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Hurricane Sam Forecast Advisory



000
WTNT23 KNHC 050230
TCMAT3

HURRICANE SAM FORECAST/ADVISORY NUMBER  50
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0300 UTC TUE OCT 05 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 47.7N  40.2W AT 05/0300Z
POSITION ACCURATE WITHIN  25 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  30 DEGREES AT  25 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  965 MB
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT.......  0NE  70SE  70SW   0NW.
50 KT.......120NE 150SE 150SW  60NW.
34 KT.......240NE 270SE 400SW 300NW.
12 FT SEAS..270NE 420SE 780SW 360NW.
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 47.7N  40.2W AT 05/0300Z
AT 05/0000Z CENTER WAS LOCATED NEAR 46.3N  40.7W

FORECAST VALID 05/1200Z 50.6N  39.3W...POST-TROP/EXTRATROP
MAX WIND  70 KT...GUSTS  85 KT.
64 KT...  0NE  60SE  50SW   0NW.
50 KT...100NE 110SE 110SW 100NW.
34 KT...300NE 340SE 480SW 330NW.

FORECAST VALID 06/0000Z 51.0N  38.2W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.
64 KT...  0NE  60SE   0SW   0NW.
50 KT...110NE 150SE 150SW  70NW.
34 KT...300NE 450SE 480SW 300NW.

FORECAST VALID 06/1200Z 51.5N  33.3W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.
50 KT...  0NE 100SE 100SW   0NW.
34 KT...240NE 300SE 270SW 180NW.

FORECAST VALID 07/0000Z 54.0N  28.1W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...  0NE   0SE  90SW  50NW.
34 KT...200NE 230SE 190SW 150NW.

FORECAST VALID 07/1200Z 58.0N  22.9W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...400NE 280SE 270SW 420NW.

FORECAST VALID 08/0000Z 61.5N  25.0W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...330NE 280SE 390SW 420NW.

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 09/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 47.7N  40.2W

NEXT ADVISORY AT 05/0900Z

$$
FORECASTER BLAKE




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