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Hurricane BILL (Text)


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HURRICANE BILL ADVISORY NUMBER  22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
500 PM AST THU AUG 20 2009
 
...LARGE AND POWERFUL HURRICANE BILL CHURNING NORTHWESTWARD...
SPREADING HIGH SWELLS OVER THE WESTERN ATLANTIC... 

AT 5 PM AST...2100 UTC...THE BERMUDA WEATHER SERVICE HAS ISSUED A
TROPICAL STORM WARNING FOR BERMUDA. A TROPICAL STORM WARNING MEANS
THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE
WARNING AREA WITHIN 24 HOURS.
 
A HURRICANE WATCH REMAINS IN EFFECT FOR BERMUDA.  A HURRICANE WATCH
MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
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 EYE OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 23.8 NORTH...LONGITUDE 63.2 WEST OR ABOUT 595 MILES...
960 KM...SOUTH OF BERMUDA AND ABOUT 1080 MILES...1735 KM...SOUTHEAST
OF CAPE HATTERAS NORTH CAROLINA.
 
BILL HAS BEEN MOVING STEADILY TOWARD THE NORTHWEST NEAR 18 MPH...30
KM/HR. THIS MOTION SHOULD CONTINUE THROUGH SATURDAY WITH A GRADUAL
TURN TO THE NORTH-NORTHWEST AND NORTH ON SATURDAY. ON THIS
FORECAST TRACK...THE CORE OF HURRICANE BILL IS EXPECTED TO PASS
OVER THE OPEN WATERS BETWEEN BERMUDA AND THE EAST COAST OF THE
UNITED STATES EARLY SATURDAY.
 
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.  ALTHOUGH SOME FLUCTUATIONS IN INTENSITY
ARE LIKELY DURING THE 12 TO 24 HOURS...BILL STILL HAS THE POTENTIAL
TO REGAIN CATEGORY FOUR STATUS ON FRIDAY.

BILL IS A LARGE HURRICANE AND ITS HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 115 MILES...185 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM.
 
THE MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RECONNAISSANCE
AIRCRAFT A FEW HOURS AGO WAS 948 MB...27.99 INCHES.

LARGE SWELLS GENERATED BY THIS HURRICANE ARE AFFECTING THE NORTHERN
LEEWARD ISLANDS...PUERTO RICO AND HISPANIOLA...AND SHOULD BEGIN
AFFECTING THE BAHAMAS...BERMUDA...MOST OF THE U.S. EAST COAST...AND
THE ATLANTIC MARITIMES OF CANADA DURING THE NEXT FEW DAYS.  THESE
SWELLS WILL LIKELY CAUSE EXTREMELY DANGEROUS SURF AND
LIFE-THREATENING RIP CURRENTS. PLEASE CONSULT STATEMENTS ISSUED BY
YOUR LOCAL WEATHER OFFICE FOR MORE DETAILS.
 
...SUMMARY OF 500 PM AST INFORMATION...
LOCATION...23.8N 63.2W
MAXIMUM SUSTAINED WINDS...125 MPH
PRESENT MOVEMENT...NORTHWEST OR 305 DEGREES AT 18 MPH
MINIMUM CENTRAL PRESSURE...948 MB
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM AST.
 
$$
FORECASTER AVILA/BLAKE
 
NNNN

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