Tropical Storm ISAAC

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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  14
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
1500 UTC FRI AUG 24 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WARNING FOR THE
CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...AND VILLA
CLARA.
 
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
FOR THE CENTRAL BAHAMAS INCLUDING CAT ISLAND...THE EXUMAS...LONG
ISLAND...RUM CAY...AND SAN SALVADOR.
 
THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WATCH FOR THE
CUBAN PROVINCES OF MATANZAS AND CIENFUEGOS.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WATCH IS IN EFFECT FOR...
* HAITI
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC
* HAITI
* CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...VILLA
CLARA...CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...SANTIAGO DE
CUBA...AND GUANTANAMO
* THE CENTRAL BAHAMAS INCLUDING CAT ISLAND...THE EXUMAS...LONG
ISLAND...RUM CAY...AND SAN SALVADOR
* SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED ISLAND...LONG
CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED ISLANDS
* TURKS AND CAICOS ISLANDS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* CUBAN PROVINCES OF MATANZAS AND CIENFUEGOS
* ANDROS ISLAND
* JAMAICA
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24 TO 36 HOURS.
 
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 THE REMAINDER OF CUBA...THE REMAINDER OF THE BAHAMAS...
SOUTH FLORIDA...AND THE FLORIDA KEYS SHOULD MONITOR THE PROGRESS OF
ISAAC.  WATCHES WILL LIKELY BE REQUIRED FOR PORTIONS OF THE FLORIDA
KEYS OR THE SOUTHERN FLORIDA PENINSULA LATER TODAY.
 
TROPICAL STORM CENTER LOCATED NEAR 16.3N  70.8W AT 24/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT  12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 60NE   0SE   0SW   0NW.
34 KT.......160NE  90SE  60SW 120NW.
12 FT SEAS..490NE  90SE  60SW 490NW.
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 16.3N  70.8W AT 24/1500Z
AT 24/1200Z CENTER WAS LOCATED NEAR 15.9N  70.4W
 
FORECAST VALID 25/0000Z 17.4N  72.6W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 60NE  30SE   0SW  30NW.
34 KT...160NE 120SE  60SW 120NW.
 
FORECAST VALID 25/1200Z 19.2N  75.1W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 60NE  30SE   0SW  30NW.
34 KT...160NE 120SE  60SW 120NW.
 
FORECAST VALID 26/0000Z 20.9N  77.6W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW   0NW.
34 KT...160NE 120SE  40SW 120NW.
 
FORECAST VALID 26/1200Z 22.3N  79.5W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...160NE 120SE  40SW 120NW.
 
FORECAST VALID 27/1200Z 25.0N  83.0W...OVER WATER
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 45NE  30SE   0SW  30NW.
34 KT...150NE 120SE  40SW 120NW.
 
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 28/1200Z 28.0N  85.5W
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 29/1200Z 31.0N  86.5W...INLAND
MAX WIND  70 KT...GUSTS  85 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.3N  70.8W
 
NEXT ADVISORY AT 24/2100Z
 
$$
FORECASTER BEVEN
 
 
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