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

    From                                           Subject
--------------------------------------------------------------------------------------
001 bouncer84 at tpgi.com.au                          Cloud Mass thickening
002 wbc at ozemail.com.au (Laurier Williams)          Bundaberg storms
003 Ben Quinn [bodie at flatrate.net.au]              Bundaberg rain
004 Ben Quinn [bodie at flatrate.net.au]              Pictures
005 Paul Mossman [paulmoss at tpgi.com.au]            Remember its daylight savings tonight
006 Jacob [jacob at iinet.net.au]                     Remember its daylight savings tonight
007 Michael Fewings [mike at strikeone.com.au]        Bead lightning
008 Paul Graham [tornado at hobbiton.org]             Large Storm Cell, NSW NW...
009 "Michael Thompson" [michaelt at ozemail.com.au]   Large Storm Cell, NSW NW...
010 Ira Fehlberg [jra at upnaway.com]                 Bead lightning
011 Chris Maunder [cmaunder at mail.com]              Bead lightning
012 Paul Mossman [paulmoss at tpgi.com.au]            Severe TS advice
013 Michael Fewings [mike at strikeone.com.au]        Bid on a cyclone
014 Ira Fehlberg [jra at upnaway.com]                 WA chaser Nathan Howes chase/wall cloud pics!
015 Chas & Helen Osborn [hosborn at tassie.net.au]    Remember its daylight savings tonight
016 "Anthony Spierings" [as029 at powerup.com.au]     Sunshine Coast Storm 24 OCT 99
017 "Anthony Spierings" [as029 at powerup.com.au]     Off topic: ENERGEX Y2K
018 "Anthony Spierings" [as029 at powerup.com.au]     Remember its daylight savings tonight
019 "Marty" [martyp at dynamite.com.au]               Bead lightning
020 "Marty" [martyp at dynamite.com.au]               Photography
021 Jimmy Deguara [jdeguara at ihug.com.au]           Chase pics are up
022 Jimmy Deguara [jdeguara at ihug.com.au]           Chase report for 23rd to 24th October is up

--------------------------------------------------------------------------------------
001
From: bouncer84 at tpgi.com.au
Date: Fri, 29 Oct 1999 23:38:39 +1000
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To: aussie-weather at world.std.com
Subject: aus-wx: Cloud Mass thickening
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Reply-To: aussie-weather at world.std.com

Have a look at the latest satpic - that cloud mass is thickening
dramatically ....wonder what the chances are of last weekend repeating
itself......

Dont look to good for storms though unless it clears quickly.

Paul at Taree
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 -----------------------jacob at iinet.net.au------------------------------

002
From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Bundaberg storms
Date: Fri, 29 Oct 1999 19:19:41 GMT
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On Thu, 28 Oct 1999 10:55:27 +1000 (EST), Blair Trewin
 wrote:

>Bundaberg Airport recorded 166mm in the 24 hours to 0900 this morning.
>News reports I've seen suggest that this came over a period of 2-3
>hours from a slow-moving thunderstorm - can any Queenslanders 
>confirm?
>
I've only just got around to writing this up at
http://www.ozemail.com.au/~wbc/news/news9910.html#27, Blair. Some very
impressive figures. The airport recorded 164.6mm in just over 2 hours,
with 158.4mm falling between 11pm and 1am Thursday. The automatic
raingauge registered 6.2mm at 11pm, 67.4mm at midnight, 146.4 at
12.30am and 164.6 at 1am. 79mm fell in the half hour to 12.30am, with
29.4mm falling in the last 10 minutes of that period. There was also a
press report of 346mm being recorded "west of Bundaberg". Anyone know
any more about this. 

I've also written up the Illawarra rain event of 24 October at
http://www.ozemail.com.au/~wbc/news/news9910.html#24, which also has
some impressive figures!

-- 
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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003
Date: Sat, 30 Oct 1999 06:44:41 +1000
From: Ben Quinn [bodie at flatrate.net.au]
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Bundaberg rain
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Hey Ben from Brisbane here..

There was an article in Thursdays Courier Mail about some flash flooding
in Bundaberg.. i'll quote a few lines..



She didn't know it at the time, but Bundaberg resident Jacynth Chapman
was wasting her efforts when she tried mopping up some spots of water
from her carpet.  A couple of hours later the carpet was in the backyard
pool, ripped from the floor by a wall of water that swept through her
home, sdestroying many of her belonging.



Weather forecasters have described the flash flood as a "one in 50 year"
experience for the city, which normally has only 69mm of rain in
October.

About 2 metres of water had flooded into the downstairs area because a
drain n the street was unable to cope with the downpoar, she said.

"The lawnmower was floating around somewhere down the back and i could
smell petrol fumes" she said.

"I phoned police and their suggestion was don't smoke"


The article goes on to say that several other residents were effected by
flooding around Bundaberg..  A BOM forecaster was quoted as saying 30mm
fell in a ten minute period.. that's a 180mm/h rain rate!! 



Mark Hardy wrote:
> 
> Hi all,
> Noticed this morning that Bundaberg received 166mm in 24 hours. The AWS
> recorded an incredible 120mm in one hour. This would certainly cause
> substantial flooding. Has anybody heard any damage reports?
> Mark
> --
> _____________________________________________________
> Mark Hardy.
> The Weather Company Pty. Ltd.
> Level 2, 7 West Street, North Sydney 2060
> Ph (02) 9955 7704. Fax (02) 9955 1536.
> Mobile 0414 642 739
> email: mhardy at theweather.com.au
> _____________________________________________________
> 
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>  -----------------------jacob at iinet.net.au------------------------------
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004
Date: Sat, 30 Oct 1999 10:45:28 +1000
From: Ben Quinn [bodie at flatrate.net.au]
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Subject: aus-wx: Pictures
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Hey Ben from Brisbane here..

Greg Curtis sent me a picture he took of a developing storm in SE QLD on
Sunday and i have put it up on BSCH webspace at:

http://www.bsch.simplenet.com/pictures/assor/24-10-99/gregcurtis.htm

Just incase some poeple missed this picture, check out this lightning
shot Steve Baynham took.. i saw several Cg's like this striking outside
the storm, one of them was jaw dropping.. but unfortunately i didn't
have any huge amount of film to use and i wasn't shooting at the time..
I was also about 100km closer to the storms than steve was, so you can
imagine how spectacular they were for me.. check it out:

http://www.bsch.simplenet.com/pictures/assor/24-10-99/stevebaynham.htm

A recent events report will also be up for Wednesdays activity by the
end of today for those interested..

Michael Scollay wrote:
> 
> Lindsay wrote:
> >
> > Did anyone else notice the temperature differences for Blackheath and
> > Sydney on the Channel Ten weather report on Tuesday night?
> >
> > I think it was 8 degrees (at katoomba actually, not blackheath) and 23
> > out west and 21 on the Sydney coast. Now that is a contrast! I think
> > they were current temps for around 5:30pm that day.
> >
> > For those in the know more than me, (which is most of you), do you have
> > any comments on such a contrast? I guess it had to do with the change
> > coming through Blackheath, not yet hitting Sydney, on top of the normal
> > 5-10 degree contrast?
> 
> As I used to live in Katoomba, the lapse rate often intrigued me. All
> has to do with the amount of moisture in the air and how much of that
> moisture is precipitated on the windward side to the west of the Blue
> Mountains before the air decends on the leeward side to the East.
> Without getting too technical, an air mass rising to the west might
> have 95% RH at Oberon with temp around 2C, possibly wet snow or
> heavy drizzle falling. Further west, it was, say 80% RH and 5C at
> Bathurst, so this air is cooling close to the moist air lapse rate
> (-6C/1000m). Now the air is dryer as it approaches Katoomba, perhaps
> 65% RH and 5C. Remember that Bathurst is 744.5M, Oberon is 1190m,
> Mt. Boyce is 1080m and Katoomba is 1030m. The air is warming at
> closer to the dry-air lapse rate. There's also some gaps in the
> cloud adding some radiative heating. So by the time it reaches
> Penrith, it's 40% RH and 17C. Under these circumstances, I've seen
> temp differences between Katoomba and Sydney of 14C! with 2C at
> Katoomba and 16C in Sydney. Turn the prevailing wind around from
> the east and you get a different lapse rate because now the air is
> 80% RH and 16C at Penrith, 95% RH and 13C at Springwood, 100% RH
> and 11C at Wentworth Falls (classic mountain mists) and maybe 100%
> RH and 10C at Katoomba with perhaps 9C at Mt. Boyce. I hope that
> explains this phenomena without getting too technical...
> 
> Michael Scollay       mailto:michael.scollay at telstra.com.au
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>  -----------------------jacob at iinet.net.au------------------------------
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005
Date: Sat, 30 Oct 1999 13:48:57 +1000
From: Paul Mossman [paulmoss at tpgi.com.au]
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Subject: aus-wx: Remember its daylight savings tonight
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Just a reminder wx people - daylight savings starts in NSW - bringing
the Country into 5 or so time zones - great invention hey.

Paul.
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006
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Date: Sat, 30 Oct 1999 12:20:51 +0800
To: aussie-weather at world.std.com
From: Jacob [jacob at iinet.net.au]
Subject: Re: aus-wx: Remember its daylight savings tonight
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com


Yep, 5 timezones, with NSW, VIC, SA, and the ACT starting tonight and dont
forget Tasmania already started daylight saving earlier this month, so its
rather confusing.

On Sunday Adelaide will be 30 mins ahead of Brisbane, even though Brisbane
is well to the east of them. Adelaide will have a 7:44pm sunset, Brisbane a
6:05pm sunset, with the sun rising at a silly 4:58am, what a waste of
daylight, if any city needs daylight saving in summer, its Brisbane.

We here in Western Australia have had 3 referendums on the issue, all have
failed but only just, the Perth metro area have always been in favour of
it, but most people in the county areas are not in favour of it.

Jacob

At 01:48  30/10/99 +1000, you wrote:
>Just a reminder wx people - daylight savings starts in NSW - bringing
>the Country into 5 or so time zones - great invention hey.
>
>Paul.
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> -----------------------jacob at iinet.net.au------------------------------

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007
Date: Sat, 30 Oct 1999 12:17:56 +0800
From: Michael Fewings [mike at strikeone.com.au]
Organization: Strike One Lightning Photos
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To: Aussie Weather [aussie-weather at world.std.com]
Subject: aus-wx: Bead lightning
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Hi all,

Our last storms in Perth (which I might say were way way too
long ago) were very lightning active.

I did manage to capture just a few of the CG's (cloud to
ground strikes) that were all around and one of them was
particularly strange that I caught.

I had the shutter open through the whole event and caught
"bead" lightning.

>From what I have been able to ascertain from research on
bead lightning,  it is relatively common but extremely hard
to capture on film. The lightning strike itself generally
burns it out on the negative.

This is why the photo I have got is so strange. I caught the
whole of the sequence of this strike (stepped leader and
ground originating main stroke) and still managed to get
very bright spots on the strike channel.  The strike looks
like it is about 10 to 20 km away in heavy rain but the
beads are bright enough to suggest that it is less than 4 km
away and the thunder from it backed this up on the night.

The reason for the post except to show you the photo (in all
its bad scan glory) is to ask if anyone has a theory on why
I might be able to photograph bead lightning when I got the
rest of the CG sequence as well?

All the other photos I have ever taken have never resulted
in capturing it before.

Also has anyone managed to photograph it before?

I have an idea that it is rare as rare to capture it on
film.

http://strikeone.com.au/shorttimeonly/bead.jpg
You may find it here.

Kind regards
--
Michael Fewings

Photographer of:
Strike One Lightning Photos
http://strikeone.com.au

Web Master of:
Australian Severe Weather Association Inc.
http://www.severeweather.asn.au


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008
Date: Fri, 29 Oct 1999 23:47:23 -0500 (CDT)
From: Paul Graham [tornado at hobbiton.org]
To: aussie-weather at world.std.com
Subject: aus-wx: Large Storm Cell, NSW NW...
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Just noticed a largish cell in the NW of NSW on the GMS satpics.    No
good radar coverage in that area.  Notice how it has popped up in a break
in the cloud band..
- Paul G.

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009
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Large Storm Cell, NSW NW...
Date: Sat, 30 Oct 1999 16:40:41 +1000
X-Mailer: Microsoft Outlook Express 5.00.2014.211
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Hi Paul

Looking at the models yesterday I would have driven to Roma in Queensland as
my base for today and tomorrow.

Unfortunately not in the position to do so.

Michael




----- Original Message -----
From: Paul Graham [tornado at hobbiton.org]
To: [aussie-weather at world.std.com]
Sent: Saturday, 30 October 1999 14:47
Subject: aus-wx: Large Storm Cell, NSW NW...


> Just noticed a largish cell in the NW of NSW on the GMS satpics.    No
> good radar coverage in that area.  Notice how it has popped up in a break
> in the cloud band..
> - Paul G.
>
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>  -----------------------jacob at iinet.net.au------------------------------
>


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010
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Date: Sat, 30 Oct 1999 03:14:20 +0800
To: aussie-weather at world.std.com
From: Ira Fehlberg [jra at upnaway.com]
Subject: Re: aus-wx: Bead lightning
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Mike Im no lightning expert but could it be that the beads which i
understand as being "left over" parts at the end of the strike, could it be
that they sometimes burn brighther than the main strike? Perhaps this is
how you caught it. To normally catch it one would have to open the shutter
right after the main leader was finished pulsing, yes?

					Ira Fehlberg

At 12:17 30/10/99 +0800, you wrote:
>Hi all,
>
>Our last storms in Perth (which I might say were way way too
>long ago) were very lightning active.
>
>I did manage to capture just a few of the CG's (cloud to
>ground strikes) that were all around and one of them was
>particularly strange that I caught.
>
>I had the shutter open through the whole event and caught
>"bead" lightning.
>
>>From what I have been able to ascertain from research on
>bead lightning,  it is relatively common but extremely hard
>to capture on film. The lightning strike itself generally
>burns it out on the negative.
>
>This is why the photo I have got is so strange. I caught the
>whole of the sequence of this strike (stepped leader and
>ground originating main stroke) and still managed to get
>very bright spots on the strike channel.  The strike looks
>like it is about 10 to 20 km away in heavy rain but the
>beads are bright enough to suggest that it is less than 4 km
>away and the thunder from it backed this up on the night.
>
>The reason for the post except to show you the photo (in all
>its bad scan glory) is to ask if anyone has a theory on why
>I might be able to photograph bead lightning when I got the
>rest of the CG sequence as well?
>
>All the other photos I have ever taken have never resulted
>in capturing it before.
>
>Also has anyone managed to photograph it before?
>
>I have an idea that it is rare as rare to capture it on
>film.
>
>http://strikeone.com.au/shorttimeonly/bead.jpg
>You may find it here.
>
>Kind regards
>--
>Michael Fewings
>
>Photographer of:
>Strike One Lightning Photos
>http://strikeone.com.au
>
>Web Master of:
>Australian Severe Weather Association Inc.
>http://www.severeweather.asn.au
>
>
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> message.
> -----------------------jacob at iinet.net.au------------------------------
>
>

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011
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Date: Sat, 30 Oct 1999 17:40:57 +1000
To: aussie-weather at world.std.com
From: Chris Maunder [cmaunder at mail.com]
Subject: Re: aus-wx: Bead lightning
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

One theory I've heard is that some "bead lightning" is just
normal lightning with patches magnified or blurred due to 
the presence of water between you and the flash (kind of a 
lens effect). Other option is that there may just be some
dense  tangles of lightning, or sections of lightning you
are merely seeing end on, causing that section of the channel
to appear brighter than other sections.

Chris

At 12:17 PM 10/30/99 +0800, you wrote:
>Hi all,
>
>Our last storms in Perth (which I might say were way way too
>long ago) were very lightning active.
>
>I did manage to capture just a few of the CG's (cloud to
>ground strikes) that were all around and one of them was
>particularly strange that I caught.
>
>I had the shutter open through the whole event and caught
>"bead" lightning.
>
>>From what I have been able to ascertain from research on
>bead lightning,  it is relatively common but extremely hard
>to capture on film. The lightning strike itself generally
>burns it out on the negative.
>
>This is why the photo I have got is so strange. I caught the
>whole of the sequence of this strike (stepped leader and
>ground originating main stroke) and still managed to get
>very bright spots on the strike channel.  The strike looks
>like it is about 10 to 20 km away in heavy rain but the
>beads are bright enough to suggest that it is less than 4 km
>away and the thunder from it backed this up on the night.
>
>The reason for the post except to show you the photo (in all
>its bad scan glory) is to ask if anyone has a theory on why
>I might be able to photograph bead lightning when I got the
>rest of the CG sequence as well?
>
>All the other photos I have ever taken have never resulted
>in capturing it before.
>
>Also has anyone managed to photograph it before?
>
>I have an idea that it is rare as rare to capture it on
>film.
>
>http://strikeone.com.au/shorttimeonly/bead.jpg
>You may find it here.
>
>Kind regards
>--
>Michael Fewings
>
>Photographer of:
>Strike One Lightning Photos
>http://strikeone.com.au
>
>Web Master of:
>Australian Severe Weather Association Inc.
>http://www.severeweather.asn.au
>
>
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> message.
> -----------------------jacob at iinet.net.au------------------------------
>
>


------------------------------------
Chris Maunder    Canberra, Australia
Dundas Software       www.dundas.com
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012
Date: Sat, 30 Oct 1999 18:28:59 +1000
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: Severe TS advice
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Reply-To: aussie-weather at world.std.com

IDW16N00

TOP PRIORITY FOR IMMEDIATE BROADCAST

SEVERE THUNDERSTORM ADVICE
BUREAU OF METEOROLOGY
NEW SOUTH WALES REGIONAL OFFICE
Issued at 1701 on Saturday the 30th of October 1999

This advice affects people in the following weather districts:

Central West Slopes and Plains north of the Mitchell Highway
Upper Western east of Wanaaring, Louth and Cobar

Thunderstorms will occur within the advice area this afternoon and
evening.
Some of these are expected to be severe, bringing very heavy rainfall.
Locally damaging winds are also possible with thunderstorms.

The STATE EMERGENCY SERVICE advises that as storms approach people
should:
 * move indoors away from windows

During and after storms people should:
 * take extreme care when driving 
 * beware of fallen trees and power lines
 * keep away from creeks and drains as you may be swept away 
 
If your house is damaged contact your local State Emergency Service
unit,
listed under "S" in the White Pages, for emergency assistance. Don't use
the
telephone during storms.

TV CRAWL: Severe Thunderstorm Advice current Central West Slopes and
Plains,
and Upper Western

NOT FOR BROADCAST: This advice message is valid until 11pm. The Bureau
and
SES would appreciate it being broadcast regularly until this time.
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013
Date: Sat, 30 Oct 1999 16:30:03 +0800
From: Michael Fewings [mike at strikeone.com.au]
Organization: Strike One Lightning Photos
X-Mailer: Mozilla 4.5 [en] (Win98; I)
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To: Aussie Weather [aussie-weather at world.std.com]
Subject: aus-wx: Bid on a cyclone
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

This is a "competition" open to everyone on this list and
anyone that has the internet.

There are no prizes but should be good fun.

Navigate your way to

http://strikeone.com.au/cyclone/cyclone.cgi

and have a go.

Don't bid more than once otherwise all of your bids will be
cancelled.

Good luck
--
Michael Fewings

Photographer of:
Strike One Lightning Photos
http://strikeone.com.au

Web Master of:
Australian Severe Weather Association Inc.
http://www.severeweather.asn.au


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014
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Date: Sat, 30 Oct 1999 04:45:58 +0800
To: aussie-weather at world.std.com
From: Ira Fehlberg [jra at upnaway.com]
Subject: aus-wx: WA chaser Nathan Howes chase/wall cloud pics!
Sender: aussie-weather-approval at world.std.com
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Hi all, 
	Nathan Howes (WA ASWA member) from Busselton scored a wicked little chase
a few weeks ago, really nice storm with an excellent wall cloud, one of the
best pics of a wall cloud in Aus that Ive seen. His computer has been down
for a while so he's just scanned the pics and Ive put em up at my site as
Nathan doesnt have one. So go to my site at 
http://www.upnaway.com/~jra/weather.html
One of his awesome sunset pics is up as picture of the month and below that
is the link to Nathans wall cloud chase page. Believe me its worth a
look!!! He was unlucky not to see a touch down with the wall cloud lasting
for quite a while.


					Ira Fehlberg

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015
Date: Sat, 30 Oct 1999 20:13:11 +1100
From: Chas & Helen Osborn [hosborn at tassie.net.au]
X-Mailer: Mozilla 4.61 [en] (Win98; I)
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Remember its daylight savings tonight
Sender: aussie-weather-approval at world.std.com
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Its about time.  We in Tasmania have to put up with radio and television
delayed for a hour until you mainlanders get yourselves into gear. We have
been on EDST since the beginning of October. We also have to put up with
another month of delayed broadcasts because we change our clocks back a month
after those who change back to EST.

Chas
Strahan Tasmania

Paul Mossman wrote:

> Just a reminder wx people - daylight savings starts in NSW - bringing
> the Country into 5 or so time zones - great invention hey.
>
> Paul.
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016
From: "Anthony Spierings" [as029 at powerup.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Sunshine Coast Storm 24 OCT 99
Date: Sat, 30 Oct 1999 20:00:59 +1000
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Hello all,

Like Greg and Steve, I also took some pictures of the storm on the 24
October 1999.  But they are definitely >not< as good.

If you could entertain an explanation for a few minutes:

I have only recently bought myself a 35 mm SLR.  Unfortunately the funds did
not extent to a tripod or an external bulb. Such things as F-stop are still
a mystery to me.  It took me 15 minutes of reading the manual (for the
millionth time) to figure out how to keep the shutter open manually.  To
take these pictures I placed the camera on the (curved) rail on the
verandah, held it as still as possible, and kept the shutter opened while I
counted to 30.

I learnt some valuable lessons.

A) The best lightning occurs just after you close the shutter;
B) The second best lightning occurs just before you open the shutter;
C) A mosquito is guaranteed to bite you on the knuckle, behind the ear, on
the nose, wherever, just as one is trying to keep as still as possible.
D) The photolab just run the film through the machine in some unattended
mode, and darkish shots become a light grey.

The pictures were taken on the north outskirts of Brisbane and the view is
north.  Local time was about 22:15.  Film was Fuji ASA400.  There was a
nearly full moon (that is why the clouds are so bright).  All images were
heavily processed using Paintshop Pro.  The "contrast" was cranked right up
and the "brightness" pushed down.

The first image contains the moon in the top right corner.  I tilted the
camera to fit the moon and the horizon in the one shot.  If you look closely
you can see that each star is comprised of three dots.  This is because my
hands had the shakes.


http://www.powerup.com.au/~as029/storm/24oct99_north_storm_moon_300h.jpg

(9 kb)

http://www.powerup.com.au/~as029/storm/24oct99_north_storm_moon_800h.jpg

(58 kb)

The second shot is looking ENE towards the City of Redcliffe.

http://www.powerup.com.au/~as029/storm/24oct99_eastnortheast1_300w.jpg

(6 kb)

http://www.powerup.com.au/~as029/storm/24oct99_eastnortheast1_700w.jpg

(24 kb)

Obviously, I have some way to go.  Considering that these are the first set
I have ever taken I am quite chuffed.

If someone knows a good place in Brisbane to process film I am open to
suggestions.

Regards,

Anthony Spierings
as029 at powerup.com.au


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017
From: "Anthony Spierings" [as029 at powerup.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Off topic: ENERGEX Y2K
Date: Sat, 30 Oct 1999 20:32:42 +1000
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Off topic.

I understand that at approximately 23:15 on Friday 29 October 1999, the time
on the computers at ENERGEX was set to 23:15 on Friday, 31 December 1999.
The computers rolled over to the year 2000 sucessfully and are currently
operating (as I write) as Saturday, 1 January 2000.  (The web server, which
lives at another location, is operating on Standard Time.)

And guess what? The lights are still on.

Earlier on this year the major power stations also set their clocks forward
and rolled over to the year 2000 without any problems.  The media was
informed this afternoon, so I can now talk about it as well.  After all the
Y2K headlines, not to mention scare mongering, in the local papers, I hope
the media reports this prominently.

I also hope that there are no storms 31 December 1999.  I intend to party
big time.  You should too. :)


Regards,

Anthony Spierings
as029 at powerup.com.au

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018
From: "Anthony Spierings" [as029 at powerup.com.au]
To: [aussie-weather at world.std.com]
Subject: RE: aus-wx: Remember its daylight savings tonight
Date: Sat, 30 Oct 1999 21:16:48 +1000
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Hello Jacob

> Adelaide will have a 7:44pm sunset, Brisbane a
> 6:05pm sunset, with the sun rising at a silly 4:58am, what a waste of
> daylight, if any city needs daylight saving in summer, its Brisbane.
>
> We here in Western Australia have had 3 referendums on the issue, all have
> failed but only just, the Perth metro area have always been in favour of
> it, but most people in the county areas are not in favour of it.

All too true.

Like WA, Queensland held a referendum on daylight savings.  It was narrowly
defeated in Brisbane and lost in a big way in the country.

Both Queensland and Western Australia are big states whose borders go far
North into the tropics.  If you are living in Mt Isa the sun currently rises
at 6:04 am.  If the time was summer time it would be rising 7:04 am.  To put
this in perspective, the sun rises in the middle of winter at 7:19 am in Mt
Isa.

In Mt Isa the sun transited today at 12:28 pm (Brisbane 11:32 am).  So it
can be argued that they already have one hour of daylight saving built in
because they are to the western end of the timezone.

It must also be remembered that the closer one get to the equator the period
of twilight is shorter.  The payoff for no daylight savings is that the
winter is not too bad at all :)



Regards,
Anthony Spierings

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019
From: "Marty" [martyp at dynamite.com.au]
To: "Aussie Weather Mailing List" [aussie-weather at world.std.com]
Subject: Re: aus-wx: Bead lightning
Date: Sat, 30 Oct 1999 21:08:32 +1000
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Sender: aussie-weather-approval at world.std.com
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Hi Mike and everyone,

Great photo Mike, well done! I love seeing unusual forms of weather (of any
type), but lightning in particular, and, as you say, bead lightning is very
difficult to photograph.

I thought Chris Maunder's theory of parts of the lightning channel being
brighter due to seeing it end-on was excellent, and quite possible. Although, if
it is true bead-lightning, I'm thinking that maybe you were able to capture it
because the main stroke has only exposed a thin portion of film, and the
remaining beads expose the film for longer and, hence, expose a larger area of
the film. We know that if you expose a bright light for a short period you will
get a smaller spot on film than if you expose for a long time. The exposed area
of the film tends to get bigger with a longer exposure.

Cool shot, anyway.

I certainly don't have a shot of bead lightning.

Marty.
Brisbane, Australia
martyp at dynamite.com.au
Images of Canberra: http://www2.dynamite.com.au/martyp
Lightning Photos: http://www2.dynamite.com.au/martyp/lightning
3D Photography: http://www.bit.net.au/~erinm/3d
ICQ: 11790565


-----Original Message-----
From: Michael Fewings [mike at strikeone.com.au]
To: Aussie Weather [aussie-weather at world.std.com]
Date: Saturday, 30 October 1999 14:37
Subject: aus-wx: Bead lightning


>Hi all,
>
>Our last storms in Perth (which I might say were way way too
>long ago) were very lightning active.
>
>I did manage to capture just a few of the CG's (cloud to
>ground strikes) that were all around and one of them was
>particularly strange that I caught.
>
>I had the shutter open through the whole event and caught
>"bead" lightning.
>
>>From what I have been able to ascertain from research on
>bead lightning,  it is relatively common but extremely hard
>to capture on film. The lightning strike itself generally
>burns it out on the negative.
>
>This is why the photo I have got is so strange. I caught the
>whole of the sequence of this strike (stepped leader and
>ground originating main stroke) and still managed to get
>very bright spots on the strike channel.  The strike looks
>like it is about 10 to 20 km away in heavy rain but the
>beads are bright enough to suggest that it is less than 4 km
>away and the thunder from it backed this up on the night.
>
>The reason for the post except to show you the photo (in all
>its bad scan glory) is to ask if anyone has a theory on why
>I might be able to photograph bead lightning when I got the
>rest of the CG sequence as well?
>
>All the other photos I have ever taken have never resulted
>in capturing it before.
>
>Also has anyone managed to photograph it before?
>
>I have an idea that it is rare as rare to capture it on
>film.
>
>http://strikeone.com.au/shorttimeonly/bead.jpg
>You may find it here.
>
>Kind regards
>--
>Michael Fewings
>
>Photographer of:
>Strike One Lightning Photos
>http://strikeone.com.au
>
>Web Master of:
>Australian Severe Weather Association Inc.
>http://www.severeweather.asn.au
>
>
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> -----------------------jacob at iinet.net.au------------------------------
>


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020
From: "Marty" [martyp at dynamite.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Photography
Date: Sat, 30 Oct 1999 21:45:16 +1000
X-Mailer: Microsoft Outlook Express 4.72.3110.1
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Hi Anthony S,

I love your lessons on photographing lightning - how true they are, and how
often it seems to happen!

Well done on the photos. Night photography is excellent fun, and can be very
rewarding, as you may expose for ages and have no idea how the shots will turn
out, and often the results are good. Especially with city lights, as some light
colours expose differently for different types of film. (Eg, fluorescent
lighting appears green on daylight-balanced film.)

If you can't afford a tripod right now, at least get yourself a cable release.
This allows you to open the shutter remotely, and so avoids camera-shake, as
long as you can find somewhere good to rest the camera. With the right
cable-release (only around $10-$15), you can screw the end so you can let it go
while the shutter stays open. You can make fantastically long exposures (several
hours) this way. (Perfect for marvellous star-trail shots.)

Re photo lab printing dark shots grey. Just tell them when you drop your film
off that they are night shots and need to be darkened. All the places I've dealt
with are quite happy with this. If they still come back grey, then they should
be happy to re-print them darker. Even if you haven't said anything, as far as
I'm concerned, the exposures need to be right, so don't be afraid to ask them to
be printed correctly. This shouldn't incur a re-print fee. If they asked for an
extra fee from me, I'd be pretty annoyed. If you go to the effort of exposing a
shot the way you want it, and it happens to be at night, then the photo lab
should expose it correctly (unless, of course, you have a wierd and wacky way
you want it exposed). The fact that their machines automatically develop for
average exposures has nothing to do with you or I or anyone else who wants dark
photos exposed correctly. Anyway, I think I've made my point!

And...
 - a high F-number:
    = small aperture
    = greater depth-of-field (area in front of the camera that is in sharp
focus)
    = less light reaching the film
    = longer shutter speed

 - a small F-number:
    = wide aperture
    = shallow depth of field
    = more light reaching the film
    = shorter shutter speed

All of this determines the speed of the film you buy, and the lighting effects
you want. I was always confused that a large F-number meant a small aperture,
but if you take lots of photos, it doesn't take long to get used to.

Sorry, if I've got into too much detail! If I haven't gone into enough, feel
free to ask questions.

Have fun!

Marty.
Brisbane, Australia
martyp at dynamite.com.au
Images of Canberra: http://www2.dynamite.com.au/martyp
Lightning Photos: http://www2.dynamite.com.au/martyp/lightning
3D Photography: http://www.bit.net.au/~erinm/3d
ICQ: 11790565


-----Original Message-----
From: Anthony Spierings [as029 at powerup.com.au]
To: aussie-weather at world.std.com [aussie-weather at world.std.com]
Date: Saturday, 30 October 1999 20:16
Subject: aus-wx: Sunshine Coast Storm 24 OCT 99


>Hello all,
>
>Like Greg and Steve, I also took some pictures of the storm on the 24
>October 1999.  But they are definitely >not< as good.
>
>If you could entertain an explanation for a few minutes:
>
>I have only recently bought myself a 35 mm SLR.  Unfortunately the funds did
>not extent to a tripod or an external bulb. Such things as F-stop are still
>a mystery to me.  It took me 15 minutes of reading the manual (for the
>millionth time) to figure out how to keep the shutter open manually.  To
>take these pictures I placed the camera on the (curved) rail on the
>verandah, held it as still as possible, and kept the shutter opened while I
>counted to 30.
>
>I learnt some valuable lessons.
>
>A) The best lightning occurs just after you close the shutter;
>B) The second best lightning occurs just before you open the shutter;
>C) A mosquito is guaranteed to bite you on the knuckle, behind the ear, on
>the nose, wherever, just as one is trying to keep as still as possible.
>D) The photolab just run the film through the machine in some unattended
>mode, and darkish shots become a light grey.
>
>The pictures were taken on the north outskirts of Brisbane and the view is
>north.  Local time was about 22:15.  Film was Fuji ASA400.  There was a
>nearly full moon (that is why the clouds are so bright).  All images were
>heavily processed using Paintshop Pro.  The "contrast" was cranked right up
>and the "brightness" pushed down.
>
>The first image contains the moon in the top right corner.  I tilted the
>camera to fit the moon and the horizon in the one shot.  If you look closely
>you can see that each star is comprised of three dots.  This is because my
>hands had the shakes.
>
>
>http://www.powerup.com.au/~as029/storm/24oct99_north_storm_moon_300h.jpg
>
>(9 kb)
>
>http://www.powerup.com.au/~as029/storm/24oct99_north_storm_moon_800h.jpg
>
>(58 kb)
>
>The second shot is looking ENE towards the City of Redcliffe.
>
>http://www.powerup.com.au/~as029/storm/24oct99_eastnortheast1_300w.jpg
>
>(6 kb)
>
>http://www.powerup.com.au/~as029/storm/24oct99_eastnortheast1_700w.jpg
>
>(24 kb)
>
>Obviously, I have some way to go.  Considering that these are the first set
>I have ever taken I am quite chuffed.
>
>If someone knows a good place in Brisbane to process film I am open to
>suggestions.
>
>Regards,
>
>Anthony Spierings
>as029 at powerup.com.au
>
>
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> -----------------------jacob at iinet.net.au------------------------------
>

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021
X-Sender: jdeguara at pop.ihug.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.2.0.58 
Date: Sat, 30 Oct 1999 21:48:55 +1000
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Chase pics are up
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all,

If you are interested, there are more pics available   you can browse 
through the photography section:

http://www.australiansevereweather.simplenet.com/photography/photos/index.ht 
ml   and click on the latest  1999 documents

[501 - 550] [551 - 553]   are the last lot of photos

or you could click by category

http://www.australiansevereweather.simplenet.com/photography/index.html

I found the one below interesting  rotational shear

http://www.australiansevereweather.simplenet.com/photography/photos/1999/102 
4jd12.jpg

This was taken near Newcastle  north of Sydney and is to my east.

Note the lower layers are going almost opposite to the upper 
layers   Unfortunately, the instability had moved off the coast and this 
was what remained   I believe fair bit of instability and things would have 
been interesting. I suppose you have to have the right balance.

Jimmy Deguara

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022
X-Sender: jdeguara at pop.ihug.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.2.0.58 
Date: Sat, 30 Oct 1999 22:14:11 +1000
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Chase report for 23rd to 24th October is up
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Take a look at the pics associated chase report

http://www.australiansevereweather.simplenet.com/storm_news/1999/docs/9910-0 
5.htm

Some interesting variations of cloud and storms developed in the various 
sectors of the low.

Jimmy Deguara

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Document: 991030.htm
Updated: 06 November 1999

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