Tropical Depression IRWIN
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TROPICAL DEPRESSION IRWIN FORECAST/ADVISORY NUMBER 21
NWS NATIONAL HURRICANE CENTER MIAMI FL EP112011
0900 UTC TUE OCT 11 2011
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
TROPICAL DEPRESSION CENTER LOCATED NEAR 15.2N 115.5W AT 11/0900Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE EAST OR 80 DEGREES AT 7 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
12 FT SEAS.. 30NE 180SE 90SW 0NW.
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 15.2N 115.5W AT 11/0900Z
AT 11/0600Z CENTER WAS LOCATED NEAR 15.1N 115.9W
FORECAST VALID 11/1800Z 15.2N 114.3W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 12/0600Z 15.6N 112.3W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 12/1800Z 16.4N 110.0W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 13/0600Z 17.1N 107.9W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 14/0600Z 17.5N 105.1W
MAX WIND 30 KT...GUSTS 40 KT.
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 15/0600Z 16.5N 103.5W
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 16/0600Z 16.0N 103.5W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.2N 115.5W
NEXT ADVISORY AT 11/1500Z
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FORECASTER ROBERTS/BROWN
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