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Tropical Storm IRWIN


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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER  30
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP112011
1500 UTC THU OCT 13 2011
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 18.7N 107.2W AT 13/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR  60 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  40 KT.
34 KT.......  0NE  30SE  30SW   0NW.
12 FT SEAS.. 60NE 160SE 170SW  30NW.
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 18.7N 107.2W AT 13/1500Z
AT 13/1200Z CENTER WAS LOCATED NEAR 18.6N 107.5W
 
FORECAST VALID 14/0000Z 18.7N 106.3W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE  30SE  30SW   0NW.
 
FORECAST VALID 14/1200Z 18.2N 105.7W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE   0SE  30SW  30NW.
 
FORECAST VALID 15/0000Z 17.2N 105.3W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE   0SE  30SW  30NW.
 
FORECAST VALID 15/1200Z 16.2N 105.6W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 30NE  30SE  45SW  45NW.
 
FORECAST VALID 16/1200Z 15.0N 107.0W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 30NE  30SE  30SW  45NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 17/1200Z 14.5N 108.5W
MAX WIND  40 KT...GUSTS  50 KT.
 
OUTLOOK VALID 18/1200Z 15.0N 110.0W
MAX WIND  40 KT...GUSTS  50 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.7N 107.2W
 
NEXT ADVISORY AT 13/2100Z
 
$$
FORECASTER BRENNAN
 
 
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