Tropical Storm Irwin

Forecast Advisory 3

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000
WTPZ24 KNHC 260832
TCMEP4
TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER 3
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP092005
0900Z FRI AUG 26 2005

TROPICAL STORM CENTER LOCATED NEAR 17.5N 108.2W AT 26/0900Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 40NE 40SE 60SW 40NW.
12 FT SEAS.. 40NE 40SE 60SW 40NW.
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 108.2W AT 26/0900Z
AT 26/0600Z CENTER WAS LOCATED NEAR 17.5N 107.7W

FORECAST VALID 26/1800Z 17.8N 109.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 40SE 60SW 40NW.

FORECAST VALID 27/0600Z 18.0N 111.6W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 40SE 60SW 60NW.

FORECAST VALID 27/1800Z 18.2N 113.6W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 60NE 40SE 60SW 60NW.

FORECAST VALID 28/0600Z 18.3N 115.5W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 60NE 40SE 40SW 60NW.

FORECAST VALID 29/0600Z 18.2N 119.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 40SE 40SW 60NW.

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 30/0600Z 18.0N 123.0W
MAX WIND 40 KT...GUSTS 50 KT.

OUTLOOK VALID 31/0600Z 18.0N 126.0W...DISSIPATING
MAX WIND 30 KT...GUSTS 40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.5N 108.2W

NEXT ADVISORY AT 26/1500Z

FORECASTER MAINELLI/KNABB


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