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HURRICANE TAMMY FORECAST/ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202023
2100 UTC FRI OCT 20 2023
 
NOTICE... LAND-BASED TROPICAL CYCLONE WATCHES AND WARNINGS ARE NO
LONGER INCLUDED IN THE TROPICAL CYCLONE FORECAST/ADVISORY...(TCM).
CURRENT LAND-BASED COASTAL WATCHES AND WARNINGS CAN BE FOUND IN THE
MOST RECENTLY ISSUED TROPICAL CYCLONE PUBLIC ADVISORY...(TCP).
 
HURRICANE CENTER LOCATED NEAR 14.3N  59.2W AT 20/2100Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 20NE   0SE   0SW  20NW.
50 KT....... 50NE  20SE   0SW  40NW.
34 KT.......110NE 110SE  30SW  80NW.
12 FT SEAS..270NE 180SE  90SW 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 14.3N  59.2W AT 20/2100Z
AT 20/1800Z CENTER WAS LOCATED NEAR 14.1N  58.9W
 
FORECAST VALID 21/0600Z 15.3N  60.1W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW  20NW.
50 KT... 50NE  30SE   0SW  40NW.
34 KT...110NE 110SE  30SW  80NW.
 
FORECAST VALID 21/1800Z 16.7N  61.2W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  15SE   0SW  20NW.
50 KT... 50NE  30SE  20SW  40NW.
34 KT...110NE 110SE  40SW  80NW.
 
FORECAST VALID 22/0600Z 18.1N  62.1W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  15SE   0SW  20NW.
50 KT... 50NE  30SE  20SW  40NW.
34 KT...110NE 110SE  40SW  80NW.
 
FORECAST VALID 22/1800Z 19.5N  63.0W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  20SE  10SW  15NW.
50 KT... 50NE  40SE  20SW  30NW.
34 KT...110NE 110SE  40SW  80NW.
 
FORECAST VALID 23/0600Z 20.8N  63.4W
MAX WIND  80 KT...GUSTS 100 KT.
50 KT... 50NE  40SE  20SW  30NW.
34 KT...110NE 110SE  40SW  80NW.
 
FORECAST VALID 23/1800Z 22.0N  63.4W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 50NE  40SE  20SW  30NW.
34 KT...120NE 120SE  40SW  80NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 24/1800Z 24.5N  61.7W
MAX WIND  70 KT...GUSTS  85 KT.
 
OUTLOOK VALID 25/1800Z 28.4N  57.7W
MAX WIND  65 KT...GUSTS  80 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.3N  59.2W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 21/0000Z
 
NEXT ADVISORY AT 21/0300Z
 
$$
FORECASTER BROWN
 
 
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