Tropical Storm Irwin

Forecast Advisory 9

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000
WTPZ24 KNHC 272030
TCMEP4
TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER 9
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP092005
2100Z SAT AUG 27 2005

TROPICAL STORM CENTER LOCATED NEAR 17.4N 113.4W AT 27/2100Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 0NE 0SE 50SW 50NW.
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 17.4N 113.4W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 17.4N 113.0W

FORECAST VALID 28/0600Z 17.4N 114.6W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 0NE 0SE 50SW 50NW.

FORECAST VALID 28/1800Z 17.4N 116.1W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 0NE 0SE 50SW 50NW.

FORECAST VALID 29/0600Z 17.4N 117.4W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 29/1800Z 17.3N 118.8W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 30/1800Z 17.2N 121.2W
MAX WIND 25 KT...GUSTS 35 KT.

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 31/1800Z 17.0N 124.5W
MAX WIND 25 KT...GUSTS 35 KT.

OUTLOOK VALID 01/1800Z 17.0N 128.0W
MAX WIND 25 KT...GUSTS 35 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N 113.4W

NEXT ADVISORY AT 28/0300Z

FORECASTER STEWART


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