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Australian Weather Mailing List Archives: 17th February 1999

    From                                           Subject
--------------------------------------------------------------------------------------
001 Lindsay [writer at lisp.com.au]                   Another Dangerous swell running - NSW
002 Michael Scollay [michael.scollay at telstra.com.  Another Dangerous swell running - NSW
003 Michael Scollay [michael.scollay at telstra.com.  Visual satpics of 16/02/1999 eclipse
004 Michael Scollay [michael.scollay at telstra.com.  Admin: Question about gif image processing
005 "Matthew Piper" [mjpiper at ozemail.com.au]       Admin: Question about gif image processing
006 Chris Maunder [cmaunder at dynamite.com.au]       Admin: Question about gif image processing
007 "Alan Deane" [adeane at ibm.net]                  Admin: Question about gif image processing
008 Anthony Cornelius [cyclone at stealth.com.au]     SE QLD T'storms
009 Michael Scollay [michael.scollay at telstra.com.  Admin: Question about gif image processing
010 Jimmy Deguara [jimmyd at ozemail.com.au]          (no subject)
011 Jimmy Deguara [jimmyd at ozemail.com.au]          Admin: Question about gif image processing
012 Dane Newman [dpn at bigpond.com]                  Severe Squall Warning
013 "Michael Thompson" [michaelt at ozemail.com.au]   Media stories - swell on weekend
014 "Michael Thompson" [michaelt at ozemail.com.au]   Another Dangerous swell running - NSW
015 "Michael Thompson" [michaelt at ozemail.com.au]   (no subject)
016 Keith Barnett [weather at ozemail.com.au]         (no subject)
017 "John  Graham" [gorzzz at one.net.au]             Wx Satellites

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

Date: Tue, 16 Feb 1999 08:01:11 -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: Another Dangerous swell running - NSW
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

That's huge swell! Is that measured from Peak to trough? ie: face size?
Most surfers measure swell size from peak to back of wave not peak to
trough.

Michael Scollay wrote:
> 
> [snip thread]
> 
> I've taken video at Dee Why (Sydney Northern Beaches) on Saturday
> evening (13/2/1999) of waves peaking at between 6m and 8m before
> engulfing surf board riders. There was, at times, a considerable surf
> operating in the pool that at one time washed a child away in the
> kiddies pool unawares to his parents. I was lucky enough to see the
> next and larger wave coming with enough time to pluck the child from
> the water before he got washed over the side of the pool into the
> rocks. These were some of the largest waves that I've videoed since a
> similar swell produced monsters near Wollongong nearly 2 years ago.
> 
> Michael Scollay

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

Date: Wed, 17 Feb 1999 10:15:22 +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: Another Dangerous swell running - NSW
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

'twas a bit difficult to get behind the waves to measure the back of
them:-) I nevertheless had a good view from both the front and sides.
Height was measured from video taken being the multiple of a crouched
surfer's height (~1m) divided into the trough to peak height before
the wave began breaking. 6m was average, but the best of them were
well over 8m. By taking into account that the surfers were cowering
more, I used an estimate of 0.8m for the surfer's height instead
giving a linear height multiple of 10x for these monsters.

Michael Scollay

Lindsay wrote:
> 
> That's huge swell! Is that measured from Peak to trough? ie: face size?
> Most surfers measure swell size from peak to back of wave not peak to
> trough.

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

Date: Wed, 17 Feb 1999 12:15:49 +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 [aussie-weather at world.std.com]
Subject: aus-wx: Visual satpics of 16/02/1999 eclipse
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I've succeeded in getting an hour by hour archive of GMS-5 global
visual satpics that shows yesterday's solar eclipse. Needless to say,
I wish I could post the animation of the whole day (650x650 pixels =
2MB) since it is a rather unique perspective. 

The moon's shadow comes into view from the WSW on satpic 9902160532
with the best shadow showing on 9902160732. It moves mapping an arc
that dissappears into the coming night from the east. The size of 650
pixel images of individual satpics at this time is about 100KB. I
wondering if the media would be interested in such a thing?

Michael Scollay

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

Date: Wed, 17 Feb 1999 12:21:58 +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 [aussie-weather at world.std.com]
Subject: aus-wx: Admin: Question about gif image processing
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Does anyone know a technique and/or software needed that is able to
extract individual gif images from a gif animation such that they can
be reanimated with additional images or in another order?

Thanks in advance.

Michael Scollay

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

From: "Matthew Piper" [mjpiper at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Admin: Question about gif image processing
Date: Wed, 17 Feb 1999 13:44:25 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.5
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Michael,

I use the program Ulead Gif Animator Lite 1.0 to create and edit animated
gif files. This is available freely from the net at www.ulead.com . I am not
sure if this program will do everything that you say you want it to do but
it is worth giving it a try.

Matthew Piper

>Does anyone know a technique and/or software needed that is able to
>extract individual gif images from a gif animation such that they can
>be reanimated with additional images or in another order?
>
>Thanks in advance.
>
>Michael Scollay

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

X-Sender: cmaunder at mail.dynamite.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32)
Date: Wed, 17 Feb 1999 13:53:11 +1100
To: aussie-weather at world.std.com
From: Chris Maunder [cmaunder at dynamite.com.au]
Subject: Re: aus-wx: Admin: Question about gif image processing
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

The Gif construction set will help you do that. Just do a web search
and you'll find it. It's shareware.



At 12:21 17/02/99 +1100, you wrote:
>Does anyone know a technique and/or software needed that is able to
>extract individual gif images from a gif animation such that they can
>be reanimated with additional images or in another order?
>
>Thanks in advance.
>
>Michael Scollay

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

From: "Alan Deane" [adeane at ibm.net]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Admin: Question about gif image processing
Date: Wed, 17 Feb 1999 14:08:28 +1100
X-Mailer: Microsoft Outlook Express 4.72.2106.4
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Michael,

Go to http://www.download.com in the search bar type in animated gif and
then search.  You will then be presented with a number of programs you can
download and use to edit your animated gif.

Regards,
Alan.
-----Original Message-----
>Does anyone know a technique and/or software needed that is able to
>extract individual gif images from a gif animation such that they can
>be reanimated with additional images or in another order?
>
>Thanks in advance.
>
>Michael Scollay

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

Date: Wed, 17 Feb 1999 14:27:35 +1000
From: Anthony Cornelius [cyclone at stealth.com.au]
X-Mailer: Mozilla 4.5 [en] (Win98; I)
X-Accept-Language: en
To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: SE QLD T'storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi all!

I've got a small cell, with a nice little anvil to my S, and a line of
congestus to my SW.  It's 31.4C, with a DP of 22C at my place with a
light NE'er.  Certainly not looking too bad here.

Will keep you posted if anything happens.

Anthony from Brisbane (2:27pm EST)

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

Date: Wed, 17 Feb 1999 16:27:11 +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: Admin: Question about gif image processing
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Many thanks to all that replied! That's wonderful support...All roads
suggested led to http://www.download.com/ where a bewildering array of
options existed - if one was a Windows 95/98/NT-equipped person (which
I am not:-) 

I was a bit too brief in my original request and neglected to explain
the background to the request which turns out to be rather important
for a targeted solution. I am doing the job of archiving satpics for
the future ASWA from various sites on the WWW. This is done
automatically because I don't have the time to do it any other way. I
have set up "cron" and customised scripts on my Solaris 2.5.1 (UNIX)
workstation to munge this stuff 24hrs a day while I otherwise do my
productive work during work hours and other things away from my
computer during the remaining hours. So I was after software, which I
can compile if necessary, that could then be scripted from within a
UNIX shell-script and perl programs to do automated GIF image
unbundling in particular. 

I found a utility that does the animation extremely well (whirlgif
3.02 from http://www.danbbs.dk/~dino/whirlgif/) and I need a companion
utility that does the "unanimation". I've also got other utilities
that efficiently massage JPEG files called "cjpeg" and "djpeg" from
the Independant JPEG Group plus a more inefficent but otherwise
excellent full-featured graphics converter called "convert" from
ImageMagick. The reason that the simpler utilities are favoured is
that they operate a hell of a lot faster and sometimes result in
smaller output files than the many (and often commercial)
full-featured utilities. As an example, something like "whirlgif" can
be used within a cgi-script as it processess individual gif images
extremely quickly.

Failing any further hints from the list, I'll troll through the
software presented on download.com until I find something that I can
use. Unfortunately, I am yet to find any that are targeted toward the
open-source community and UNIX user, including whirlgif, that ought to
be there:-(

Michael Scollay

> -----Original Message-----
> From: Michael Scollay 
> To: Aussie Weather 
> Date: Wednesday, 17 February 1999 13:09
> Subject: aus-wx: Admin: Question about gif image processing
> 
> >Does anyone know a technique and/or software needed that is able to
> >extract individual gif images from a gif animation such that they can
> >be reanimated with additional images or in another order?
> >
> >Thanks in advance.
> >
> >Michael Scollay

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

X-Sender: jimmyd at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Wed, 17 Feb 1999 16:43:01 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: aus-wx: Fwd: 
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Jimmy here,

I don't know why this company keeps sending me this e-mail. Can anyone tell
me??

Jimmy Deguara


>
> From: "Jacques Schryburt" 
> To: 
> Date: Tue, 16 Feb 1999 19:53:25 -0500
> X-Mailer: Microsoft Outlook Express 4.72.3155.0
>
> Good day
>
> I was visiting your site and thought you might be interested
>
> In visiting ours.
>
> We are a company that builds and supply hail protection equipment.
>
> Please feel free to come and visit our site.
>
> You can find us at: http://www.hailshield.com
>
> If you need any more info, please feel free to fill out the form
>
> at our site.
>
> Thank you for your time.
>
> Jacques schryburt

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

X-Sender: jimmyd at pop.ozemail.com.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Wed, 17 Feb 1999 16:45:06 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jimmyd at ozemail.com.au]
Subject: Re: aus-wx: Admin: Question about gif image processing
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Michael,

Most major software such as Paintshop Pro and even specialised animations
software such as Animajic can do it. You can get the individual images that
way.

Jimmy

At 12:21 PM 2/17/99 +1100, you wrote:
>Does anyone know a technique and/or software needed that is able to
>extract individual gif images from a gif animation such that they can
>be reanimated with additional images or in another order?
>
>Thanks in advance.
>
>Michael Scollay

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

From: Dane Newman [dpn at bigpond.com]
To: "'aussie-weather at world.std.com'" [aussie-weather at world.std.com]
Subject: aus-wx: Severe Squall Warning
Date: Wed, 17 Feb 1999 17:23:31 +1100
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
X-MIME-Autoconverted: from quoted-printable to 8bit by penman.es.mq.edu.au id RAA04866

IDW10V01

BUREAU OF METEOROLOGY
VICTORIAN REGIONAL OFFICE

NEWS FLASH - FOR IMMEDIATE BROADCAST

Priority
Severe Squall Warning

for Melbourne, Port Philip Bay, and the Mornington Peninsula 

Issued at 1624 on Wednesday the 17th of February 1999  

A westerly change is currently moving through the Melbourne Metropolitan, Port
Philip Bay  and the Mornington Peninsula area. 

Severe squalls with gusts to 90km/hr are possible with the change.

This warning should not be used after 6pm Wednesday.

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

From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Media stories - swell on weekend
Date: Wed, 17 Feb 1999 17:45:46 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Monday's Sydney Telegraph had a back page photo of two surfboats colliding
at Alexandra Headlands.." courtesy of Cyclone Rona "

Sounds great but Cyclone Rona had little to do with the weekends surf. To
generate even an extreme NE swell on the Sunshine coast cyclone Rona would
have to of been east of 154'.  155' would be more preferable. Can't remember
seeing the cyclone there.

The Queensland surf was generated by the same conditions that generated surf
right down to the Victorian border , that is a long easterly fetch of winds
generated between low pressure in the Coral Sea and high pressure over NZ,
the keys to the longevity of the surf was the fact the  systems stagnated
there for a few days and the long " fetch " ( a distance of water that wind
has been  blowing over and generating waves, no significant changes in wind
direction are better, moderate winds over a long fetch can generate just as
big a wave as storm force winds over a short fetch )


Michael Thompson
http://thunder.simplenet.com

--------------------------------------------------------------------------------------
014

From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Another Dangerous swell running - NSW
Date: Wed, 17 Feb 1999 17:33:08 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I must admit that I measure simply face size, which means that 6ft waves
would be overhead high for most surfers, but not all.

The waves I saw peaked at 12ft on exposed reefs. The  largest waves I ever
saw pushed 40ft back in the mid 1970's, it was a cyclone swell, but I forget
which one ( Colin comes to mind ). Any doubt that the waves got this huge
and you should look at the headland at Tathra, the road that used to
circulate the headland was scoured out, even at its highest point above the
sea.

Michael


-----Original Message-----
>That's huge swell! Is that measured from Peak to trough? ie: face size?
>Most surfers measure swell size from peak to back of wave not peak to
>trough.

--------------------------------------------------------------------------------------
015

From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Fwd: 
Date: Wed, 17 Feb 1999 17:49:29 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

I can't see why ? Physic perhaps ?

Perhaps you should offer to be the Australian agent.

Michael



>Hi Jimmy here,
>
>I don't know why this company keeps sending me this e-mail. Can anyone tell
>me??

--------------------------------------------------------------------------------------
016

Date: Wed, 17 Feb 1999 19:42:38 +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
Subject: Re: aus-wx: Fwd:
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Reminds me of when I rang a software company in the US to enquire about Monolog
for Windows to go with a new sound card. After telling me it wasn't sold
separately they wanted to know if  there were any agents who would peddle it for
them...!?
Talk about a kick in the guts.....

Michael Thompson wrote:

> I can't see why ? Physic perhaps ?
>
> Perhaps you should offer to be the Australian agent.
>
> Michael

--------------------------------------------------------------------------------------
017

From: "John  Graham" [gorzzz at one.net.au]
To: "Aussie Weather" [aussie-weather at world.std.com]
Subject: aus-wx: Wx Satellites
Date: Wed, 17 Feb 1999 14:37:30 +1100
X-Mailer: Microsoft Outlook Express 4.72.2106.4
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi Everyone,

If anyone's interested in making  up stuff to receive Wx Satellites, look at
this site http://ourworld.compuserve.com/homepages/hffax/TOC4.HTM
It's got heap's of links etc.
See ya's
John

Document: 990217.htm
Updated: 18th February, 1999

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