Storm News
[Index][Aussie-Wx]
Australian Weather Mailing List Archives: 13th February 1999

    From                                           Subject
--------------------------------------------------------------------------------------
001 Don White [donwhite at ozemail.com.au]            Some info about Gerringong storm  23rd J
002 Lindsay [writer at lisp.com.au]                   Test run
003 Ben Quinn [Bodie19 at eisa.net.au]                Severe Weather Warning
004 "Terry Bishop" [dymprog at mpx.com.au]            Orange Weather
005 "Terry Bishop" [dymprog at mpx.com.au]            Late mail.
006 David Croan [bustchase at yahoo.com]              Nov BoM weather summary is up
007 Jimmy Deguara [jimmyd at ozemail.com.au]          Another link
008 Jimmy Deguara [jimmyd at ozemail.com.au]          Sorry
009 David Croan [bustchase at yahoo.com]              LI and WA severe storm advice??
010 Jimmy Deguara [jimmyd at ozemail.com.au]          LI and WA severe storm advice??
011 "RODNEY AIKMAN" [raikman at hotmail.com]          Weather en-route Melb. to Bendigo
012 Keith Barnett [weather at ozemail.com.au]         Seven Hills rainfall data
013 Michael Bath [mbath at ozemail.com.au]       Sydney Metting 13/02/98 - minutes
014 Michael Scollay [michael.scollay at telstra.com.  Perhaps some of you would like to view this linkon occasions

--------------------------------------------------------------------------------------
001

Date: Sat, 13 Feb 1999 07:44:52 +1100
From: Don White [donwhite at ozemail.com.au]
X-Mailer: Mozilla 4.5 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: aus-wx: Re: aussie-weather: Some info about Gerringong storm  23rd Jan 99
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Michael...
could you please check e-mail addree for the Lake times.... keep getting
a retrun of unknown
Thanks 
don White

Michael Thompson wrote:
> 
> Hi don
> 
> This was out the Lake Times Wednesday Jan 27th, a weekly paper down here in
> the southern Illawarra. The vent occurred sometime on Saturday night 23rd
> January 1998. There was no doubt about a storm in the area, the lightning I
> saw was quite constant.
> 
> Parts of the article are below.....

--------------------------------------------------------------------------------------
002

Date: Sat, 13 Feb 1999 09:53:29 -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: Test run
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Debbie,

I live atop the Great Divide at 1100 metres, 130 k's west\of Sydney.
Lots of weather up here including snow etc. It's currently a balmy 14
degrees at 10:am. I've got a friend in melbourne who I phone regularly.
She lives in um, geez, I forgot! That's right West Heidelberg.

Parker, Debbie L wrote:
> 
> Hi Lindsay,
> Hailing from Boronia, Melbourne.
> Actually only bucketing down with rain at the moment!
> 
> Thanks for that!
> Regards,
> Debbie

--------------------------------------------------------------------------------------
003

Date: Sat, 13 Feb 1999 09:15:30 +1100
From: Ben Quinn [Bodie19 at eisa.net.au]
X-Mailer: Mozilla 4.04 [en] (Win95; I)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Severe Weather Warning 
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

TOP PRIORITY
SEVERE WEATHER WARNING
Issued by the Bureau of Meteorology, Brisbane
At 0445 EST on Saturday the 13th of February 1999

For coastal ares between Townsville and St Lawrence.


An elongated trough lies off the North Tropical Coast with an embedded
992 hPa
monsoon low about 160 km east of Cairns. The trough is moving west.
During
Sunday the trough is expected to move south at the same time as a firm
ridge
develops along the south Queensland Coast. 

An intense pressure gradient will develop along the Central Coast and
winds
gusts could reach 90 km/hr causing tree damage and possible disruption
to power.
Very heavy rain is expected over the warning area causing rapid stream
rises and
localised flooding. Heavy seas will develop with tides above normal
levels.
These conditons will clear from northern parts during Sunday morning.

--------------------------------------------------------------------------------------
004

From: "Terry Bishop" [dymprog at mpx.com.au]
To: "Aussie-weather" [aussie-weather at world.std.com]
Subject: aus-wx: Orange Weather
Date: Sat, 13 Feb 1999 11:05:56 +1100
X-Mailer: Microsoft Outlook IMO, Build 9.0.2212 (4.71.2419.0)
Importance: Normal
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi All,
Yet another boring blue sky.

At 11.00am in Orange 22C, 1011, 35%, No breeze.

Maybe in Queensland they should bring in daylight saving. If that extra
hours daylight can fade the curtains then imagine the extra water that it
could evaporate.

I'm just going to remove my tongue from cheek now.


 Terry.

mailto:dymprog at mpx.com.au

--------------------------------------------------------------------------------------
005

From: "Terry Bishop" [dymprog at mpx.com.au]
To: "Aussie-weather" [aussie-weather at world.std.com]
Subject: aus-wx: Late mail.
Date: Sat, 13 Feb 1999 11:29:07 +1100
X-Mailer: Microsoft Outlook IMO, Build 9.0.2212 (4.71.2419.0)
Importance: Normal
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Jane,

Thanks for the reply re my mail. I received my own Thursdays morning mail
this morning (Saturday.) Oh well, only 48 Hrs late!!

 Terry.

mailto:dymprog at mpx.com.au

--------------------------------------------------------------------------------------
006

Date: Fri, 12 Feb 1999 22:21:57 -0800 (PST)
From: David Croan [bustchase at yahoo.com]
Subject: aus-wx: Nov BoM weather summary is up
To: aussie- weather [aussie-weather at world.std.com]
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi everyone

The BoM significant weather summary for November is up:


http://www.bom.gov.au/inside/services_policy/public/sigwxsum/sigw1198.shtml


The 7th/8th was quite active. As well as the severe storms in NSW, a
tornado was reported near Alice Springs (7th) and the following day a
funnel cloud reported at Kulgera (about 250km south of AS).


David

--------------------------------------------------------------------------------------
007

X-Sender: jimmyd at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Sat, 13 Feb 1999 19:41:28 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: aus-wx: Another link
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi every1,

Jimmy here

At the NSW ASWA meeting earlier today, I had mentioned that I was
investigating a site which was to have soundings data. I have finally found
the incomplete section with a similar format to the other soundings site
for Australia. It is available from the link below. Follow the directions
and you will see what I mean. I again stress, the soundings are not yet
available. But keep checking to find wyhen they do become available. I hope
I have not double crossed anyone else's link but here it is anyway.

Jimmy Deguara
----------------------------------------------------------------------------
---------------
Jimmy Deguara
Vice President ASWA
from Schofields, Sydney
e-mail:  jimmyd at ozemail.com.au
homepage with Michael Bath
http://www.australiansevereweather.simplenet.com/

--------------------------------------------------------------------------------------
008

X-Sender: jimmyd at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Sat, 13 Feb 1999 19:47:56 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: aus-wx: Sorry, here is the link to the soundings site.
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Sorry, I got sidetracked. Here is the link to the soundings data

http://www.australiansevereweather.simplenet.com/links/ozcharts.htm
----------------------------------------------------------------------------
---------------
Jimmy Deguara
Vice President ASWA
from Schofields, Sydney
e-mail:  jimmyd at ozemail.com.au
homepage with Michael Bath
http://www.australiansevereweather.simplenet.com/

--------------------------------------------------------------------------------------
009

Date: Sat, 13 Feb 1999 01:49:44 -0800 (PST)
From: David Croan [bustchase at yahoo.com]
Subject: aus-wx: LI and WA severe storm advice??
To: aussie- weather [aussie-weather at world.std.com]
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I just noticed the advice out for this area (almost 2 hours old as I
write this). Anyway sounds like some decent sized hail at Lake King.

Just found it interesting that the LIs, which are generally a great
indicator of atmospheric instability, are +ve/neutral at best for the
area, since there is a surface trough there. The upper level winds
have have some speed as well. 

I suppose models are always prone to errors. Dud output or inversion
or something else. Any ideas?? 
 

IDW10W00
BUREAU METEOROLOGY
AREA05:

PRIORITY
FOR IMMEDIATE BROADCAST
SEVERE THUNDERSTORM ADVICE BUREAU OF METEOROLOGY PERTH
ISSUED AT 3:30PM  ON SATURDAY 13/2/1999

PEOPLE IN THE EASTERN SOUTH COASTAL AND THE ADJACENT GOLDFIELDS AND
WESTERN EUCLA DISTRICTS ARE ADVISED THAT THERE IS A RISK OF SEVERE
THUNDERSTORMS THIS AFTERNOON AND EVENING.

STORMS MAY BE ACCOMPANIED BY HAIL, STRONG WINDS AND LOCAL FLOODING
THAT COULD RESULT IN DAMAGE TO PROPERTY.
 FLASH FLOODING IS POSSIBLE.

 HAIL LARGE ENOUGH TO DAMAGE CROPS, HOUSE ROOFS AND CARS HAS BEEN
 REPORTED FROM LAKE KING.

--------------------------------------------------------------------------------------
010

X-Sender: jimmyd at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Sat, 13 Feb 1999 21:09:22 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: Re: aus-wx: LI and WA severe storm advice??
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Jimmy Deguara here,

I think the LI site is having problems as I have just tried to load the
latest data which is off line. The past couple of weeks have revealed the
odd problems. Perhaps the updated data would have shown this or there are
errors. Despite this, there are times when the models do not pick out the
areas of instability accurately. I have observed this before in WA. In
general, it should be ok though.

Jimmy

At 01:49 AM 2/13/99 -0800, you wrote:
>I just noticed the advice out for this area (almost 2 hours old as I
>write this). Anyway sounds like some decent sized hail at Lake King.
>
>Just found it interesting that the LIs, which are generally a great
>indicator of atmospheric instability, are +ve/neutral at best for the
>area, since there is a surface trough there. The upper level winds
>have have some speed as well. 
>
>I suppose models are always prone to errors. Dud output or inversion
>or something else. Any ideas?? 

--------------------------------------------------------------------------------------
011

X-Originating-Ip: [203.43.44.176]
From: "RODNEY AIKMAN" [raikman at hotmail.com]
To: aussie-weather at world.std.com
Subject: aus-wx: Weather en-route Melb. to Bendigo
Date: Sat, 13 Feb 1999 02:28:00 PST
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi everyone,
           Got back home from ASWA meeting OK. A lot of cumulus CL2 and 
CL3 North of the divide this afternoon (Sat), however nothing developed 
past this stage.
Rod Aikman

PS. the meeting was just great!

--------------------------------------------------------------------------------------
012

Date: Sat, 13 Feb 1999 21:29:25 +1100
From: Keith Barnett [weather at ozemail.com.au]
X-Mailer: Mozilla 4.5 [en] (Win95; I)
X-Accept-Language: en
To: "aussie-weather at world.std.com" [aussie-weather at world.std.com]
Subject: aus-wx: Seven Hills rainfall data
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

For what it's worth, and for any interested, an expanded (and updated)
table of rainfall data is now available at
http://www.ozemail.com.au/~weather/rain.html

--------------------------------------------------------------------------------------
013

X-Sender: mbath at ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Sat, 13 Feb 1999 21:42:52 +1100
To: aussie-weather at world.std.com
From: Michael Bath [mbath at ozemail.com.au]
Subject: aus-wx: Sydney Metting 13/02/98 - minutes
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com


A successful meeting was held in Sydney today. Attendees were: Michael
Bath, Jimmy Deguara, Michael Scollay, Michael Thompson, Matt Smith, Matthew
Piper, Keith Barnett, David Croan, Patrick Tobin, Grant Boyden, Daniel
Weatherhead, Darren Heys and Jeff Thurtell. Apologies received from Paul
Mossman.

A brief summary of agenda items discussed:
- ASWA not to be involved with financing Storm Chasing
- Hiring of cars for long storm chases - needs to be investigated
- Guidelines for chasing/hiring vehicles
- ASWA forms/disclaimer for joining ASWA
- disclaimer forms for participating in storm chases
- communications while on chase - mobile phones are working well in this
regard and cheap
- contacting participants prior to planned chases
- ASWA web site update: what will be on it
- Archiving of web data, particularly gmsd, gmsc images
- more logos presented - please send all logos to Matthew Piper by 28th
February, at which time a final vote will be made.
- Australian Geographic has been approached about an article on storm
chasing/ severe weather in Australia
- successful outcome from our last meeting regarding BoM/media distribution
of warnings: BoM is now emailing warnings to 2KY (and others?), shaving
about 20 mins off the broadcast delay
- discussion about storm forecasting tools on the web

We then enjoyed three storm chase videos:
- Sydney 13th November 1998 by Michael Bath, Jimmy Deguara
- NW Slopes and Plains 30th January 1999 by Michael Bath, Jimmy Deguara and
Matt Smith  - Yes folks we suspect a tornado was filmed west of Gunnedah
and it shows up well on the video!
- Illawarra Tablelands 14th December 1998 by Michael Thompson

The meeting commenced at 10.05am and finished at 1.45pm, with Maccas
afterwards.

If you would details of any of the points above, please contact me separate
to the list.

regards,
Michael
ASWA President.


*==========================================================*
 Michael Bath  Oakhurst, Sydney   mbath at ozemail.com.au
                 Australian Severe Weather
       http://australiansevereweather.simplenet.com/
*==========================================================*

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014

Date: Fri, 12 Feb 1999 10:46:42 +1100
From: Michael Scollay [michael.scollay at telstra.com.au]
Organization: Telstra Strategy & Research
X-Mailer: Mozilla 4.5 [en] (X11; I; SunOS 5.5.1 sun4m)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Perhaps some of you would like to view this linkon occasions
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I made a half-size animation of about 70 or so hourly images from
GMS-5/VIS some time ago and the life-cycle of each day as the Sun's
reflection moves makes for one hell of a movie. Touble is that the
size of this is nearly 30MB and the "midnight" images are pure white
with the ones either side just a slither of Earth. These are removed
from the animation giving an otherwise unnatural "jump". Detail &
contrast improves as the day progresses. I've since ignored these in
favour of the IR mapped satpics from NMPOC because of timeliness and
realiability. The 24hr animated sequence of images gives an amazing
weather evolution movie.

On the satpic detail stakes, while seaching for the primary NASA
distribution site, I traced the mirror path back as far as;

ftp://rsd.gsfc.nasa.gov/pub/Weather/GMS-5/gif/vis/4km/

This site also contains the true 4km compressed HDF format images. The
above "4km gifs" are somewhat misleading (see Extract below). The
image has been rendered from a true 4km HDF format image. HDF brings
out other features such as larger dams, snowy mountain plateaus and
coastal inlets but the files are well over 5MB each when uncompressed.
Please see the following extract from "README.resolution"

--- Begin README.resolution Extract---
Spatial resolution under the directories "4km" are not necessarily
4 kilometer. Here is a breakdown.
 
All HDF/GIF "4km" Infrared data are full resolution for all satellites 
All JPG IR/VIS and all HDF/GIF VIS "4km" data are subsampled - all
satellites
...
                        GMS-5
HDF GMS-5/hdf/???/4km
IR1 IR2 IR3             full resolution
VIS                     every 4th pixel/fourth line 
 
GIF GMS-5/gif/???/4km
IR1 IR2 IR3             full resolution 
VIS                     every 4th pixel/fourth line
 
JPG GMS-5/JPG/???/4km
VIS IR1 IR2 IR3         every 4th pixel/fourth line
...
Anything under */gif/mapped (GOES-8 and 9/GMS-5 only) is  
variable resolution, anywhere from full to 10km. 
 
I plan to get rid of of the 4km part of the directory 
structure as this is inaccurate and causes confusion.
 
Scott Gennari 
gennari at Hawaii.Edu
--- End README.resolution Extract ---

The other site with highres images is;

http://www.marine.csiro.au/~lband/storm/

Their images are 450 x 800 pixels over a much smaller area at a
claimed res of 1.1km x 1.1km. Whole Earth pics at this res would be
20MB+. CSIRO images are also from NOAA which is probably the same
satellite that Jimmy has noted.

I wonder if anyone knows what the primary GMS-5 images are and what
resolution they would go to. If you think about about it, this would
be the pick (excuse pun:-) if one had their own GMS-5 satellite
pickup:-) Then they'd be at worse, 30 minutes old rather than an hour
which is the best I can get on the 'net.

Michael Scollay

Jimmy Deguara wrote:
> 
[snip]
> >>
> >> For those who don't know of this new link, try this for the NOAA polar
> >> orbitor image of Australia each day
> >>
> >> http://psbsgi1.nesdis.noaa.gov:8080/PSB/IMAGES/wefax.html
> >
> >Hey Ben from Brisbane here..
> >
> >I thought this one was a great sat pic too, only just discovered it
> >myself
> >
> >ftp://cyclone.msfc.nasa.gov/Weather/GMS-5/jpg/vis/4km/
[snip]

Document: 990213.htm
Updated: 18th February, 1999

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