Hurricane ISAAC

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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092006
1500 UTC SAT SEP 30 2006
 
INTERESTS IN NOVA SCOTIA AND NEWFOUNDLAND CANADA SHOULD MONITOR THE
PROGRESS OF ISAAC.
 
HURRICANE CENTER LOCATED NEAR 30.9N  58.7W AT 30/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  992 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 35NE  30SE   0SW  30NW.
50 KT....... 60NE  45SE  30SW  50NW.
34 KT.......110NE 100SE  45SW  90NW.
12 FT SEAS..150NE 125SE  75SW 125NW.
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 30.9N  58.7W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 30.6N  58.3W
 
FORECAST VALID 01/0000Z 31.6N  59.6W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 45NE  40SE   0SW  40NW.
50 KT... 60NE  45SE  30SW  50NW.
34 KT...110NE 100SE  45SW  90NW.
 
FORECAST VALID 01/1200Z 33.4N  60.5W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 45NE  40SE  30SW  40NW.
50 KT... 60NE  45SE  40SW  50NW.
34 KT...120NE 100SE  60SW  90NW.
 
FORECAST VALID 02/0000Z 36.8N  60.5W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 45NE  40SE  30SW  40NW.
50 KT... 60NE  45SE  40SW  50NW.
34 KT...120NE 100SE  60SW  90NW.
 
FORECAST VALID 02/1200Z 41.5N  59.0W...BECOMING EXTRATROPICAL
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 70NE  70SE  50SW  50NW.
34 KT...120NE 210SE  75SW  90NW.
 
FORECAST VALID 03/1200Z 50.0N  50.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...  0NE  70SE   0SW   0NW.
34 KT...150NE 240SE 120SW 120NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 04/1200Z...ABSORBED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.9N  58.7W
 
NEXT ADVISORY AT 30/2100Z
 
$$
FORECASTER BLAKE/STEWART
 
 
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