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Australian Weather Mailing List Archives: Tuesday, 20 July 1999 |
From Subject
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001 Lindsay [writer at lisp.com.au] Big Snowfalls Expected...
002 Chas & Helen Osborn [hosborn at tassie.net.au] Strahan Wx
003 wbc at ozemail.com.au (Laurier Williams) Snow
004 Michael Scollay [michael.scollay at telstra.com. Charlotte Pass 3pm Obs of 20/7/1999 suspect...
005 Keith Barnett [weather at ozemail.com.au] Charlotte Pass 3pm Obs of 20/7/1999 suspect...
006 wbc at ozemail.com.au (Laurier Williams) Charlotte Pass 3pm Obs of 20/7/1999 suspect...
007 wbc at ozemail.com.au (Laurier Williams) Snow
008 wbc at ozemail.com.au (Laurier Williams) Snow
009 "McDonald" [mcdonald at one.net.au] Thanks for the snow.
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001
Date: Tue, 20 Jul 1999 08:52:59 -0700
From: Lindsay [writer at lisp.com.au]
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Big Snowfalls Expected...
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Thank God for that!
WE've been thinking of the poor alps folk and their lack of snow.
Hope we get some too. It's currently four degrees at 9 am tuesday here
with a wet-bulb of around 2.5, getting closer to borderline snow
conditions.
It's sort of raining/sleeting just now.
Fresh winds, strong at times.
Lindsay Pearce.
Michael Scollay wrote:
>
> The passage of a neat cold low developing and centred
> around the VIC/NSW border north of Bendigo at 0730UTC plus
> accompanying cold front will produce some big snowfalls
> tonight. This will add to already good snowfalls in the
> last 36 hours being +30cm last night and about +10cm since
> 9am today at Perisher Valley. Tonight's dump could be looking
> at +30cm also with the added benefit of being colder and dryer.
> These falls may also extend to the Central Tablelands earlier
> than previously expected which was Wed/Thu. It's about time
> that winter has finally reinstated itself...
>
> Michael Scollay mailto:michael.scollay at telstra.com.au
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002
Date: Tue, 20 Jul 1999 10:14:53 +1000
From: Chas & Helen Osborn [hosborn at tassie.net.au]
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Subject: aus-wx: Strahan Wx
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Hello Everyone
We had 30mm of rain over the weekend with a further 8mm till 9am today.
Most of the action was up the north coast with gusts at 100kmh one
neatly taking a roof off a house and dumping it in the next door
neighbours yard where the owner had just been. He had just gone inside
to have a cuppa.
Min temp last night 9C max today 11C.
Just from the airport SW 17G27KT Q0998
9am observations
CAPE SORELL WIND WSW 21KT
** WAVERIDER SIGNIFICANT WAVE HEIGHT 5.1m
MAXIMUM HEIGHT OVER THE PAST 3 HRS 8.2m
AVERAGE PERIOD 11 s
MAATSUYKER IS WIND NW 37KT
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003
From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: aus-wx: Snow
Date: Tue, 20 Jul 1999 08:06:59 GMT
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Oberon reported light snow during today (only 0.6mm in the raingauge,
though), and the Bowral observer added a note to the 3pm ob that there
had been past sleet. Snow depth at Charlotte Pass is up to 95cm at 3pm
today from 80cm yesterday at 9am and 50cm at 9am Sunday, which should
make the skiers happier.
All the models are bringing a secondary development ENE under Tasmania
into the Tasman during Thursday, but vary in what they're doing with
colder air aloft. GASP and the EC bring the 536 thickness line right
up to middle NSW with 850hPa temps down to -3, though the GASP doesn't
have much precipitation forecast. Both US models are more circumspect,
though last night's AVN has a very nice little southerly jet shooting
up the western side of the surface low. All in all I think the
prospect for some snow in Vic and NSW on Thursday is pretty good
(which I'm cursing, because I'll be in Sydney...), but I don't think
the quantity will be too much.
--
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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004
Date: Tue, 20 Jul 1999 18:22:25 +1000
From: Michael Scollay [michael.scollay at telstra.com.au]
Organization: Telstra Strategy & Research
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To: Aussie Weather [aussie-weather at world.std.com]
Subject: aus-wx: Charlotte Pass 3pm Obs of 20/7/1999 suspect...
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Reply-To: aussie-weather at world.std.com
I've been checking out the recent weather in our Snowy
Mountains today and I find it really hard to believe
that the observer recorded the following obs for
Charlotte Pass:
---Extracted Text from IDA31N00---
...
Cabramurra AWS -1 0 2
...
Charlotte Pass -7 4
...
Perisher Valley -3 -1 10
Thredbo 0 - -
Thredbo AWS -3 -3 0.8
...
---End Extract---
Other stations clearly show that this maximum was a
local anomaly that should be discarded from the record.
Perisher Valley is 8km down the same valley a few metres
lower in altitude. Thredbo AWS is higher about 6km to the
SW and Cabramurra AWS is lower about 30km to the NW. How
the same air mass moving at an average above 30kph all day
can produce such an anomaly is beyond my rational imagine
other than to suggest that someone left the engine of a
snowcat or snowmobile running with the exhaust somehow
polluting the thermometer. Further, it hasn't stopped
snowing all day with cloud persisting near ground level.
That means a relative humidity near 100% at +4C which
results in rain or drizzle. That just didn't happen
according to anyone that I rang at Charlotte Pass and
Perisher.
Michael Scollay mailto:michael.scollay at telstra.com.au
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005
Date: Tue, 20 Jul 1999 19:11:23 +1000
From: Keith Barnett [weather at ozemail.com.au]
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Subject: Re: aus-wx: Charlotte Pass 3pm Obs of 20/7/1999 suspect...
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
I wonder if the observer simply omitted a minus sign in front of the 4?
Michael Scollay wrote:
>
> I've been checking out the recent weather in our Snowy
> Mountains today and I find it really hard to believe
> that the observer recorded the following obs for
> Charlotte Pass:
>
> ---Extracted Text from IDA31N00---
> ...
> Cabramurra AWS -1 0 2
> ...
> Charlotte Pass -7 4
> ...
> Perisher Valley -3 -1 10
> Thredbo 0 - -
> Thredbo AWS -3 -3 0.8
> ...
> ---End Extract---
>
> Other stations clearly show that this maximum was a
> local anomaly that should be discarded from the record.
> Perisher Valley is 8km down the same valley a few metres
> lower in altitude. Thredbo AWS is higher about 6km to the
> SW and Cabramurra AWS is lower about 30km to the NW. How
> the same air mass moving at an average above 30kph all day
> can produce such an anomaly is beyond my rational imagine
> other than to suggest that someone left the engine of a
> snowcat or snowmobile running with the exhaust somehow
> polluting the thermometer. Further, it hasn't stopped
> snowing all day with cloud persisting near ground level.
> That means a relative humidity near 100% at +4C which
> results in rain or drizzle. That just didn't happen
> according to anyone that I rang at Charlotte Pass and
> Perisher.
>
> Michael Scollay mailto:michael.scollay at telstra.com.au
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> message.
> -----------------------jacob at iinet.net.au------------------------------
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006
From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Charlotte Pass 3pm Obs of 20/7/1999 suspect...
Date: Tue, 20 Jul 1999 10:47:15 GMT
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On Tue, 20 Jul 1999 19:11:23 +1000, Keith Barnett
wrote:
>I wonder if the observer simply omitted a minus sign in front of the 4?
>
Quite likely. The reported max was +4, and the reported 3pm dry bulb
and dew points +4.1 and +2.1 respectively. Minuses all round would
seem more likely. Of interest, too, is that the observer reported (a)
present weather fine, (b) past weather fine with variable cloud, and
(c) zero rainfall. Perisher reported 10mm precip 9 to 3, with cont mod
snow at 3pm and past snow. Crackenback auto reported 0.8mm 9 to 3 with
a 30 knot WNW wind. Also of interest is that the Perisher observer
reported continuous moderate snow but a visibility of 20km.
Methinks that obs from the ski resorts may sometimes play second
fiddle to many other activities.
--
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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007
From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: aus-wx: Snow
Date: Tue, 20 Jul 1999 10:50:15 GMT
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Oberon reported light snow during today (only 0.6mm in the raingauge,
though), and the Bowral observer added a note to the 3pm ob that there
had been past sleet. Snow depth at Charlotte Pass is up to 95cm at 3pm
today from 80cm yesterday at 9am and 50cm at 9am Sunday, which should
make the skiers happier.
All the models are bringing a secondary development ENE under Tasmania
into the Tasman during Thursday, but vary in what they're doing with
colder air aloft. GASP and the EC bring the 536 thickness line right
up to middle NSW with 850hPa temps down to -3, though the GASP doesn't
have much precipitation forecast. Both US models are more circumspect,
though last night's AVN has a very nice little southerly jet shooting
up the western side of the surface low. All in all I think the
prospect for some snow in Vic and NSW on Thursday is pretty good
(which I'm cursing, because I'll be in Sydney...), but I don't think
the quantity will be too much.
******** Apologies if this comes through twice. I sent it 3 hours ago
and it still hasn't shown up on the list *********
--
Laurier Williams
Australian Weather Links and News
http://www.ozemail.com.au/~wbc/
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008
From: wbc at ozemail.com.au (Laurier Williams)
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Snow
Date: Tue, 20 Jul 1999 10:54:33 GMT
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Oops -- my mistake. It filed itself out of view. Doh!
Might get some light snow here at Blackheath tonight. Mt Boyce is
reporting temps around 3 degrees and falling, with a 15 to 25 knot WSW
wind. May be enough to let some of the showers that have been falling
out Oberon way all day drift across here overnight and early morning
and fall as snow.
Laurier
On Tue, 20 Jul 1999 10:50:15 GMT, wbc at ozemail.com.au (Laurier
Williams) wrote:
>Oberon reported light snow during today (only 0.6mm in the raingauge,
>though), and the Bowral observer added a note to the 3pm ob that there
>had been past sleet. Snow depth at Charlotte Pass is up to 95cm at 3pm
>today from 80cm yesterday at 9am and 50cm at 9am Sunday, which should
>make the skiers happier.
>
>All the models are bringing a secondary development ENE under Tasmania
>into the Tasman during Thursday, but vary in what they're doing with
>colder air aloft. GASP and the EC bring the 536 thickness line right
>up to middle NSW with 850hPa temps down to -3, though the GASP doesn't
>have much precipitation forecast. Both US models are more circumspect,
>though last night's AVN has a very nice little southerly jet shooting
>up the western side of the surface low. All in all I think the
>prospect for some snow in Vic and NSW on Thursday is pretty good
>(which I'm cursing, because I'll be in Sydney...), but I don't think
>the quantity will be too much.
>
>******** Apologies if this comes through twice. I sent it 3 hours ago
>and it still hasn't shown up on the list *********
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009
From: "McDonald" [mcdonald at one.net.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Thanks for the snow.
Date: Tue, 20 Jul 1999 23:11:25 +1000
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Hi all - a very pleased Macca here.
Just a quick thankyou note.
Oh thou heavenly cold pool which hath dumped shitloadeth amounts of snow
upon thy ski field - i thank you.
Hotham has 60cm and Falls has 59cm with more to come Tues. night, Wed,
Thurs and hopefully Tuesday next week too so I can ski on some POWDER
baby.!!!!!!
Andrew McDonald.
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| Document: 990720.htm
Updated: 24 July 1999 |
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