IDW23100
40:3:1:24:21S100E999:11:00
SECURITE
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0117UTC 12 FEBRUARY 2011
GALE WARNING
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 0000 UTC a Tropical Low was centred within 60 nautical miles of
latitude twenty one decimal zero south (21.0S)
longitude one hundred decimal zero east (100.0E)
Recent movement : west southwest at 15 knots
Maximum winds : 30 knots
Central pressure: 1000 hPa
The low may develop into a tropical cyclone in the next 18 to 24 hours.
AREA AFFECTED
Within 60 nautical miles of the centre.
FORECAST
Maximum winds to 30 knots near the centre increasing to 35 knots by 0000 UTC 13
February.
From 0000 UTC 13 February, winds above 34 knots within 60 nautical miles of
centre with rough to very rough seas and moderate swell.
Forecast positions
At 1200 UTC 12 February: Within 90 nautical miles of 21.5 south 97.3 east
Central pressure 999 hPa.
Winds to 30 knots near centre.
At 0000 UTC 13 February: Within 120 nautical miles of 21.6 south 95.2 east
Central pressure 996 hPa.
Winds to 35 knots near centre.
REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to
tcwcwa@bom.gov.au or fax to +61892632261
or satellite to SAC 1241 through Land Earth Station Perth 312.
Next warning will be issued by 0700 UTC 12 February 2011.
WEATHER PERTH