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Storm News
[Index][Aussie-Wx] |
Australian Weather Mailing List Archives: Saturday, 11 December 1999 |
From Subject
--------------------------------------------------------------------------------------
001 Ben Quinn [bodie at flatrate.net.au] Brisbane Storms
002 Anthony Cornelius [cyclone at flatrate.net.au] "Confirmed" Supercell in SEQ
003 Carl Smith [carls at ace-net.com.au] Re: Mini-tornado - Ipswich area SE Qld
004 astroman [astroman at chariot.net.au] Snowtown supercell damage
005 Anthony Cornelius [cyclone at flatrate.net.au] Chase in SEQ Today
006 "Michael Thompson" [michaelt at ozemail.com.au] Possible action in Nowra area
007 "Andrew McDonald" [mcdonald at one.net.au] Chase Report.
008 Jimmy Deguara [jdeguara at ihug.com.au] Chase S coast/S tabelands
009 "Michael Thompson" [michaelt at ozemail.com.au] Chase S coast/S tabelands
010 Paul Mossman [paulmoss at tpgi.com.au] TC Now going!
011 "Mark Hardy" [mhardy at magna.com.au] TC Now going!
012 "Dane Newman" [dpn at bigpond.com] Chilly In Melbourne
013 "Michael Thompson" [michaelt at ozemail.com.au] Chilly In Melbourne
014 kevans at kisser.net.au FIRST TC FORMS! TC ILSA
015 kevans at kisser.net.au TC Watch for Xmas Island Area & NW Low Update
016 "Michael Thompson" [michaelt at ozemail.com.au] Pre Frontal Westerly spoils chance of storms on South Coast
017 Paul Mossman [paulmoss at tpgi.com.au] TC Ilsa - who won the Comp?
018 "Patrick Tobin" [patricktobin at ozemail.com.au] The Cyclone competition
019 Dean S [deansgar at alphalink.com.au] Brisbane Tornado
020 Anthony Cornelius [cyclone at flatrate.net.au] Brisbane Tornado
021 Jacob [jacob at iinet.net.au] Perth Severe Thunderstorm Advice
022 Paul Mossman [paulmoss at tpgi.com.au] Heavy Rain
--------------------------------------------------------------------------------------
001
Date: Sat, 11 Dec 1999 06:18:31 +1100
From: Ben Quinn [bodie at flatrate.net.au]
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To: aussie-weather at world.std.com
Subject: Re: aus-wx: Brisbane Storms
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hey Ben from Brisbane here..
Well we had some veered nasty storms in SE QLD yesterday.. at 7pm last
night 35 000 homes were without power, powerlines were brought down (of
course), trees felled and uprooted, large hail reported from many
locations (up to golf ball size), buildings were nearly demolished or
unroofed and reports of flash flooding..
I have put up a very quick report on BSCH (it was up by 5pm yesterday
actually) with a radar loop of the storms.. this is the best radar i've
seen in Australia since i have had access to radar (which is only 8-9
months or so - but i had access to radar loops from last storm season as
well).. the areas of red on this loop in both NE NSW and SE QLD were
just jaw dropping, and there are PLENTY of very sus shapes in the
storms!
http://www.bsch.simplenet.com/products/recentevents.htm
One Supercell (i believe there is more than one on the loop) lasted for
almost 4 hours! And had red on radar for 2 hours and 40 mins!! And some
of these areas of red were bigger than the whole city of Redcliffe in
which i live!
Anthony Cornelius, James Chambers and myself will be going out to survey
the damage in SE QLD today - it is possible that the damage was caused
by a Tornado, but we don't know until we survey the damage.. hopefully
we will have some storms to chase later on today as well - there is a
large cloudband approaching us associated with an upper trough, and
there has been enough moisture for rain forecast for 2-3 model runs
now.. but hopefully it will still fire!
Matt Smith wrote:
>
> I spoke to Anthony and told him about damage to a school at Boonah,
> powerlines/trees down, reports of houses being unroofed, large hail,
> flooding etc etc ... will be very interesting to see this event unfold.
>
> He had pulled over in light rain, had not encountered any hail and that the
> storm had passed him, with some great lightning. He is doing a damage
> assessment tomorrow. (he is going to a party now :)
>
> Matt Smith
>
> >Just spoken again to Anthony -
> >
> >Hitting huge drops of rain now - he is almost directly under the Pink
> >area of the main cell hitting BNE - he was pulling over into a servo on
> >advice that there may be some hail very shortly..............
> >
> >Paul
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> > message.
> > -----------------------jacob at iinet.net.au------------------------------
> >
> >
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> -----------------------jacob at iinet.net.au------------------------------
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002
Date: Sat, 11 Dec 1999 06:31:15 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: "Confirmed" Supercell in SEQ
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hi all,
In the paper today, they had a small report on the t'storms yesterday, a
Bureau spokesman said "it was a very severe storm, we call this type of
storm a supercell" - although I think most people already knew it was a
supercell judging by radar structure and/or visual structure.
The tops were very high, James and I both estimated tops of at least
15km/50,000ft, probably a bit higher.
I did a small 'chase' yesterday in the suburbs (in peak hour!!) thanks
to Paul Mossman and Matthew Smith for a continual flow of information!!
In short - I had a very long/large guster that took me 4 shots at 28mm
to fit it in! I had torrential rain (visibility nearly non-existant,
had to put my hazard lights on - no place to pull over!) VERY large
drops, I went down one road and had 4 cars flash their lights/beep their
horn at me - I decided against going down there! And, towards the end,
I had a CG hit a light pole about 10m from me while I was driving, which
required a change in some clothing... :)
The updrafts yesterday were truly fantastic - the cap was quite strong
yesterday, and I didn't think that it would break, rather only border
range thunderstorms - but a few cells did break the cap, and nearly all
of those which did, became severe. Surprising given the relatively low
CAPE (although I calculated a max CAPE at Moree of 2813), but at the
time of the storms, I had a temperature of 30.6C, a DP of 22C - which
gives a CAPE of only 2449 here. It would have been much warmer on the
elevated mountain ranges, but this is often substituted with a lower
DP. Shear was great for supercells though, backing with height nearly
180 degrees!
--
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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-----------------------jacob at iinet.net.au------------------------------
003
X-Sender: carls at ford.ace-net.com.au
Date: Sat, 11 Dec 1999 07:13:40 +1000
To: aussie-weather mailing list [aussie-weather at world.std.com]
From: Carl Smith [carls at ace-net.com.au]
Subject: aus-wx: Re: Mini-tornado - Ipswich area SE Qld
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hi All.
ABC Brisbane radio news just reported that last nights storm in the Ipswich
area SE Qld included a "mini-tornardo" that cut a narrow path of damage
through a suburb.
Carl.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Carl Smith.
Gold Coast, Queensland, Australia.
carls at ace-net.com.au
Cyclone Tracking Maps Website:
http://www.ace-net.com.au/~carls/index.htm
Current Cyclone Information Page:
http://www.ace-net.com.au/~carls/current.htm
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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004
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Date: Sat, 11 Dec 1999 07:45:28 +1030
To: aussie-weather at world.std.com
From: astroman [astroman at chariot.net.au]
Subject: aus-wx: Snowtown supercell damage
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hi everyone,
I went out to inspect the damage caused from Wednesdays Supercell that hit
a few small towns in the Mid North. The general damage was on the western
side of a small range of hills just north west of Snowtown. Hail damage to
crops and wind damage caused by winds in excess of 122Km/h. were obvious as
I drove further north. I spoke to a couple of farmers in the area and both
said the clouds just rolled into each other, which indicated a very strong
gust front. The line of damage from north to south was roughly 15-20 Km
wide and length is undetermined at this stage. All power poles in the area
had been cut when I arrived but the ETSA people doing the work on them said
most of the poles in the area had been "bent" over, which is not hard to do
when you think about it. The ETSA crews had replaced 21 poles of a possible
48 that had been damaged during the 5 minute storm. Every tree, powerpole,
truck, house, shed, crop were all pointing in a general of east as well.
One thing I did notice was on the fences dividing farm lands only the N-S
running fences had debris over them, the E-W running fences had very little
or no debris on them at all.
A manmade flood was in the area as well, covering one of the roads. The
ground was very solid, so they flooded the area to get the poles out easier.
Full report will be typed up soon.
Regards
Andrew
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005
Date: Sat, 11 Dec 1999 07:17:33 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
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To: Australian Weather Mailing List [aussie-weather at world.std.com]
Subject: aus-wx: Chase in SEQ Today
Sender: aussie-weather-approval at world.std.com
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Hi all,
As Ben mentioned earlier, James, Ben and I will be going down to
Beenleigh/Boonah to survey the damage. Ben should be here by 7:30am
(yes, early - I've been up since 4:45am). We'll then be chasing any
thunderstorms that develop. This cloud will stuff a few things up for
us, but there'll still definately be storms - but they may be imbedded.
There is a somewhat clear area just to our west, hopefully this will
hold off before the main cloud band arrives.
Any updates during the day would be much appreciated, I'll have my dad's
mobile on me...the number is 0418 750 814 - if it goes to message
service (with some one saying Priest and Co. Bricklayers yada yada
yada), just leave a message.
Much appreciated, thanks!
--
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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-----------------------jacob at iinet.net.au------------------------------
006
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Possible action in Nowra area
Date: Sat, 11 Dec 1999 10:16:04 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
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The models indicate that the Nowra area may fire later today - best
conditions are actually further south near Batemans Bay, nothing on the SEQ
scale however, but CAPE and LI remain high after dark so an offshore
lightning show may be on the cards if low cloud from the SE does not invade.
The Nowra region has some chase possibilities east to Culburra and
Crookhaven Heads. The road from Shoalhaven Heads to Nowra is also good.
Around Jervis Bay there are also some good views especially east from
Huskisson as the vegetation is low heath. West there are no worthwhile
options. The prices Hwy south of Nowra is of poor chase standard too, with
tall forest.
Michael Thompson
http://thunder.simplenet.com
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-----------------------jacob at iinet.net.au------------------------------
007
From: "Andrew McDonald" [mcdonald at one.net.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Chase Report.
Date: Sat, 11 Dec 1999 10:08:35 +1100
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Heya Paul
Sorry I didn't get back to you about the address earlier - been a bust week
at work.....Did you get any storms up your way wednesday?? We missed out
big time down here.
11 Narbethong Drive
Greensborough VIC 3088
Chase report is great. Waiting for my first paycheque to come in so I can
get my fils developed.....
TTYS
Macca
----------
> From: vortex at wwdg.com
> To: aussie-weather at world.std.com
> Subject: aus-wx: Chase Report.
> Date: Friday, 10 December 1999 15:36
>
>
> Hey all
>
> Paul here. I've put up my report on the Thunder Down Under chase of this
year. It's at
>
> http://greenfield.fortunecity.com/dreams/238
>
> Go to my chase reports, reports 99 and it will be in there.
>
> Sorry there are no pics yet, but I've got to get them scanned as well as
developed.
>
> Paul.
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> -----------------------jacob at iinet.net.au------------------------------
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008
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Date: Sat, 11 Dec 1999 10:31:31 +1100
To: aussie-weather at world.std.com
From: Jimmy Deguara [jdeguara at ihug.com.au]
Subject: aus-wx: Chase S coast/S tabelands
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Matt Smith and I are going S to chase around the S coast/ S Tablelands or
Braidwood area. From here we can then head towards the coast if something
develops there.
My mobile number is 0408020468
Matt's mobile is 0407069693
Hopefully something may happen near that upper level jet
Jimmy Deguara
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009
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Chase S coast/S tabelands
Date: Sat, 11 Dec 1999 10:54:30 +1100
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I will have to try to combine a Family picnic with a storm chase !!
The road from Goulburn to Braidwood is storm chasing heaven, beautiful
vistas most of the way ! Do not get suckered by storms to the west / SW of
this road, you can see storms on the Brindabellas west of Canberra from here
and they look closer than what they actually are.
Michael
----- Original Message -----
From: Jimmy Deguara [jdeguara at ihug.com.au]
To: [aussie-weather at world.std.com]
Sent: Saturday, 11 December 1999 10:31
Subject: aus-wx: Chase S coast/S tabelands
> Matt Smith and I are going S to chase around the S coast/ S Tablelands or
> Braidwood area. From here we can then head towards the coast if something
> develops there.
>
> My mobile number is 0408020468
> Matt's mobile is 0407069693
>
> Hopefully something may happen near that upper level jet
>
> Jimmy Deguara
>
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> -----------------------jacob at iinet.net.au------------------------------
>
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010
Date: Sat, 11 Dec 1999 09:51:34 +0930
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: TC Now going!
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1. TROPICAL CYCLONE 01S WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
101800Z0 --- NEAR 9.8S7 99.2E0
MOVEMENT PAST SIX HOURS - 110 DEGREES AT 03 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
REPEAT POSIT: 9.8S7 99.2E0
---
FORECASTS:
12 HRS, VALID AT:
110600Z8 --- 10.0S1 99.7E5
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
VECTOR TO 24 HR POSIT: 115 DEG/ 03 KTS
---
24 HRS, VALID AT:
111800Z1 --- 10.3S4 100.3E4
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
VECTOR TO 36 HR POSIT: 130 DEG/ 03 KTS
---
36 HRS, VALID AT:
120600Z9 --- 10.7S8 100.8E9
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
VECTOR TO 48 HR POSIT: 130 DEG/ 03 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
121800Z2 --- 11.1S3 101.3E5
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 035 KT WINDS - 030 NM NORTHEAST SEMICIRCLE
040 NM ELSEWHERE
---
REMARKS:
102100Z4 POSITION NEAR 9.8S7 99.3E1.
TROPICAL CYCLONE (TC) 01S, LOCATED APPROXIMATELY 420 NM SOUTHWEST OF
JAVA, HAS TRACKED EAST-SOUTHEASTWARD AT 03 KNOTS DURING THE PAST 6
HOURS. THE WARNING POSITION IS BASED ON 101730Z2 INFRARED SATELLITE
IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE
INTENSITY ESTIMATES OF 30 KNOTS AND SYNOPTIC DATA. ANIMATED INFRARED
SATELLITE IMAGERY DEPICTS CONVECTION HAS INCREASED IN AREAL COVERAGE
OVER THE PAST 12 HOURS. A 101439Z8 SPECIAL SENSOR MICROWAVE IMAGER
(SSM/I) PASS AND A 101354Z4 TROPICAL RAINFALL MEASURING MISSION
(TRMM) PASS INDICATE A WELL DEFINED LOW-LEVEL CIRCULATION CENTER
(LLCC) WITH A CONVECTIVE BAND TO THE NORTH BEGINNING TO WRAP IN
TOWARD THE CENTER. TC 01S IS FORECAST TO TRACK GENERALLY
SOUTHEASTWARD WITHIN A WEAKNESS IN THE SUBTROPICAL RIDGE. TROPICAL
CYCLONE 01S SHOULD INCREASE IN INTENSITY AT A NEAR CLIMATOLOGICAL
RATE AS THE SYSTEM REMAINS UNDER THE UPPER-LEVEL RIDGE. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 101800Z0 IS 12 FEET. THIS WARNING
SUPERSEDES AND CANCELS NAVPACMETOCCEN 101621Z1 DEC 99 TROPICAL
CYCLONE FORMATION ALERT (WTXS22 PGTW 101630 ) NEXT WARNINGS AT
110900Z1 (DTG 110753Z7) AND 112100Z5 (DTG 111953Z0).//
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011
X-Mailer: Microsoft Outlook Express Macintosh Edition - 4.5 (0410)
Date: Sat, 11 Dec 1999 11:36:26 +1100
Subject: Re: aus-wx: TC Now going!
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
This warning is for the western system which is way out past Christmas Is.
The eastern low that appears on the Australian satellite images is due north
of Broome and still expected to develop into a TC later today.
MH
_____________________________________________________
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
_____________________________________________________
----------
>From: Paul Mossman
>To: aussie-weather at world.std.com
>Subject: aus-wx: TC Now going!
>Date: Sat, 11 Dec 1999 11:21 AM
>
> 1. TROPICAL CYCLONE 01S WARNING NR 001
> 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE
> MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
> ---
> WARNING POSITION:
> 101800Z0 --- NEAR 9.8S7 99.2E0
> MOVEMENT PAST SIX HOURS - 110 DEGREES AT 03 KTS
> POSITION ACCURATE TO WITHIN 060 NM
> POSITION BASED ON CENTER LOCATED BY SATELLITE
> PRESENT WIND DISTRIBUTION:
> MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
> REPEAT POSIT: 9.8S7 99.2E0
> ---
> FORECASTS:
> 12 HRS, VALID AT:
> 110600Z8 --- 10.0S1 99.7E5
> MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
> VECTOR TO 24 HR POSIT: 115 DEG/ 03 KTS
> ---
> 24 HRS, VALID AT:
> 111800Z1 --- 10.3S4 100.3E4
> MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
> VECTOR TO 36 HR POSIT: 130 DEG/ 03 KTS
> ---
> 36 HRS, VALID AT:
> 120600Z9 --- 10.7S8 100.8E9
> MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
> VECTOR TO 48 HR POSIT: 130 DEG/ 03 KTS
> ---
> EXTENDED OUTLOOK:
> 48 HRS, VALID AT:
> 121800Z2 --- 11.1S3 101.3E5
> MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
> RADIUS OF 035 KT WINDS - 030 NM NORTHEAST SEMICIRCLE
> 040 NM ELSEWHERE
> ---
> REMARKS:
> 102100Z4 POSITION NEAR 9.8S7 99.3E1.
> TROPICAL CYCLONE (TC) 01S, LOCATED APPROXIMATELY 420 NM SOUTHWEST OF
> JAVA, HAS TRACKED EAST-SOUTHEASTWARD AT 03 KNOTS DURING THE PAST 6
> HOURS. THE WARNING POSITION IS BASED ON 101730Z2 INFRARED SATELLITE
> IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE
> INTENSITY ESTIMATES OF 30 KNOTS AND SYNOPTIC DATA. ANIMATED INFRARED
> SATELLITE IMAGERY DEPICTS CONVECTION HAS INCREASED IN AREAL COVERAGE
> OVER THE PAST 12 HOURS. A 101439Z8 SPECIAL SENSOR MICROWAVE IMAGER
> (SSM/I) PASS AND A 101354Z4 TROPICAL RAINFALL MEASURING MISSION
> (TRMM) PASS INDICATE A WELL DEFINED LOW-LEVEL CIRCULATION CENTER
> (LLCC) WITH A CONVECTIVE BAND TO THE NORTH BEGINNING TO WRAP IN
> TOWARD THE CENTER. TC 01S IS FORECAST TO TRACK GENERALLY
> SOUTHEASTWARD WITHIN A WEAKNESS IN THE SUBTROPICAL RIDGE. TROPICAL
> CYCLONE 01S SHOULD INCREASE IN INTENSITY AT A NEAR CLIMATOLOGICAL
> RATE AS THE SYSTEM REMAINS UNDER THE UPPER-LEVEL RIDGE. MAXIMUM
> SIGNIFICANT WAVE HEIGHT AT 101800Z0 IS 12 FEET. THIS WARNING
> SUPERSEDES AND CANCELS NAVPACMETOCCEN 101621Z1 DEC 99 TROPICAL
> CYCLONE FORMATION ALERT (WTXS22 PGTW 101630 ) NEXT WARNINGS AT
> 110900Z1 (DTG 110753Z7) AND 112100Z5 (DTG 111953Z0).//
> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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> -----------------------jacob at iinet.net.au------------------------------
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012
From: "Dane Newman" [dpn at bigpond.com]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Chilly In Melbourne
Date: Sat, 11 Dec 1999 13:02:16 +1100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
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Cold front now crossing the city has brought fairly widespread
showers and cool temperatures. At 1.00pm here in Kilsyth the temperature has
dropped back to 12.7c. Dane.
013
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: Re: aus-wx: Chilly In Melbourne
Date: Sat, 11 Dec 1999 13:42:09 +1100
X-Mailer: Microsoft Outlook Express 5.00.2014.211
Sender: aussie-weather-approval at world.std.com
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Yikes, I don't think we had a winter day that cold this year here.
Michael
----- Original Message -----
From:
Dane Newman
Sent: Saturday, 11 December 1999
13:02
Subject: aus-wx: Chilly In
Melbourne
Cold front now crossing the city has brought fairly
widespread showers and cool temperatures. At 1.00pm here in Kilsyth the
temperature has dropped back to 12.7c. Dane.
014
From: kevans at kisser.net.au
To: [aussie-weather at world.std.com]
Subject: aus-wx: FIRST TC FORMS! TC ILSA
Date: Sat, 11 Dec 1999 12:55:55 +0800
X-Mailer: Microsoft Outlook Express 5.00.2615.200
Sender: aussie-weather-approval at world.std.com
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<!--StartFragment-->IDW50W18
40:0:1:24:10S100E999:11:00
SECURITE
HIGH
SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF
METEOROLOGY TROPICAL CYCLONE WARNING
CENTRE PERTH AT 0447UTC 11 DECEMBER
1999
GALE WARNING FOR THE WESTERN AREA
SITUATION
Tropical
cyclone Ilsa with central pressure 996PA located at 0400UTC
Within 30
nautical miles of
Latitude ten decimal eight south [10.8S]
Longitude one hundred decimal six east [100.6E]
moving east southeast
at 10 knots.
<!--StartFragment-->AREA AFFECTED
Cyclone causing
rough to very rough seas, moderate swell and 30/45 knot winds
within 100
nautical miles of centre.
FORECAST
At 1600UTC 11 December. 10.9
south 101.4 east 990hPa
At 0400UTC 12 December. 11.4 south 102.9 east
985hPa
Next warning issued at 1100 UTC 11/12/1999
WEATHER
PERTH
Regards Jason
Karratha W.A
015
From: kevans at kisser.net.au
To: [aussie-weather at world.std.com]
Subject: aus-wx: TC Watch for Xmas Island Area & NW Low Update
Date: Sat, 11 Dec 1999 13:46:01 +0800
X-Mailer: Microsoft Outlook Express 5.00.2615.200
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Reply-To: aussie-weather at world.std.com
BUREAU OF METEOROLOGY
WESTERN AUSTRALIAN
REGIONAL OFFICE
Media: The Emergency Warning Signal should NOT be used
with this warning.
PRIORITY
TROPICAL CYCLONE ADVICE NUMBER
1
Issued at 1:15 pm WST on Saturday, 11 December 1999
BY THE BUREAU OF
METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE PERTH
CORRECTED
COPY
A WATCH is now current for a category 1 cyclone for the Christmas
Island area.
At noon WST cyclone Ilsa was estimated to be 560 kilometres
west of Christmas
Island and 440 kilometres east northeast of the Cocos
Islands, moving east
southeast at 18 kilometres per hour.
It is not
expected to cause gales in the Island area within the next
24
hours.
Details of cyclone Ilsa at noon WST.
Location
of centre : within 50 kilometres
of
Latitude 10.8 South Longtitude 100.6 East.
Recent
movement : east southeast at 18 kilometres per
hour.
Central Pressure : 996 hPa.
Maximum wind
gusts : 100 kilometres per hour near the centre.
Severity
category : 1.
The next warning will be issued at 7:00 pm
WST.
This advice is available by dialling 1300 659
210.
------------------------------------------------------
BUREAU OF METEOROLOGY
WESTERN AUSTRALIAN
REGIONAL OFFICE
TROPICAL CYCLONE OUTLOOK FOR NORTHWESTERN
AUSTRALIA
Issued at 1:25pm WST on Saturday the 11th of December 1999
For
the area between LONGITUDES 110 - 129 EAST
Tropical Low off Kimberley
coast at noon WST today
Location:
near 13.5S 120.0E about 540 kilometres [290 nautical miles]
north northwest of Broome and 560 kilometres [300 nautical
miles] northwest
of Derby.
Central Pressure :1001 hPa
Recent
movement :slowly south.
DEVELOPMENT POTENTIAL
next 24
hours : Moderate
24-48 hours
: High
48-72 hours :
High
REMARKS -
The tropical low persists well
offshore from the Kimberley. Its position is
difficult to locate, and the
position given above is accurate to within about 90
kilometres.
It
continues to develop slowly and still has a reasonable potential to form
into
a tropical cyclone over the next few days.
In the longer term
it is expected to move southward and may pose a threat to
coastal communities
into the next week.
Regards
Jason
Karratha W.A
----- Original Message -----
From:
kevans at kisser.net.au
Sent: Saturday, December 11, 1999 12:55
PM
Subject: aus-wx: FIRST TC FORMS! TC
ILSA
<!--StartFragment-->IDW50W18
40:0:1:24:10S100E999:11:00
SECURITE
HIGH
SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF
METEOROLOGY TROPICAL CYCLONE WARNING
CENTRE PERTH AT 0447UTC 11 DECEMBER
1999
GALE WARNING FOR THE WESTERN AREA
SITUATION
Tropical
cyclone Ilsa with central pressure 996PA located at 0400UTC
Within 30
nautical miles of
Latitude ten decimal eight south
[10.8S]
Longitude one hundred decimal six east [100.6E]
moving
east southeast at 10 knots.
<!--StartFragment-->AREA
AFFECTED
Cyclone causing rough to very rough seas, moderate swell and 30/45
knot winds
within 100 nautical miles of centre.
FORECAST
At
1600UTC 11 December. 10.9 south 101.4 east 990hPa
At 0400UTC 12
December. 11.4 south 102.9 east 985hPa
Next warning issued at
1100 UTC 11/12/1999
WEATHER PERTH
Regards Jason
Karratha
W.A
016
From: "Michael Thompson" [michaelt at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: Pre Frontal Westerly spoils chance of storms on South Coast
Date: Sat, 11 Dec 1999 17:30:17 +1100
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
The bane of Spring / Early summer weather for southern NSW is the pre
frontal / trough NW/W wind. Today it manifested itself around midday zapping
all surface moisture. The NE sea breeze was quickly driven back to sea, but
it ( the NE ) was only shallow as evidenced by a nice thunderstorm complex
that developed approx 100km east of Sydney, this then drifted eastwards.
This thunderstorm area was probably a dryline type setup that was on the
boundary of the west winds and true moist winds.
Michael Thompson
http://thunder.simplenet.com
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017
Date: Sat, 11 Dec 1999 16:30:13 +0930
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: TC Ilsa - who won the Comp?
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Howdy all.
With the 1st TC of the season being named by the WA BOM - can anyone
remember where the list was of the TC competition?
Paul.
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-----------------------jacob at iinet.net.au------------------------------
018
From: "Patrick Tobin" [patricktobin at ozemail.com.au]
To: [aussie-weather at world.std.com]
Subject: aus-wx: The Cyclone competition
Date: Sat, 11 Dec 1999 19:05:19 +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
Paul and everyone, the address you are after for
the competition bids is:
Patrick
019
Date: Sat, 11 Dec 1999 19:41:49 +1000
From: Dean S [deansgar at alphalink.com.au]
X-Mailer: Mozilla 2.02 (Win95; I)
To: aussie-weather at world.std.com
Subject: aus-wx: Brisbane Tornado
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hey everyone,
I just saw on the news that a so-called "mini-tornado" hit the
outer suburbs of Brisbane today. Any reports on this event would be
helpful. Thankyou very much.
Dean AL Sgarbossa
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-----------------------jacob at iinet.net.au------------------------------
020
Date: Sat, 11 Dec 1999 18:44:55 +1000
From: Anthony Cornelius [cyclone at flatrate.net.au]
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: aussie-weather at world.std.com
Subject: Re: aus-wx: Brisbane Tornado
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Hi Deano,
Ben and I went out and surveyed the damage this morning. We observed a
continuous damage path in excess of 100km, and a width averaging 3-4km.
Essentially, everywhere the supercell went, there were trees/large
branches down and debris strewn across the road.
We paid particular attention to Boonah, especially for possible tornado
damage. But I'm fairly confident that the damage caused, was not by a
tornado, rather straight line winds. All damage was in the same
direction, and there was no narrow path of damage, just a very wide path
of damage.
Several homes had lost their roof, a school was badly damaged, with two
blocks losing their roof, and part of the walls. In some cases, rooves
were blown in excess of 100m away! There were also signs ripped off
poles too, it was quite amazing really. Roads were covered with debris
(the car went CLUNK a couple of times as I accidently ran over a branch
or two).
Winds were at least 120-130km in some areas. Any information on how
strong winds need to be to rip a sign off a pole would be much
appreciated.
I'll do a full report for ASWA/BoM/BSCH in the next day or two.
Hope this helps.
Dean S wrote:
>
> Hey everyone,
>
> I just saw on the news that a so-called "mini-tornado" hit the
> outer suburbs of Brisbane today. Any reports on this event would be
> helpful. Thankyou very much.
>
> Dean AL Sgarbossa
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> -----------------------jacob at iinet.net.au------------------------------
--
Anthony Cornelius
Queensland Coordinator of the Australian Severe Weather Association
(ASWA)
(07) 3390 4812
14 Kinsella St
Belmont, Brisbane
QLD, 4153
Please report severe thunderstorms on our Queensland severe thunderstorm
reporting line on (07) 3390 4218 or by going to our homepage at
http://www.severeweather.asn.au
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-----------------------jacob at iinet.net.au------------------------------
021
X-Sender: jacob at mail.iinet.net.au
X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1
Date: Sat, 11 Dec 1999 18:24:18 +0800
To: aussie-weather at world.std.com
From: Jacob [jacob at iinet.net.au]
Subject: aus-wx: Perth Severe Thunderstorm Advice
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Some nice lightning around Perth on the moment, and the BoM just issued a
Severe Thunderstorm Advice.
PRIORITY
FOR IMMEDIATE BROADCAST
SEVERE THUNDERSTORM ADVICE
Issued at 5:55 pm WST on Saturday, 11 December 1999
People in eastern and southern parts of the Gascoyne, inland parts of the
Central West District, and northern parts of the Lower West District, including
the Perth Metropolitan area, are advised that there is a risk of severe
thunderstorms this evening.
Storms may be accompanied by hail, flash flooding and strong winds that could
result in damage to property.
The State Emergency Service advises that people should keep a lookout for
thunderstorms and if storms approach secure loose items, move vechicles under
cover, then stay indoors until the storms have passed. Driving conditions
may be
hazardous.
This Thunderstorm Advice will be updated at 9.00pm.
UPDATED FORECAST FOR THE PERTH METROPOLITAN AREA
Issued at 5:56pm WST on Saturday the 11th of December 1999 for tonight and
Sunday
FORECAST:
A Severe Thunderstorm Advice has been issued.
A Fire Weather Warning is current.
Occasional showers and thunderstorms overnight and tomorrow.
Fresh to strong and squally NE'ly winds.
TEMPERATURES: Minimum: 18 Maximum: 31
Jacob
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022
Date: Sat, 11 Dec 1999 21:59:14 +0930
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: Heavy Rain
Sender: aussie-weather-approval at world.std.com
Reply-To: aussie-weather at world.std.com
Howdy all.
Heavy rain for periods today - associated with drifting thunderstorms -
total here was 34mm just before dark. Most received in 1 major downpour
at about 3pm accomp with squally winds.
Strange thing here is that in Southern Australia you get used to basic
West - East weather patterns - up here the weather comes out of any
aera! Todays storms came from NE while yesterdays storms came out of the
SSE.
Hard to know where the hell its coming from!!
Paul.
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| Document: 991211.htm
Updated: 17 December 1999 |
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