Hurricane ISAAC

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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  31
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
2100 UTC TUE AUG 28 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* EAST OF MORGAN CITY LOUISIANA TO THE MISSISSIPPI-ALABAMA BORDER...
INCLUDING METROPOLITAN NEW ORLEANS...LAKE PONTCHARTRAIN...AND LAKE
MAUREPAS
 
A HURRICANE WATCH IS IN EFFECT FOR...
* INTRACOASTAL CITY TO MORGAN CITY LOUISIANA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE MISSISSIPPI-ALABAMA BORDER TO DESTIN FLORIDA
* MORGAN CITY TO CAMERON LOUISIANA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* EAST OF HIGH ISLAND TEXAS TO JUST WEST OF CAMERON LOUISIANA
 
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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA.
 
HURRICANE CENTER LOCATED NEAR 28.7N  89.2W AT 28/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT....... 50NE  50SE   0SW   0NW.
50 KT....... 80NE  70SE  50SW  50NW.
34 KT.......160NE 150SE 150SW 150NW.
12 FT SEAS..180NE 200SE 150SW 130NW.
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 28.7N  89.2W AT 28/2100Z
AT 28/1800Z CENTER WAS LOCATED NEAR 28.5N  88.9W
 
FORECAST VALID 29/0600Z 29.4N  90.0W...INLAND
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 50NE  50SE  20SW  40NW.
50 KT... 80NE  70SE  60SW  60NW.
34 KT...150NE 150SE 150SW 150NW.
 
FORECAST VALID 29/1800Z 30.3N  91.0W...INLAND
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 70NE  70SE  60SW  50NW.
34 KT...130NE 150SE 150SW 110NW.
 
FORECAST VALID 30/0600Z 31.3N  91.9W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...100NE 150SE 150SW  80NW.
 
FORECAST VALID 30/1800Z 33.0N  92.5W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 31/1800Z 36.0N  92.5W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
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 01/1800Z 39.0N  90.5W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
OUTLOOK VALID 02/1800Z 41.5N  86.5W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.7N  89.2W
 
NEXT ADVISORY AT 29/0300Z
 
$$
FORECASTER STEWART
 
 
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