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TROPICAL STORM GREG FORECAST/ADVISORY NUMBER 4
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP082023
2100 UTC MON AUG 14 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 11.3N 141.7W AT 14/2100Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 10 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 30NE 0SE 0SW 30NW.
12 FT SEAS.. 30NE 0SE 0SW 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 11.3N 141.7W AT 14/2100Z
AT 14/1800Z CENTER WAS LOCATED NEAR 11.3N 141.2W
FORECAST VALID 15/0600Z 11.4N 143.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 0SE 0SW 40NW.
FORECAST VALID 15/1800Z 11.7N 145.7W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 10SE 10SW 40NW.
FORECAST VALID 16/0600Z 12.0N 148.3W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 20SE 20SW 50NW.
FORECAST VALID 16/1800Z 12.4N 150.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 20SE 20SW 50NW.
FORECAST VALID 17/0600Z 12.7N 153.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 20SE 20SW 50NW.
FORECAST VALID 17/1800Z 12.6N 155.9W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 10SE 0SW 40NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 18/1800Z 12.0N 161.0W
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 19/1800Z 11.4N 166.2W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.3N 141.7W
NEXT ADVISORY AT 15/0300Z
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FORECASTER M BALLARD
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