274 
 WTNT24 KNHC 261457
 TCMAT4
  
 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  22
 NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
 1500 UTC SUN AUG 26 2012
  
 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
  
 THE HURRICANE WATCH FOR THE FLORIDA EAST COAST FROM GOLDEN BEACH
 SOUTHWARD TO OCEAN REEF IS DISCONTINUED.
  
 THE HURRICANE WATCH IS EXTENDED WESTWARD ALONG THE LOUISIANA COAST
 TO JUST EAST OF MORGAN CITY...INCLUDING METROPOLITAN NEW ORLEANS
 AND LAKE PONTCHARTRAIN.
  
 THE GOVERNMENT OF CUBA HAS DISCONTINUED THE TROPICAL STORM WARNING
 FOR THE CUBAN PROVINCES OF SANCTI SPIRITUS...CIEGO DE AVILA...
 CAMAGUEY...LAS TUNAS...HOLGUIN...GRANMA...SANTIAGO DE CUBA...AND
 GUANTANAMO.
  
 SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
  
 A HURRICANE WARNING IS IN EFFECT FOR...
 * THE FLORIDA KEYS INCLUDING THE DRY TORTUGAS
 * THE WEST COAST OF FLORIDA FROM BONITA BEACH SOUTHWARD TO OCEAN
 REEF
 * FLORIDA BAY
  
 A HURRICANE WATCH IS IN EFFECT FOR...
 * EAST OF MORGAN CITY LOUISIANA TO INDIAN PASS FLORIDA...INCLUDING
 METROPOLITAN NEW ORLEANS AND LAKE PONTCHARTRAIN
  
 A TROPICAL STORM WARNING IS IN EFFECT FOR...
 * THE CUBAN PROVINCE OF VILLA CLARA
 * THE NORTHWESTERN BAHAMAS
 * THE FLORIDA EAST COAST FROM SEBASTIAN INLET SOUTHWARD TO OCEAN
 REEF
 * LAKE OKEECHOBEE
 * THE FLORIDA WEST COAST AND THE FLORIDA PANHANDLE FROM NORTH OF
 BONITA BEACH TO INDIAN PASS...INCLUDING TAMPA BAY
  
 A TROPICAL STORM WATCH IS IN EFFECT FOR...
 * THE CUBAN PROVINCES OF MATANZAS AND CIENFUEGOS
 * THE FLORIDA EAST COAST NORTH OF SEBASTIAN INLET TO FLAGLER BEACH
  
 A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
 SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24
 HOURS. 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 THE REMAINDER OF CUBA...THE REMAINDER OF FLORIDA...AND
 THE REMAINDER OF THE NORTHERN GULF COAST SHOULD MONITOR THE PROGRESS
 OF ISAAC.
  
 TROPICAL STORM CENTER LOCATED NEAR 23.9N  80.8W AT 26/1500Z
 POSITION ACCURATE WITHIN  25 NM
  
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT  16 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  995 MB
 MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
 50 KT....... 60NE   0SE   0SW   0NW.
 34 KT.......180NE 180SE   0SW 180NW.
 12 FT SEAS..250NE 180SE   0SW 120NW.
 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 23.9N  80.8W AT 26/1500Z
 AT 26/1200Z CENTER WAS LOCATED NEAR 23.5N  80.0W
  
 FORECAST VALID 27/0000Z 25.0N  82.7W
 MAX WIND  65 KT...GUSTS  80 KT.
 64 KT... 20NE  10SE   0SW  10NW.
 50 KT... 60NE  30SE   0SW  20NW.
 34 KT...180NE 180SE  20SW 180NW.
  
 FORECAST VALID 27/1200Z 26.1N  84.8W
 MAX WIND  70 KT...GUSTS  85 KT.
 64 KT... 20NE  10SE   0SW  10NW.
 50 KT... 60NE  60SE  30SW  40NW.
 34 KT...180NE 180SE  60SW 180NW.
  
 FORECAST VALID 28/0000Z 27.4N  86.4W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 30NE  20SE  10SW  20NW.
 50 KT... 60NE  60SE  40SW  50NW.
 34 KT...180NE 150SE  80SW 160NW.
  
 FORECAST VALID 28/1200Z 28.5N  87.6W
 MAX WIND  80 KT...GUSTS 100 KT.
 50 KT... 70NE  60SE  50SW  60NW.
 34 KT...180NE 150SE  90SW 160NW.
  
 FORECAST VALID 29/1200Z 30.5N  89.0W
 MAX WIND  90 KT...GUSTS 110 KT.
 50 KT... 60NE  70SE  60SW  40NW.
 34 KT...100NE 150SE 110SW  90NW.
  
 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 30/1200Z 32.5N  89.5W...INLAND
 MAX WIND  30 KT...GUSTS  40 KT.
  
 OUTLOOK VALID 31/1200Z 34.5N  89.5W...INLAND
 MAX WIND  20 KT...GUSTS  30 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.9N  80.8W
  
 NEXT ADVISORY AT 26/2100Z
  
 $$
 FORECASTER PASCH/ROBERTS