Storm News
[Index][Aussie-Wx]
Australian Weather Mailing List Archives: Wednesday, 26 May 1999

    From                                           Subject
--------------------------------------------------------------------------------------
001 "W.A. (Bill) Webb" [billwebb at tpgi.com.au]      Barometric Tide
002 Phil Bagust [paisley at cobweb.com.au]            SA rain record + forecasting woes
003 "Mark Hardy" [mhardy at magna.com.au]             (no subject)
004 "Craig Williams" [tincra at ecn.net.au]           Barometric Tide
005 Ben Quinn [bodie at flatrate.net.au]              State of Origin Wx
006 "Craig Williams" [tincra at ecn.net.au]           New tornado scale???
007 Les Crossan [les.crossan at virgin.net]           New tornado scale???
008 Matt Smith [disarm at braenet.com.au]             State of Origin Wx
009 Kevin Burrows [k.burrows at bom.gov.au]           SA rain record + forecasting woes
010 "Grant Boyden" [boyden at zeta.org.au]            New tornado scale???
011 Michael Scollay [michael.scollay at telstra.com.  A Basic Problem for the Bureau
012 wbc at ozemail.com.au (Laurier Williams)          SA rain record + forecasting woes
013 wbc at ozemail.com.au (Laurier Williams)          Barometric Tide
014 Blair Trewin [blair at met.Unimelb.EDU.AU]        SA rain record + forecasting woes
015 "Tim Homewood" [wonton at bigpond.com]            More free info from the US
016 vortex at wwdg.com                                Severe Wx off Mt. Gambier at the moment
017 Blair Trewin [blair at met.Unimelb.EDU.AU]        Severe Wx off Mt. Gambier at the moment
018 Phil Bagust [paisley at cobweb.com.au]            SA rain record + forecasting woes
019 "W.A. (Bill) Webb" [billwebb at tpgi.com.au]      Barometric Tide
020 Blair Trewin [blair at met.Unimelb.EDU.AU]        Severe squall warning for Melbourne - but you'd never know i
021 Chas & Helen Osborn [hosborn at tassie.net.au]    Strahan Tasmania
022 Norman Lynagh [lynagh at dial.pipex.com]          A Basic Problem for the Bureau
023 Keith Barnett [weather at ozemail.com.au]         Swell is up and sea fog
024 Keith Barnett [weather at ozemail.com.au]         State of Origin Wx
025 peter matters [pmatters at eck.net.au]            Squall line
026 Susan Puddifer [susanpud at sydney.healey.com.au  New tornado scale???
027 Anthony Cornelius [cyclone at rmitel.com.au]      State of Origin Wx
028 "Michael Thompson" [michaelt at ozemail.com.au]   New tornado scale???
029 "Michael Thompson" [michaelt at ozemail.com.au]   Swell is up and sea fog

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

From: "W.A. (Bill) Webb" [billwebb at tpgi.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Barometric Tide
Date: Wed, 26 May 1999 07:26:08 +1000
X-Mailer: Microsoft Outlook Express 4.72.2106.4
Sender: aussie-weather-approval at world.std.com
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-----Original Message-----
From: Chas & Helen Osborn [hosborn at tassie.net.au]
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Date: Tuesday, 25 May 1999 1:52 PM
Subject: aus-wx: Barometric Tide


>What I would like to know is what effect does lower air pressure have on
>producing a high tide? Most low pressure systems would not produce a air
>pressure below 990hpa how much of a rise would that cause?
>
>Chas
>Strahan Tasmania


Hi Chas,

SFA I would expect. Think how much the height of a column of water in a
glass tube would rise and fall in response to changes in atmospheric
pressure - same story.

Still, is a common misconception - many in NQ erroneously think the low
pressure of a cyclone contributes to the height of an accompanying storm
surge!

Take care,
Bill
Proserpine.

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002

X-Sender: paisley at mail.cobweb.com.au
Date: Wed, 26 May 1999 07:38:47 +0930
To: aussie-weather at world.std.com
From: Phil Bagust [paisley at cobweb.com.au]
Subject: Re: aus-wx: SA rain record + forecasting woes
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

In the 24hrs up til 9.00am yesterday (Tues) morning, Uraidla (in the
Adelaide hills) received 98.4mm.  This is certainly a May 24hr all time
record for this site, and might be a 24hr May record for any station in the
state.  I'd hate to see the 3 day totals - over 150mm methinks...

As far as the discussion re 5-7 day forecasts is concerned.  Surely the
most important thing the Bom can do is improve its response and warning
times for fast developing situations (ie April 14).  This is likely to be
far more benificial to most people (except possibly farmers) than knowing
what the weather's going to be in a weeks time.....

My 0.02c worth...

Phil 'Paisley' Bagust
paisley at cobweb.com.au
www.cobweb.com.au/~paisley


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003

X-Mailer: Microsoft Outlook Express Macintosh Edition - 4.5 (0410)
Date: Wed, 26 May 1999 08:14:22 -0812
Subject: Re: aus-wx: Forecasting problems
From: "Mark Hardy" [mhardy at magna.com.au]
To: aussie-weather at world.std.com
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Blair

Perhaps we could all chip in and buy it. Should be a bargain.

> 
> Blair Trewin
>
> (who is hoping that the proposed stockmarket float of the NZ
> MetService is a spectacular flop so that no-one here gets any ideas)
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004

From: "Craig Williams" [tincra at ecn.net.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Barometric Tide
Date: Wed, 26 May 1999 09:19:41 +1000
X-Mailer: Microsoft Outlook Express 5.00.2314.1300
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Hi Bill,
          I am not to sure if that is altogether true...from my
understanding of hydraulics, when a fluid is placed under pressure at one
point then it automatically moves to the area of lower pressure causing a
rise in height at that point...the actual low pressure doesn't cause it to
rise itself but the high pressure does....also the lower the pressure in one
area would cause the are of high to have greater effect.
           It is the same priciple that we use in drinking through a
straw....we lower the pressure in our mouths and the atmospheric pressure
does all the work and pushes the fluid up the straw for us....so if we look
at the planet as a glass of water and low pressure systems as someone with a
straw then I would say there would be an effect.
       Looking at the colomn of water in a tube wouldn't be a true
representation because you don't have the higher pressure areas working for
you to force the fluid up.
       I recall my physics teacher saying that there is no such thing as
suction, only a lowering of pressure.
       Definately food for thought...and as to how much the rise and fall
would be is a tricky one that now intrigues me....time for some study I
believe!

Cheers....Craig Williams

----- Original Message -----
From: W.A. (Bill) Webb [billwebb at tpgi.com.au]
To: [aussie-weather at world.std.com]
Sent: Wednesday, May 26, 1999 7:26 AM
Subject: Re: aus-wx: Barometric Tide


> Hi Chas,
>
> SFA I would expect. Think how much the height of a column of water in a
> glass tube would rise and fall in response to changes in atmospheric
> pressure - same story.
>
> Still, is a common misconception - many in NQ erroneously think the low
> pressure of a cyclone contributes to the height of an accompanying storm
> surge!
>
> Take care,
> Bill
> Proserpine.
>
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>  -----------------------jacob at iinet.net.au------------------------------
>

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005

Date: Wed, 26 May 1999 09:21:12 +1000
From: Ben Quinn [bodie at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win95; I)
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: State of Origin Wx
Sender: aussie-weather-approval at world.std.com
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Hey Ben from Brisbane (QUEENSLANDER!!!!!!!!!!!!!!) here..

Yeah Anthony, i think those in NSW (Sydney particularly) can expect some
footballer size hail sometime on Thursday? Cause they'll be falling from
the sky after we kick their backsides out of the football stadium..

QUEENSLANDER!!!!!!!!!!!!!!!!!!!

Please god let us win.. hehe

Anthony Cornelius wrote:
> 
> Hi all!
> 
> Well...it looks like we could be in for some thunderies
> tomorrow....hmmm.....thunderies/State of Origin.....thunderies/State of
> Origin........this is a toughy!  As long as there's no thunderies on
> Lang Park, that'll be ok :)
> 
> Some possible storms way out west tonight (near Gondonwindi) I'm
> certainly hoping they'll happen...LI's will be marginally negaitve (-2
> is the lowest) tomorrow, but the NE winds + beloved border ranges should
> hopefully help...at 06z, AVN has a weakish line of
> convergence/confluence to our SW, perhaps a little further SW then I'd
> like it, but at least it's there!
> 
> Providing the models are right and from my judgement, I'm not expecting
> anything major, scattered thunderies though should be a good
> possibility.
> 
> Meanwhile...GO QUEENSLAND!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> Providing as NSW has 13 guys instead of 14, we should do some major  at __
> kicking :-)
> 
> Anthony 'QUEENSLANDER!!!!!!!!!!!!!!!!!!!!!!!!' Cornelius
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006

From: "Craig Williams" [tincra at ecn.net.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: New tornado scale???
Date: Wed, 26 May 1999 09:24:42 +1000
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Hi,
Maybe a scale for the Aussie media would be.....

B-O:  Mini-Tornado
B-1:   Mini-Tornado
B-2:   Mini-Tornado
B-3:   Mini-Tornado
B-4:   Mini-Tornado
B-5:   Mini-Tornado

Cheers....Craig Williams

----- Original Message -----
From: [vortex at wwdg.com]
To: [aussie-weather at world.std.com]
Sent: Tuesday, May 25, 1999 3:36 PM
Subject: aus-wx: New tornado scale???


> Hey All. Found this on WX-Chase
>
> B-O:  "lookit thet dust devil"
> B-1:   "Gol-dang!  lookit thet dust devil"
> B-2:   "Maw!  Come lookit this dust devil"
> B-3:   "Son! lookit thet dust devil - Close the truck windows"
> B-4:   "DAMN thet's a bigass dust devil"
> B-5:   "Lookit thet dust devil - it done got ole Yella.
>
> Maybe the media is using this scale instead of the Fujita scale???
>
> Paul Yole
> 2 McDonald Street
> Murtoa.  Vic. 3390
> Australia
> Phone: (035) 385 2699
> Mobile: 0419 367 920
> Email: vortex at wwdg.com
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>  -----------------------jacob at iinet.net.au------------------------------
>

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007

Date: Tue, 25 May 1999 23:45:23 +0100
From: Les Crossan [les.crossan at virgin.net]
Organization: Personal - ICQ 17296776 - note all times in GMT
X-Mailer: Mozilla 4.6 [en] (Win98; I)
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: New tornado scale???
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com



Craig Williams wrote:

> Hi,
> Maybe a scale for the Aussie media would be.....
>
> B-O:  Mini-Tornado
> B-1:   Mini-Tornado
> B-2:   Mini-Tornado
> B-3:   Mini-Tornado
> B-4:   Mini-Tornado
> B-5:   Mini-Tornado
>

*OR*

B-0 Very Rare  whirlwind
B-1 Very Freak whirlwind
B-2 Rare  whirlwind
B-3 Freak whirlwind
B-4 Freak, rare whirlwind
B-5 Rare, freak whirlwind

(:

Les

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008

X-Sender: disarm at mail.braenet.com.au
X-Mailer: Windows Eudora Pro Version 3.0 (32)
Date: Wed, 26 May 1999 10:11:15 +1000
To: aussie-weather at world.std.com
From: Matt Smith [disarm at braenet.com.au]
Subject: Re: aus-wx: State of Origin Wx
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Ben Ben Ben

Anyone who attends tonights Weatherwatch meeting here in Sydney i think is
going to miss the match :( Someone should be shot for putting the meeting
on as the same night as the S of O

Hope the match goes well Ben! ;)

Matt Smith
(see everyone at the meeting tonight *sigh*)

>Hey Ben from Brisbane (QUEENSLANDER!!!!!!!!!!!!!!) here..
>
>Yeah Anthony, i think those in NSW (Sydney particularly) can expect some
>footballer size hail sometime on Thursday? Cause they'll be falling from
>the sky after we kick their backsides out of the football stadium..
>
>QUEENSLANDER!!!!!!!!!!!!!!!!!!!
>
>Please god let us win.. hehe
>
>Anthony Cornelius wrote:
>> 
>> Hi all!
>> 
>> Well...it looks like we could be in for some thunderies
>> tomorrow....hmmm.....thunderies/State of Origin.....thunderies/State of
>> Origin........this is a toughy!  As long as there's no thunderies on
>> Lang Park, that'll be ok :)
>> 
>> Some possible storms way out west tonight (near Gondonwindi) I'm
>> certainly hoping they'll happen...LI's will be marginally negaitve (-2
>> is the lowest) tomorrow, but the NE winds + beloved border ranges should
>> hopefully help...at 06z, AVN has a weakish line of
>> convergence/confluence to our SW, perhaps a little further SW then I'd
>> like it, but at least it's there!
>> 
>> Providing the models are right and from my judgement, I'm not expecting
>> anything major, scattered thunderies though should be a good
>> possibility.
>> 
>> Meanwhile...GO QUEENSLAND!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>> Providing as NSW has 13 guys instead of 14, we should do some major  at __
>> kicking :-)
>> 
>> Anthony 'QUEENSLANDER!!!!!!!!!!!!!!!!!!!!!!!!' Cornelius
>>  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>  To unsubscribe from aussie-weather send e-mail to:majordomo at world.std.com
>>  with "unsubscribe aussie-weather your_email_address" in the body of your
>>  message.
>>  -----------------------jacob at iinet.net.au------------------------------
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>
>
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009

X-Sender: kburrows at saserver
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Date: Wed, 26 May 1999 09:52:03 +0900
To: aussie-weather at world.std.com
From: Kevin Burrows [k.burrows at bom.gov.au]
Subject: Re: aus-wx: SA rain record + forecasting woes
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

At 07:38 26/05/1999 +0930, you wrote:
>In the 24hrs up til 9.00am yesterday (Tues) morning, Uraidla (in the
>Adelaide hills) received 98.4mm.  This is certainly a May 24hr all time
>record for this site, and might be a 24hr May record for any station in the
>state.  I'd hate to see the 3 day totals - over 150mm methinks...
>
The previous highest one day fall at Uraidla was 88.9mm on 17 May 1898.
The three day total to 9am 17 May 1898 was 159.7mm.

The three day total to 9am 25 May 1999 at Uraidla was 158.4mm

Highest May rainfall for Uraidla is 408.4mm in 1917.  To 9am on 25 May 1999
Uraidla has had 251.8mm.

Kevin Burrows

*********************************************************************
* Kevin Burrows                          *                          *
* Meteorologist                          *   PO Box 421             *
* Climate and Consultative Services      *   Kent Town              *
* South Australian Regional Office       *   South Australia 5071   *
* Bureau of Meteorology                  *                          *
*                                        *   Phone: (08) 8366 2691  *
* internet: k.burrows at bom.gov.au         *   Fax:   (08) 8366 2693  *
*********************************************************************
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010

From: "Grant Boyden" [boyden at zeta.org.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: New tornado scale???
Date: Wed, 26 May 1999 10:27:05 +1000
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Hehehe.

Very cute.



******************************************
Grant Boyden

http://www.zeta.org.au/~boyden
http://www.2ky.com.au

******************************************

----------
> From: Craig Williams 
> To: aussie-weather at world.std.com
> Subject: Re: aus-wx: New tornado scale???
> Date: Wednesday, 26 May 1999 9:24
> 
> Hi,
> Maybe a scale for the Aussie media would be.....
> 
> B-O:  Mini-Tornado
> B-1:   Mini-Tornado
> B-2:   Mini-Tornado
> B-3:   Mini-Tornado
> B-4:   Mini-Tornado
> B-5:   Mini-Tornado
> 
> Cheers....Craig Williams
> 
> ----- Original Message -----
> From: 
> To: 
> Sent: Tuesday, May 25, 1999 3:36 PM
> Subject: aus-wx: New tornado scale???
> 
> 
> > Hey All. Found this on WX-Chase
> >
> > B-O:  "lookit thet dust devil"
> > B-1:   "Gol-dang!  lookit thet dust devil"
> > B-2:   "Maw!  Come lookit this dust devil"
> > B-3:   "Son! lookit thet dust devil - Close the truck windows"
> > B-4:   "DAMN thet's a bigass dust devil"
> > B-5:   "Lookit thet dust devil - it done got ole Yella.
> >
> > Maybe the media is using this scale instead of the Fujita scale???
> >
> > Paul Yole
> > 2 McDonald Street
> > Murtoa.  Vic. 3390
> > Australia
> > Phone: (035) 385 2699
> > Mobile: 0419 367 920
> > Email: vortex at wwdg.com
> > 
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your
> >  message.
> > 
-----------------------jacob at iinet.net.au------------------------------
> >
> 
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011

Date: Wed, 26 May 1999 10:51:06 +1000
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)
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: A Basic Problem for the Bureau
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Laurier Williams wrote on Tue, 25 May 1999 09:48:16 GMT:
> 
> > Michael Scollay wrote on Tue, 25 May 1999 17:31:26 +1000
> >
> > > ...Merely, that the BoM could benefit greatly by opening 
> > > its doors initially in a selective manner, then leaving 
> > > them as wide open as the US NWS when they are more 
> > > comfortable. Such a policy can only improve media and 
> > > public perception of their product when it is compared 
> > > side-by-side with comparable product from orgs like 
> > > "The Weather Company"... 
>
> On Tue, 25 May 1999 17:48:58 +1000 (EST), Blair Trewin
>  wrote:
> 
> > There's actually an issue here which goes far beyond the Bureau -
> > that of the Government's attitude to its information. The US takes
> > the approach that information collected with taxpayers' money is
> > public property and should be freely available - US government
> > publications are not copyright, for example. It would be nice if
> > the Australian government took a similar view, but that's something
> > well outside the Bureau's power to determine.
> >
> Not quite. The executive of the Bureau is at this moment finalising
> its Basic Products Set and Secondary Distribution policies...
>
[ great info snipped ]
>
> A free society is also a society in which you don't have to be wealthy
> to afford the public information generated with public money, or
> scared of the legal consequences of using it.

That's a really important principle Laurier. I've come around from
an ignorant view of intellectual property protection to one where
the best product shall hopefully be adopted and easily altered when
better products are available. In the former model, eventually there
are only losers. In the latter model, there is the potential for 
lots of winners and consequent sharing of the "wealth" generated.

The Federal Government's proposed Internet censorship legislation
is one hot case in point. Despite advice to the contrary by US
Senators (yesterday's AFR), the fact that the legislation cannot
be enforced because of more loopholes than a packet of fruit-loops, 
they battle-on in spite. We shall see, but this is the result of an 
endemic Aussie attitude to "overly protect". In making this
generalisation, I must also point out that the Internet is one
vehicle serving to alter this damaging endemic attitude.

When will we all realise that "the data" is probably only 20-40%
of the "real" Intellectual Property, if that. The rest is locked
inside the heads of people. That's where our real IP investment
lies. Thus, an "open data and software" policy can only serve to 
enhance the intellectual and product results as a consequence.

Michael Scollay       mailto:michael.scollay at telstra.com.au
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012

From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: SA rain record + forecasting woes
Date: Wed, 26 May 1999 01:02:30 GMT
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On Wed, 26 May 1999 07:38:47 +0930, Phil Bagust
 wrote:

>Hi all,
>
>In the 24hrs up til 9.00am yesterday (Tues) morning, Uraidla (in the
>Adelaide hills) received 98.4mm.  This is certainly a May 24hr all time
>record for this site, and might be a 24hr May record for any station in the
>state.  I'd hate to see the 3 day totals - over 150mm methinks...
>
I haven't done an exhaustive search, but Uraidla's three day total was
158.4, Heathfield 143.6, Mt Lofty summit 140.1 and Lenswood 136.6.
Strangely, Mt Barker, usually pretty wet in these conditions, recorded
only 61.8 (24.0, 13.8, 24.0). 

The highest 24 hour totals for May I can find in my database (limited
to climatological stations) are: for the Adelaide area (rainfall
district 23) 81.5 at Mt Barker and 81.3 at Stirling, and for the whole
of SA 181.0 at Waikerie Council. 

>As far as the discussion re 5-7 day forecasts is concerned.  Surely the
>most important thing the Bom can do is improve its response and warning
>times for fast developing situations (ie April 14).  This is likely to be
>far more benificial to most people (except possibly farmers) than knowing
>what the weather's going to be in a weeks time.....
>
I think both are important. From a management viewpoint, many weather
dependent industries will benefit from pushing the envelope for
routine forecasts out to a week, simply because it helps their
planning. As you say, this is particularly the case for farmers, but
many other industries are now becoming more aware of the usefulness of
incorporating weather outlooks and climatology into their risk
management strategies -- e.g. energy sales organisations (electricity,
gas), tourism industry, ice cream distribution. 


-- 
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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013

From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Barometric Tide
Date: Wed, 26 May 1999 01:02:28 GMT
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On Wed, 26 May 1999 07:26:08 +1000, "W.A. (Bill) Webb"
 wrote:


>Still, is a common misconception - many in NQ erroneously think the low
>pressure of a cyclone contributes to the height of an accompanying storm
>surge!

Not a misconception, Bill. Storm surges are one of the most
life-threatening aspects of tropical and extra-tropical cyclones, and
are caused by (a) the effects of continued wind "piling up" water onto
a coastline, (b) the shape of a coastline in funnelling and enhancing
the "piling up" effect, and (c) the greater height of the whole body
of water due to low atmospheric pressure. 

It doesn't only happen in tropical cyclones, either. The 1952(?) North
Sea surge which caused massive flooding down the east coast of England
was due to a deep near-stationary low north of Scotland bringing days
of strong northerly winds across the North Sea. The low pressure
(around 970hPa on the east coast) together with the wind piling water
into the narrowing southern section of the North Sea, resulted in
exceptionally high tides, broken sea defences, and breaking waves
running many km inlands.

-- 
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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014

From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: Re: aus-wx: SA rain record + forecasting woes
To: aussie-weather at world.std.com
Date: Wed, 26 May 1999 11:25:57 +1000 (EST)
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> 
> On Wed, 26 May 1999 07:38:47 +0930, Phil Bagust
>  wrote:
> 
> >Hi all,
> >
> >In the 24hrs up til 9.00am yesterday (Tues) morning, Uraidla (in the
> >Adelaide hills) received 98.4mm.  This is certainly a May 24hr all time
> >record for this site, and might be a 24hr May record for any station in the
> >state.  I'd hate to see the 3 day totals - over 150mm methinks...
> >
> I haven't done an exhaustive search, but Uraidla's three day total was
> 158.4, Heathfield 143.6, Mt Lofty summit 140.1 and Lenswood 136.6.
> Strangely, Mt Barker, usually pretty wet in these conditions, recorded
> only 61.8 (24.0, 13.8, 24.0). 
> 
> The highest 24 hour totals for May I can find in my database (limited
> to climatological stations) are: for the Adelaide area (rainfall
> district 23) 81.5 at Mt Barker and 81.3 at Stirling, and for the whole
> of SA 181.0 at Waikerie Council. 

Also 197mm on the same day (9 May 1989) at Waikerie (Ramco).

This must have been a very isolated event - six sites within a 10km
radius of Waikerie topped 100mm, but nowhere outside this radius got
more than 15.

(Guess what's now going to be the historical event I write up in
my column in the next AMOS Bulletin?)

Blair Trewin
> >As far as the discussion re 5-7 day forecasts is concerned.  Surely the
> >most important thing the Bom can do is improve its response and warning
> >times for fast developing situations (ie April 14).  This is likely to be
> >far more benificial to most people (except possibly farmers) than knowing
> >what the weather's going to be in a weeks time.....
> >
> I think both are important. From a management viewpoint, many weather
> dependent industries will benefit from pushing the envelope for
> routine forecasts out to a week, simply because it helps their
> planning. As you say, this is particularly the case for farmers, but
> many other industries are now becoming more aware of the usefulness of
> incorporating weather outlooks and climatology into their risk
> management strategies -- e.g. energy sales organisations (electricity,
> gas), tourism industry, ice cream distribution. 
> 
> 
> -- 
> Laurier Williams
> Australian Weather Links and News
> http://www.ozemail.com.au/~wbc/
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> 

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015

From: "Tim Homewood" [wonton at bigpond.com]
To: [aussie-weather at world.std.com]
Subject: aus-wx: More free info from the US
Date: Wed, 26 May 1999 11:45:24 +1000
X-Mailer: Microsoft Outlook Express 4.72.3110.1
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NASA has justed announced a new web site for info on the cosmos.  Not
strictly a weather site, however it's all connected isn't it?

I was particularly amused by the description in the Wired News article
(http://www.wired.com/news/news/email/member/technology/story/19859.html)

"It's meant for the science-attentive audience," said John Horack, director
of science at Marshall Space Flight Center in Huntsville, Alabama, where the
Web site will be maintained. "That's the 10 to 15 percent of the American
population really interested in science, but not nerdy enough to sit in
front of the Weather Channel all day." !!!

The URL:

http://HubbleConstant.com

The following comment was relevant to the ongoing discussion on public
obligations of public bodies.

"The site's philosophy is this: Since taxpayers have footed the bill for the
information gathering, they should have easy access to the results."

I'm interested in public aviation weather info on the Internet.  Currently
I'm using US software to collect data from the NOAA to provide a graphical
representation on a web page of current conditions at Melbourne
International Airport.  It seems Australian government generally doesn't get
the Internet, and I continue to look overseas (the US) for the best public
resources available.

__Non-technical Weather Report for Elwood, Victoria__

"A light breeze from the north, a little bit cool, grey sky with a few of
those small puffy clouds on the horizon.  No rain"

Cheers,

Tim
--
won ton soup
http://www.wontonsoup.com/
multimedia and web site design
tel: +61-3-9531-5021
fax: +61-3-9531-2924
mob: +61-417-570-981
------------------------------------------------


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016

From: vortex at wwdg.com
Date: Tue, 25 May 1999 19:53:36 -0600
To: aussie-weather at world.std.com
Subject: aus-wx: Severe Wx off Mt. Gambier at the moment
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hey all,

Line of showers off the coast near Mt. Gambier at the moment. Looks like Hamilton will possibly get something. Unfortunately, Don't think we'll get anything up around the Horsham area, but keeping my fingers crossed. the bureau has a warning out for the Mt. Gambier area at the moment.

IDW16S02

PRIORITY - FOR BROADCAST AS SOON AS POSSIBLE

SEVERE WIND ADVICE
Bureau of Meteorology Adelaide
Issued at 10.20 am on Wednesday, 26/05/99
For people in the Lower South East district.

Severe winds gusts are possible with a line of showers moving
over the Lower South East between now and midday.

Localised damage is possible and people are advised to take
precautions, such as to secure loose outside objects.



Paul Yole
2 McDonald Street
Murtoa.  Vic. 3390
Australia
Phone: (035) 385 2699
Mobile: 0419 367 920
Email: vortex at wwdg.com
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017

From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: Re: aus-wx: Severe Wx off Mt. Gambier at the moment
To: aussie-weather at world.std.com
Date: Wed, 26 May 1999 12:01:25 +1000 (EST)
X-Mailer: ELM [version 2.4 PL23]
Sender: aussie-weather-approval at world.std.com
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> 
> Hey all,
> 
> Line of showers off the coast near Mt. Gambier at the moment. Looks like Hamilton will possibly get something. Unfortunately, Don't think we'll get anything up around the Horsham area, but keeping my fingers crossed. the bureau has a warning out for the Mt. Gambier area at the moment.
> 
This is one of the best-defined squall lines I've seen for a while.
Worth watching.

Blair Trewin
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018

X-Sender: paisley at mail.cobweb.com.au
Date: Wed, 26 May 1999 13:50:29 +0930
To: aussie-weather at world.std.com
From: Phil Bagust [paisley at cobweb.com.au]
Subject: Re: aus-wx: SA rain record + forecasting woes
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com


>Highest May rainfall for Uraidla is 408.4mm in 1917.  To 9am on 25 May 1999
>Uraidla has had 251.8mm.
>
>Kevin Burrows

Interesting!  Damp!  Any idea what the synoptic scenario was like back
then? (I guess the charts were fairly primitive in those days)

Phil 'Paisley' Bagust
paisley at cobweb.com.au
www.cobweb.com.au/~paisley


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019

From: "W.A. (Bill) Webb" [billwebb at tpgi.com.au]
To: "Aussie Weather Net" [aussie-weather at world.std.com]
Subject: aus-wx: Barometric Tide
Date: Wed, 26 May 1999 15:52:08 +1000
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Hi again Chas, Laurier, Craig and all

Thanks for the explanations.

On reflection, a bad choice of words on my part. Craig and Laurier are right
of course in their analyses. I guess my comment is related to "degree" of
effect on tide/storm surge heights.

I recently ran/hosted a series of "Managing for Climate" (QDPI/BoM)
workshops for primary producers, and one producer asked the question of the
BoM presenter in regard to surges. The answer had some numbers attached to
it, which I cannot recall and did not record. The gist of the answer, as I
do recall, was "very little effect". So while agreeing entirely with
Laurier's points a, b, and c, I see c as the least important.

Time for me to do some study too Craig!

Bill
Proserpine

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020

From: Blair Trewin [blair at met.Unimelb.EDU.AU]
Subject: aus-wx: Severe squall warning for Melbourne - but you'd never know it from the radio
To: aussie-weather at world.std.com (Aussie Weather)
Date: Wed, 26 May 1999 16:45:48 +1000 (EST)
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The squall line which has been progressing across Victoria all 
afternoon is approaching Melbourne. It has reintensified somewhat
on the radar, with an area of 10-20 mm/hr near Geelong. We could be 
in for some fun and games.

The warning notes possible winds to 95 km/h.

However, you would never know this was happening if you were listening
to FM radio in Melbourne. I have been doing some channel-surfing 
since the warning was issued at 1555 and no FM station has yet 
mentioned the severe squall warning in their weather reports, 50
minutes later. In the light of the Sydney hailstorm kerfuffle this
is a singularly inglorious performance by the media. (The ABC,
commendably, broadcast the warning 15 minutes after it was issued, 
which is the sort of timescale I'd consider reasonable).

Blair Trewin
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021

Date: Wed, 26 May 1999 17:18:50 +1000
From: Chas & Helen Osborn [hosborn at tassie.net.au]
X-Mailer: Mozilla 4.51 [en] (Win98; I)
X-Accept-Language: en
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Strahan Tasmania
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hello Everyone

Just had the cold front pass through at about 4.30pm local time.  The
wind is now in the southwest at 23 knots with gusts to 33 knots and a
gale warning is current for all Tasmanian waters. There was a flash of
lightning to the south and we have had 11mm of rain since 9am and one
shower a small amount of hail. Snow is forecast for the highest peaks
tonight.

Chas
Strahan Tasmania


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022

Date: Wed, 26 May 1999 09:33:43 +0100
To: aussie-weather at world.std.com
From: Norman Lynagh [lynagh at dial.pipex.com]
Subject: Re: aus-wx: A Basic Problem for the Bureau
X-Mailer: Turnpike (32) Version 4.00  
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In message <374b61f9.9687041 at smtp.ozemail.com.au>, Laurier Williams
 writes


> 
>
>The tool used to decide whether a Bureau "product" is freely available
>or cost recovery is a document known as the Basic Product Set. All
>products listed on this document are freely available and may be
>freely used (though attribution to the Bureau is required). Everything
>not on it is cost recovery. So, for example, hourly AWS observations
>may be in the Basic Product Set, but obs more frequently than one hour
>may not. Daily "telegraphic" rainfall reports may be in, but monthly
>returns from postal rainfall stations may be out. 256km radar may be
>in, but 1024km radar may be out. We will know then the document is
>publicly available, possibly in a few days time.
>


>
>Unfortunately, wherever the lines in the sand are drawn between Basic
>and non-Basic, there will be problems; in particular problems of
>equity. This is why the US model, in which there are no lines -- all
>data is freely available (possibly at extraction cost), is in the
>public domain, and may be discussed, exchanged and used freely -- is
>the model we should press hard to adopt. 
>

The Basic/non-Basic split is what is currently used in Europe with each
country arbitrarily deciding where the line is drawn, subject to the
requirements of WMO Resolution 40. The system has generated a great deal
of bad feeling and conflict and there has been a fair bit of legal
activity. Sometimes I think the lawyers are the only real winners!

Norman.
=====================================================================
Norman Lynagh Weather Consultancy            Tel:  +44 (0)1494 870220
18 Kings Road                                Fax:  +44 (0)1494 870221
Chalfont St. Giles                      E-mail: lynagh at dial.pipex.com
Buckinghamshire  HP8 4HS
England
=====================================================================
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023

Date: Wed, 26 May 1999 19:06:19 +1000
From: Keith Barnett [weather at ozemail.com.au]
X-Mailer: Mozilla 4.6 [en] (Win95; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Swell is up and sea fog
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

For comparative interest, year to date rainfall at North Seven Hills is
429.8 mm which is 92% of the average but for May there have only been
19.4mm which is about the 33rd percentile of May rainfall over 50 years.
Michael ,did you get any stationary wave clouds down your way today?
Being home with a mild dose of the black plague I thought I could see
(partially obscured) some stationary cirrostratus up to about 1 pm that
looked to be over the Illawarra..

Michael Thompson wrote:
> 
> The swell on the Illawarra coast has been rising most of the day, presently
> 12-15ft from E/NE. Very light but persistent sea fog today, with a light NE
> wind at seashore.
> 
> Large NE swells often cause upwelling and colder sea surface temperatures
> just inshore. I have seen 17C in the middle of February with a cyclone
> swell. I suspect a similar figure at present although I am unable to verify
> my gut feeling as the latest Many Hydraulics sea temperature map has cloud
> cover near our coast.
> 
> The Illawarra seemed to miss most of the rain ( again ) in the last few days
> with less than 5mm at my home, we are actually well short on rainfall for
> the year to date !
> 
> Michael Thompson
> http://thunder.simplenet.com
> 
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024

Date: Wed, 26 May 1999 19:08:44 +1000
From: Keith Barnett [weather at ozemail.com.au]
X-Mailer: Mozilla 4.6 [en] (Win95; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: State of Origin Wx
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

We will try not to let the Queensland flag flying from the Sydney
Harbour Bridge to replace standard BoM wind direction equipment..should
you win, of course...

Ben Quinn wrote:
> 
> Hey Ben from Brisbane (QUEENSLANDER!!!!!!!!!!!!!!) here..
> 
> Yeah Anthony, i think those in NSW (Sydney particularly) can expect some
> footballer size hail sometime on Thursday? Cause they'll be falling from
> the sky after we kick their backsides out of the football stadium..
> 
> QUEENSLANDER!!!!!!!!!!!!!!!!!!!
> 
> Please god let us win.. hehe
> 
> Anthony Cornelius wrote:
> >
> > Hi all!
> >
> > Well...it looks like we could be in for some thunderies
> > tomorrow....hmmm.....thunderies/State of Origin.....thunderies/State of
> > Origin........this is a toughy!  As long as there's no thunderies on
> > Lang Park, that'll be ok :)
> >
> > Some possible storms way out west tonight (near Gondonwindi) I'm
> > certainly hoping they'll happen...LI's will be marginally negaitve (-2
> > is the lowest) tomorrow, but the NE winds + beloved border ranges should
> > hopefully help...at 06z, AVN has a weakish line of
> > convergence/confluence to our SW, perhaps a little further SW then I'd
> > like it, but at least it's there!
> >
> > Providing the models are right and from my judgement, I'm not expecting
> > anything major, scattered thunderies though should be a good
> > possibility.
> >
> > Meanwhile...GO QUEENSLAND!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> > Providing as NSW has 13 guys instead of 14, we should do some major  at __
> > kicking :-)
> >
> > Anthony 'QUEENSLANDER!!!!!!!!!!!!!!!!!!!!!!!!' Cornelius
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025

Date: Wed, 26 May 1999 19:50:06 +1000
From: peter matters [pmatters at eck.net.au]
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To: aussie-weather at world.std.com
Subject: aus-wx: Squall line
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

I have tracked the squall line from Geelong to Seymour on radar.
Unfortunately, as it interacted with the land north-east of Melbourne,
it rapidly disipated - with a 3mm/Hr sprinkle north of Wallan.  If
anyone wants an animated Gif of the radar sequence as I saved it, please
let me know on "aussie-weather" or email me at pmatters at eck.net.au

Cheers Peter

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026

Date: Tue, 25 May 1999 20:37:44 +1000
From: Susan Puddifer [susanpud at sydney.healey.com.au]
X-Mailer: Mozilla 4.05 (Macintosh; I; PPC)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: New tornado scale???
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Reply-To: aussie-weather at world.std.com

or how about:

B-0:      weak sort of circular type wind thing
B-1:      not quite so weak sort of circular type wind thing
B-2:      a moderate sort of circular type wind thing
B-3:      an average sort of circular type wind thing
B-4:      a bit stronger than average sort of circular type wind thing
B-5:      a sort of circular type wind thing that totally destroyed
everything in its path -           somewhat similar to those tornado things
they get in the USA but it
            couldn't be one because EVERYONE knows Australia doesn't get them

Les Crossan wrote:

> Craig Williams wrote:
>
> > Hi,
> > Maybe a scale for the Aussie media would be.....
> >
> > B-O:  Mini-Tornado
> > B-1:   Mini-Tornado
> > B-2:   Mini-Tornado
> > B-3:   Mini-Tornado
> > B-4:   Mini-Tornado
> > B-5:   Mini-Tornado
> >
>
> *OR*
>
> B-0 Very Rare  whirlwind
> B-1 Very Freak whirlwind
> B-2 Rare  whirlwind
> B-3 Freak whirlwind
> B-4 Freak, rare whirlwind
> B-5 Rare, freak whirlwind
>
> (:
>
> Les
>
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>  -----------------------jacob at iinet.net.au------------------------------



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--------------------------------------------------------------------------------------
027

Date: Wed, 26 May 1999 21:51:16 +1000
From: Anthony Cornelius [cyclone at rmitel.com.au]
X-Mailer: Mozilla 4.5 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: State of Origin Wx
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

9am Sydney obs:

Cloudy, maroon tinge in the sky :-))))

WE WON!!!!!!!!!!!!!!!!!  (Sorry to gloat NSW guys!)

but "QUEENSLANDER!!!!!!!!!!!!!!" :-)))))))))

A very happy "QUEENSLANDER!!!!!!!!!!!!!!" Anthony Cornelius :-

Keith Barnett wrote:
> 
> We will try not to let the Queensland flag flying from the Sydney
> Harbour Bridge to replace standard BoM wind direction equipment..should
> you win, of course...
> 
> Ben Quinn wrote:
> >
> > Hey Ben from Brisbane (QUEENSLANDER!!!!!!!!!!!!!!) here..
> >
> > Yeah Anthony, i think those in NSW (Sydney particularly) can expect some
> > footballer size hail sometime on Thursday? Cause they'll be falling from
> > the sky after we kick their backsides out of the football stadium..
> >
> > QUEENSLANDER!!!!!!!!!!!!!!!!!!!
> >
> > Please god let us win.. hehe
> >
> > Anthony Cornelius wrote:
> > >
> > > Hi all!
> > >
> > > Well...it looks like we could be in for some thunderies
> > > tomorrow....hmmm.....thunderies/State of Origin.....thunderies/State of
> > > Origin........this is a toughy!  As long as there's no thunderies on
> > > Lang Park, that'll be ok :)
> > >
> > > Some possible storms way out west tonight (near Gondonwindi) I'm
> > > certainly hoping they'll happen...LI's will be marginally negaitve (-2
> > > is the lowest) tomorrow, but the NE winds + beloved border ranges should
> > > hopefully help...at 06z, AVN has a weakish line of
> > > convergence/confluence to our SW, perhaps a little further SW then I'd
> > > like it, but at least it's there!
> > >
> > > Providing the models are right and from my judgement, I'm not expecting
> > > anything major, scattered thunderies though should be a good
> > > possibility.
> > >
> > > Meanwhile...GO QUEENSLAND!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> > > Providing as NSW has 13 guys instead of 14, we should do some major  at __
> > > kicking :-)
> > >
> > > Anthony 'QUEENSLANDER!!!!!!!!!!!!!!!!!!!!!!!!' Cornelius
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> > >  message.
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--------------------------------------------------------------------------------------
028

From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: New tornado scale???
Date: Wed, 26 May 1999 17:38:00 +1000
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
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Or perhaps our media would prefer --

Bo - Southerly Buster
B1 - Whirly Whirly
B2 - Willy Willy
B2 - Mini Tornado
B4 - Mini Cyclone
B5 - Small Tornado like funnell.

> B-O:  Mini-Tornado
> B-1:   Mini-Tornado
> B-2:   Mini-Tornado
> B-3:   Mini-Tornado
> B-4:   Mini-Tornado
> B-5:   Mini-Tornado
>
> Cheers....Craig Williams
>
> ----- Original Message -----
> From: 
> To: 
> Sent: Tuesday, May 25, 1999 3:36 PM
> Subject: aus-wx: New tornado scale???
>
>
> > Hey All. Found this on WX-Chase
> >
> > B-O:  "lookit thet dust devil"
> > B-1:   "Gol-dang!  lookit thet dust devil"
> > B-2:   "Maw!  Come lookit this dust devil"
> > B-3:   "Son! lookit thet dust devil - Close the truck windows"
> > B-4:   "DAMN thet's a bigass dust devil"
> > B-5:   "Lookit thet dust devil - it done got ole Yella.
> >
> > Maybe the media is using this scale instead of the Fujita scale???
> >
> > Paul Yole
> > 2 McDonald Street
> > Murtoa.  Vic. 3390
> > Australia
> > Phone: (035) 385 2699
> > Mobile: 0419 367 920
> > Email: vortex at wwdg.com
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to:majordomo at world.std.com
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your
> >  message.
> >  -----------------------jacob at iinet.net.au------------------------------
> >
>
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>


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029

From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Swell is up and sea fog
Date: Wed, 26 May 1999 22:17:36 +1000
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Unfortunately I was in meetings most of day, in one of those horrible rooms
where there are no uncovered windows. There was a light - moderate west wind
this morning, but it was dead calm by sunset. The cirrostratus was very
thick at sunset.

Wave clouds are very common here in winter so I would not be surprised.

In regard to rainfall, the last three months decile map at the Bureau show
the light blue above average stopping just south of Port Hacking, whilst the
map for May so far shows the far south coast of NSW has missed just about
everything.

Michael


> Michael ,did you get any stationary wave clouds down your way today?
> Being home with a mild dose of the black plague I thought I could see
> (partially obscured) some stationary cirrostratus up to about 1 pm that
> looked to be over the Illawarra..
>



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Document: 990526.htm
Updated: 11 June 1999

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