[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 182046
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER  14
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
500 PM AST TUE AUG 18 2009

...BILL APPROACHING MAJOR HURRICANE STATUS...

INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF
BILL.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE OF THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.

AT 500 PM AST...2100 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
BY AN AIR FORCE RESERVE HURRICANE HUNGER AIRCRAFT NEAR LATITUDE 16.6
NORTH...LONGITUDE 52.2 WEST OR ABOUT 635 MILES...1025 KM...EAST OF
THE LEEWARD ISLANDS.

BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/HR. A
WEST-NORTHWEST MOTION IS EXPECTED TO CONTINUE TONIGHT...FOLLOWED BY
A TURN TOWARD THE NORTHWEST ON WEDNESDAY.  ON THIS TRACK...THE CORE
OF BILL WILL BE PASSING WELL TO THE NORTHEAST OF THE NORTHERN
LEEWARD ISLANDS LATE WEDNESDAY AND EARLY THURSDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER
GUSTS.  BILL IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  STRENGTHENING IS FORECAST DURING THE NEXT DAY OR TWO AND
BILL IS EXPECTED TO BECOME A MAJOR HURRICANE TONIGHT OR WEDNESDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.

THE MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE AIRCRAFT WAS
962 MB...28.41 INCHES.

...SUMMARY OF 500 PM AST INFORMATION...
LOCATION...16.6N 52.2W
MAXIMUM SUSTAINED WINDS...110 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 290 DEGREES AT 16 MPH
MINIMUM CENTRAL PRESSURE...962 MB

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.

$$
FORECASTER BROWN/CANGIALOSI



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