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Hurricane ISAAC


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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  33
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
0900 UTC WED AUG 29 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 SABINE PASS TEXAS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* EAST OF HIGH ISLAND TEXAS TO JUST WEST OF SABINE PASS
 
HURRICANE CENTER LOCATED NEAR 29.2N  90.5W AT 29/0900Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  969 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.......150NE 150SE 140SW 130NW.
12 FT SEAS.. 90NE 270SE 120SW   0NW.
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 29.2N  90.5W AT 29/0900Z
AT 29/0600Z CENTER WAS LOCATED NEAR 29.0N  90.1W
 
FORECAST VALID 29/1800Z 29.7N  91.1W...INLAND
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 40NE  40SE   0SW   0NW.
50 KT... 60NE  70SE  50SW  40NW.
34 KT...130NE 150SE 140SW 120NW.
 
FORECAST VALID 30/0600Z 30.5N  91.8W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  60SE  50SW  30NW.
34 KT...120NE 120SE 120SW 100NW.
 
FORECAST VALID 30/1800Z 31.8N  92.8W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 31/0600Z 33.6N  93.7W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 01/0600Z 37.5N  93.5W...POST-TROP/REMNT LOW
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 02/0600Z 39.5N  90.0W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
OUTLOOK VALID 03/0600Z 40.5N  86.0W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.2N  90.5W
 
NEXT ADVISORY AT 29/1500Z
 
$$
FORECASTER PASCH/ROBERTS
 
 
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