Atlantic Hurricane Feed

Hurricane Sam Forecast Advisory



038 
WTNT23 KNHC 290836
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER  27
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0900 UTC WED SEP 29 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 18.9N  56.2W AT 29/0900Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  950 MB
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 35NE  30SE  25SW  30NW.
50 KT....... 60NE  50SE  40SW  50NW.
34 KT.......110NE 100SE  80SW  90NW.
12 FT SEAS..180NE 105SE 150SW 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 18.9N  56.2W AT 29/0900Z
AT 29/0600Z CENTER WAS LOCATED NEAR 18.6N  55.9W

FORECAST VALID 29/1800Z 19.7N  57.3W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...110NE 110SE  90SW 100NW.

FORECAST VALID 30/0600Z 21.0N  58.9W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...110NE 110SE  90SW 100NW.

FORECAST VALID 30/1800Z 22.8N  60.4W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 40NE  40SE  30SW  40NW.
50 KT... 60NE  60SE  50SW  50NW.
34 KT...120NE 120SE  90SW 100NW.

FORECAST VALID 01/0600Z 25.2N  61.5W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE  40SE  30SW  40NW.
50 KT... 70NE  70SE  50SW  60NW.
34 KT...130NE 130SE  90SW 100NW.

FORECAST VALID 01/1800Z 27.9N  62.0W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...140NE 140SE 100SW 110NW.

FORECAST VALID 02/0600Z 30.8N  61.5W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...150NE 150SE 110SW 120NW.

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 03/0600Z 35.8N  57.5W
MAX WIND  95 KT...GUSTS 115 KT.

OUTLOOK VALID 04/0600Z 40.8N  52.0W
MAX WIND  80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.9N  56.2W

NEXT ADVISORY AT 29/1500Z

$$
FORECASTER BROWN





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