Central Pacific Basin Tropical Cyclones

Tropical Storm Greg Forecast Advisory



547 
WTPA23 PHFO 170237
TCMCP3

TROPICAL STORM GREG FORECAST/ADVISORY NUMBER  13
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP082023
0300 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 12.1N 153.5W AT 17/0300Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT  11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 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 12.1N 153.5W AT 17/0300Z
AT 17/0000Z CENTER WAS LOCATED NEAR 12.0N 152.9W

FORECAST VALID 17/1200Z 12.2N 155.2W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE   0SE   0SW  60NW.

FORECAST VALID 18/0000Z 12.3N 157.6W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE   0SE   0SW  50NW.

FORECAST VALID 18/1200Z 12.1N 160.3W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 40NE   0SE   0SW  40NW.

FORECAST VALID 19/0000Z 11.7N 163.0W
MAX WIND  30 KT...GUSTS  40 KT.

FORECAST VALID 19/1200Z 11.3N 165.5W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.

FORECAST VALID 20/0000Z 10.8N 168.0W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.

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 21/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.1N 153.5W

NEXT ADVISORY AT 17/0900Z

$$
FORECASTER WROE





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