Tropical Storm SEAN

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TROPICAL STORM SEAN FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL192011
0300 UTC WED NOV 09 2011
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* BERMUDA
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

TROPICAL STORM CENTER LOCATED NEAR 27.9N  70.1W AT 09/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT   3 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT.......240NE 120SE 120SW 240NW.
12 FT SEAS..300NE 240SE 240SW 300NW.
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 27.9N  70.1W AT 09/0300Z
AT 09/0000Z CENTER WAS LOCATED NEAR 27.8N  69.9W
 
FORECAST VALID 09/1200Z 28.0N  70.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 75NE   0SE   0SW   0NW.
34 KT...240NE 120SE 120SW 240NW.
 
FORECAST VALID 10/0000Z 28.6N  70.6W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 75NE   0SE   0SW   0NW.
34 KT...210NE 150SE 120SW 180NW.
 
FORECAST VALID 10/1200Z 29.5N  70.1W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 75NE  30SE   0SW   0NW.
34 KT...210NE 150SE 120SW 150NW.
 
FORECAST VALID 11/0000Z 31.0N  68.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 60NE  60SE   0SW   0NW.
34 KT...240NE 150SE 120SW  90NW.
 
FORECAST VALID 12/0000Z 36.5N  61.0W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...240NE 150SE 120SW  90NW.
 
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 13/0000Z...ABSORBED BY FRONT
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.9N  70.1W
 
NEXT ADVISORY AT 09/0900Z
 
$$
FORECASTER BRENNAN
 
 
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