Hurricane Bill

Forecast Advisory 30

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436
WTNT23 KNHC 222115
TCMAT3
HURRICANE BILL FORECAST/ADVISORY NUMBER 30...CORRECTED
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
2100 UTC SAT AUG 22 2009

CORRECTED TO CHANGE PORT LAWRENCE TO FORT LAWRENCE IN TROPICAL STORM
WATCH AREA

AT 500 PM AST...2100 UTC...ENVIRONMENT CANADA HAS EXTENDED THE
TROPICAL STORM WARNING FROM ECUM SECUM TO POINT ACONI AND HAS
EXTENDED THE TROPICAL STORM WATCH FOR NEWFOUNDLAND FROM ARNOLDS COVE
NORTHWARD TO HARBOUR DEEP. A TROPICAL STORM WARNING MEANS THAT
TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING
AREA WITHIN 24 HOURS.

A TROPICAL STORM WARNING IS NOW IN EFFECT FROM CHARLESVILLE TO POINT
ACONI. A HURRICANE WATCH REMAINS IN EFFECT FROM ECUM SECUM TO POINT
ACONI.

A TROPICAL STORM WATCH REMAINS IN EFFECT FROM NORTH OF POINT ACONI
WESTWARD TO TIDNISH AND FROM VICTORIA IN QUEEN COUNTY NORTHWARD TO
LOWER DARNLEY IN PRINCE COUNTY...PRINCE EDWARD ISLAND...AND FOR THE
WESTERN PORTION OF NOVA SCOTIA FROM PORT LAWRENCE TO CHARLESVILLE.
A TROPICAL STORM WATCH IS ALSO IN EFFECT FROM PARSONS POND AROUND
THE SOUTHWESTERN PORTION OF NEWFOUNDLAND TO HARBOUR DEEP.

A TROPICAL STORM WARNING IS IN EFFECT FOR THE COAST OF MASSACHUSETTS
FROM WOODS HOLE TO SAGAMORE BEACH...INCLUDING THE ISLANDS OF
MARTHAS VINEYARD AND NANTUCKET.

INTERESTS ELSEWHERE ALONG THE COAST OF NEW ENGLAND AND IN THE
CANADIAN MARITIMES SHOULD MONITOR THE PROGRESS OF BILL.

HURRICANE CENTER LOCATED NEAR 37.1N 68.8W AT 22/2100Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 21 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 961 MB
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 75NE 30SE 30SW 30NW.
50 KT.......100NE 75SE 60SW 50NW.
34 KT.......240NE 150SE 130SW 175NW.
12 FT SEAS..420NE 420SE 540SW 300NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 37.1N 68.8W AT 22/2100Z
AT 22/1800Z CENTER WAS LOCATED NEAR 36.0N 68.9W

FORECAST VALID 23/0600Z 40.2N 67.6W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 75NE 45SE 20SW 30NW.
50 KT...100NE 75SE 25SW 40NW.
34 KT...240NE 150SE 100SW 175NW.

FORECAST VALID 23/1800Z 44.2N 63.2W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 50NE 50SE 0SW 0NW.
50 KT...100NE 75SE 25SW 40NW.
34 KT...240NE 225SE 100SW 150NW.

FORECAST VALID 24/0600Z 48.0N 54.5W...INLAND
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...240NE 240SE 100SW 150NW.

FORECAST VALID 24/1800Z 50.0N 43.0W...EXTRATROPICAL
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...240NE 240SE 100SW 150NW.

FORECAST VALID 25/1800Z 52.0N 20.0W...EXTRATROPICAL
MAX WIND 30 KT...GUSTS 40 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 26/1800Z 57.0N 7.0W...EXTRATROPICAL
MAX WIND 25 KT...GUSTS 35 KT.

OUTLOOK VALID 27/1800Z 64.0N 2.5W...EXTRATROPICAL
MAX WIND 30 KT...GUSTS 40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.1N 68.8W

NEXT ADVISORY AT 23/0300Z

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FORECASTER AVILA/BRENNAN