Central Pacific Basin Tropical Cyclones

Tropical Storm Greg Forecast Advisory



000
WTPA23 PHFO 150852
TCMCP3

TROPICAL STORM GREG FORECAST/ADVISORY NUMBER   6
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP082023
0900 UTC TUE AUG 15 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 11.2N 144.6W AT 15/0900Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 40NE   0SE   0SW  40NW.
12 FT SEAS.. 75NE   0SE   0SW  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 11.2N 144.6W AT 15/0900Z
AT 15/0600Z CENTER WAS LOCATED NEAR 11.1N 143.9W

FORECAST VALID 15/1800Z 11.3N 146.3W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 15NE   0SE   0SW  15NW.
34 KT... 50NE  15SE  15SW  50NW.

FORECAST VALID 16/0600Z 11.7N 148.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 15NE   0SE   0SW  15NW.
34 KT... 50NE  20SE  15SW  50NW.

FORECAST VALID 16/1800Z 12.2N 151.2W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 15NE   0SE   0SW  15NW.
34 KT... 50NE  20SE  15SW  50NW.

FORECAST VALID 17/0600Z 12.6N 153.6W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 40NE  10SE  10SW  40NW.

FORECAST VALID 17/1800Z 12.6N 156.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 40NE  10SE  10SW  40NW.

FORECAST VALID 18/0600Z 12.3N 158.5W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 35NE   0SE   0SW  35NW.

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 19/0600Z 11.5N 163.7W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.

OUTLOOK VALID 20/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.2N 144.6W

NEXT ADVISORY AT 15/1500Z

$$
FORECASTER GIBBS/JELSEMA




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