SE Indian Ocean: Severe TC Glenda

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Rod Hagen
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#201 Postby Rod Hagen » Wed Mar 29, 2006 9:10 pm

Incident_MET wrote:Thanks for the info Rod. Was looking for something like that


http://www.bom.gov.au/ has links to the relevant official stuff.

For cyclone specific information use http://www.bom.gov.au/weather/wa/cyclone/

Cheers

Rod
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First news reports

#202 Postby Rod Hagen » Wed Mar 29, 2006 9:41 pm

From http://www.abc.net.au/news/newsitems/20 ... 604616.htm

_____________________________________

Gale force winds hit Karratha
The Western Australian mining town of Karratha is being hit by gale force winds of more than 100 kilometres an hour, as cyclone Glenda advances on the coast.

Although Glenda is still about 100 kilometres offshore, the Western Australian coastline is being battered.

The category 4 storm is expected to cross the coast later today, causing flooding and winds in excess of 200kph.

Emergency shelters have been set-up; the State Emergency Service (SES) has evacuated hundreds of people to the local TAFE.

The Pilbara TAFE's Keith Packham says the army has set up camp beds for the evacuees and other organisations have brought in food.

"I think we got caught in January when it came through, the one came in that quick, we've learnt over the years just what to do," he said.

Most of the resources industry is at a stand still as the cyclone bears down on the area.

Duty forecaster at the tropical cyclone warning centre, Neil Bennett, says it is one of the most powerful systems to threaten the Australian coastline.

"In terms of comparing it to other cyclones, it's the same intensity as tropical cyclone Tracy, and it's slightly weaker than Larry," he said.

"But it's also rather alarmingly sort of a similar strength to tropical cyclone Bobby which went through Onslow in 1995.

"With gusts of 235 kilometres an hour it's still a very powerful cyclone and one of the most powerful ones that residents in the Pilbara would have experienced over the last five to 10 years."

Iron ore boats which were loading in the Dampier Port have been sent out to sea to try to avoid the path of the cyclone.

Harbour Master Vic Justice says inside the port all the berths are empty and equipment has been tied down.

"The vessels at the various terminals, as they completed loading they sailed to put out to sea and get sufficient sea room to ride out the cyclone," he said.

"The vessels that were outside in the anchorage, some 12 in number, were progressively sailed from the anchorage area."

_____________________________

Cheers

Rod
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#203 Postby AussieMark » Thu Mar 30, 2006 12:01 am

It's bigger than Larry: Bureau


THE cyclone bearing down on northern Western Australia is bigger than the storm that flattened Darwin in 1974 and about as powerful as the cyclone that devastated north Queensland last week.

Cyclone Glenda was today lashing the Pilbara coastline with destructive gales, as its eye threatens to cross the coast this evening just west of Karratha and Dampier, about 1540 km north of Perth.
Wind gusts of up to 280km/h had been recorded near the centre of category four Glenda, which could grow stronger before it crosses the coast, Bureau of Meteorology senior forecaster Bruce Buckley said.

"It could intensify just a touch, and it could briefly reach category five, but it is more likely to cross the coast as a category four," Mr Buckley said.

Glenda is the third, and the biggest, cyclone to impact the Pilbara region this season, and is on a par with category five Larry which created disaster areas across north Queensland last week.

"The difference is miniscule. We've got Glenda as a very high category four and analysis shows Larry was a very high four or low category five when it crossed, so they are definitely in the same ballpark," he said.


"Glenda is probably a slightly larger cyclone in terms of the physical size of it."

Glenda is also bigger than cyclone Tracy which flattened Darwin in 1974.

"Tracy was an extremely small system, Glenda is a much larger system, affecting a much greater area, and it is a stronger cyclone than Tracy was as well."

The Fire and Emergency Services Authority of Western Australia today issued a red alert for people in the low-lying areas of Karratha, Roebourne, Point Samson, Wickham, Dampier and Mardie.

FESA operations area manager Jim Cahill said it was too dangerous to venture outside and evacuations in those areas had been been halted.

"We are asking people to stay indoors and to seek shelter," he said.

"The cyclone is basically very close and there are extreme winds and a lot of danger. If people haven't evacuated by now, it's probably a bit late."

The town of Mardie, 120km west of Karratha, is also facing the prospect of floods with the land waterlogged from rain brought by other recent cyclones.

Station manager at Mardie, Richard Climas, said today he was hoping the eye of the storm would pass directly over Mardie, which would spare his station from the worst of the cyclone's destructive effects. "At the moment there is a 50km eye and there is probably about 20km of really, really destructive winds," said Mr Climas.

Dampier's port has seen wind speeds increase to 60 knots this morning with seas packing a 3-4m swell inside the harbour, according to the Dampier Harbour master, Vic Justice.

"At this stage, the cyclone has altered course is travelling south-south west, towards Dampier," said Mr Justice. He had closed the port at 12.45am yesterday, which gave ships sufficient time to sail through cyclone's path to calmer waters. "Seven fully-loaded ships sailed at this time, in a staggered order," said Mr Justice by phone at 12pm AEDT (9am AWST).

Dampier, which has been hit by 5 tropical storms this year, has a cyclone plan which also involved sending ships moored outside the harbour, as well as support craft to offshore cyclone moorings.

NEWS.com.au reader and Karratha resident Richard Jehle described the situation in the town by email today. "We started to feel the effects of Glenda yesterday," Mr Jehle wrote. "About 9pm last night the rain started and has not stopped. Around 10pm the wind started to gradually pick up to what we now see as Gale Force Winds. At this point it is not as bad as (Cyclone) Clare was but we are waiting for it to get worse."

Glenda is the sixth cyclone of the WA cyclone season, which runs between November and April.

It is among the strongest ever to hit WA, as powerful as Bobby and Orson.

Category four cyclone Bobby passed near Onslow in 1995, damaging homes and causing widespread flooding.

Category five Orson passed near Dampier in 1989, causing widespread structural damage at Pannawonica.

With AAP


here are the tracks of Bobby and Orson mentioned in there


Tropical Cyclone Orson, 1989
Image

Tropical Cyclone Bobby, 1995
Image
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Rod Hagen
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#204 Postby Rod Hagen » Thu Mar 30, 2006 12:04 am

Latest projected track and threat maps

Image

Image

Seems to be expected to track a little further east than suggested yesterday.

Certainly jigging around a lot though.

Cheers

Rod[/img]
Last edited by Rod Hagen on Thu Mar 30, 2006 12:46 am, edited 4 times in total.
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#205 Postby Squeako da Magnifico » Thu Mar 30, 2006 12:09 am

Hey US friends this my first post i'm just an appentice at this sort of stuff. Just trying to learn. I was the one that told Clem about this site.

Latest report.

TOP PRIORITY

TROPICAL CYCLONE ADVICE NUMBER 45
Issued at 12:55 pm WST on Thursday, 30 March 2006
BY THE BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE PERTH

A CYCLONE WARNING is now current for a SEVERE CATEGORY 4 CYCLONE for coastal
areas between Port Hedland and Cape Cuvier, extending inland to Tom Price,
Paraburdoo and Mount Augustus. The CYCLONE WARNING between De Grey mouth and
Port Hedland is now CANCELLED.

A CYCLONE WATCH extends south to Kalbarri including inland parts of the
Gascoyne.

At 1pm WST SEVERE TROPICAL CYCLONE GLENDA was estimated to be
100 kilometres west northwest of Karratha and
150 kilometres north northeast of Onslow
and was moving south southeast at 22 kilometres per hour.

Very dangerous SEVERE TROPICAL CYCLONE GLENDA is expected to cross the coast
between Exmouth and Dampier, most likely in the vicinity of Mardie, later this
afternoon or this evening.

Gales with gusts to 100 kilometres per hour are occurring along the Pilbara
coast west of Port Hedland. Destructive winds with gusts to 130 kilometres per
hour are occurring on the coast in the vicinity of Karratha and west to Mardie.
Very destructive gusts to 250 kilometres an hour are expected near the cyclone
centre, and should commence on the Pilbara coast west of Dampier in the next
hour. Very destructive winds will extend to inland parts of the western Pilbara
overnight and Friday as the system moves further south.

Residents between Dampier and Onslow are specifically warned of the potential of
a very dangerous storm tide as the cyclone centre crosses the coast. Tides are
likely to rise significantly above the normal high tide mark with very dangerous
flooding and damaging waves.

Widespread heavy rain and flooding are likely in the western Pilbara and western
Gascoyne over the next few days.

Details of SEVERE TROPICAL CYCLONE GLENDA at 1pm WST Thursday.
Location of centre : within 30 kilometres of
Latitude 20.5 South Longitude 115.9 East.
Recent movement : south southwest at 22 kilometres per hour.
Central Pressure : 930 hPa.
Maximum wind gusts : 250 kilometres per hour.
Severity Category : 4

FESA-State Emergency Service advises of the following alerts:
RED ALERT: People in or near the communities of Point Samson, Wickham,
Roebourne, Karratha, Dampier and Mardie should move to shelter.
YELLOW ALERT: People in or near the communities of Exmouth, Pannawonica and
Onslow should commence action in preparation for the possibility of destructive
winds.
BLUE ALERT: People in other communities between Exmouth and Whim Creek,
including Tom Price and Paraburdoo should start taking precautions.
ALL CLEAR WITH CAUTION: People in the communities of De Grey, Port and South
Hedland.
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Video

#206 Postby Rod Hagen » Thu Mar 30, 2006 12:23 am

Some video is starting to come in from Dampier - see http://www.abc.net.au/reslib/200603/r79173_227212.ram for Real and http://www.abc.net.au/reslib/200603/r79173_227214.asx for WMP. No QuickTime I'm afraid.

There is more at http://www.abc.net.au/news/newsitems/20 ... 604848.htm



Rod
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Matt-hurricanewatcher

#207 Postby Matt-hurricanewatcher » Thu Mar 30, 2006 12:57 am

People 85h data shows a eye that has become solid...In has redeveloped. Also on satellite shows outflow developing. Maybe even a come back of a eye...We will see!

http://www.nrlmry.navy.mil/tc-bin/tc_ho ... egreeticks
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#208 Postby Inclement Weather » Thu Mar 30, 2006 1:17 am

STC Glenda is doing something similar to what Hurricane Ophelia did last year. Although Ophelia was nowhere near the strength of Glenda, it is skirting the coast like Ophelia. The good thing (if it is a good thing) for the coast of Western Australia is that Glenda is moving quicker than Ophelia. Still, its destructive impact is going to be greater if it continues along this track.

Welcome to the forum Squeak!
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#209 Postby HurricaneBill » Thu Mar 30, 2006 1:19 am

You think it's pulling a Fay and revving up prior to landfall?

Some Australian cyclones seem to do that.
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#210 Postby Matt-hurricanewatcher » Thu Mar 30, 2006 1:32 am

Some East and west Florida cyclones seem to do that to...Yes theres a eye reappearing on visible with a soild eye on both radar and 85h data.
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#211 Postby Inclement Weather » Thu Mar 30, 2006 1:33 am

It could be Hurricane Bill, it could be. From the latest IR sat imagery, the eye is staring to make a comeback, which seems to me to indicate an intensification. The SSTs are like a hot bath where she is at the moment.
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#212 Postby curtadams » Thu Mar 30, 2006 2:25 am

Matt, could you use TinyURL for these monster Navy links? http://tinyurl.com/ It's really great that you post these links but they blow the width on my browser (maybe other folks too!). Not a complaint, just a request.
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#213 Postby HurricaneBill » Thu Mar 30, 2006 2:54 am

I think Cyclone Gertie in 1995 actually strengthened AFTER landfall. It developed an eye over land.
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#214 Postby P.K. » Thu Mar 30, 2006 4:22 am

HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING
CENTRE PERTH AT 0644UTC 30 MARCH 2006

HURRICANE WARNING FOR THE WESTERN AREA

Please be aware, wind gusts can be a further 40 percent stronger than the
averages given here, and maximum waves may be up to twice the height.

SITUATION
At 0600UTC Severe Tropical Cyclone Glenda located within 15 nautical miles of
Latitude twenty decimal seven degrees South [20.7S]
Longitude one hundred and fifteen decimal eight degrees East [115.8E]
Recent movement : south southwest at 13 knots.
Maximum winds : 95 knots.
Central pressure : 930hPa.


AREA AFFECTED
Within 120 nautical miles of the centre.


FORECAST
Sustained winds near the centre to 95 knots, easing from 1200UTC 30 March 2006
as the system moves inland.
Within 30 nautical miles of centre, clockwise winds above 64 knots, phenomenal
seas and heavy swell.
Within 60 nautical miles of centre, clockwise winds above 48 knots, very high
seas and heavy swell.
Within 120 nautical miles of centre, winds above 33 knots with very rough seas
and heavy swell.


At 1800UTC 30 March: Inland within 40 nautical miles of
22.9 South 114.9 East
Central pressure 962hPa.
Winds to 70 knots near centre.
At 0600UTC 31 March: Within 60 nautical miles of 25.3 South 114.4 East
Central pressure 984hPa.
Winds to 45 knots near centre.

Next warning issued by 1300UTC 30 March 2006.


WEATHER PERTH
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#215 Postby Rod Hagen » Thu Mar 30, 2006 5:33 am

Its coming in , pretty much over Onslow - small town with 7 or 8 hundred people. Skirting the coast, though , and could still make a direct hit on Exmouth - about 3000 people there, from memory.

Image

____________________________________________
IDW24200
BUREAU OF METEOROLOGY
WESTERN AUSTRALIA REGIONAL OFFICE

Media: Transmitters serving the area between Roebourne and Onslow are requested
to sound the Standard Emergency Warning Signal before broadcasting the following
warning.

TOP PRIORITY

TROPICAL CYCLONE ADVICE NUMBER 51
Issued at 6:05 pm WST on Thursday, 30 March 2006
BY THE BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE PERTH

A CYCLONE WARNING is now current for a SEVERE CATEGORY 4 CYCLONE for coastal
areas between Dampier and Kalbarri and inland to Mount Augustus and includes
inland parts of the western Pilbara district.

A CYCLONE WATCH extends south to Jurien Bay and inland to Yalgoo, and includes
inland parts of the Gascoyne and Central West districts.

At 6pm WST SEVERE TROPICAL CYCLONE GLENDA was estimated to be
30 kilometres northeast of Onslow and
135 kilometres east northeast of Exmouth
and was moving south southwest at 25 kilometres per hour.

Very dangerous SEVERE TROPICAL CYCLONE GLENDA is in the process of crossing the
coast near Onslow.

Destructive winds with gusts to 130 kilometres per hour are occurring on the
coast between Dampier and Exmouth. Very destructive gusts to 250 kilometres an
hour are expected near the cyclone centre, and are occurring on the coast in the
vicinity of Onslow.

Very destructive winds will extend southward though the western Pilbara
overnight and Friday as the system moves further south and gradually weakens.

Residents at Onslow are specifically warned of the potential for a very
dangerous storm tide as the cyclone centre crosses the coast. Tides are likely
to rise significantly above the normal high tide mark with very dangerous
flooding and damaging waves.

Widespread heavy rain and flooding are likely in the western Pilbara and western
Gascoyne over the next few days.

Details of SEVERE TROPICAL CYCLONE GLENDA at 6pm WST Thursday.
Location of centre : within 30 kilometres of
Latitude 21.4 South Longitude 115.3 East.
Recent movement : south southwest at 25 kilometres per hour.
Central Pressure : 930 hPa.
Maximum wind gusts : 250 kilometres per hour.
Severity Category : 4

FESA-State Emergency Service advises of the following alerts:
RED ALERT: People in or near the communities of Onslow, Mardie, Pannawonica, and
Nanutarra should move to shelter.
YELLOW ALERT: People in or near the communities of Exmouth and Coral Bay should
commence action in preparation for the possibility of destructive winds.
BLUE ALERT: People in other communities between Coral Bay and Carnarvon,
including Carnarvon, Tom Price and Paraburdoo should start taking precautions.
ALL CLEAR WITH CAUTION: People in the communities of Port Samson, Wickham,
Roebourne, Karratha, Dampier and Whim Creek.

The next advice will be issued at 7pm WST Thursday.Cyclone advices and State
Emergency Service Community Alerts are available by
dialling 1300 659 210


A map showing the track of the cyclone is available at:
http://www.bom.gov.au/weather/wa/cyclone

_______________________________________

There is also further news coverage at http://www.abc.net.au/news/newsitems/200603/s1605115.htm and http://www.abc.net.au/news/newsitems/200603/s1605025.htm

Rod
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#216 Postby P.K. » Thu Mar 30, 2006 6:21 am

Learmont 256km radar: http://mirror.bom.gov.au/products/IDR292.shtml

TROPICAL CYCLONE ADVICE NUMBER 52
Issued at 7:00 pm WST on Thursday, 30 March 2006
BY THE BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE PERTH

A CYCLONE WARNING is now current for a SEVERE CATEGORY 4 CYCLONE for coastal
areas between Dampier and Kalbarri and inland to Mount Augustus and includes
inland parts of the western Pilbara district.

A CYCLONE WATCH extends south to Jurien Bay and inland to Yalgoo, and includes
inland parts of the Gascoyne and Central West districts.

At 7pm WST SEVERE TROPICAL CYCLONE GLENDA was estimated to be
25 kilometres northeast of Onslow and
130 kilometres east northeast of Exmouth
and was moving south southwest at 22 kilometres per hour.

Very dangerous SEVERE TROPICAL CYCLONE GLENDA is in the process of crossing the
coast near Onslow.

Destructive winds with gusts to 130 kilometres per hour are occurring on the
coast between Mardie and Exmouth. Very destructive gusts to 250 kilometres an
hour are expected near the cyclone centre, and are occurring on the coast in the
vicinity of Onslow.

Very destructive winds will extend southward though the western Pilbara
overnight and Friday as the system moves further south and gradually weakens.

Residents at Onslow are specifically warned of the potential for a very
dangerous storm tide as the cyclone centre crosses the coast. Tides are likely
to rise significantly above the normal high tide mark with very dangerous
flooding and damaging waves.

Widespread heavy rain and flooding are likely in the western Pilbara and western
Gascoyne over the next few days.

Details of SEVERE TROPICAL CYCLONE GLENDA at 7pm WST Thursday.
Location of centre : within 30 kilometres of
Latitude 21.5 South Longitude 115.3 East.
Recent movement : south southwest at 22 kilometres per hour.
Central Pressure : 930 hPa.
Maximum wind gusts : 250 kilometres per hour.
Severity Category : 4

FESA-State Emergency Service advises of the following alerts:
RED ALERT: People in or near the communities of Onslow, Mardie, Pannawonica, and
Nanutarra should move to shelter.
YELLOW ALERT: People in or near the communities of Exmouth and Coral Bay should
commence action in preparation for the possibility of destructive winds.
BLUE ALERT: People in other communities between Coral Bay and Carnarvon,
including Carnarvon, Tom Price and Paraburdoo should start taking precautions.
ALL CLEAR WITH CAUTION: People in the communities of Port Samson, Wickham,
Roebourne, Karratha, Dampier and Whim Creek.

The next advice will be issued at 8pm WST Thursday.Cyclone advices and State
Emergency Service Community Alerts are available by
dialling 1300 659 210
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The local NW WA radio station

#217 Postby Rod Hagen » Thu Mar 30, 2006 6:23 am

You can tune in to the ABC radio station that covers the cyclone strike area at http://abc.net.au/streaming/events/walocal.ram (Real) or http://abc.net.au/streaming/events/walocal.asx (WMA)

THeir main site is http://abc.net.au/northwestwa/

As I write this they are talking to people in Onslow.

Rod
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#218 Postby P.K. » Thu Mar 30, 2006 6:34 am

lol, Elton John on now. :lol: (He supports the same football team as me and owned it a few years ago)
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#219 Postby Rod Hagen » Thu Mar 30, 2006 6:57 am

Did you like the poem?

The guy from Mardie was rather fine, I thought. Laid back, laconic, "the steel girders are bending in the wind but I'll just have a beer" sort of guy!

:D

Ah, a Watford supporter, eh? When I was a lad in England in the early 1960's I used to follow Brghton & Hove Albion. I fear they are as close to the bottom of the league as you are t the top, at present!
Cheers

Rod
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#220 Postby P.K. » Thu Mar 30, 2006 7:06 am

If I'm honest I gave up after they went to some weird singing. :lol:

Have a look at this if you can. :wink: Vicarage Road is a 15 minute walk from where I curently am. :D If that doesn't work PM me and I'll be happy to send you another link I have to it.
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