Hurricane Helene Forecast Advisory

603 
WTNT24 KNHC 261453
TCMAT4

HURRICANE HELENE FORECAST/ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092024
1500 UTC THU SEP 26 2024

HURRICANE CENTER LOCATED NEAR 25.5N  85.5W AT 26/1500Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  25 DEGREES AT  12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  960 MB
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT.
64 KT....... 50NE  50SE   0SW  40NW.
50 KT....... 80NE  80SE  50SW  50NW.
34 KT.......250NE 300SE 100SW 120NW.
12 FT SEAS..210NE 210SE 240SW 210NW.
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 25.5N  85.5W AT 26/1500Z
AT 26/1200Z CENTER WAS LOCATED NEAR 24.7N  85.9W

FORECAST VALID 27/0000Z 28.8N  84.3W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 45NE  50SE  30SW  20NW.
50 KT... 80NE  90SE  50SW  40NW.
34 KT...270NE 270SE 120SW 120NW.

FORECAST VALID 27/1200Z 33.9N  84.5W...INLAND
MAX WIND  55 KT...GUSTS  75 KT.
50 KT...  0NE  70SE   0SW   0NW.
34 KT...120NE 330SE  60SW  60NW.

FORECAST VALID 28/0000Z 36.4N  86.6W...POST-TROP/EXTRATROP
MAX WIND  30 KT...GUSTS  50 KT.

FORECAST VALID 28/1200Z 36.5N  87.5W...POST-TROP/EXTRATROP
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 29/0000Z 36.3N  87.6W...POST-TROP/EXTRATROP
MAX WIND  20 KT...GUSTS  30 KT.

FORECAST VALID 29/1200Z 36.2N  87.2W...POST-TROP/EXTRATROP
MAX WIND  20 KT...GUSTS  30 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 30/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.5N  85.5W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 26/1800Z

NEXT ADVISORY AT 26/2100Z

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FORECASTER CANGIALOSI