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290 
WTNT23 KNHC 290233
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER  26
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0300 UTC WED SEP 29 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 18.4N  55.6W AT 29/0300Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT   8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  944 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 120 KT WITH GUSTS TO 145 KT.
64 KT....... 35NE  30SE  25SW  30NW.
50 KT....... 60NE  50SE  40SW  50NW.
34 KT.......110NE 120SE  90SW 110NW.
12 FT SEAS..180NE 105SE 120SW 180NW.
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 18.4N  55.6W AT 29/0300Z
AT 29/0000Z CENTER WAS LOCATED NEAR 18.1N  55.3W

FORECAST VALID 29/1200Z 19.1N  56.7W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...110NE 120SE  90SW 100NW.

FORECAST VALID 30/0000Z 20.2N  58.2W
MAX WIND 125 KT...GUSTS 150 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...110NE 110SE  90SW 100NW.

FORECAST VALID 30/1200Z 21.8N  59.9W
MAX WIND 125 KT...GUSTS 150 KT.
64 KT... 40NE  40SE  30SW  40NW.
50 KT... 60NE  60SE  50SW  50NW.
34 KT...120NE 110SE  90SW 100NW.

FORECAST VALID 01/0000Z 23.9N  61.2W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 50NE  40SE  30SW  40NW.
50 KT... 70NE  70SE  50SW  60NW.
34 KT...130NE 130SE  90SW 100NW.

FORECAST VALID 01/1200Z 26.4N  61.9W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...130NE 130SE  90SW 100NW.

FORECAST VALID 02/0000Z 29.1N  61.8W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...140NE 140SE 100SW 100NW.

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 03/0000Z 35.0N  58.0W
MAX WIND 100 KT...GUSTS 120 KT.

OUTLOOK VALID 04/0000Z 40.0N  52.0W
MAX WIND  85 KT...GUSTS 105 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.4N  55.6W

NEXT ADVISORY AT 29/0900Z

$$
FORECASTER BLAKE




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Page last modified: Wednesday, 29-Sep-2021 02:33:37 UTC