Hurricane Tammy Forecast Advisory Number 14

By | October 21, 2023

000
WTNT25 KNHC 212041
TCMAT5

HURRICANE TAMMY FORECAST/ADVISORY NUMBER  14
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202023
2100 UTC SAT OCT 21 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 17.0N  61.3W AT 21/2100Z
POSITION ACCURATE WITHIN  25 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT   9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  988 MB
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT....... 20NE  10SE  10SW  20NW.
50 KT....... 50NE  30SE  20SW  40NW.
34 KT.......110NE 110SE  30SW  70NW.
12 FT SEAS..210NE 150SE  60SW 150NW.
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 17.0N  61.3W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 16.6N  61.1W

FORECAST VALID 22/0600Z 18.1N  62.1W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  10SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 100SE  40SW  70NW.

FORECAST VALID 22/1800Z 19.5N  62.9W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  10SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 100SE  40SW  70NW.

FORECAST VALID 23/0600Z 20.9N  63.5W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 20NE  10SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 100SE  40SW  70NW.

FORECAST VALID 23/1800Z 22.2N  63.7W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 20NE  15SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 110SE  40SW  70NW.

FORECAST VALID 24/0600Z 23.1N  63.6W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 110SE  50SW  70NW.

FORECAST VALID 24/1800Z 23.8N  63.4W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 40NE  40SE  20SW  30NW.
34 KT...110NE 110SE  70SW  90NW.

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 25/1800Z 25.6N  62.9W
MAX WIND  75 KT...GUSTS  90 KT.

OUTLOOK VALID 26/1800Z 28.0N  62.6W
MAX WIND  60 KT...GUSTS  75 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.0N  61.3W

INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 22/0000Z

NEXT ADVISORY AT 22/0300Z

$$
FORECASTER CANGIALOSI


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