000
WTNT33 KNHC 180232
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER  11
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
1100 PM AST MON AUG 17 2009

...BILL STRENGTHENS TO A CATEGORY TWO HURRICANE...
 
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 15.0 NORTH...LONGITUDE 48.3 WEST OR ABOUT 865 MILES...
1395 KM...EAST OF THE LESSER ANTILLES.
 
BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO WITH
A GRADUAL TURN TO THE NORTHWEST ON WEDNESDAY.
 
SATELLITE IMAGES INDICATE THAT THE MAXIMUM SUSTAINED WINDS HAVE
INCREASED TO NEAR 100 MPH...160 KM/HR...WITH HIGHER GUSTS. 
ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND
BILL COULD BECOME A MAJOR HURRICANE WITHIN THE NEXT DAY OR SO.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 150
MILES...240 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES.
  
...SUMMARY OF 1100 PM AST INFORMATION...
LOCATION...15.0N 48.3W
MAXIMUM SUSTAINED WINDS...100 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 17 MPH
MINIMUM CENTRAL PRESSURE...967 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.
 
$$
FORECASTER KIMBERLAIN/PASCH