983
WTPA24 PHFO 170845
TCMCP4
TROPICAL STORM GUILLERMO FORECAST/ADVISORY NUMBER 21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP102009
0900 UTC MON AUG 17 2009
TROPICAL STORM CENTER LOCATED NEAR 20.8N 142.6W AT 17/0900Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 13 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 990 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 45NE 25SE 15SW 35NW.
34 KT....... 90NE 45SE 25SW 75NW.
12 FT SEAS.. 90NE 45SE 25SW 75NW.
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 20.8N 142.6W AT 17/0900Z
AT 17/0600Z CENTER WAS LOCATED NEAR 20.5N 141.9W
FORECAST VALID 17/1800Z 21.5N 144.8W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 35NE 15SE 0SW 25NW.
34 KT... 80NE 35SE 20SW 60NW.
FORECAST VALID 18/0600Z 22.8N 147.8W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 30SE 15SW 50NW.
FORECAST VALID 18/1800Z 24.4N 150.7W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 20SE 10SW 40NW.
FORECAST VALID 19/0600Z 26.2N 154.0W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 45NE 5SE 0SW 25NW.
FORECAST VALID 20/0600Z 28.9N 161.1W...REMNANT LOW
MAX WIND 30 KT...GUSTS 40 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 21/0600Z 29.6N 167.8W...REMNANT LOW
MAX WIND 25 KT...GUSTS 35 KT.
OUTLOOK VALID 22/0600Z 29.5N 173.3W...REMNANT LOW
MAX WIND 20 KT...GUSTS 25 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.8N 142.6W
NEXT ADVISORY AT 17/1500Z
$$
FORECASTER DONALDSON
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