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TROPICAL STORM GREG FORECAST/ADVISORY NUMBER 15
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP082023
1500 UTC THU AUG 17 2023
NOTICE... LAND-BASED TROPICAL CYCLONE WATCHES AND WARNINGS ARE NO
LONGER INCLUDED IN THE TROPICAL CYCLONE FORECAST/ADVISORY...(TCM).
CURRENT LAND-BASED COASTAL WATCHES AND WARNINGS CAN BE FOUND IN THE
MOST RECENTLY ISSUED TROPICAL CYCLONE PUBLIC ADVISORY...(TCP).
TROPICAL STORM CENTER LOCATED NEAR 11.9N 155.6W AT 17/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 11 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 70NE 10SE 10SW 70NW.
12 FT SEAS.. 60NE 10SE 15SW 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 11.9N 155.6W AT 17/1500Z
AT 17/1200Z CENTER WAS LOCATED NEAR 12.0N 155.0W
FORECAST VALID 18/0000Z 12.0N 157.4W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 0SE 0SW 60NW.
FORECAST VALID 18/1200Z 11.9N 159.9W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 19/0000Z 11.5N 162.5W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 19/1200Z 11.1N 165.1W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 20/0000Z 10.6N 167.6W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 20/1200Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.9N 155.6W
NEXT ADVISORY AT 17/2100Z
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FORECASTER M BALLARD
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