000
WTNT33 KNHC 190236
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER  15
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
1100 PM AST TUE AUG 18 2009
 
...BILL A MAJOR HURRICANE...COULD STRENGTHEN FURTHER...

INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF
BILL.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE.  FOR STORM INFORMATION SPECIFIC TO YOUR AREA
OUTSIDE OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 17.2 NORTH...LONGITUDE 53.4 WEST OR ABOUT 555 MILES...
895 KM...EAST OF THE LEEWARD ISLANDS.
 
BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...
AND A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED ON WEDNESDAY. 
ON THIS TRACK...THE CORE OF THIS DANGEROUS HURRICANE WILL BE
PASSING WELL TO THE NORTHEAST OF THE NORTHERN LEEWARD ISLANDS LATE
WEDNESDAY AND EARLY THURSDAY.
 
REPORTS FROM A NOAA HURRICANE HUNTER PLANE INDICATE THAT THE MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO NEAR 125 MPH...205 KM/HR...WITH
HIGHER GUSTS.  BILL IS A CATEGORY THREE HURRICANE ON THE SAFFIR
-SIMPSON SCALE.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE DURING
THE NEXT 24 HOURS.
 
BILL IS A LARGE HURRICANE...AND HURRICANE FORCE WINDS EXTEND OUTWARD
UP TO 45 MILES...75 KM...FROM THE CENTER. TROPICAL STORM FORCE
WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM.
 
THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM RECONNAISSANCE DATA IS
952 MB...28.11 INCHES.

LARGE SWELLS ASSOCIATED WITH BILL WILL BE IMPACTING THE ISLANDS OF
THE NORTHEAST CARIBBEAN SEA DURING THE NEXT DAY OR TWO.
 
...SUMMARY OF 1100 PM AST INFORMATION...
LOCATION...17.2N 53.4W
MAXIMUM SUSTAINED WINDS...125 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 295 DEGREES AT 15 MPH
MINIMUM CENTRAL PRESSURE...952 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.
 
$$
FORECASTER KIMBERLAIN/PASCH