Hurricane ISAAC

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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092006
2100 UTC SAT SEP 30 2006
 
INTERESTS IN NOVA SCOTIA AND NEWFOUNDLAND CANADA SHOULD MONITOR THE
PROGRESS OF ISAAC.
 
HURRICANE CENTER LOCATED NEAR 31.6N  59.5W AT 30/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  989 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 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 31.6N  59.5W AT 30/2100Z
AT 30/1800Z CENTER WAS LOCATED NEAR 31.3N  59.2W
 
FORECAST VALID 01/0600Z 32.6N  60.3W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 35NE  30SE   0SW  30NW.
50 KT... 60NE  45SE  30SW  50NW.
34 KT...110NE 100SE  45SW  90NW.
 
FORECAST VALID 01/1800Z 35.0N  60.8W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 40NE  40SE  25SW  30NW.
50 KT... 65NE  50SE  35SW  45NW.
34 KT...130NE 120SE  60SW  90NW.
 
FORECAST VALID 02/0600Z 39.0N  60.0W...BECOMING EXTRATROPICAL
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 40NE  40SE   0SW  25NW.
50 KT... 65NE  75SE  45SW  45NW.
34 KT...130NE 150SE  60SW  90NW.
 
FORECAST VALID 02/1800Z 44.0N  56.8W...EXTRATROPICAL
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 65NE  75SE  50SW  50NW.
34 KT...150NE 270SE  60SW 120NW.
 
FORECAST VALID 03/1800Z 52.0N  46.0W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...320NE 240SE 150SW 200NW.
 
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 04/1800Z...ABSORBED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.6N  59.5W
 
NEXT ADVISORY AT 01/0300Z
 
$$
FORECASTER BLAKE/STEWART
 
 
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