329 
 WTNT24 KNHC 232055
 TCMAT4
  
 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  11
 NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
 2100 UTC THU AUG 23 2012
  
 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
  
 THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
 FOR THE SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED
 ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED
 ISLANDS AND THE TURKS AND CAICOS ISLANDS.
  
 THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WATCH FOR THE
 CUBAN PROVINCES OF CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...
 SANTIAGO DE CUBA...AND GUANTANAMO.
  
 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
 * SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED
 ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED
 ISLANDS AND THE TURKS AND CAICOS ISLANDS
  
 A TROPICAL STORM WATCH IS IN EFFECT FOR...
 * THE CUBAN PROVINCES OF CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...
 SANTIAGO DE CUBA...AND GUANTANAMO.
  
 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 JAMAICA...THE REMAINDER OF CUBA...THE REMAINDER OF THE
 BAHAMAS...SOUTH FLORIDA...AND THE FLORIDA KEYS SHOULD MONITOR THE
 PROGRESS OF ISAAC.
  
 TROPICAL STORM CENTER LOCATED NEAR 16.0N  67.1W AT 23/2100Z
 POSITION ACCURATE WITHIN  40 NM
  
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  14 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
 MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
 34 KT.......120NE  60SE   0SW  90NW.
 12 FT SEAS..500NE  60SE   0SW 360NW.
 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  67.1W AT 23/2100Z
 AT 23/1800Z CENTER WAS LOCATED NEAR 15.9N  66.4W
  
 FORECAST VALID 24/0600Z 16.6N  69.0W
 MAX WIND  40 KT...GUSTS  50 KT.
 34 KT...120NE  60SE   0SW  90NW.
  
 FORECAST VALID 24/1800Z 17.5N  71.5W
 MAX WIND  50 KT...GUSTS  60 KT.
 50 KT... 25NE   0SE   0SW  25NW.
 34 KT...130NE  50SE  30SW 100NW.
  
 FORECAST VALID 25/0600Z 18.9N  74.0W
 MAX WIND  60 KT...GUSTS  75 KT.
 50 KT... 40NE  20SE   0SW  40NW.
 34 KT...140NE  60SE  40SW 120NW.
  
 FORECAST VALID 25/1800Z 20.3N  76.2W...INLAND
 MAX WIND  55 KT...GUSTS  65 KT.
 50 KT... 40NE  20SE   0SW  30NW.
 34 KT...140NE  60SE  40SW 120NW.
  
 FORECAST VALID 26/1800Z 23.0N  80.0W...OVER WATER
 MAX WIND  50 KT...GUSTS  60 KT.
 50 KT... 30NE  20SE   0SW  20NW.
 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 27/1800Z 25.5N  83.0W
 MAX WIND  65 KT...GUSTS  80 KT.
  
 OUTLOOK VALID 28/1800Z 28.5N  85.5W
 MAX WIND  75 KT...GUSTS  90 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.0N  67.1W
  
 NEXT ADVISORY AT 24/0300Z
  
 $$
 FORECASTER BEVEN