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Hurricane BILL


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE BILL ADVISORY NUMBER  18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
500 PM AST WED AUG 19 2009
 
...BILL REMAINS AN EXTREMELY DANGEROUS CATEGORY 4 HURRICANE...NOW
MOVING NORTHWESTWARD...

INTERESTS IN THE NORTHERN LEEWARD ISLANDS AND BERMUDA 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 500 PM AST...2100 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 19.8 NORTH...LONGITUDE 57.6 WEST OR ABOUT 335 MILES...
535 KM...NORTHEAST OF THE LEEWARD ISLANDS AND ABOUT 970 MILES...1565
KM...SOUTH-SOUTHEAST OF BERMUDA.
 
BILL IS MOVING TOWARD THE NORTHWEST NEAR 20 MPH...32 KM/HR...AND
THIS GENERAL MOTION IS EXPECTED FOR THE NEXT DAY OR SO WITH A TURN
TOWARD THE NORTH-NORTHWEST FORECAST BY LATE FRIDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER
GUSTS.  BILL IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE DURING THE NEXT
COUPLE OF DAYS.
 
BILL IS A LARGE TROPICAL CYCLONE.  HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 85 MILES...140 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT WAS 947 MB...27.96 INCHES.
 
LARGE SWELLS ASSOCIATED WITH BILL WILL BE IMPACTING THE ISLANDS OF
THE NORTHEAST CARIBBEAN SEA DURING THE NEXT DAY OR TWO.  LARGE
SWELLS ASSOCIATED WITH BILL SHOULD ALSO BEGIN TO AFFECT BERMUDA AND
PORTIONS OF THE EASTERN COAST OF THE UNITED STATES FRIDAY AND
SATURDAY.
 
...SUMMARY OF 500 PM AST INFORMATION...
LOCATION...19.8N 57.6W
MAXIMUM SUSTAINED WINDS...135 MPH
PRESENT MOVEMENT...NORTHWEST OR 305 DEGREES AT 20 MPH
MINIMUM CENTRAL PRESSURE...947 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
 
$$
FORECASTER BLAKE
 
NNNN


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Page last modified: Thursday, 31-Dec-2009 12:09:04 UTC