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HURRICANE SAM FORECAST/ADVISORY NUMBER  29
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
2100 UTC WED SEP 29 2021
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
HURRICANE CENTER LOCATED NEAR 20.2N  57.6W AT 29/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  945 MB
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 35NE  30SE  25SW  30NW.
50 KT....... 70NE  50SE  40SW  50NW.
34 KT.......120NE 120SE  80SW  90NW.
12 FT SEAS..180NE 120SE 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 20.2N  57.6W AT 29/2100Z
AT 29/1800Z CENTER WAS LOCATED NEAR 19.8N  57.3W
 
FORECAST VALID 30/0600Z 21.2N  58.9W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...120NE 120SE  90SW 100NW.
 
FORECAST VALID 30/1800Z 23.1N  60.4W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  25SW  30NW.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...120NE 120SE  90SW 100NW.
 
FORECAST VALID 01/0600Z 25.6N  61.4W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 40NE  40SE  30SW  40NW.
50 KT... 70NE  60SE  50SW  60NW.
34 KT...130NE 130SE  90SW 100NW.
 
FORECAST VALID 01/1800Z 28.3N  61.9W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE  40SE  30SW  40NW.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...130NE 140SE  90SW 100NW.
 
FORECAST VALID 02/0600Z 31.0N  61.3W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...140NE 150SE 110SW 120NW.
 
FORECAST VALID 02/1800Z 33.6N  59.9W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...150NE 150SE 120SW 130NW.
 
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 03/1800Z 37.5N  55.0W
MAX WIND  85 KT...GUSTS 105 KT.
 
OUTLOOK VALID 04/1800Z 42.0N  48.5W
MAX WIND  70 KT...GUSTS  85 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.2N  57.6W
 
NEXT ADVISORY AT 30/0300Z
 
$$
FORECASTER PASCH
 
 
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