000
WTNT33 KNHC 172032
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER  10
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
500 PM AST MON AUG 17 2009

...BILL HEADING WEST-NORTHWESTWARD...LITTLE CHANGE IN STRENGTH...
 
AT 500 PM AST...2100 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 14.6 NORTH...LONGITUDE 46.7 WEST OR ABOUT 975 MILES...
1570 KM...EAST OF THE LESSER ANTILLES.
 
BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 48
HOURS...AND BILL COULD BECOME A MAJOR HURRICANE BY WEDNESDAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145
MILES...230 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON DATA FROM NOAA BUOY
41041 IS 969 MB...28.61 INCHES.

...SUMMARY OF 500 PM AST INFORMATION...
LOCATION...14.6N 46.7W
MAXIMUM SUSTAINED WINDS...90 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 16 MPH
MINIMUM CENTRAL PRESSURE...969 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
 
$$
FORECASTER ROBERTS/BRENNAN