Atlantic Basin Tropical Cyclones

Hurricane Sam Forecast Advisory


000
WTNT23 KNHC 030237
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER  42
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0300 UTC SUN OCT 03 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 36.4N  57.1W AT 03/0300Z
POSITION ACCURATE WITHIN  25 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR  40 DEGREES AT  14 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  955 MB
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 60NE  60SE  40SW  30NW.
50 KT.......100NE 100SE  70SW  90NW.
34 KT.......180NE 210SE 160SW 190NW.
12 FT SEAS..180NE 290SE 340SW 270NW.
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 36.4N  57.1W AT 03/0300Z
AT 03/0000Z CENTER WAS LOCATED NEAR 35.9N  57.7W

FORECAST VALID 03/1200Z 37.7N  55.3W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 50NE  50SE  40SW  40NW.
50 KT... 90NE  90SE  80SW  80NW.
34 KT...180NE 190SE 170SW 190NW.

FORECAST VALID 04/0000Z 39.7N  51.8W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 40NE  50SE  40SW  40NW.
50 KT... 80NE  80SE  80SW  70NW.
34 KT...180NE 190SE 190SW 180NW.

FORECAST VALID 04/1200Z 42.7N  47.0W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 50NE  60SE  50SW  40NW.
50 KT... 80NE  90SE  90SW  70NW.
34 KT...180NE 200SE 200SW 180NW.

FORECAST VALID 05/0000Z 47.3N  41.9W...POST-TROP/EXTRATROP
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 50NE  60SE  30SW  30NW.
50 KT... 90NE 110SE  90SW  40NW.
34 KT...210NE 240SE 250SW 210NW.

FORECAST VALID 05/1200Z 50.8N  39.5W...POST-TROP/EXTRATROP
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 80NE 120SE 100SW  60NW.
34 KT...240NE 330SE 380SW 290NW.

FORECAST VALID 06/0000Z 51.7N  37.9W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 30NE 120SE 110SW  70NW.
34 KT...300NE 480SE 480SW 320NW.

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 07/0000Z 54.0N  30.0W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.

OUTLOOK VALID 08/0000Z 60.5N  28.5W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.4N  57.1W

NEXT ADVISORY AT 03/0900Z

$$
FORECASTER BEVEN




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