992 
 WTNT24 KNHC 242054
 TCMAT4
  
 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  15
 NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
 2100 UTC FRI AUG 24 2012
  
 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
  
 THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
 FOR ANDROS ISLAND.
  
 THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR
 THE NORTHWESTERN BAHAMAS...INCLUDING THE ABACOS...BERRY ISLANDS...
 BIMINI...ELEUTHERA...GRAND BAHAMA ISLAND...AND NEW PROVIDENCE.
  
 A TROPICAL STORM WATCH HAS BEEN ISSUED FOR ALL OF THE FLORIDA
 KEYS INCLUDING THE DRY TORTUGAS...THE FLORIDA EAST COAST SOUTH OF
 JUPITER INLET...THE FLORIDA WEST COAST SOUTH OF BONITA
 BEACH...FLORIDA BAY...AND LAKE OKEECHOBEE.
  
 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
 * ANDROS ISLAND
 * 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
 * JAMAICA
 * THE NORTHWESTERN BAHAMAS...INCLUDING THE ABACOS...BERRY ISLANDS...
 BIMINI...ELEUTHERA...GRAND BAHAMA ISLAND...AND NEW PROVIDENCE.
 * THE FLORIDA KEYS INCLUDING THE DRY TORTUGAS
 * THE FLORIDA EAST COAST SOUTH OF JUPITER INLET
 * THE FLORIDA WEST COAST SOUTH OF BONITA BEACH
 * FLORIDA BAY AND LAKE OKEECHOBEE
  
 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 IN THE REMAINDER OF CUBA AND THE REMAINDER OF THE FLORIDA
 PENINSULA SHOULD MONITOR THE PROGRESS OF ISAAC.
  
 TROPICAL STORM CENTER LOCATED NEAR 17.2N  71.9W AT 24/2100Z
 POSITION ACCURATE WITHIN  20 NM
  
 PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT  14 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
 MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
 50 KT....... 60NE   0SE   0SW   0NW.
 34 KT.......160NE  90SE  75SW 120NW.
 12 FT SEAS..450NE 250SE  60SW 480NW.
 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 17.2N  71.9W AT 24/2100Z
 AT 24/1800Z CENTER WAS LOCATED NEAR 16.8N  71.4W
  
 FORECAST VALID 25/0600Z 18.7N  73.6W
 MAX WIND  50 KT...GUSTS  60 KT.
 50 KT... 60NE   0SE   0SW   0NW.
 34 KT...160NE  90SE  75SW 120NW.
  
 FORECAST VALID 25/1800Z 20.7N  76.2W...INLAND
 MAX WIND  50 KT...GUSTS  60 KT.
 50 KT... 60NE   0SE   0SW   0NW.
 34 KT...160NE  90SE  75SW 120NW.
  
 FORECAST VALID 26/0600Z 22.4N  78.6W...NEAR COAST OF CUBA
 MAX WIND  45 KT...GUSTS  55 KT.
 34 KT...160NE  90SE  75SW 120NW.
  
 FORECAST VALID 26/1800Z 23.9N  80.7W...OVER WATER
 MAX WIND  55 KT...GUSTS  65 KT.
 50 KT... 40NE  30SE   0SW  30NW.
 34 KT...160NE 120SE  40SW 120NW.
  
 FORECAST VALID 27/1800Z 26.5N  84.0W
 MAX WIND  65 KT...GUSTS  80 KT.
 50 KT... 50NE  30SE  20SW  30NW.
 34 KT...150NE 120SE  60SW 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 28/1800Z 29.5N  86.0W
 MAX WIND  75 KT...GUSTS  90 KT.
  
 OUTLOOK VALID 29/1800Z 32.0N  86.0W...INLAND
 MAX WIND  45 KT...GUSTS  55 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.2N  71.9W
  
 NEXT ADVISORY AT 25/0300Z
  
 $$
 FORECASTER BEVEN