Hurricane Isaac

Forecast Advisory 7

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378
WTNT24 KNHC 222038
TCMAT4

TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 7
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012
2100 UTC WED AUG 22 2012

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS ISSUED A HURRICANE
WARNING FOR THE SOUTH COAST FROM ISLA SAONA WESTWARD TO THE
HAITI-DOMINICAN REPUBLIC SOUTHERN BORDER

A HURRICANE WATCH HAS BEEN ISSUED FOR ALL OF HAITI.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* SOUTH COAST OF DOMINICAN REPUBLIC FROM ISLA SAONA WESTWARD TO THE
HAITI-DOMINICAN REPUBLIC SOUTHERN BORDER

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MARTINIQUE
* DOMINICA
* GUADELOUPE AND THE SURROUNDING ISLANDS...AND ST. MARTIN
* ST. KITTS...NEVIS...ANTIGUA...BARBUDA...MONTSERRAT...AND ANGUILLA
* SABA...ST. EUSTATIUS...AND ST. MAARTEN
* BRITISH VIRGIN ISLANDS
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. VIRGIN ISLANDS

A HURRICANE WATCH IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. AND BRITISH VIRGIN
ISLANDS
* HAITI

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH COAST OF DOMINICAN REPUBLIC FROM THE HAITI-DOMINICAN
REPUBLIC NORTHERN BORDER EASTWARD TO NORTH OF ISLA SAONA

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS IN CUBA AND JAMAICA SHOULD MONITOR THE PROGRESS OF ISAAC.

TROPICAL STORM CENTER LOCATED NEAR 16.0N 61.2W AT 22/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 19 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 70NE 0SE 0SW 70NW.
12 FT SEAS..360NE 60SE 0SW 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 16.0N 61.2W AT 22/2100Z
AT 22/1800Z CENTER WAS LOCATED NEAR 15.9N 60.4W

FORECAST VALID 23/0600Z 16.3N 63.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 0SE 0SW 70NW.

FORECAST VALID 23/1800Z 16.7N 66.7W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 25NE 0SE 0SW 25NW.
34 KT... 70NE 40SE 30SW 70NW.

FORECAST VALID 24/0600Z 17.2N 69.4W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 20SE 0SW 30NW.
34 KT... 70NE 50SE 40SW 70NW.

FORECAST VALID 24/1800Z 17.9N 71.6W...INLAND
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT... 90NE 60SE 40SW 90NW.

FORECAST VALID 25/1800Z 20.5N 75.5W...INLAND
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT...110NE 70SE 50SW 100NW.

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 26/1800Z 23.5N 79.5W...OVER WATER
MAX WIND 60 KT...GUSTS 75 KT.

OUTLOOK VALID 27/1800Z 26.5N 82.5W
MAX WIND 70 KT...GUSTS 85 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.0N 61.2W

NEXT ADVISORY AT 23/0300Z

$$
FORECASTER BEVEN





337
WTNT25 KNHC 222040
TCMAT5

TROPICAL DEPRESSION TEN FORECAST/ADVISORY NUMBER 2
NWS NATIONAL HURRICANE CENTER MIAMI FL AL102012
2100 UTC WED AUG 22 2012

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL DEPRESSION CENTER LOCATED NEAR 13.1N 37.4W AT 22/2100Z
POSITION ACCURATE WITHIN 40 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 14 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
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 13.1N 37.4W AT 22/2100Z
AT 22/1800Z CENTER WAS LOCATED NEAR 12.9N 37.0W

FORECAST VALID 23/0600Z 14.0N 39.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 40SE 0SW 50NW.

FORECAST VALID 23/1800Z 15.0N 42.2W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 40SE 20SW 50NW.

FORECAST VALID 24/0600Z 16.0N 44.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 80NE 50SE 20SW 50NW.

FORECAST VALID 24/1800Z 17.1N 47.5W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 50NE 40SE 20SW 40NW.
34 KT...100NE 80SE 50SW 80NW.

FORECAST VALID 25/1800Z 19.9N 53.6W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 50NE 40SE 20SW 40NW.
34 KT...100NE 80SE 50SW 80NW.

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 26/1800Z 23.5N 59.5W
MAX WIND 55 KT...GUSTS 65 KT.

OUTLOOK VALID 27/1800Z 28.5N 64.5W
MAX WIND 60 KT...GUSTS 75 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.1N 37.4W

NEXT ADVISORY AT 23/0300Z

$$
FORECASTER KIMBERLAIN/ZELINSKY