Atlantic Hurricane Feed

Hurricane Sam Forecast Advisory



000
WTNT23 KNHC 240830
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER   7
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0900 UTC FRI SEP 24 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 11.5N  42.2W AT 24/0900Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT  13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 15NE   0SE   0SW   0NW.
50 KT....... 30NE  20SE  15SW  20NW.
34 KT....... 50NE  40SE  30SW  40NW.
12 FT SEAS.. 90NE  30SE  30SW  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 11.5N  42.2W AT 24/0900Z
AT 24/0600Z CENTER WAS LOCATED NEAR 11.4N  41.6W

FORECAST VALID 24/1800Z 11.7N  44.0W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 15NE  10SE   0SW  10NW.
50 KT... 30NE  20SE  20SW  20NW.
34 KT... 70NE  50SE  30SW  50NW.

FORECAST VALID 25/0600Z 12.1N  45.9W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 20NE  15SE  10SW  15NW.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 70NE  50SE  40SW  50NW.

FORECAST VALID 25/1800Z 12.5N  47.4W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 20NE  15SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT... 80NE  60SE  40SW  60NW.

FORECAST VALID 26/0600Z 12.9N  48.7W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 20NE  20SE  15SW  20NW.
50 KT... 40NE  30SE  30SW  30NW.
34 KT... 80NE  70SE  50SW  70NW.

FORECAST VALID 26/1800Z 13.4N  50.0W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 50NE  40SE  30SW  40NW.
34 KT... 90NE  80SE  60SW  70NW.

FORECAST VALID 27/0600Z 14.1N  51.1W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 50NE  40SE  30SW  40NW.
34 KT...100NE  80SE  60SW  80NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 28/0600Z 15.9N  53.8W
MAX WIND 110 KT...GUSTS 135 KT.

OUTLOOK VALID 29/0600Z 17.8N  56.6W
MAX WIND 110 KT...GUSTS 135 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.5N  42.2W

NEXT ADVISORY AT 24/1500Z

$$
FORECASTER CANGIALOSI




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