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Tropical Storm IRWIN


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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER   6
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092005
0300Z SAT AUG 27 2005
 
TROPICAL STORM CENTER LOCATED NEAR 17.5N 111.0W AT 27/0300Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 40NE  60SE  60SW  40NW.
12 FT SEAS.. 60NE  60SE  60SW  60NW.
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 17.5N 111.0W AT 27/0300Z
AT 27/0000Z CENTER WAS LOCATED NEAR 17.6N 110.5W
 
FORECAST VALID 27/1200Z 17.5N 112.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 40NE  60SE  60SW  40NW.
 
FORECAST VALID 28/0000Z 17.6N 114.4W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE  60SW  60NW.
 
FORECAST VALID 28/1200Z 17.6N 116.2W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE  60SW  60NW.
 
FORECAST VALID 29/0000Z 17.5N 118.2W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE  60SW  60NW.
 
FORECAST VALID 30/0000Z 17.2N 121.5W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE  40SE  40SW  40NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 31/0000Z 17.0N 124.5W
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 01/0000Z 16.5N 127.5W...DISSIPATING
MAX WIND  30 KT...GUSTS  40 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.5N 111.0W
 
NEXT ADVISORY AT 27/0900Z
 
FORECASTER MAINELLI/AVILA
 
 
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