Storm Alert issued at 29 Sep, 2009 6:00 GMT
Typhoon
KETSANA is forecast to strike land to the following likelihood(s) at the given lead time(s):
Red Alert Country(s) or Province(s)
Vietnam
probability for CAT 1 or above is 100% currently
probability for TS is 100% currently
Laos
probability for CAT 1 or above is 45% within 12 hours
probability for TS is 100% currently
Red Alert City(s) and Town(s)
Quang Ngai (15.1 N, 108.8 E)
probability for CAT 1 or above is 100% currently
probability for TS is 100% currently
Da Nang (16.1 N, 108.2 E)
probability for CAT 1 or above is 80% currently
probability for TS is 100% currently
Yellow Alert Country(s) or Province(s)
Cambodia
probability for TS is 90% within 12 hours
China
probability for TS is 55% currently
Yellow Alert City(s) and Town(s)
Qui Nhon (13.8 N, 109.2 E)
probability for TS is 95% currently
Dong Ha (16.8 N, 107.1 E)
probability for TS is 90% within 12 hours
Kon Tum (14.4 N, 108.0 E)
probability for TS is 90% currently
Tuy Hoa (13.1 N, 109.3 E)
probability for TS is 65% currently
Note that
Red Alert (Severe) is CAT 1 or above to between 31% and 100% probability.
Yellow Alert (Elevated) is CAT 1 or above to between 10% and 30% probability, or TS to above 50% probability.
CAT 1 means Typhoon strength winds of at least 74 mph, 119 km/h or 64 knots 1-min sustained.
TS means Tropical Storm strength winds of at least 39 mph, 63 km/h or 34 knots 1-min sustained.
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