From                                           Subject
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001 Matt Smith [disarm at braenet.com.au]             ASWA  AGM + Dinner
002 Lindsay [writer at lisp.com.au]                   Sydney Fog"
003 "Mark Hardy" [mhardy at magna.com.au]             (no subject)
004 Anthony Cornelius [cyclone at flatrate.net.au]    QLD ASWA Meeting
005 Anthony Cornelius [cyclone at flatrate.net.au]    QLD ASWA Minutes

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001

X-Sender: disarm at mail.braenet.com.au
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Date: Sat, 03 Jul 1999 00:42:37 +1000
To: aussie-weather at world.std.com
From: Matt Smith [disarm at braenet.com.au]
Subject: Re: aus-wx: ASWA  AGM + Dinner
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com

Hi David

I will be attending

Matt Smith


>Hi everyone,
>
>Jimmy has recently been posting a few reminders over the list re. the
>ASWA annual general meeting / dinner /social night so as to get a rough
>idea of the numbers. At the moment we have several possibilities for a
>venue: which one we go for will depend on how many of you come along
>(and what gets booked in the meantime).
>
>At this stage could every 'definite' send a message to MY address ASAP
>(and at the very latest by, say, next Wednesday 7/7) and I will pick a
>venue based on that. If your still not sure mail me nonetheless as I'll
>take it into consideration.
>
>We're aiming to make it a lot more than a formal night and, to do that,
>a big interstate or international [ Les:) ]contingent would be great.
>
>So email.... quickly.... along with any ideas for other inclusions you
>would like to see on the night.
>
>
>cheers
>
>David
>
>
>_________________________________________________________
>Do You Yahoo!?
>Get your free  at yahoo.com address at http://mail.yahoo.com
>
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> -----------------------jacob at iinet.net.au------------------------------
>
>
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002

Date: Fri, 02 Jul 1999 12:08:29 -0700
From: Lindsay [writer at lisp.com.au]
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To: aussie-weather at world.std.com
Subject: Re: Katoomba Fog - was "Re:aus-wx: Sydney Fog"
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Reply-To: aussie-weather at world.std.com

Liked the descriptions of "fog". Can anyone give me some practical
examples of no. 2/ Radiation fog.

Maybe I'm wrong re my observations of visibility but we've had days here
in Blackheath were we have walked past the oval (it's close to our
house) in summer/autumn and could hear but not see the the guys playing
touch footy on the oval. Now I don;t know exacly how close the gravel
parking lot is to the oval but it is very close and we couldn't see
ANYTHING at all (not even the sideline) except for a few metres in front
of us (if that). Actually our neighbour was walking the other way and
she just suddenly emerged from nowhere, right in front of us, as it
were. Admittedly it was around 4-5pm (when the guys practice) so the sun
wasn't super strong but it seemed definately less visibility than 30-45
feet as Laurier mentioned. As for that "transpiration fog", God, that is
the most beautiful thing up here, banner is the right word, Laurier.
Ghost grey ribbons of moisture - phantoms of the forest. I can feel a
poem coming on. And the upslope fog is one of the most serene things as
it rolls in from the Grose Valley too. All grist to the mill for a
writer/poet like me :-) Back to outlining my next novel, "The Secret of
Sunning Hill." , set in a fictional town in the Blue Mountains, of
course. It's even got a snow storm chapter :-)


Lindsay P.
Laurier Williams wrote:
> 
> On Thu, 01 Jul 1999 11:07:49 +1000, Michael Scollay
>  wrote:
> 
> >If there is a point to all this, it is that there are many
> >"fogs" defined being;
> >
> >1) Advection fog - a moist, stable air mass is blown over a
> >cold surface (water, ice), thereby becoming saturated.
> >2) Radiation fog - a surface radiates energy, thereby cooling
> >to the point of saturation.
> >3) Hill fog - is simply low cloud covering the hill tops.
> >I would argue that this is not a true "fog".
> >4) Upslope fog - is formed as moist air is driven up a
> >slope. This often precedes 3) above.
> >5) Artic / Antartic sea smoke - a rare fog formed when cold
> >air passes over a warm surface. It is the same effect as
> >opening the freezer door during a humid day (I think).
> >
   ....8-<

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003

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Date: Sat, 03 Jul 1999 11:05:27 +1000
Subject: aus-wx: Re: Sydney Fog
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

Most fogs in Sydney city would seem to be advection fogs. Further west the
fogs tend to be radiation fogs. That is, fog forms in the western suburbs
and then are advected across to the city. During my time aviation
forecasting here in Sydney I can't recall an event where fog actually formed
in the city or at the airport. The fog would almost always roll in on a 5 to
8 knot NW land breeze usually just before dawn. In the calm air before the
land breeze a light mist often forms. The land breeze is often the trigger
to form a full blown fog. This seems to be the case for many coastal
locations.

>>
>> >If there is a point to all this, it is that there are many
>> >"fogs" defined being;
>> >
>> >1) Advection fog - a moist, stable air mass is blown over a
>> >cold surface (water, ice), thereby becoming saturated.
>> >2) Radiation fog - a surface radiates energy, thereby cooling
>> >to the point of saturation.
>> >3) Hill fog - is simply low cloud covering the hill tops.
>> >I would argue that this is not a true "fog".
>> >4) Upslope fog - is formed as moist air is driven up a
>> >slope. This often precedes 3) above.
>> >5) Artic / Antartic sea smoke - a rare fog formed when cold
>> >air passes over a warm surface. It is the same effect as
>> >opening the freezer door during a humid day (I think).
>> >
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 -----------------------jacob at iinet.net.au------------------------------

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004

Date: Sat, 03 Jul 1999 18:29:29 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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Subject: aus-wx: QLD ASWA Meeting
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Hi all!

A great ASWA meeting today with Jeff Callaghan (head of severe weather
in QLD) giving a great interactive talk, which I've had nothing but good
comments about!

I know that many people (including me) learnt a great deal, including
forecasting tips for the day on storm days.

It was great having him along, and although he isn't subscribed to this
list, I would like to thank him sincerely, and hope that he will attend
many more ASWA meetings.

I shall be writing him a thank you letter on behalf of ASWA.

The minutes of the meeting will be out soon.

Anthony Cornelius
QLD ASWA Co-ordinator
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005

Date: Sat, 03 Jul 1999 23:26:48 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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Subject: aus-wx: QLD ASWA Minutes
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Thanks to James Chambers for compiling these.

QLD ASWA meeting - Saturday, 3rd of July, 1999.

Attendees: Jeff Callaghan, Anthony Cornelius, John Woodbridge, Ben
Quinn, Joanne Walker, John Graham, James Chambers, Steve Baynhem, Greg
Curtis, Michael Bath, Ross Portas.

Apologies: Narelle Bowmaker, John Sweatman, Craig Williams

Meeting commenced at 10:00am

* All welcomed to the meeting, especially Jeff Callaghan, head of the
Severe Weather Section at the Brisbane Bureau of Meteorology

Doppler Radar

- John Woodbridge inquired at the Qld University of Technology (QUT)
about a project to design a doppler radar system.  The project could
cost anywhere between $10 000 - $150 000 and we'd have to find a
suitable place in Brisbane.
- aim to ask a TV station for space for a doppler
- Sponsorship would be required and also Insurance companies will be
interested.  John will enquire further to the ICA.

Damage Assessment Program (DAP)

- Instructions handed out;
- Jeff C suggested a proper disclaimer should be developed and will give
Anthony and example of a disclaimer the BoM have; 
- - people involved in the DAP will ask people about the storm and a
laminated card with the Fujita/Torro/Beaufort Scales will be shown to
help with investigations.

Seminars

- Spotters need to be kept interested.  Right now there is little or no
interaction between BoM and spotters in Qld.
- Perhaps start seminars in Brisbane to get "it right" then go to other
areas such as Boonah and Toowoomba for seminars.
- Perhaps we'll have to wait for the aftermath of a major storm to
publish ads in newspapers etc because that's when the general public are
really interested.  These times are seemingly more valuable than before
the storm season.
- Jeff Callaghan agreed to a ASWA - BoM spotter seminar, Anthony
Cornelius and James Chambers to work with Jeff on organsing something
for this year (September).
- There IS a problem with severe weather education, particularly in SE
QLD, many more people are dying in SE QLD, than anywhere else in the
state despite FNQ (Far North QLD) having a relatively high rate of
tropical cyclones.

ASWA Brochure/Factsheet

We could work with the Qld Emergency Services to develop ASWA brochures
and factsheets.  The current cards with dangers for Severe
T'storms/Lightning and Tropical Cyclones are the right idea.
- The EMA (Emergency Management Australia) will be contacted, and asked
if ASWA can distribute their fridge information magnets, this will
include: lightning, severe t'storms and tropical cyclones.
- Set up stalls in shopping centres warning of seasonal severe storms,
this could be used as a recruiting tool for severe thunderstorm spotters
+ potential ASWA members.  As well as a key public weather education
tool.  Possibly could have a few years of recorded storm damage
(recorded on video by James Chambers) playing to draw people's
attention.
- If we develop ASWA fact sheets, we could distribute these to
libraries, public places where people can pick up information.

--------

Brief Topics (in order)

* When we deal with the media we should have one member for each state
who has experience in radio, as in they have a good voice and comes over
well.  So, there could be one media spokesperson for each state.

* The Nov-Dec Chase was discussed...remember to contact Matt Smith for
details and to put your name down if you're going.

* Photo Competion...congrats Michael Bath!

* T-shirts should be available for the next ASWA Meeting...prices going
up to $15/25

AGM

- Send your votes in for President, Vice-President, Secretary, Treasurer
and 6 Committee members - which will be opened at the AGM.  Votes sent
by snailmail.  You can vote for yourself and one other person, as long
as you've told that person and they agree with it!

Talk by Jeff Callaghan

- Jeff spoke at length about severe t'storms in SEQld and emphasised the
point about the seabreeze front which will often "jack-up" the storm.
Many supercell events such as 18/1/85, 24/12/89, 4/11/95, 13/11/98 and
16/12/98 were all strengthened rapidly by the seabreeze front.
- Also brief discussion about Tropical Cyclones and the transition
between the warm and cold-core cyclones.  (Or Tropical to Extra-Tropical
Cyclones).  These can still be a major threat even though they have lost
their Cyclone name.
- Cold air tornadoes, or "Coolies" were discussed.  They are more or
less the same as the tornadoes that spin out of Tropical Cyclones, East
Coast Lows, rainbands in the right conditions and strong cold fronts
(like those that cross SW WA and SA) .  Coolies are very very common
spinning off TCs.

* Lunch of very nice sandwiches, tim tams, all sorts of stuff!  Jeff
Callaghan left after lunch.  Thanks very much for coming Jeff!

* A Chase Video with 3 separate chases was shown by Michael Bath.  Very
nice footage of stucture/hail/CGs etc.

The best meeting so far.  Thanks especially to Jeff Callaghan of the BoM
for coming.

Anthony Cornelius
QLD ASWA Co-ordinator
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