Hurricane Helene Forecast Advisory Number 10

By | September 25, 2024

000
WTNT24 KNHC 252055
TCMAT4

HURRICANE HELENE FORECAST/ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092024
2100 UTC WED SEP 25 2024

HURRICANE CENTER LOCATED NEAR 22.5N  86.6W AT 25/2100Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT  10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  978 MB
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT....... 20NE  20SE   0SW   0NW.
50 KT....... 60NE  60SE  40SW  40NW.
34 KT.......210NE 300SE  90SW 120NW.
12 FT SEAS..180NE 210SE  90SW 120NW.
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 22.5N  86.6W AT 25/2100Z
AT 25/1800Z CENTER WAS LOCATED NEAR 22.0N  86.4W

FORECAST VALID 26/0600Z 24.1N  86.2W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 30NE  40SE  25SW  20NW.
50 KT... 80NE  80SE  50SW  40NW.
34 KT...270NE 270SE 120SW 120NW.

FORECAST VALID 26/1800Z 27.4N  85.2W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 40NE  50SE  25SW  20NW.
50 KT... 80NE 100SE  50SW  40NW.
34 KT...270NE 270SE 140SW 140NW.

FORECAST VALID 27/0600Z 32.1N  84.6W...INLAND
MAX WIND  70 KT...GUSTS  90 KT.
64 KT... 20NE  25SE   0SW   0NW.
50 KT... 40NE  50SE  20SW  20NW.
34 KT...270NE 270SE  70SW  60NW.

FORECAST VALID 27/1800Z 36.1N  86.0W...POST-TROP/EXTRATROP
MAX WIND  35 KT...GUSTS  55 KT.
34 KT... 50NE  30SE   0SW   0NW.

FORECAST VALID 28/0600Z 37.1N  88.1W...POST-TROP/EXTRATROP
MAX WIND  25 KT...GUSTS  40 KT.

FORECAST VALID 28/1800Z 36.8N  88.7W...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 29/1800Z 37.0N  88.0W...POST-TROP/EXTRATROP
MAX WIND  15 KT...GUSTS  20 KT.

OUTLOOK VALID 30/1800Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.5N  86.6W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 26/0000Z

NEXT ADVISORY AT 26/0300Z

$$
FORECASTER BERG


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