Tropical Storm ISAAC

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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  24
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
0300 UTC MON AUG 27 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE TROPICAL STORM WARNING ALONG THE EAST COAST OF FLORIDA HAS BEEN
DISCONTINUED NORTH OF JUPITER INLET.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* EAST OF MORGAN CITY LOUISIANA TO DESTIN FLORIDA...INCLUDING
METROPOLITAN NEW ORLEANS...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS
 
A HURRICANE WATCH IS IN EFFECT FOR...
* EAST OF DESTIN TO INDIAN PASS FLORIDA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE FLORIDA PENINSULA FROM JUPITER INLET SOUTHWARD ON THE
EAST COAST AND FROM TARPON SPRINGS SOUTHWARD ON THE WEST COAST.
* FLORIDA KEYS...INCLUDING THE DRY TORTUGAS AND FLORIDA BAY
* LAKE OKEECHOBEE
* EAST OF DESTIN FLORIDA TO THE SUWANNEE RIVER
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. 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.
 
WATCHES OR WARNINGS MAY BE EXTENDED WESTWARD ALONG THE COAST OF
LOUISIANA EARLY MONDAY.
 
TROPICAL STORM CENTER LOCATED NEAR 24.2N  82.9W AT 27/0300Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 60NE   0SE   0SW  60NW.
34 KT.......180NE 120SE  80SW 180NW.
12 FT SEAS..200NE 200SE 150SW 150NW.
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 24.2N  82.9W AT 27/0300Z
AT 27/0000Z CENTER WAS LOCATED NEAR 24.0N  82.5W
 
FORECAST VALID 27/1200Z 25.2N  84.8W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 60NE   0SE   0SW  60NW.
34 KT...180NE 120SE  80SW 180NW.
 
FORECAST VALID 28/0000Z 26.5N  86.7W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  20SE   0SW  20NW.
50 KT... 60NE  60SE  30SW  60NW.
34 KT...180NE 120SE  80SW 180NW.
 
FORECAST VALID 28/1200Z 27.9N  88.3W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 30NE  20SE  10SW  20NW.
50 KT... 60NE  60SE  40SW  50NW.
34 KT...180NE 150SE  80SW 160NW.
 
FORECAST VALID 29/0000Z 28.9N  89.3W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 70NE  60SE  50SW  60NW.
34 KT...180NE 150SE  90SW 160NW.
 
FORECAST VALID 30/0000Z 30.6N  90.3W...INLAND
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 50NE  60SE  60SW  40NW.
34 KT...100NE 150SE 100SW  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 31/0000Z 33.0N  91.0W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 01/0000Z 36.0N  91.0W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.2N  82.9W
 
NEXT ADVISORY AT 27/0900Z
 
$$
FORECASTER BROWN
 
 
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