Tropical Storm ISAAC

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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
1500 UTC THU AUG 23 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
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
* HAITI
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BRITISH VIRGIN ISLANDS
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. VIRGIN ISLANDS
* NORTH COAST OF DOMINICAN REPUBLIC FROM THE HAITI-DOMINICAN
REPUBLIC NORTHERN BORDER EASTWARD TO NORTH OF ISLA SAONA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED
ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED
ISLANDS AND THE TURKS AND CAICOS ISLANDS
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.  PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
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...JAMAICA...AND ELSEWHERE IN THE BAHAMAS SHOULD
MONITOR THE PROGRESS OF ISAAC.
 
TROPICAL STORM CENTER LOCATED NEAR 15.6N  65.4W AT 23/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT  13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......120NE   0SE   0SW  90NW.
12 FT SEAS..390NE  60SE   0SW 240NW.
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 15.6N  65.4W AT 23/1500Z
AT 23/1200Z CENTER WAS LOCATED NEAR 15.4N  64.8W
 
FORECAST VALID 24/0000Z 16.1N  67.4W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...120NE  30SE   0SW  90NW.
 
FORECAST VALID 24/1200Z 16.9N  70.0W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 25NE   0SE   0SW  25NW.
34 KT...130NE  50SE  30SW 100NW.
 
FORECAST VALID 25/0000Z 18.0N  72.4W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW  20NW.
50 KT... 40NE  20SE   0SW  40NW.
34 KT...140NE  60SE  40SW 120NW.
 
FORECAST VALID 25/1200Z 19.3N  74.6W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  20SE   0SW  40NW.
34 KT...140NE  60SE  40SW 120NW.
 
FORECAST VALID 26/1200Z 22.0N  78.5W...INLAND
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  20SE   0SW  40NW.
34 KT...140NE  60SE  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 27/1200Z 24.5N  81.5W...OVER WATER
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 28/1200Z 27.5N  84.5W
MAX WIND  75 KT...GUSTS  90 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.6N  65.4W
 
NEXT ADVISORY AT 23/2100Z
 
$$
FORECASTER BEVEN
 
 
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