Hurricane Bill
Public Advisory 27
911
WTNT33 KNHC 220237
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER 27
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
1100 PM AST FRI AUG 21 2009
...BILL MOVING NORTH-NORTHWESTWARD...BRINGING RAIN AND GUSTY WINDS
TO BERMUDA...
A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR
BERMUDA.
INTERESTS ALONG THE COAST OF NEW ENGLAND AND IN THE CANADIAN
MARITIMES SHOULD MONITOR THE PROGRESS OF BILL. TROPICAL STORM
WATCHES OR WARNINGS MAY BE ISSUED ON SATURDAY FOR NOVA SCOTIA AND
NEWFOUNDLAND.
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 31.0 NORTH...LONGITUDE 67.5 WEST OR ABOUT 180 MILES...
295 KM...WEST-SOUTHWEST OF BERMUDA AND ABOUT 545 MILES...880 KM...
EAST-SOUTHEAST OF CAPE HATTERAS NORTH CAROLINA.
BILL IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 20 MPH...32 KM/HR. A
TURN TOWARD THE NORTH IS EXPECTED ON SATURDAY...WITH A TURN TOWARD
THE NORTH-NORTHEAST AND AN INCREASE IN FORWARD SPEED ON SUNDAY. ON
THE 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 ON SATURDAY. BILL IS EXPECTED TO PASS OFFSHORE OF THE
COAST OF NEW ENGLAND LATE SATURDAY AND APPROACH NOVA SCOTIA ON
SUNDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER
GUSTS. BILL IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME STRENGTHENING IS POSSIBLE LATER TONIGHT OR SATURDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275
MILES...445 KM. A WEATHER STATION AT COMMISSIONERS POINT ON
BERMUDA...AT AN ELEVATION OF 250 FEET...RECENTLY REPORTED A
10-MINUTE SUSTAINED WIND OF 61 MPH...98 KM/HR...WITH A GUST OF 97
MPH...156 KM/HR.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 957 MB...28.26 INCHES.
BILL IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO 3
INCHES OVER BERMUDA...WITH MAXIMUM AMOUNTS OF 5 INCHES.
THE BERMUDA WEATHER SERVICE HAS INDICATED THAT THE STORM TIDE WILL
RAISE WATER LEVELS BY AS MUCH AS 3 FEET ABOVE GROUND LEVEL ALONG
THE COAST...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES.
LARGE SWELLS GENERATED BY HURRICANE BILL ARE AFFECTING THE BAHAMAS
AND BERMUDA...AND BEGINNING TO AFFECT THE SOUTHEAST COAST OF THE
UNITED STATES. LARGE SWELLS WILL BEGIN TO AFFECT MUCH OF THE
REMAINDER OF THE U.S. EAST COAST AND THE ATLANTIC MARITIMES OF
CANADA ON SATURDAY AND SUNDAY. THESE SWELLS WILL LIKELY CAUSE
EXTREMELY DANGEROUS SURF AND LIFE-THREATENING RIP CURRENTS.
...SUMMARY OF 1100 PM AST INFORMATION...
LOCATION...31.0N 67.5W
MAXIMUM SUSTAINED WINDS...105 MPH
PRESENT MOVEMENT...NORTH-NORTHWEST OR 345 DEGREES AT 20 MPH
MINIMUM CENTRAL PRESSURE...957 MB
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
AM AST.
$$
FORECASTER BRENNAN
