Tropical Storm HERNAN
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TROPICAL STORM HERNAN FORECAST/ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP092008
0900 UTC TUE AUG 12 2008
TROPICAL STORM CENTER LOCATED NEAR 18.5N 132.7W AT 12/0900Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST OR 265 DEGREES AT 8 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 75NE 45SE 60SW 90NW.
12 FT SEAS..120NE 60SE 60SW 90NW.
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 18.5N 132.7W AT 12/0900Z
AT 12/0600Z CENTER WAS LOCATED NEAR 18.6N 132.3W
FORECAST VALID 12/1800Z 18.3N 134.0W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 45SW 75NW.
FORECAST VALID 13/0600Z 17.8N 135.4W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 45NE 30SE 45SW 60NW.
FORECAST VALID 13/1800Z 17.3N 137.0W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 14/0600Z 16.7N 138.6W...REMNANT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 15/0600Z 15.5N 142.5W...REMNANT LOW
MAX WIND 25 KT...GUSTS 35 KT.
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 16/0600Z 15.0N 146.5W...REMNANT LOW
MAX WIND 25 KT...GUSTS 35 KT.
OUTLOOK VALID 17/0600Z 15.0N 151.0W...REMNANT LOW
MAX WIND 20 KT...GUSTS 25 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.5N 132.7W
NEXT ADVISORY AT 12/1500Z
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