Hurricane TAMMY

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HURRICANE TAMMY FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202023
2100 UTC SUN OCT 22 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 19.9N  63.4W AT 22/2100Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  988 MB
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT....... 20NE  10SE   0SW  20NW.
50 KT....... 30NE  20SE  20SW  30NW.
34 KT....... 90NE 100SE  30SW  70NW.
12 FT SEAS..180NE 150SE  60SW 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 19.9N  63.4W AT 22/2100Z
AT 22/1800Z CENTER WAS LOCATED NEAR 19.5N  63.3W
 
FORECAST VALID 23/0600Z 20.9N  63.8W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  10SE   0SW  10NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT... 90NE 110SE  30SW  70NW.
 
FORECAST VALID 23/1800Z 22.0N  63.6W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  10SE   0SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT... 90NE 100SE  30SW  70NW.
 
FORECAST VALID 24/0600Z 22.8N  62.9W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  20SE   0SW  15NW.
50 KT... 40NE  40SE  20SW  30NW.
34 KT... 90NE 100SE  30SW  70NW.
 
FORECAST VALID 24/1800Z 23.6N  62.0W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  20SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 110SE  40SW  70NW.
 
FORECAST VALID 25/0600Z 24.4N  61.0W
MAX WIND  80 KT...GUSTS 100 KT.
50 KT... 40NE  40SE  30SW  30NW.
34 KT...110NE 120SE  60SW 100NW.
 
FORECAST VALID 25/1800Z 25.8N  60.2W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 60NE  50SE  40SW  50NW.
34 KT...150NE 140SE  90SW 150NW.
 
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 26/1800Z 28.9N  60.4W...POST-TROP/EXTRATROP
MAX WIND  60 KT...GUSTS  75 KT.
 
OUTLOOK VALID 27/1800Z 30.7N  64.3W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.9N  63.4W
 
NEXT ADVISORY AT 23/0300Z
 
$$
FORECASTER CANGIALOSI
 
 
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