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Sunday, April 3, 2011

Cyclone 20S - Southern Indian Ocean - Heading Towards AUSTRALIA

3 April 2011 - bulletin 173

SOUTHERN INDIAN OCEAN
Tropical cyclone 20S
Warning 05 from JTWC for 1500 GMT
Position 15.5S 124.4E
Location 710 miles ENE of Learmonth, Australia
Movement 240° (WSW) at 6 knots
Maximum sustained windspeeds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 25 to 30 miles of the centre
Comparative strength Tropical storm
Threatened landmasses Western Australia
Maximum significant wave height 10 feet
Next update from JTWC at 0300 GMT
Next update from BOM Australia at 0600 WST

20S is tracking southwest along the northwestern of Australia but is expected to move
into open waters once past Cape Leveque. It will then start to intensify to about 80
knots, before it veers south to make landfall in the Pilbara area of Western Australia.

Australian warnings
A Cyclone WARNING is now current for coastal areas from Kuri Bay to Bidyadanga
A Cyclone WATCH is now current for coastal areas from Bidyadanga to Whim Creek

BLUE ALERT: People in or near communities between Mitchell Plateau to Bidyadanga, including Mitchell Plateau, Kuri Bay, Cockatoo and Koolan islands, Cape Leveque, Beagle Bay, Broome and Bidyandanga should start taking precautions.

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC for 0600 GMT
System 95W
Position 9.9N 130.8E
Location 270 miles NW of Palau
Likelihood of tropical cyclone formation is GOOD

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