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Storm News
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Australian Weather Mailing List Archives: Sunday, 19 December 1999 |
From Subject
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001 "John Woodbridge" [jrw at pixelcom.net] Nice Rainfall Totals in SE QLD
002 "John Woodbridge" [jrw at pixelcom.net] Great Britain Minima
003 Paul Mossman [paulmoss at tpgi.com.au] was Explain please...now info for Les etc....
004 "Leslie R. Lemon" [lrlemon at compuserve.com] was Explain please...now info for Les etc....
005 Paul Mossman [paulmoss at tpgi.com.au] was Explain please...now info for Les etc....
006 Anthony Cornelius [cyclone at flatrate.net.au] was Explain please...now info for Les etc....
007 Les Crossan [les.crossan at virgin.net] was Explain please...now info for Les etc....
008 Don White [donwhite at ozemail.com.au] Heavy rain in various parts of the country...
009 Don White [donwhite at ozemail.com.au] Change in Sydney
010 Don White [donwhite at ozemail.com.au] Heavy rain in Coffs Harobur area
011 Jimmy Deguara [jdeguara at ihug.com.au] Change in Sydney Large cu observed
012 Matt Smith [disarm at braenet.com.au] Change in Sydney
013 Anthony Cornelius [cyclone at flatrate.net.au] was Explain please...now info for Les etc....
014 "Leslie R. Lemon" [lrlemon at compuserve.com] was Explain please...now info for Les etc....
015 Les Crossan [les.crossan at virgin.net] was Explain please...now info for Les etc....
016 Ben Quinn [bodie at flatrate.net.au] Nice Rainfall Totals in SE QLD
017 "Leslie R. Lemon" [lrlemon at compuserve.com] was Explain please...now info for Les etc....
018 "Leslie R. Lemon" [lrlemon at compuserve.com] was Explain please...now info for Les etc....
019 Anthony Cornelius [cyclone at flatrate.net.au] was Explain please...now info for Les etc....
020 Les Crossan [les.crossan at virgin.net] was Explain please...now info for Les etc....
021 "Michael Thompson" [michaelt at ozemail.com.au] Change in Sydney Large cu observed
022 Anthony Cornelius [cyclone at flatrate.net.au] Flooding in SE QLD
023 Ben Quinn [bodie at flatrate.net.au] Digital Camera ( was: was Explain please...now info for Les
024 Lindsay [writer at lisp.com.au] Explain please... :)
025 Lindsay [writer at lisp.com.au] TC John has made land...........
026 Lindsay [writer at lisp.com.au] Great Britian Minima
027 Jacob [jacob at iinet.net.au] Storms and hail in Perth
028 "weatherhead" [weatherhead at ozemail.com.au] Stuff South of Sydney
029 steve baynham [bayns at broad.net.au] satloop
030 "Leslie R. Lemon" [lrlemon at compuserve.com] TC John has made land...........
031 "Patrick Tobin" [patricktobin at ozemail.com.au] SE change reaches Can-brr-a
032 steve baynham [bayns at broad.net.au] forecast loop
033 Paul Mossman [paulmoss at tpgi.com.au] Possible monsoonal storm tonight
034 Paul Mossman [paulmoss at tpgi.com.au] Has Michael T broken the TStorm drought for Illawarra?
035 Anthony Cornelius [cyclone at flatrate.net.au] Possible monsoonal storm tonight
036 Paul Mossman [paulmoss at tpgi.com.au] Possible monsoonal storm tonight
037 "Michael Thompson" [michaelt at ozemail.com.au] Has Michael T broken the TStorm drought for Illawarra?
038 "Michael Thompson" [michaelt at ozemail.com.au] SE change reaches Can-brr-a
039 "David Croan" [wxbustchase at hotmail.com] Change in Sydney
--------------------------------------------------------------------------------------
001
From: "John Woodbridge" [jrw at pixelcom.net]
To: [aussie-weather at world.std.com]
Subject: RE: aus-wx: Nice Rainfall Totals in SE QLD
Date: Sun, 19 Dec 1999 00:26:37 +1000
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Hi All,
Yes good rain. 46mm at Mt. Crosby for the 24 hrs to 6:00pm today. The
frogs are having a ball. 5 Common Green Tree frogs, 2 Ornate burrowing
frogs & 1 Striped Marshfrog found on a quick peer around outside at 10:00pm.
John.
>snip
Hi all,
Seems like a good scattering of rainfall in the past 24hours - nothing
too major though, although my dad has recorded 115mm at his property
(Hiddenvale, near Grandchester - 100km or so WSW of Brisbane) in the
past 24hrs! 62mm o'night, and 53mm from 9am-2pm - when he rang me just
after 2pm asking where the rain had gone because it had suddenly
stopped! All the dams are now full though, and they're "overflowing
like a waterfall." :)
I wasn't so lucky - 29.6mm o'night, 13.5mm during the day - 43.1mm all
up. If course, it's also been rather cold - had the heater on for most
of the day, it was 19.8C at midday!!! Which is around 8C below normal,
currently sitting on 21.3C - which is my max for today! Where's
summer!!!?
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002
From: "John Woodbridge" [jrw at pixelcom.net]
To: [aussie-weather at world.std.com]
Subject: RE: aus-wx: Great Britain Minima
Date: Sun, 19 Dec 1999 00:28:40 +1000
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Wahoo,
Thanks Les.
>snip
*snip*
Here's a taster, from the Monthly Weather report summary for 1963:
"The bitterly cold weather with easterly winds and widespread snow
which set in about Christmas 1962 continued almost without a break
throughout January and February. Snow fell in one place or another
every day except the last few days of February, and ground remained
snow-covered over a large part of the country until the beginning of
March. Blizzards during the first three days of January, described as
the worst since 1881, piled snow into drifts, 20 feet deep in parts of
the West Country and 8 feet deep in Kent., blocking access by road or
rail to many towns and villages. Helicopters were used to drop
supplies and fodder ..."
Level depths of snow in inches at 10 day intervals in Hampstead
(London):
Jan 1, 12; Jan 11, 9; Jan 21, 14; Jan 31, 9; Feb 10, 3; Feb 20, 4;
March 1; 0. (Kielder Castle had 16 inches depth on March 1).
Lowest Max at Hampstead in Jan/Feb was -4, lowest min -12.
Lots of other places (but not everywhere) had it worse than London!
I was at school in Stockport - not so much snow as London but boy was
it cold - and the two to three solid days of freezing pea souper fog
at -5 to -10, with tons of rime on the trees, was as memorable to me
as the snow!
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003
Date: Sun, 19 Dec 1999 00:34:09 +0930
From: Paul Mossman [paulmoss at tpgi.com.au]
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Ok Cool - thanx Jimmy. Appreciate your help.
Paul.
Jimmy Deguara wrote:
>
> Sorry Paul, that is what I was also trying to do, add more evidence to your
> argument. I simply thought Leslie had made an assumption when he had talked
> about the tropics and comparing it with Darwin. So my comment was more in
> favour of your CAPE values. I believe that the area I mentioned would be
> great to chase because of the high CAPE values and the low LI given the
> right conditions. Of course, you would need the roads.
>
> Jimmy Deguara
>
> At 18:37 18/12/99 +0930, you wrote:
> >Hi Jimmy . I wanst talking about storms - Les was unaware that our
> >Tropical areas can get CAPEs above several '00's - just letting him know
> >what sort of values thats all.
> >
> >Jimmy Deguara wrote:
> > >
> > > Paul, I believe that the LI values and associated CAPE values for the
> > > region around Darwin to be quite high. I think the best storms are usually
> > > a few hundred kilometres generally S of Darwin where you can get
> > > interaction with drier air. Like Anthony says, wind shear is a problem.
> > > Storms pop up and collapse most of the time. Nevertheless, they are quite
> > > spectacular and huge.
> > >
> > > Jimmy Deguara
> > >
> > > At 18:12 18/12/99 +0930, you wrote:
> > > >Howdy all.
> > > >
> > > >Just a note for Les(USA) re: Cape figures etc.
> > > >
> > > >Darwins for today was 1929 with a Lftx of -4.8 that was at 0Z.
> > > >
> > > >I will try and keep an eye on every sounding to see what sort of figures
> > > >relate to weather events up here - I know that there is a trough
> > > >approaching us due Monday - will be interesting to see how that will
> > > >effect figures etc.
> > > >
> > > >Paul at Darwin.
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> > >
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004
Date: Sat, 18 Dec 1999 10:06:09 -0500
From: "Leslie R. Lemon" [lrlemon at compuserve.com]
Subject: Re: aus-wx: was Explain please...now info for Les etc....
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What is your latitude and why are the CAPES able to reach such high values
there? Sounds like mid-level temps are not the typical ones we think of
in tropical environs.
Les
************************
Leslie R. Lemon
Radar, Severe Storms, & Research Meteorologist
Phone: 816-373-3533
E-Mail: lrlemon at compuserve.com
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005
Date: Sun, 19 Dec 1999 01:45:21 +0930
From: Paul Mossman [paulmoss at tpgi.com.au]
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Hi Les. Darwin is about 11 - 12 Deg South.
I think that what helps Darwin is the availability of drier air from the
South (a massive desert in middle of Australia) when the wet season
comes - the monsoonal trough helps drag this drier air much further
north? Anyone else care to comment?
Paul at Darwin
Leslie R. Lemon wrote:
>
> What is your latitude and why are the CAPES able to reach such high values
> there? Sounds like mid-level temps are not the typical ones we think of
> in tropical environs.
>
> Les
>
> ************************
> Leslie R. Lemon
> Radar, Severe Storms, & Research Meteorologist
> Phone: 816-373-3533
> E-Mail: lrlemon at compuserve.com
>
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006
Date: Sun, 19 Dec 1999 08:17:37 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Hi Leslie,
"Leslie R. Lemon" wrote:
>
> What is your latitude and why are the CAPES able to reach such high values
> there? Sounds like mid-level temps are not the typical ones we think of
> in tropical environs.
Mid level temps (say 500mb) are typically around -3 to -6C in Darwin
from my limited experience. Previously, I've gone through soundings
around the world, to see what happens around the place, the 500mb temps
are the same.
But if I may correct myself, or put a new opinion forth from my last
email - while many of these soundings have had CAPE's between 1500-2500,
when you look at the DP/Temps - often the temp is already in the high
20's (this is far Darwin, in a 00Z sounding). Given that the
temperature will generally only rise to the low 30's, you would not
expect CAPE to rise higher then say 3000 in most circumstances.
However, occassionally, the Darwin area (and I assume, much of the
tropical coast), will acheive what I refer to as "extreme DP's" which my
little figure is 27C or more. I think they've had DP's near 30C at
times, which would indeed send CAPE up to those figures we all love to
dream about.
The other thing with the tropics, or at least Darwin - it seems to have
a very uniform lapse rate compared to the air parcel plot. Often the EL
doesn't occur until 150-200mb! So while the CAPE's can be high, it's
"streched" over a large area, therefore a 3000 CAPE won't be quite so
'errupting' in the tropics, as it would be in the mid levels. There are
a plethora of reasons going against the use of high CAPE in the tropics
as you probably already know - such as water loading, not able to
evaporate etc.
Monsoonal times would probably be different again though.
But I think really, in nearly any situation where your DP's are sitting
above 23-24C, you're going to have a fairly hefty CAPE above you.
--
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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007
Date: Sun, 19 Dec 1999 00:02:36 +0000
From: Les Crossan [les.crossan at virgin.net]
Organization: Cosmic EuroCon - note all times in GMT
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Anthony Cornelius wrote:
> Often the EL
what the 'el is EL????
Les(UK)
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008
Date: Sun, 19 Dec 1999 10:37:50 +1000
From: Don White [donwhite at ozemail.com.au]
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Subject: Re: aus-wx: Heavy rain in various parts of the country...
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Blair...
A farmer I know 25 kms north of Wilcannia had "342 pts between 5 pm and
11 pm and no one clap of thunder!"".... so the 103 mm at Wilcannia is
probably legit
Don W
Blair Trewin wrote:
>
> A few interesting reports from various bits of the country:
>
> - numerous falls over 50mm in the NE Vic/SE NSW highlands (e.g.
> 91 at Crackenback, 87 at Mitta Mitta, and a few other sites in the
> 60s). Also widespread 10-40mm in Gippsland (and presumably in the
> Melbourne catchments, although those need follow-up rains and there's
> no sign that they'll get them).
>
> - 103mm at Wilcannia. I'm not 100% certain that this is legit (White
> Cliffs, the nearest other site, got 8), but it's entirely possible
> if there were storms about. This would be their third-highest daily
> fall in a 116-year record if confirmed.
>
> - 46mm at Alice Springs, which must go close to doubling their total
> for the year. Also 41mm at Giles (making a two-day total of 81).
> Also 18mm at Birdsville. Moomba (NE SA) had 48mm to 4 p.m. yesterday,
> but didn't report this morning. (This area of rain covers a region
> which has been very dry this year, with pockets having had only about
> 30-40mm for the year to date).
>
> No reports yet from WA or NT (apart from Alice) because of the time
> difference. Ilsa might produce something interesting if any of its
> rainbands managed to end up on top of a gauge (the system itself
> looks like it will hit absolutely nothing, other than providing some
> extra water to anyone who feels like emulating the wanderings of
> Mr. Bogucki).
>
> Queensland looks like it might get some substantial rain over the
> next two days (which is normally the only way that Victoria avoids
> losing at the Gabba, so I can't be too upset :-). Also pretty cool
> over the SE (Melbourne is not forecast to get into 548-plus thicknesses
> until Monday night).
>
> Blair Trewin
>
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009
Date: Sun, 19 Dec 1999 10:47:26 +1000
From: Don White [donwhite at ozemail.com.au]
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Subject: aus-wx: Change in Sydney
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A few brief but intense showers in Sydney as SSE change moved thru this
morning (sunday). Beacon Hill 10 mm is 3 minutes but 100 metres away -
nil. Heaviest rain I have seen for a long time but extremely narrow band
moving NNE about 2-3 kms inland from coast 10-30 to 11 am 19th Dec
don W
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010
Date: Sun, 19 Dec 1999 10:52:45 +1000
From: Don White [donwhite at ozemail.com.au]
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Subject: aus-wx: Heavy rain in Coffs Harobur area
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Very heavy storms to the SW of Coffs Harobur airport on Friday evening.
Read Hill AWs, Perry Drive AWS and Shepherds Lane AWS - all in a areas
between 5-10 kms SE of Coffs had between 70 and 80 mm in the hour around
5 pm. Perry Drive had 80 mm in 45 minutes from 5.15 and ended up with
155 mm in the 24 hourds to 9 am yesterday... compare this with Coffs
Harbour on 32 mm !
These gauges are in the cathcment area for the creeks which flow through
Coffs town itself and received 400-500 mm in 12 hours a year or so ago
when Coffs itself had just 90 mm. (I think)
don White
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011
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Date: Sun, 19 Dec 1999 11:44:32 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: Re: aus-wx: Change in Sydney Large cu observed
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I have been observing the large cumulonimbus from Schofields to the NE.
Some more developing so I believe that the Central Coast to Newcastle area
will get something this afternoon as the AVN has predicted. If anything
goes up there is a strong jet stream aloft to help it. There is also no
shortage of moisture.
Jimmy Deguara
At 10:47 19/12/99 +1000, you wrote:
>A few brief but intense showers in Sydney as SSE change moved thru this
>morning (sunday). Beacon Hill 10 mm is 3 minutes but 100 metres away -
>nil. Heaviest rain I have seen for a long time but extremely narrow band
>moving NNE about 2-3 kms inland from coast 10-30 to 11 am 19th Dec
>
>don W
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012
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Date: Mon, 20 Dec 1999 12:04:13 +1100
To: aussie-weather at world.std.com
From: Matt Smith [disarm at braenet.com.au]
Subject: Re: aus-wx: Change in Sydney
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I was watching this on radar, looked like it was staying right on the coast
which was unfortunate, i would have liked some of it out my way :)
BTW what does the farmer farm out at wilcannia ? we passed through there on
the chase holiday... didnt looke like farming country at all.. it did have
the most expensive petrol we had ever come across though ! (96.9 i think)
Matt Smith
>A few brief but intense showers in Sydney as SSE change moved thru this
>morning (sunday). Beacon Hill 10 mm is 3 minutes but 100 metres away -
>nil. Heaviest rain I have seen for a long time but extremely narrow band
>moving NNE about 2-3 kms inland from coast 10-30 to 11 am 19th Dec
>
>don W
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>
>
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013
Date: Sun, 19 Dec 1999 11:02:54 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Hi Les,
Les Crossan wrote:
>
> Anthony Cornelius wrote:
>
> > Often the EL
>
> what the 'el is EL????
:) EL = Equilibrium Level
It's the last point where the air parcel plot line intersects the ELR
(environmental lapse rate) line on a skew-t. Therefore, normally most
anvils won't be much higher then the EL, but in strong thunderstorms
where updrafts are strong, then the anvil can be a fair bit higher then
the EL. An overshooting top is when an updraft significantly overshoots
this level in the atmosphere.
It can be a somewhat difficult concept to grasp, but think of a parcel
of air rising, like a ball down the hill. The steeper the slope, (ie,
the larger the difference between the air parcel and ELR), the faster
the ball will roll (the faster an updraft will rise). Eventually,
there'll come a time when the slope will come to a zero gradient (the
parcel of air will reach the EL), and eventually come to an incline and
the ball will slow down (the air is no longer bouyant, and wants to
sink). This process takes time though, it still has momentum from its
drop (momentum from its rapid ascent), and it'll climb up the incline
for a small distance (overshoot the EL). The amount the ball will rise
will depend on (the amount the air will rise will depend on:)
- The slope of the incline (the difference of the ELR and air parcel
line, this can be thought of negative CAPE, or CIN - Convective
Inhibition).
- The speed of whaich the ball was going down the slope (the speed of
which the air was rising).
Considering some updrafts speeds are well in excess of 100km/h - it's
not surprising that it may take a while for the air to slow down.
This is just how I think of it - I hope it helps...
--
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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014
Date: Sat, 18 Dec 1999 20:22:03 -0500
From: "Leslie R. Lemon" [lrlemon at compuserve.com]
Subject: Re: aus-wx: was Explain please...now info for Les etc....
To: "INTERNET:aussie-weather at world.std.com" [aussie-weather at world.std.com]
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Les:
EL= Equilibrium Level........an isothermal level, inversion, the trop, etc.
Les
************************
Leslie R. Lemon
Radar, Severe Storms, & Research Meteorologist
Phone: 816-373-3533
E-Mail: lrlemon at compuserve.com
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015
Date: Sun, 19 Dec 1999 01:25:02 +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)
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Anthony Cornelius wrote:
> Hi Les,
>
> Les Crossan wrote:
> >
> > Anthony Cornelius wrote:
> >
> > > Often the EL
> >
> > what the 'el is EL????
>
> :) EL = Equilibrium Level
>
> It's the last point where the air parcel plot line intersects the ELR
> (environmental lapse rate) line on a skew-t.
My brain isn't working, of course it is. It's all this snow here numbing my
braincell (:
Les(UK)
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016
Date: Sun, 19 Dec 1999 11:36:14 +1100
From: Ben Quinn [bodie at flatrate.net.au]
X-Mailer: Mozilla 4.61 [en] (Win95; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Nice Rainfall Totals in SE QLD
Sender: aussie-weather-approval at world.std.com
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Hi John, everyone..
I had 46mm here in the 48 hours to 9am Sunday - with 22mm's to 9am
Saturday (most of which fell after midnight Friday) and a further 24mm
to 9am Sunday (all of which fell from 9am to 3pm Saturday)..
Some further moderate to heavy totals in the SE quarter of QLD to 9am
Sunday.. this rain has fallen where it is really needed - my father owns
a property in the Wide Bay Burnett, and apparently it's reasonably dry
in some parts at the moment..
Wide Bay and Burnett
Mt Binga 69
Jimna Forestry 62
Hervey Bay 58
Yarraman 52
Makowata 51
Mt Mowbullan 50
Kingaroy 48
Nanango 48
Bundaberg 47
Embreys Bridge 44
Maryborough 43
Sandy Cape 42
Wallaville 42
Kandanga 40
Childers South 34
Double Is Pt 32
Goomboorian 31
Lady Elliot Is 29
Kilkivan 28
Proston 28
Biggenden 29
Mt Perry 26
Rainbow Beach 25
Southeast Coast
Maleny 71
Lindfield 56
Eumundi 54
Mt Mee 46
Kenilworth 45
Mt Glorious 41
Tewantin 41
Beerburrum 40
Palmwoods 40
Somerset Dam 37
Pt Arkwright 34
Nambour 33
Morayfield 30
Lake Cooroibah 29
Maroochydore 28
Toolara AWS 27
John Woodbridge wrote:
>
> Hi All,
>
> Yes good rain. 46mm at Mt. Crosby for the 24 hrs to 6:00pm today. The
> frogs are having a ball. 5 Common Green Tree frogs, 2 Ornate burrowing
> frogs & 1 Striped Marshfrog found on a quick peer around outside at 10:00pm.
>
> John.
> >snip
>
> Hi all,
>
> Seems like a good scattering of rainfall in the past 24hours - nothing
> too major though, although my dad has recorded 115mm at his property
> (Hiddenvale, near Grandchester - 100km or so WSW of Brisbane) in the
> past 24hrs! 62mm o'night, and 53mm from 9am-2pm - when he rang me just
> after 2pm asking where the rain had gone because it had suddenly
> stopped! All the dams are now full though, and they're "overflowing
> like a waterfall." :)
>
> I wasn't so lucky - 29.6mm o'night, 13.5mm during the day - 43.1mm all
> up. If course, it's also been rather cold - had the heater on for most
> of the day, it was 19.8C at midday!!! Which is around 8C below normal,
> currently sitting on 21.3C - which is my max for today! Where's
> summer!!!?
>
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017
Date: Sat, 18 Dec 1999 20:52:40 -0500
From: "Leslie R. Lemon" [lrlemon at compuserve.com]
Subject: Re: aus-wx: was Explain please...now info for Les etc....
To: "INTERNET:aussie-weather at world.std.com" [aussie-weather at world.std.com]
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Here in mid-north-latitude.....it is not uncommon in the summer to have
surface DPs of 20 to 24 C. Many times when this happens we are caped out.
Even with surface temps of ~37 to 38. I have seen 26.6 surface DP here!
Soupy and very, very, rich! In these cases it is not uncommon to have weak
shortwave-associated 500 mb temps of -8 to -13. We have had LIs of -15 and
CAPEs of 8000 +! In every case when we get to ~ 26 and a deep, moist,
boundary layer you just know it is going to EXPLODE. It very often does,
and with awesome beauty and typically great ferocity!
************************
Leslie R. Lemon
Radar, Severe Storms, & Research Meteorologist
Phone: 816-373-3533
E-Mail: lrlemon at compuserve.com
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-----------------------jacob at iinet.net.au------------------------------
018
Date: Sat, 18 Dec 1999 20:57:46 -0500
From: "Leslie R. Lemon" [lrlemon at compuserve.com]
Subject: Re: aus-wx: was Explain please...now info for Les etc....
To: "INTERNET:aussie-weather at world.std.com" [aussie-weather at world.std.com]
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Les:
> My brain isn't working, of course it is. It's all this snow here numbing
my
> braincell (:
Today we had a slate gray sky [no snow, :-( ]and surfce temp that did not
get above -1 C.
I love days like this! I just need a little snow now! [S]
les
************************
Leslie R. Lemon
Radar, Severe Storms, & Research Meteorologist
Phone: 816-373-3533
E-Mail: lrlemon at compuserve.com
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019
Date: Sun, 19 Dec 1999 11:50:12 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
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Subject: Re: aus-wx: was Explain please...now info for Les etc....
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Les Crossan wrote:
> My brain isn't working, of course it is. It's all this snow here numbing my
> braincell (:
>
You have snow? White Christmas for you???
The only White Christmas I want, is to wake up to 3 foot of hail at my
doorstep on Christmas morning
Anyway - I should go, cat and dog are running around the Christmas Tree
- knocking the decorations off, we have no more decorations on the
bottom now!...
--
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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020
Date: Sun, 19 Dec 1999 02:29:15 +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)
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: was Explain please...now info for Les etc....
Sender: aussie-weather-approval at world.std.com
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Anthony Cornelius wrote:
> Les Crossan wrote:
>
> > My brain isn't working, of course it is. It's all this snow here numbing my
> > braincell (:
> >
>
> You have snow? White Christmas for you???
AVN / MRF / NOGAPS and UKMO aren't sure yet.... we have cold and powder snow off
and on here presently temps are -5... Not barbie weather at all!
Check uk.sci.weather for the whole picture....
>
>
> The only White Christmas I want, is to wake up to 3 foot of hail at my
> doorstep on Christmas morning
not too large else you'll have holes in the roof! Get that supercell with that
new digital video???
>
>
> Anyway - I should go, cat and dog are running around the Christmas Tree
> - knocking the decorations off, we have no more decorations on the
> bottom now!...
>
ahem, know that one well except for cat and dog read cat, cat and toddler.... (:
Les(UK)
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021
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Change in Sydney Large cu observed
Date: Sun, 19 Dec 1999 13:04:11 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
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The change went through here at 3am with rain than drizzle.
Michael
----- Original Message -----
From: Jimmy Deguara [jdeguara at ihug.com.au]
To: [aussie-weather at world.std.com]
Sent: Sunday, 19 December 1999 11:44
Subject: Re: aus-wx: Change in Sydney Large cu observed
> I have been observing the large cumulonimbus from Schofields to the NE.
> Some more developing so I believe that the Central Coast to Newcastle area
> will get something this afternoon as the AVN has predicted. If anything
> goes up there is a strong jet stream aloft to help it. There is also no
> shortage of moisture.
>
> Jimmy Deguara
>
>
> At 10:47 19/12/99 +1000, you wrote:
> >A few brief but intense showers in Sydney as SSE change moved thru this
> >morning (sunday). Beacon Hill 10 mm is 3 minutes but 100 metres away -
> >nil. Heaviest rain I have seen for a long time but extremely narrow band
> >moving NNE about 2-3 kms inland from coast 10-30 to 11 am 19th Dec
> >
> >don W
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> > -----------------------jacob at iinet.net.au------------------------------
>
>
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022
Date: Sun, 19 Dec 1999 12:34:24 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
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To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Flooding in SE QLD
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Hi all,
Parents just came back from their property - they reported some local
flooding, with up to a foot of water over roads from creeks and dams.
Certainly some good falls around the place if you were in the right
position!
--
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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023
Date: Sun, 19 Dec 1999 12:44:06 +1100
From: Ben Quinn [bodie at flatrate.net.au]
X-Mailer: Mozilla 4.61 [en] (Win95; I)
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To: aussie-weather at world.std.com
Subject: aus-wx: Digital Camera ( was: was Explain please...now info for Les
etc....)
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hi Everyone,
Les Crossan wrote:
> Anthony Cornelius wrote:
>
> > Les Crossan wrote:
> >
> > > My brain isn't working, of course it is. It's all this snow here numbing my
<<<>>>>
> not too large else you'll have holes in the roof! Get that supercell with that
> new digital video???
Funny you should say that! My family are planning on buying me a digital
camera for Christmas/my birthday (which are only a week or so apart)..
and i am wondering if anyone has any advice on what sort/which one to
buy? I will probably have $300 to spend.. hopefully this will buy me a
half decent one..
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024
Date: Sat, 18 Dec 1999 17:36:24 -0800
From: Lindsay [writer at lisp.com.au]
X-Mailer: Mozilla 3.0 (Win16; I)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Explain please... :)
Sender: aussie-weather-approval at world.std.com
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Anthony Cornelius wrote:
>
> Hi Kevin,
>
> Kevin Phyland wrote:
> >
> > Hi every1,
> >
> > This is probably a really dumb question but...
>
> No question is ever dumb! We're all here to learn after all, and you
> won't learn if you don't ask!
>
So true Anthony, thats what I like about this place, its unpretentious
and informative.
Lindsay P.
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025
Date: Sat, 18 Dec 1999 18:05:57 -0800
From: Lindsay [writer at lisp.com.au]
X-Mailer: Mozilla 3.0 (Win16; I)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: TC John has made land...........
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Thanks Leslie,
I love collecting weather/climate data of various places throughout the
world. Wow, thats some variation there in your temps. Hotter than us in
summer and colder than us in winter. Its uncommon for my area to get
much over 30c in summer (last year didn't see it pass 30c) and say,
minimums of -3c in winter although in the frost hollows nearby (I'm at
the top of a 3600 feet ridge) we'd get around -7 to - 10 at times,
according to those in the know more than me.
Thanks again,
Lindsay Pearce
PS; I just realised my cousin's middle name is Raymond. That makes him
Leslie R.Lemon! No kidding.
Leslie R. Lemon wrote:
>
> Lindsay and all:
>
> Lindsay Pearce asked:
>
> > Whereabouts are you again Leslie? Altitude there? What's your typical
> > maximum and minimum for winter?
>
> Very near the geographic center of the contiguous 48 states......that is in
> Independence, MO (Missouri) which is a suburb (on the east side) of Kansas
> City, MO. That is another point. Kansas City is situated on the border
> between Kansas and MO. The lions share of the city is located on the MO
> side. The altitude is 300 to 400 m MSL.
>
> Our climate is very much continental. We get down to lows in the typical
> winter of -5 to -10 F on the coldest nights and highs during the warmest
> days of summer of +105 to 110 F. During the summer our DP range from low
> 50s F to upper 70s F (that is extremely steamy!). have an average total
> rainfall of ~ 38 inches each year and average snow of only ~ 20 inches.
> You did ask about typical maximums for winter.......usually mid 20s F to
> low 40s F. There are a few days in the typical winter when the temp will
> stay bellow 0 F. This is usually in mid January.
>
> Les
> ************************
> Leslie R. Lemon
> Radar, Severe Storms, & Research Meteorologist
> Phone: 816-373-3533
> E-Mail: lrlemon at compuserve.com
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026
Date: Sat, 18 Dec 1999 18:28:13 -0800
From: Lindsay [writer at lisp.com.au]
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Great Britian Minima
Sender: aussie-weather-approval at world.std.com
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Thanks Blair and to all others for the UK info. I've had to start a file
for it all. Its really good stuff. It must stir up the collective
unconscious of my Scottish heritage. Let us know how your weather
develops over the ensuing days.
Blair Trewin wrote:
>
> >
> > What sort of low temps do they get in these cold outbreaks? What sort of
> > wind chills as well?
> >
> >
> > Lindsay P.
>
>
> (I lived in Winchester, which is a real frost hollow, in 1989. This
> was a very mild year - it didn't snow once - but we got to see the
> influence of topography and urbanisation on minimum temperatures, in
> all its glory, in a remarkable anticyclonic spell in November and
> early December during which no precipitation fell for a month.
> Running on some of the early mornings and climbing through the
> inversion out of the valley - or entering the built-up area, whose
> boundary was very sharp - sometimes felt like stepping in front of
> the heater - I'd estimate some of the temperature changes at 5-7 C
> over 100 metres horizontal distance. On the coldest mornings it would
> range from near 0 C on the ridges to -10 C on the valley floor).
>
Thats fascinating Blair. I have a small mail contract in my area (About
20k's of walking/ and about the same in driving) . Last winter I covered
for another guy who was sick and did the western side of Blackheath
(Laurier wrote a piece on this, explaining it all) and it was amazing
the actual differences in temperature within a short distance. At the
top of the ridge it was say -2 (near my place) with good frost but no
real heavy frost on the car. In the frost hollows it was MUCH colder. I
didn't have a thermometer on me but the frost was very thick. I didn't
really need gloves at my place but I had blue hands whilst delivering in
the hollows. I'd reckon it was at least 3-5 degrees colder.
It was fascinating walking up and down the steep hills and feeling the
changes of temp. When I got back to my car, my wind screen was frozen
solid with thick frost, I couldn't see at all, and the wipers had frozen
to the window. (what is the best thing to do when ice is this thick on
the windscreen?) 90 minutes earlier back at my house the car had been
out all night with much less frost on it than in the hollows.
Lindsay P.
> Blair Trewin
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027
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Date: Sun, 19 Dec 1999 12:11:15 +0800
To: aussie-weather at world.std.com
From: Jacob [jacob at iinet.net.au]
Subject: aus-wx: Storms and hail in Perth
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Lots of lightning not along here in Perth, still going on a bit now, I even
had some hail.
It was a hot and sunny morning at first, the temperature was already 31C at
9am. The storms then started to roll in from the north at about 10:30am.
FORECAST FOR THE PERTH METROPOLITAN AREA
Issued at 11:36am WST on Sunday the 19th of December 1999 for the remainder of
today and Monday
FORECAST:
A road weather alert has been issued.
A period of showers and a few thunderstorms this afternoon. Becoming fine and
hot tomorrow. SW winds, tending briefly easterly in the morning. Possible
squalls and hail with thunderstorms.
TODAY'S TEMPERATURE: Maximum: 32
TOMORROW'S TEMPERATURES: Minimum: 18 Maximum: 34
Jacob
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028
From: "weatherhead" [weatherhead at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Stuff South of Sydney
Date: Sun, 19 Dec 1999 15:55:43 +1100
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Hey
Some very heavy showers/storms are brewing south of sydney near camden and
goulburn. Gone pink on radar, and more is popping up on every loop.
daniel weatherhead
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029
X-Sender: bayns at mail.broad.net.au
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Date: Sun, 19 Dec 1999 15:34:24 +1000
To: aussie-weather at world.std.com
From: steve baynham [bayns at broad.net.au]
Subject: aus-wx: satloop
Sender: aussie-weather-approval at world.std.com
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hey ppls,
lovely day ain't it!?
heres ssu loop starting after john crossed til now. its 250k
http://www.angelfire.com/ok2/gany/images/satloop.gif
cyas
steve
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030
Date: Sun, 19 Dec 1999 00:36:20 -0500
From: "Leslie R. Lemon" [lrlemon at compuserve.com]
Subject: Re: aus-wx: TC John has made land...........
To: "INTERNET:aussie-weather at world.std.com" [aussie-weather at world.std.com]
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Lindsay Pearce
> PS; I just realised my cousin's middle name is Raymond. That makes him
> Leslie R.Lemon! No kidding.
You have got to be kidding!!! LOL
************************
Leslie R. Lemon
Radar, Severe Storms, & Research Meteorologist
Phone: 816-373-3533
E-Mail: lrlemon at compuserve.com
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031
From: "Patrick Tobin" [patricktobin at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: SE change reaches Can-brr-a
Date: Sun, 19 Dec 1999 18:54:51 +1100
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The SE change reached Canberra about 3pm. It
dropped the temp from 22 in Holt to around 12 (at 6.30pm). The change
combined with what must be a cold upper pool has also triggered some showers and
weak storms in the area. I notice the Wagga sounding this morning showed the
500mb temp to be minus 20 - about 7 or 8 lower than has been evident over most
days in recent weeks.
In many respects, today's outcome carried many of the features
identified by Michael T in his post on this subject yesterday. We were lucky in
Canberra that the change reached here about 3pm and therefore could act as a
usefull trigger.
Patrick
032
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Date: Sun, 19 Dec 1999 18:23:35 +1000
To: aussie-weather at world.std.com
From: steve baynham [bayns at broad.net.au]
Subject: aus-wx: forecast loop
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hey folks!!!
a new thing i've put together this arvo.
3 day forecast, 12 hr intervals at 06z and 18z for (from left to right)
cape jet rh (500)
lifted index rh (sfc)
more variables will be added later i hope, after dinner:)
at the moment it is 338k in size, but worth it, i guess. any comments, suggestions welcome.
http://www.angelfire.com/ok2/gany/images/loop.gif
steve
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033
Date: Sun, 19 Dec 1999 18:57:21 +0930
From: Paul Mossman [paulmoss at tpgi.com.au]
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To: aussie-weather at world.std.com
Subject: aus-wx: Possible monsoonal storm tonight
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Hwody all. Looks like we may get our first monsoonal storm tonight - a
dark mass is boiling to the SE/E/S with lightning visible already. Radar
shows not much yet - but Darwin is down so only have Katherine.
Anyway could be the 1st allnighter at last. This comes after heavy rain
throughout the day.
Paul.
PS Cape at 0z was 1100 - checking 12z asap.
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034
Date: Sun, 19 Dec 1999 19:16:07 +0930
From: Paul Mossman [paulmoss at tpgi.com.au]
X-Mailer: Mozilla 4.08 [en] (Win98; I)
To: aussie-weather at world.std.com
Subject: aus-wx: Has Michael T broken the TStorm drought for Illawarra?
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Howdy all. Looking at radar - something moved West - East through the
Illawarra impacting Between Port Kembla and Kiama - going yellow & Dark
Green - was it a Storm? Looked like one - lets hope so for the storm
starved Illawarra & Michael T.
Paul.
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035
Date: Sun, 19 Dec 1999 19:45:47 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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Subject: Re: aus-wx: Possible monsoonal storm tonight
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Reply-To: aussie-weather at world.std.com
Hi Paul and all,
Paul Mossman wrote:
> PS Cape at 0z was 1100 - checking 12z asap.
Paul - are you aware that there is an archive of all skew-t images
around the world since 1997?
The URL is: http://www-das.uwyo.edu/upperair/au.html
Simply change the date to any date that you require.
You can also get soundings from other regions, by scrolling down to the
bottom and clicking on the region.
You may think I'm a sadist, but it's quite fascinating going through the
different regions of the world, at different times of the year, to see
the different temperature profiles.
For something interesting, try Antarctica.
But I thought I'd better mention this to you, rather then waiting for
each day to come along to gather "evidence" for your opinion.
PS - no one is knocking Darwin, or the tropics - just stating their
views/truths.
--
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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036
Date: Sun, 19 Dec 1999 19:43:47 +0930
From: Paul Mossman [paulmoss at tpgi.com.au]
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Possible monsoonal storm tonight
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Reply-To: aussie-weather at world.std.com
> But I thought I'd better mention this to you,
Thanx Anthony.
> rather then waiting for each day to come along to gather "evidence" for your opinion.
>
> PS - no one is knocking Darwin, or the tropics - just stating their
> views/truths.
Umm Anthony - it has nothing to do with gathering evidence for opinion -
I was actually interested to see what the connection was with CAPE and
the weather here thats all. I wanted to see the physical side of things
compared to the scientific - it is a great way of helping one to
comprehend the relationship of scientific weather -v- obs. weather.
I suppose I just get rather annoyed when people "label" everything under
sweeping statements - when weather is so variable and complex that it
makes those statements impossible to say........
Paul.
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037
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Has Michael T broken the TStorm drought for Illawarra?
Date: Sun, 19 Dec 1999 21:28:32 +1100
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I looked good, but no storm. I actually drove to Bowral as there was full
RED at one stage. The AM radio never crackled the whole way, except for 2-3
discharges that must have been at least 300km away - mythinks over the
ocean.
Classic cold pool of air moving through which sent everything convecting
into no thundery Cb and heavy showers.
At a guess the temp at Bowral at 5pm would have been struggling 12C
Michael
----- Original Message -----
From: Paul Mossman [paulmoss at tpgi.com.au]
To: [aussie-weather at world.std.com]
Sent: Sunday, 19 December 1999 20:46
Subject: aus-wx: Has Michael T broken the TStorm drought for Illawarra?
> Howdy all. Looking at radar - something moved West - East through the
> Illawarra impacting Between Port Kembla and Kiama - going yellow & Dark
> Green - was it a Storm? Looked like one - lets hope so for the storm
> starved Illawarra & Michael T.
>
> Paul.
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>
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038
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: SE change reaches Can-brr-a
Date: Sun, 19 Dec 1999 21:30:01 +1100
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My guess was that Bowral at 5pm was around 12C too, and my thoughts exactly
on the cold pool, a classic example in fact.
Michael
----- Original Message -----
From:
Patrick Tobin
Sent: Sunday, 19 December 1999
18:54
Subject: aus-wx: SE change reaches
Can-brr-a
The SE change reached Canberra about 3pm. It
dropped the temp from 22 in Holt to around 12 (at 6.30pm). The change
combined with what must be a cold upper pool has also triggered some showers
and weak storms in the area. I notice the Wagga sounding this morning showed
the 500mb temp to be minus 20 - about 7 or 8 lower than has been evident over
most days in recent weeks.
In many respects, today's outcome carried many of the
features identified by Michael T in his post on this subject yesterday. We
were lucky in Canberra that the change reached here about 3pm and therefore
could act as a usefull trigger.
Patrick
039
X-Originating-IP: [203.35.254.2]
From: "David Croan" [wxbustchase at hotmail.com]
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Change in Sydney
Date: Sun, 19 Dec 1999 22:16:44 EST
Sender: aussie-weather-approval at world.std.com
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Don White wrote:
>A few brief but intense showers in Sydney as SSE change moved thru this
>morning (sunday). Beacon Hill 10 mm is 3 minutes but 100 metres away -
>nil. Heaviest rain I have seen for a long time but extremely narrow band
>moving NNE about 2-3 kms inland from coast 10-30 to 11 am 19th Dec
Yes Don it bucketed down here for a few minutes in Beacon Hill just as I was
heading out this morning - by the time I was 100 metres up the street in
Frenchs Forest the roads were bone dry. Quite impressive cumulus congestus
right along the coast.
______________________________________________________
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| Document: 991219.htm
Updated: 22 December 1999 |
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