Tropical Storm ISELLE
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TROPICAL STORM ISELLE FORECAST/ADVISORY NUMBER 4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP102008
0900 UTC THU AUG 14 2008
TROPICAL STORM CENTER LOCATED NEAR 17.6N 108.6W AT 14/0900Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 30NE 30SE 30SW 30NW.
12 FT SEAS.. 30NE 30SE 30SW 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 17.6N 108.6W AT 14/0900Z
AT 14/0600Z CENTER WAS LOCATED NEAR 17.4N 108.2W
FORECAST VALID 14/1800Z 18.3N 109.8W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 40NE 40SE 40SW 40NW.
FORECAST VALID 15/0600Z 19.1N 110.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 40NE 40SE 40SW 40NW.
FORECAST VALID 15/1800Z 19.9N 112.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 50SE 50SW 50NW.
FORECAST VALID 16/0600Z 20.5N 113.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 50SE 50SW 50NW.
FORECAST VALID 17/0600Z 21.0N 114.5W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 50SE 50SW 50NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 18/0600Z 21.5N 116.0W
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 19/0600Z 21.5N 117.5W
MAX WIND 25 KT...GUSTS 35 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.6N 108.6W
NEXT ADVISORY AT 14/1500Z
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FORECASTER KNABB
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