Hurricane Bill
Public Advisory 31
949
WTNT33 KNHC 230239
TCPAT3
BULLETIN
HURRICANE BILL ADVISORY NUMBER 31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
1100 PM AST SAT AUG 22 2009
...BILL TURNING TOWARD THE NORTH-NORTHEAST...OUTER RAINBANDS
APPROACHING CAPE COD AND NANTUCKET...
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE EAST COAST OF
NOVA SCOTIA FROM CHARLESVILLE TO POINT ACONI. A HURRICANE WATCH
REMAINS IN EFFECT FOR THE EAST COAST OF NOVA SCOTIA FROM ECUM SECUM
TO POINT ACONI.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE COAST OF
MASSACHUSETTS FROM WOODS HOLE TO SAGAMORE BEACH...INCLUDING THE
ISLANDS OF MARTHAS VINEYARD AND NANTUCKET.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE NORTHERN COAST OF
NOVA SCOTIA FROM NORTH OF POINT ACONI WESTWARD TO TIDNISH...FOR THE
WESTERN COAST OF NOVA SCOTIA FROM FORT LAWRENCE TO CHARLESVILLE...
AND FOR PRINCE EDWARD ISLAND FROM VICTORIA IN QUEEN COUNTY
NORTHWARD TO LOWER DARNLEY IN PRINCE COUNTY.
A TROPICAL STORM WATCH IS ALSO IN EFFECT FROM PARSONS POND AROUND
THE WESTERN...SOUTHERN...AND EASTERN COASTS OF NEWFOUNDLAND TO
HARBOUR DEEP. A TROPICAL STORM WARNING MAY BE ISSUED ON SUNDAY
MORNING FOR PORTIONS OF SOUTHEASTERN NEWFOUNDLAND.
INTERESTS ELSEWHERE ALONG THE COAST OF NEW ENGLAND AND IN THE
CANADIAN MARITIMES 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 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 39.1 NORTH...LONGITUDE 67.8 WEST OR ABOUT 195 MILES...
315 KM...SOUTHEAST OF NANTUCKET MASSACHUSETTS AND ABOUT 435 MILES...
705 KM...SOUTH-SOUTHWEST OF HALIFAX NOVA SCOTIA.
BILL IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 25 MPH...41 KM/HR. A
TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE
EXPECTED ON SUNDAY. ON THE FORECAST TRACK...THE CORE OF HURRICANE
BILL WILL PASS OFFSHORE OF THE COAST OF NEW ENGLAND OVERNIGHT...BE
NEAR NEAR NOVA SCOTIA ON SUNDAY...AND BE NEAR NEWFOUNDLAND SUNDAY
NIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS. BILL IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. WEAKENING IS EXPECTED TO BEGIN ON SUNDAY AS BILL MOVES OVER
COOLER WATERS.
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. NOAA BUOY 44008...LOCATED ABOUT 60 MILES...100
KM...SOUTHEAST OF NANTUCKET...RECENTLY REPORTED A SUSTAINED WIND OF
29 MPH...49 KM/HR...AND A WIND GUST OF 40 MPH...65 KM/HR.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 961 MB...28.38 INCHES.
TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES WITH ISOLATED MAXIMUM
AMOUNTS OF 7 INCHES ARE EXPECTED NEAR THE TRACK OF BILL ACROSS NOVA
SCOTIA...PRINCE EDWARD ISLAND AND NEWFOUNDLAND. 1 TO 2 INCHES OF
RAIN ARE EXPECTED OVER NANTUCKET ISLAND...WITH AROUND 1 INCH
EXPECTED OVER OUTER CAPE COD AND MARTHAS VINEYARD.
LARGE SWELLS GENERATED BY HURRICANE BILL WILL CONTINUE TO AFFECT
MUCH OF THE U.S. EAST COAST AND SPREAD INTO THE ATLANTIC MARITIMES
OF CANADA OVERNIGHT AND SUNDAY. THESE SWELLS WILL LIKELY CAUSE
EXTREMELY DANGEROUS SURF AND LIFE-THREATENING RIP CURRENTS. SWELLS
FROM BILL ARE STILL AFFECTING THE BAHAMAS AND BERMUDA BUT SHOULD
GRADUALLY DIMINISH TONIGHT.
...SUMMARY OF 1100 PM AST INFORMATION...
LOCATION...39.1N 67.8W
MAXIMUM SUSTAINED WINDS...85 MPH
PRESENT MOVEMENT...NORTH-NORTHEAST OR 15 DEGREES AT 25 MPH
MINIMUM CENTRAL PRESSURE...961 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
