing this cell also I've been told).
>
>Hopefully some one can get up close to it, and see if radar really is
>telling the truth.  If it is, there's no warning out...for some reason,
>it's still listed as an advice under the BoM website, but the
>information is given as a warning layout.
>
>Anthony Cornelius wrote:
>>
>> Hi all,
>>
>> James Harris is chasing his second very nice cell of the day at the
>> moment, he chased one for two hours (and enjoyed it!), and is now
>> chasing another cell W of Williamtown.  He said it was looking quite
>> nice when I spoke to him ~one hour ago.  However, I cannot contact him
>> now - but radar has it as an absolute monster!  A little too
>> 'monsterish' for my likes, radar may not be fully accurate here.  It
>> went offline for about 80mins, and then came back online with this huge
>> monster - somewhat suspicious, also sat pics don't match up.  None the
>> less, it's quite possible and if radar really is indicitive, then James
>> Harris and anyone else there is in for a treat and a half!!!
>>
>> I'm trying to contact him and Jimmy to tell them, but none of them are
>> in mobile coverage...and whenever Jimmy has been in coverage, his phone
>> has been engaged.
>>
>> Matt Smith has been around the NW suburbs chasing - he's seen some nice
>> features, and has seen a CG (not sure if that's multiple (yet!)
>>
>> Just thought I'd let people know what's been happening.
>> --
>> Anthony Cornelius
>> Queensland Coordinator of the Australian Severe Weather Association
>> (ASWA)
>> (07) 3390 4812
>> 14 Kinsella St
>> Belmont, Brisbane
>> QLD, 4153
>> Please report severe thunderstorms on our Queensland severe thunderstorm
>> reporting line on (07) 3390 4218 or by going to our homepage at
>> http://www.severeweather.asn.au
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>>  with "unsubscribe aussie-weather your_email_address" in the body of your
>>  message.
>>  -----------------------jacob at iinet.net.au------------------------------
>
>--
>Anthony Cornelius
>Queensland Coordinator of the Australian Severe Weather Association
>(ASWA)
>(07) 3390 4812
>14 Kinsella St
>Belmont, Brisbane
>QLD, 4153
>Please report severe thunderstorms on our Queensland severe thunderstorm
>reporting line on (07) 3390 4218 or by going to our homepage at
>http://www.severeweather.asn.au
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> message.
> -----------------------jacob at iinet.net.au------------------------------
>

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032
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Yet more chase updates!
Date: Thu, 30 Dec 1999 20:43:44 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

...and in the southern Illawarra there is some exciting strato-cumulus
developing, with the prospect of drizzle later.

Michael

>
> Radar central here at the moment...
>
> James Harris has finally ended his chase - the roads were not
> favourable, and he was feeling quite tired, so wisely turned back.  He
> has said it was an sbsolutely massive and awesome cell, it gave him hail
> up to 2cm, and the hail lasted about 15mins - he was able to take
> shelter underneath a garage - so his car was safe!  He reported mammatus
> from the backshearing anvil...and I could go on and on with the list of
> things he reported (flash flooding...great CG's etc) but I don't want to
> spoil his fun in telling everyone in his report + photos later!
>
> Jimmy and Dan Wx-Head were also chasing, and from what I've heard, they
> saw some very nice distant features from the main cell, and also looked
> at a few other cells.
>
> Michael Bath is currently chasing in NE NSW, with a very nice little
> cell that popped up and went into the red, it went into the pink before,
> but is back in the red again.
>
> Matt Smith saw a few nice little cells on the NW suburbs of Sydney
> (around Richmond - Penrith) - with some RFB's and I think he saw a CG
> (which he said he was happy with!)
>
> I think that's all right now...I'm exhausted!
> --
> Anthony Cornelius
> Queensland Coordinator of the Australian Severe Weather Association
> (ASWA)
> (07) 3390 4812
> 14 Kinsella St
> Belmont, Brisbane
> QLD, 4153
> Please report severe thunderstorms on our Queensland severe thunderstorm
> reporting line on (07) 3390 4218 or by going to our homepage at
> http://www.severeweather.asn.au
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
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>  message.
>  -----------------------jacob at iinet.net.au------------------------------
>


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033
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: WA storms go off
Date: Thu, 30 Dec 1999 20:32:35 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Can't wait for the report and pics, now I wish for something similar here !,
but highly unlikely as this summer struggles to get 22-23C most days.

Michael



> Im so tired right now after working and then chasing two days into the
late
> night that ill keep this short. 8 cars chased today in WA and in short it
> went off! John and i chased together, storms everywhere, tops est to be
> about 17k's. We got some great features, went into the RFD of one cell to
> get that good hail footage we always wanted. Fast heavy hail, trees down
> etc etc It went off, just towers everywhere, its up there with some of the
> best days ive ever had, saw hundreds and hundreds of cgs. About 10 or so
> cells on the radar with pink in them, lots of debris on the road. Ill
write
> more later but i gotta crash as tomoorow is more of the same, thats 4 days
> in a row :)
> Jacob saved a loop and its up at
http://www.upnaway.com/~jra/291299LOOP2.gif
>
> Ira Fehlberg
>
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>  -----------------------jacob at iinet.net.au------------------------------
>


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034
Date: Thu, 30 Dec 1999 10:03:05 +0000
From: Les Crossan [les.crossan at virgin.net]
Organization: Cosmic EuroCon - note all times in GMT
X-Mailer: Mozilla 4.5 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: European storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com



Blair Trewin wrote:

> Back at work after the break - will post further about various points
> of Australian interest during the rest of today.
>
> Most of you will have seen a bit on the news about the European
> storms. I've spent part of the morning looking for hard data (having
> strongly suspected that the 'more than 200 km/h'

Certainly some METARS were reporting 150+ knots = approx. 240kph, parts of
France have been declared a disaster zone.

The way these nasty little lows wound up on a cold front wave is very
reminiscent of the low that flattened parts of South East England around ten
years back. No need to repeat what Norman has posted....

The jetstream is pushing these lows into France and the Med rather than their
usual more northerly track....

Les(UK)

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035
X-Sender: disarm at braenet.com.au (Unverified)
X-Mailer: Windows Eudora Pro Version 3.0 (32)
Date: Thu, 30 Dec 1999 21:23:01 +1100
To: aussie-weather at world.std.com
From: Matt Smith [disarm at braenet.com.au]
Subject: aus-wx: todays chase
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Finished work at 3pm, saw some chunky looking updraughts out west, turned
around to see a mofo storm to the north over the hunter, went home,
changed, looked at radar, rang people to find they were already chasing,
Jimmy said go north, but i thought about it and decided i would probably
miss it due to increasing traffic (nearing peak time in the city), headed
out to Rooty Hill, then up to Windsor, went up the putty road a few km's
with a nice little storm there, thunder heard, saw a CG, then Max rang me
telling me to get back to Penrith as there was a nice cell building on the
ranges in the red, headed back to pretty much find a dissipating storm,(saw
4CG's at once from it though, thunder heard about 7 seconds later,
highlight of the day:) but more storms forming north and a storm near
katoomba which had a warning for a short period, i decided to call it quits
and went back home, Good way to end the day , and good to see all the
chasers in sydney out on different storms !!!

Thanks to Anthony/Max for calling me!

Matt Smith
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036
X-Sender: mbath at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Thu, 30 Dec 1999 21:41:26 +1100
To: aussie-weather at world.std.com
From: Michael Bath [mbath at ozemail.com.au]
Subject: aus-wx: NSW north coast chase
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Thanks for the message Halden - very exciting dialog ! - please check the
mobile number - it is 0412 145 710, thanks to Matt Smith who gave me a few
updates.

Well that was a rush chase job - out of here at 7.45pm and back just after
9pm. As Halden described a small but severe cell got its act together
inland from Evans Head and tracked over Ballina.

I sped over to Wardell road and where the Alstonville Valley drops into the
valley to the S (about 10mins away). I set up and watched this storm brew
about 10ks away. At first there was just an ordinary base with stratus
feeding in from the NE, but very soon lowerings developed and the lightning
became frequent - mostly incloud but a few CGs as well. I took pics and
videoed the developing base structure. The storm quickly moved towards my
and wrapped around to the SW as well. Prongs and all sorts of arcus
formations were just amazing, and should be visible on video in the fading
light, but definitely should on the photos. I captured one awesome staccato
CG that speared into the valley in front of me, barely three ks away.

The precip hit very quickly about 8.30pm. Violent gusts and swirling large
rain drops and bits of trigs and leaves. I crawled the car towards the N
and eventually got out of the deluge. No hail. I then headed N into
Alstonville the E towards Ballina to get into the action again!. Just on
the outskirts of Alstonville it hit with more violent gusts and heavy rain
pushing the car all over the place. This eased then picked up again even
more at the intersection of Bruxner Highway and Pacific Highway, 5ks W of
Ballina. There were several loud bangs on the car and I though on no - i
shouldn't be here - but it was just debris off the trees with the gusts and
rain. And plenty of it too. My wife was returning from Ballina and passed
me here, and was not pleased with the terrible driving conditions, but I
loved it. (thanks again to Halden for warning my parents at Ballina of the
storm). After a few minutes I decided to return home as stuff was flying
everywhere!. Debris covered the road up to Alstonville then it was dry with
not a drop at my home. Lightning tapered off very quickly after the storm
passed Ballina.

I estimate the wind gusts were up to 50 knots, but mostly 35 to 40. Rain
rates would confirm what the radar showed - about 100mm/hour.

cheers, Michael




 ==================================================================
 Michael Bath         mailto:mbath at ozemail.com.au
 Wollongbar NSW 2477  http://australiansevereweather.simplenet.com/
 Australia            http://www.lightningphotography.com/
 Secretary ASWA Inc.  http://www.severeweather.asn.au/
 ==================================================================
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 -----------------------jacob at iinet.net.au------------------------------

037
Date: Thu, 30 Dec 1999 21:27:56 +1100
From: Ben [bodie at flatrate.net.au]
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To: aussie-weather at world.std.com
Subject: aus-wx: SE QLD Storms
Sender: aussie-weather-approval at world.std.com
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Hi everyone,

I have put up a couple of pictures that i took today with my new digital
camera..

 http://www.bsch.simplenet.com/pictures/assor/30-12-99/december30.htm

Unfortunately the camera is a point and shoot (SLR digital cameras are still
way too expensive) so they are very ordinary.. the storm was no supercell, but
it did look quite nice as the sun was setting (it was red on radar for over 1
hour).. if this camera is anything like my old point and shoot, then distant
storm shots with heaps of sky are ordinary, but base features seem to come out
fine..

Things are actually looking quite good for us over the weekend - i have my eye
on Sunday..


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038
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Date: Thu, 30 Dec 1999 20:01:37 +0800
To: aussie-weather at world.std.com
From: Tom Johnstone [Iain.Johnstone at pse.unige.ch]
Subject: aus-wx: QLD and WA storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Anyone seen the ABC news article from below or know anything more about it?
Here's the link:
http://www.abc.net.au/news/newslink/nat/newsnat-30dec1999-63.htm

Anyway, while some of you were busy chasing last night east of Perth, I was
having a BBQ in Mosman Park looking east over the suburbs to the hills.
Some of the lightning out there was absolutely amazing. It would be very
quiet for a few minutes and then erupt from the south, continuing to the
north in one long procession in what seemed like slow motion for what must
have been at least 50 kms before going back in the other direction again.
I'd love to know how long some of the cloud to cloud (CCs?) were. I
remember saying to my brother "those people in Mundaring and the hills must
be getting absolutely caned with hail." To which my brother said, "Hail!?
In this temperature!?" Meanwhile there were a lot of boats out twilight
sailing who obviously didn't think of the lightning conductors their sails
were attached to, let alone the winds that could come in at any moment. I
thought I might see some river carnage, but the storms moved off to the
east. Great night though - nest time I have a BBQ I'll take my camera (doh!)

Tom

>From the ABC net site:

Mini-tornado reportedly rips through Qld's Sunshine Coast

Police on Queensland's Sunshine Coast are receiving reports that a
mini-tornado has ripped through the area.

It is believed the storm was centred on the Dulong-Palmwoods area, in the
hinterland, with reports of power lines down and trees uprooted.

Police say two homes have been damaged, and roads are littered with debris,
although no injuries have been reported.

An Energex spokeswoman has confirmed 20,000 homes are without power, and
says crews are now working on the problem.

A Weather Bureau spokesman says more storms forming in the hinterland have
now weakened and should not cause any problems.

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 -----------------------jacob at iinet.net.au------------------------------

039
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Date: Thu, 30 Dec 1999 23:09:42 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Storm chase brief report
Sender: aussie-weather-approval at world.std.com
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It seems storms did occur but east of where our target was. The air was 
drier than expected. Once we noticed this, we headed E. Then we could see 
the major cells and boy did I drive to get to them... We got some good 
outside structure of these storms and the probable supercell. Well after 
784km of driving I am stuffed... It was agreat day with chasers nailing 
storms from various angles. I would like to thank all those giving updates 
as usual. I would also like to congratulate Matthew Pearce on his first 
successful chase. We all learn from every chase we do.

Jimmy Deguara

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 -----------------------jacob at iinet.net.au------------------------------

040
From: "Steve" [sselka at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: QLD and WA storms
Date: Thu, 30 Dec 1999 23:16:05 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Some advice:
when you send ABC material make sure you send the copyright notice with the
article.

Steve from Ellangowan


----- Original Message -----
From: Tom Johnstone [Iain.Johnstone at pse.unige.ch]
To: [aussie-weather at world.std.com]
Sent: Thursday, 30 December 1999 11:01:pm
Subject: aus-wx: QLD and WA storms


> Anyone seen the ABC news article from below or know anything more about
it?
> Here's the link:
> http://www.abc.net.au/news/newslink/nat/newsnat-30dec1999-63.htm
>
> Anyway, while some of you were busy chasing last night east of Perth, I
was
> having a BBQ in Mosman Park looking east over the suburbs to the hills.
> Some of the lightning out there was absolutely amazing. It would be very
> quiet for a few minutes and then erupt from the south, continuing to the
> north in one long procession in what seemed like slow motion for what must
> have been at least 50 kms before going back in the other direction again.
> I'd love to know how long some of the cloud to cloud (CCs?) were. I
> remember saying to my brother "those people in Mundaring and the hills
must
> be getting absolutely caned with hail." To which my brother said, "Hail!?
> In this temperature!?" Meanwhile there were a lot of boats out twilight
> sailing who obviously didn't think of the lightning conductors their sails
> were attached to, let alone the winds that could come in at any moment. I
> thought I might see some river carnage, but the storms moved off to the
> east. Great night though - nest time I have a BBQ I'll take my camera
(doh!)
>
> Tom
>
> >From the ABC net site:
>
> Mini-tornado reportedly rips through Qld's Sunshine Coast
>
> Police on Queensland's Sunshine Coast are receiving reports that a
> mini-tornado has ripped through the area.
>
> It is believed the storm was centred on the Dulong-Palmwoods area, in the
> hinterland, with reports of power lines down and trees uprooted.
>
> Police say two homes have been damaged, and roads are littered with
debris,
> although no injuries have been reported.
>
> An Energex spokeswoman has confirmed 20,000 homes are without power, and
> says crews are now working on the problem.
>
> A Weather Bureau spokesman says more storms forming in the hinterland have
> now weakened and should not cause any problems.
>
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>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
>  with "unsubscribe aussie-weather your_email_address" in the body of your
>  message.
>  -----------------------jacob at iinet.net.au------------------------------
>

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 -----------------------jacob at iinet.net.au------------------------------


Document: 991230.htm
Updated: 05 January 2000

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