Hurricane Irene

Forecast Advisory 30

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132
WTNT24 KNHC 272054
TCMAT4

HURRICANE IRENE FORECAST/ADVISORY NUMBER 30
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
2100 UTC SAT AUG 27 2011

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE HURRICANE WARNING HAS BEEN DISCONTINUED SOUTH OF CAPE FEAR NORTH
CAROLINA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* CAPE FEAR NORTH CAROLINA NORTHWARD TO SAGAMORE BEACH
MASSACHUSETTS...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK
SOUNDS...DELAWARE BAY...CHESAPEAKE BAY SOUTH OF DRUM POINT...NEW
YORK CITY...LONG ISLAND...LONG ISLAND SOUND...COASTAL CONNECTICUT
AND RHODE ISLAND...BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC
* NORTH OF SAGAMORE BEACH TO EASTPORT MAINE
* UNITED STATES/CANADA BORDER NORTHEASTWARD TO FORT LAWRENCE
INCLUDING GRAND MANAN
* SOUTH COAST OF NOVA SCOTIA FROM FORT LAWRENCE TO PORTERS LAKE

INTERESTS ELSEWHERE IN EASTERN CANADA SHOULD MONITOR THE PROGRESS OF
IRENE.

HURRICANE CENTER LOCATED NEAR 36.2N 76.0W AT 27/2100Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 15 DEGREES AT 11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 950 MB
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 75NE 75SE 35SW 35NW.
50 KT.......120NE 120SE 80SW 60NW.
34 KT.......250NE 250SE 150SW 125NW.
12 FT SEAS..360NE 420SE 180SW 0NW.
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 36.2N 76.0W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 35.5N 76.3W

FORECAST VALID 28/0600Z 38.1N 75.1W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 75NE 75SE 35SW 35NW.
50 KT...120NE 120SE 80SW 60NW.
34 KT...250NE 250SE 150SW 125NW.

FORECAST VALID 28/1800Z 41.7N 73.2W...INLAND
MAX WIND 60 KT...GUSTS 75 KT.
50 KT...120NE 120SE 80SW 50NW.
34 KT...250NE 250SE 150SW 100NW.

FORECAST VALID 29/0600Z 46.2N 70.2W...POST-TROP/EXTRATROP
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...250NE 270SE 60SW 75NW.

FORECAST VALID 29/1800Z 50.7N 66.3W...POST-TROP/EXTRATROP
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...300NE 300SE 200SW 0NW.

FORECAST VALID 30/1800Z 56.5N 53.5W...POST-TROP/EXTRATROP
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...240NE 360SE 360SW 180NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 31/1800Z 59.0N 37.0W...POST-TROP/EXTRATROP
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 01/1800Z 61.0N 26.0W...POST-TROP/EXTRATROP
MAX WIND 35 KT...GUSTS 45 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.2N 76.0W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER BROWN