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Storm News
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Australian Weather Mailing List Archives: 15th January 1999 |
From Subject
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001 Sam Barricklow [k5kj at pulse.net] Whistlers
002 Sam Barricklow [k5kj at pulse.net] Web Sites
003 "Mark Hardy" [mhardy at nsw.bigpond.net.au] High diurnal ranges - update
004 Jimmy Deguara [jimmyd at ozemail.com.au] Fwd: remarkable showers
005 Matt Smith [disarm at braenet.com.au] Web Sites
006 Blair Trewin [blair at met.Unimelb.EDU.AU] High diurnal ranges - update
007 "Michael Thompson" [michaelt at ozemail.com.au] High diurnal ranges - update
008 Ben Munro [benjamin at biosys.net] High diurnal ranges - update
009 "David Lalor" [davidjpl at mira.net] Location Details
010 Blair Trewin [blair at met.Unimelb.EDU.AU] High diurnal ranges - update
011 Ben Quinn [Bodie at corplink.com.au] WWW Page
012 Anthony Cornelius [cyclone at stealth.com.au] TC Dani
013 Ben Quinn [Bodie at corplink.com.au] Brisbane - Kilcoy Chase 10/1/99
014 Ben Quinn [Bodie at corplink.com.au] SE QLD Chase
015 Jimmy Deguara [jimmyd at ozemail.com.au] WWW Page
016 "Patrick Tobin" [pdtobin at hotmail.com] High diurnal ranges - update
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001
Date: Thu, 14 Jan 1999 07:21:07 -0600
From: Sam Barricklow [k5kj at pulse.net]
Organization: The Storm Shop http://www.thestormshop.com/
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Someone posted a message on blue jets, and sprites recently. Take a
look at this site and listen to some of the recordings.
http://www-pw.physics.uiowa.edu/mcgreevy/
I bought one of these receivers. It is simple and works very well.
However, for peak performance it is best to be as far from power lines
as possible.
There are a few more related links at:
http://www.pulse.net/storm/litelink.htm
Sam Barricklow
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002
Date: Thu, 14 Jan 1999 07:23:09 -0600
From: Sam Barricklow [k5kj at pulse.net]
Organization: The Storm Shop http://www.thestormshop.com/
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Take a look at:
http://www.pulse.net/storm/chaser.htm#Australia
and let me know if I missed anyone.
Thanks,
Sam Barricklow
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003
From: "Mark Hardy" [mhardy at nsw.bigpond.net.au]
To: [aussie-weather at world.std.com]
Subject: Re: aussie-weather: High diurnal ranges - update
Date: Thu, 14 Jan 1999 20:19:12 +1100
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Blair
I do remember a large diurnal range at Ceduna when I was forecasting at the
BoM in the early 90's. The details and the date I have forgotten. Perhaps
you can check on this for me. I remember the min was around 14 and the max
was 48 giving a range of about 34. It was quite an amazing day.
Mark
__________________________
The Weather Company
mhardy at theweather.com.au
Level 2, 7 West Street North Sydney
Ph: 02 9955 7704
Fax: 02 9280 1882
__________________________
-----Original Message-----
>From: Blair Trewin
>To: Aussie Weather
>Date: Thursday, 14 January 1999 18:16
>Subject: aussie-weather: High diurnal ranges - update
>
>
>Having spent a lengthy period dredging through high diurnal ranges
>of temperature in Australia (something I was doing anyway as part
>of my quality control work at the Bureau), I can now confirm that
>the diurnal range of 35.0 degrees recorded at Ceduna on 16 October,
>1998 is a new Australian record. The previous record was 34.9 degrees
>at Kyancutta on 27 December 1963.
>
>Records for each state are:
>
>WA 34.5 (39.1/4.6) Esperance Downs 2/1/1953
>NT 32.8 (31.2/-1.6) Tempe Downs 11/9/1972
>SA 35.0 (39.6/4.6) Ceduna 16/10/1998
> (34.9 (42.2/7.3) Kyancutta 27/12/1963)
>Qld 33.3 (38.3/5.0) Cambooya 21/10/1988
>NSW 34.8 (45.4/10.6) Maitland West 19/11/1968
>Vic 34.1 (34.0/-0.1) Fiskville 12/1/1957
>Tas 32.5 (34.5/2.0) Geeveston 14/2/1980
>
>(Those who have been following a thread on sci.geo.meteorology may
>have noticed that I'd said that 35.0 had been set on three occasions;
>an additional check showed that two of these three cases were
>accumulated over more than one day).
>
>Blair Trewin
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004
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Date: Fri, 15 Jan 1999 08:42:51 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: aussie-weather: Fwd: remarkable showers
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Hi everyone, I have just received this message. If anyone can help, please
e-mail Sally
Jimmy
>From: SallyBeare at aol.com
>Date: Thu, 14 Jan 1999 13:39:18 EST
>To: jimmyd at ozemail.com.au
>Subject: remarkable showers
>X-Mailer: AOL 3.0.i for Windows sub 177
>
>Dear Jimmy
>
>I am researching a television documentary about things which have fallen from
>the sky and I have heard about thousands of Spangled Grunter (fish) which fell
>on Wellbourne Hills Cattle Station in the northern part of S. Australia in
>February 97. Some apparently landed in a water tank and grew.
>
>We would like to include this story in our programme and I wondered - do you
>know anything about it? If not do you have any suggestions as to who I could
>get in touch with?
>
>I'd be really grateful for any help you can give. It's probably best to email
>me, otherwise I am on + 44 171 603 1042 (please reverse the charge if you
>call).
>
>Many thanks for any help you can give.
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005
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Date: Fri, 15 Jan 1999 10:43:38 +1100
To: aussie-weather at world.std.com
From: Matt Smith [disarm at braenet.com.au]
Subject: Re: aussie-weather: Web Sites
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Heya :)
you missed me!
Matthew Smith, http://www.braenet.com.au/~disarm/
thanks!
>Take a look at:
>
>http://www.pulse.net/storm/chaser.htm#Australia
>
>and let me know if I missed anyone.
>
>Thanks,
>
>Sam Barricklow
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006
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Message-Id: <199901142348.KAA23410 at mullara.met.unimelb.EDU.AU>
Subject: Re: aussie-weather: High diurnal ranges - update
To: aussie-weather at world.std.com
Date: Fri, 15 Jan 1999 10:48:15 +1100 (EST)
In-Reply-To: <000c01be3f9e$f338ef50$020aa8c0 at imdc-server1.c2.telstra-mm.net.au> from "Mark Hardy" at Jan 14, 99 08:19:12 pm
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>
> Blair
>
> I do remember a large diurnal range at Ceduna when I was forecasting at the
> BoM in the early 90's. The details and the date I have forgotten. Perhaps
> you can check on this for me. I remember the min was around 14 and the max
> was 48 giving a range of about 34. It was quite an amazing day.
>
I expect you're thinking of 2 January 1990; maximum of 47.9 and minimum
of 15.5, giving a diurnal range of 32.4 - the diurnal range was only
the 7th highest on record, but the maximum itself is the highest on
record for the site.
There have been 68 instances of diurnal ranges > 30 C at Ceduna, an
average of just over one a year - it has occurred in all months
from September to March, with the highest frequency in November.
Ceduna seems to be a favoured location for low minima (it's not
unknown for it to be the coldest place in the state or close to it) -
are the instruments in a small hollow/depression/valley?
Blair Trewin
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007
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aussie-weather: High diurnal ranges - update
Date: Fri, 15 Jan 1999 17:42:00 +1100
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Must admit it does seem strange for a coastal town. Kyancutta I can
understand as its smack in the middle of Eyre Peninsula.
Michael
>Ceduna seems to be a favoured location for low minima (it's not
>unknown for it to be the coldest place in the state or close to it) -
>are the instruments in a small hollow/depression/valley?
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008
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Date: Fri, 15 Jan 1999 18:25:39 +1100
To: aussie-weather at world.std.com
From: Ben Munro [benjamin at biosys.net]
Subject: Re: aussie-weather: High diurnal ranges - update
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Cooma, NSW had a 32 degree range a couple of weeks ago, from 10 to 42
the maximum is must be pretty close to a record, seeing as Canberra, which
is further north and lower in altitude has a maximum temp of 42.
Ben Munro
>Must admit it does seem strange for a coastal town. Kyancutta I can
>understand as its smack in the middle of Eyre Peninsula.
>
>Michael
--------------------------------------------------------------------------------------
009
From: "David Lalor" [davidjpl at mira.net]
To: [aussie-weather at world.std.com]
Subject: aussie-weather: Location Details
Date: Fri, 15 Jan 1999 18:30:05 +1100
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Hi all
I have been away from my email for a couple of weeks. I am now having fun
catching up with what has been happening on the list and learning alot more
about severe weather.
I am a student and spend half of my time in Albury and the other half in
Melbourne.
Home Location:
Thurgoona, just to the northeast of Albury/Wodonga on the NSW/Vic border.
While away in Melbourne during alot of the year I live in Glen Iris to the
ESE of the CBD.
I can be contacted on mobile 0417697080, email: davidjpl at mira.net or on the
two metre band on amateur radio, callsign VK2HDL.
One last thing to note if anyone wants to look at the current weather
observations in Albury. Albury Local Internet have an automatic weather
station that displays up to the minute temp, RH, baro, winds and a list of
the hourly averages over the last two days that are recorded from their site
in Lavington, just to the north of Albury.
The site to go to is http://weather.albury.net.au/cgi-bin/wx
Cheers
David L
--------------------------------------------------------------------------------------
010
From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Message-Id: <199901150757.SAA27300 at mullara.met.unimelb.EDU.AU>
Subject: Re: aussie-weather: High diurnal ranges - update
To: aussie-weather at world.std.com
Date: Fri, 15 Jan 1999 18:57:10 +1100 (EST)
In-Reply-To: <3.0.1.32.19990115182539.006b0414 at mail.geocities.com> from "Ben Munro" at Jan 15, 99 06:25:39 pm
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>
> Cooma, NSW had a 32 degree range a couple of weeks ago, from 10 to 42
> the maximum is must be pretty close to a record, seeing as Canberra, which
> is further north and lower in altitude has a maximum temp of 42.
>
> Ben Munro
This 42 is almost certainly incorrect. The temperature at 1500 was
35.0 and no other station in the region exceeded 37.9. (Automatic
weather stations are prone to the occasional 'spike' - if you took
all of their observations at face value we'd have had a -40 in WA
and a 55 in central NSW in the last few years).
(That said, the Canberra-Monaro region is a favoured one for high
diurnal ranges with numerous 30+ instances, especially at locations
where the topography favours low minima, such as the (now closed)
Gudgenby site).
Blair Trewin
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011
Date: Fri, 15 Jan 1999 18:59:44 +1100
From: Ben Quinn [Bodie at corplink.com.au]
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Hey Ben from Brisbane here ..
My Email has been down for the past week or so, so i have a few things to say
What would you all say if i said i found a site that plots the following upper
level data for australia? :)
��� Temperature Advection
��� Dewpoint
��� Dewpoint Depression
��� Heights
��� Wind Vectors
��� Ageostrophic Wind Vectors
��� Q-Vectors
��� Q-Vector Convergence
��� Wind Convergence
��� Wind Streamlines
��� Moisture Convergence
��� Moisture Advection
��� Relative Humidity
��� Pressure Tendency
��� Theta
��� Theta-E
��� Virtual Temperature
��� Virtual Potential Temperature
��� Mixing Ratio
��� Precipitable Water
��� Wet Bulb Temperature
��� Relative Vorticity
��� Absolute Vorticity
��� Vorticity Advection
��� 1000-500MB Thickness
��� K-Index
��� Total Totals Index
��� Showalter Index
��� Lifted Index
well while sorting out my bookmarks the other night i found one at
http://taiga.geog.niu.edu/machine/upcontour.html<--- That's the upper air plots
page
http://taiga.geog.niu.edu/machine/<-- And that's the main page, many many other
plots to choose from here�
But one problem, it dosn't seem to want to work!! :( Although if you select a
sounding station for Australia (Say YBBN for Brisbane, click on the list of
International stations and check out how many there are to choose from!) you
get allot more data on the Wind Parameters than the soundings we get from the
University of Wyoming.� You'll have to click on the "Download Sounding directly
here" to view it.� If you cant get it to work, here is a URL of the sounding i
got.
I was thinking that if anyone would be able to find out how he is plotting the
information for australia? maybe by going through the HTML on the page? i don't
know, i've had no luck myself .. But Australia is an option, so hopefully
something will come out of it (I cant get any other country's plots to work
either BTW)
--------------------------------------------------------------------------------------
012
Date: Fri, 15 Jan 1999 19:41:52 +1000
From: Anthony Cornelius [cyclone at stealth.com.au]
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To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aussie-weather: TC Dani
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Hi all,
For those who haven't been checking sat pics/models etc, TC Dani has
formed in the Pacific - it became a disturbance yesterday. Now winds
are gusting to 55kts, so only weak. But models predict 105kts in 48hrs
from 6Z today (15th) it's at 17.0S 165.0E and moving SE at 7kts. Models
are taking a more SSE direction though now, and each time the JTWC
models come out - it brings it closer and closer to New Caladonia.
Anthony from Brisbane
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013
Date: Fri, 15 Jan 1999 20:04:28 +1100
From: Ben Quinn [Bodie at corplink.com.au]
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Subject: Re: aussie-weather: Brisbane - Kilcoy Chase 10/1/99
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Hey Ben from Brisbane here
Stupid Electric wires!! they were almost at ground level, what is that going
to stop? Rabbits? Field Mice?? Ants!?!?
BTW rosco didn't mention that while i was being electrocuted, he was climbing
through the fence while i was holding the wires up for him .. and i had to
let go!! so he got a little tangled hehe .. sorry again rosco! :)
Also the storm we were chasing had a Bow Echo on radar at almost the exact
time we caught up with it. Had a really nice guster on it, and for sure some
great pics of a shelf cloud that we were viewing from the SE side of the
storm, looked really good. I put 48 pics in to be developed this afternoon so
hopefully some good ones will come out of it, more likely rosco's will be
better, as he has an SLR camera.
Ross Portas wrote:
> Hi all,
>
> Ross from Brisbane here announcing that his storm chasing cherry has
> been popped :-).
>
> After a lot of umming and arring Ben Quin and myself finally decided
> to have a squiz at some of the activity that was happening around the
> SEQ region. Energex's Lightning Tracker was going berserk with several
> lines of storms showing up, mainly moving N/East.
>
> The question was where to go..... We left rather late in the day so
> it had to be reasonably close. One option was to go Beaudesert way and
> hopefully catch something that might develop there, or go to our
> north-west around Kilcoy where a fair bit of action was and had
> already happened.....
>
> We chose the Kilcoy option. Anthony Cornelius was commandeered into
> updating us via mobile phone. With the help of Ben's navigation we
> arrived in fairly quick time.
>
> Anthony informed us at 4pm that a new cell was just starting to get
> some strength almost directly west of where we were. Just before
> entering
> Kilcoy, we took a detour along a road heading northwards, so as to
> put us ahead of the new cell. This caused us to go over a weir that
> already had about 3 inches of water going over it, so it had to be a
> quick
> chase or a long wait for the water to subside when heading back. Not far
> up
> the road, we found a good place to take some photos of the northern
> part of the cell. Unfortunately my parking could have been better,
> because
> (barefoot) Ben stood straight into wet cow shit. Shit as they say,
> happens :-)
>
> Another change in direction west brought us closer to the action
> where a small gust front was forming up. Ben guessed the wind at around
> 20knts max. We then decided to head back east a bit to see if the gust
> front
> would form up. Rain was falling but not very heavy where we were,
> although there were some very heavy rain shafts that we could see. A
> few small lowerings and a smallish shelf cloud developed as we headed
> back into Kilcoy. Luckily we managed to bypass the weir that scared us
> earlier.
>
> Heading east out of Kilcoy, we stopped for another photo opportunity.
> To get the best shot, we climbed through a barbed wire fence. Couple of
> snaps later, back to the car. Ben goes through the fence first, with
> me holding the wires apart, then he did the same for me..... and found
> out that with his bare feet, he made a rather good conducter for the
> electric fence wires we had failed to notice :-)
>
> As we headed east, back to the Bruce Highway, the cell, which was
> moving very slowly started to die out, and there was nothing else
> visible,
> so we headed home.
>
> All in all, it was an enjoyable first chase for me and great to meet
> up with Ben. Hopefully the photo's we took will come out OK. Our next
> chase will be Tuesday, with the latest AVN forecast predicting -10 LI's
> to
> the west of us. Expect another report shortly after :-)
>
> Cheers all,
> Rosco.
--------------------------------------------------------------------------------------
014
Date: Fri, 15 Jan 1999 20:32:40 +1100
From: Ben Quinn [Bodie at corplink.com.au]
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Hey Ben from Brisbane here ..
I'm a chase report virgin so bear with me
Rosco and I had another chase on tuesday, with the LI's down to -10 west of
brisbane we were expecting to see some monsters! The main problem was we both
couldn't get away till after 2, and by the time we got anywhere near any action
it was 3:30 (on the way to rosco's i got some great pictures, hopefully, of a
very large and impressive cell to my Northish) .. We drove up to Nambour ( i
don't have a map handy, but probably 80 - 100k's or so north of Brisbane) and
it was all Rain and local Embedded thunderstorms :( We decided we better cut
our losses and head home, by this time it was getting close to 6pm or so ..
On the way home, we drove out of the rain/local thunderstorms into blue sky!
and some cells to our East and to our South. After a short stop at a beach to
take pics of some fantastic Cu out to sea, we headed back to Rosco's hoping
that the cells to our South would take off. On the highway heading south we
spotted a short lived overshooting top (lasted 2 mins max) .. hopefully some
great shots from that. The storm seemed to die fairly suddenly after that,
cloud tops dropping quite rapidly. We decided to head back to the computer and
check out the lightning tracker and sat pics, not really much happening except
for a quite large storm to the far WSW of brisbane that later warranted
warnings from the BOM of flash flooding.
Overall it was a bust chase really, but the overshooting top and the Cu out to
sea made it worthwhile i guess. Next chase will be in the Lockyer Valley WSW
of Brisbane hopefully, seems like a good spot.
--------------------------------------------------------------------------------------
015
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Date: Fri, 15 Jan 1999 21:44:41 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: Re: aussie-weather: WWW Page
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Ben and everyone,
that would have been a good page. I had seen a link to this once before and
didn't investigate it. Derrrr. There is a link to another section which hosts
these different variables but yes you guessed it, only the US is covered not
Australia. I will have to plod along. The good news is that they had used the
same AVN model data to get these plots. I may ask them for some assistance.
Theyt have all the cgi scripts and all.
But anyway, it seems that not only is this section not working but the famous
"Storm Chaser Home Page" is also looking for a new home. This is a page I had
often visited when I first went onto the net. It is sad they can't host their
site on that server but they will put it up somewhere else I suppose.
Jimmy
At 06:59 PM 1/15/99 +1100, you wrote:
>
> Hey Ben from Brisbane here ..
>
> My Email has been down for the past week or so, so i have a few things to say
>
>
> What would you all say if i said i found a site that plots the following
> upper level data for australia? :)
>
> Temperature Advection
> Dewpoint
> Dewpoint Depression
> Heights
> Wind Vectors
> Ageostrophic Wind Vectors
> Q-Vectors
> Q-Vector Convergence
> Wind Convergence
> Wind Streamlines
> Moisture Convergence
> Moisture Advection
> Relative Humidity
> Pressure Tendency
> Theta
> Theta-E
> Virtual Temperature
> Virtual Potential Temperature
> Mixing Ratio
> Precipitable Water
> Wet Bulb Temperature
> Relative Vorticity
> Absolute Vorticity
> Vorticity Advection
> 1000-500MB Thickness
> K-Index
> Total Totals Index
> Showalter Index
> Lifted Index
>
> well while sorting out my bookmarks the other night i found one at
>
>
> http://taiga.geog.niu.ed
> u/machine/upcontour.html<--- That's the upper air plots page
>
> here is a URL of the
> sounding i got.
>
> I was thinking that if anyone would be able to find out how he is plotting
> the information for australia? maybe by going through the HTML on the page? i
> don't know, i've had no luck myself .. But Australia is an option, so
> hopefully something will come out of it (I cant get any other country's plots
> to work either BTW)
----------------------------------------------------------------------------
---------------
Jimmy Deguara
Vice President ASWA
from Schofields, Sydney
e-mail: jimmyd at ozemail.com.au
homepage with Michael Bath
http://www.australiansevereweather.simplenet.com/
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016
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From: "Patrick Tobin" [pdtobin at hotmail.com]
To: aussie-weather at world.std.com
Subject: Re: aussie-weather: High diurnal ranges - update
Date: Fri, 15 Jan 1999 02:55:05 PST
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Hi Blair,
I was wondering how I might be able to access the records for the
Gudgenby site. I do a lot of walking in that area in all seasons and
would be interested in seeing the figures.
I would guess the site would be at around 960m in altitude. In winter, I
have often observed the nearby swamp and Bogong Creek to be frozen over
(including through the day) for several weeks at a time -generally
during periods of anticyclonic weather. This altitude is well below the
usual freezing level so there must be some pretty concentrated cold air
drainage and some very cold overnight temperatures to achieve such an
outcome.
The same area can, on occasion, be horrendously hot in summer (well high
30's and feeling hotter in the stronger sun of this altitude - its all
relative when you live in this part of the world) and no doubt
"benefits" from a foehn effect during strong NW wind events.
Thanks Patrick.
>(That said, the Canberra-Monaro region is a favoured one for high
>diurnal ranges with numerous 30+ instances, especially at locations
>where the topography favours low minima, such as the (now closed)
>Gudgenby site).
>
>Blair Trewin
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Updated: 18th January, 1999 |
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