Hurricane Irene

Forecast Advisory 12

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266
WTNT24 KNHC 230832
TCMAT4

HURRICANE IRENE FORECAST/ADVISORY NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
0900 UTC TUE AUG 23 2011

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* NORTH COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER
EASTWARD TO CABO ENGANO
* TURKS AND CAICOS ISLANDS...SOUTHEASTERN AND CENTRAL BAHAMAS

A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE
DOMINICAN REPUBLIC BORDER
* NORTHWESTERN BAHAMAS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SOUTH COAST OF THE DOMINICAN REPUBLIC FROM SANTO DOMINGO EASTWARD
TO CABO ENGANO
* ALL OF HAITI

HURRICANE CENTER LOCATED NEAR 20.3N 70.1W AT 23/0900Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 978 MB
MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT.
64 KT....... 45NE 30SE 20SW 35NW.
50 KT....... 90NE 60SE 60SW 70NW.
34 KT.......180NE 120SE 120SW 130NW.
12 FT SEAS..180NE 120SE 35SW 150NW.
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 20.3N 70.1W AT 23/0900Z
AT 23/0600Z CENTER WAS LOCATED NEAR 20.1N 69.7W

FORECAST VALID 23/1800Z 20.9N 71.5W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 45NE 30SE 20SW 35NW.
50 KT... 90NE 60SE 60SW 70NW.
34 KT...180NE 130SE 120SW 140NW.

FORECAST VALID 24/0600Z 21.7N 73.3W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 45NE 35SE 25SW 35NW.
50 KT... 90NE 70SE 60SW 70NW.
34 KT...190NE 140SE 120SW 150NW.

FORECAST VALID 24/1800Z 22.9N 74.9W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 45NE 35SE 25SW 35NW.
50 KT... 90NE 70SE 60SW 70NW.
34 KT...190NE 150SE 120SW 160NW.

FORECAST VALID 25/0600Z 24.3N 76.2W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 90NE 70SE 60SW 70NW.
34 KT...190NE 160SE 120SW 160NW.

FORECAST VALID 26/0600Z 28.0N 78.0W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 90NE 80SE 60SW 70NW.
34 KT...200NE 170SE 130SW 160NW.

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 27/0600Z 31.5N 78.3W
MAX WIND 105 KT...GUSTS 130 KT.

OUTLOOK VALID 28/0600Z 35.0N 78.0W...INLAND
MAX WIND 100 KT...GUSTS 120 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.3N 70.1W

NEXT ADVISORY AT 23/1500Z

$$
FORECASTER STEWART