604
WTNT25 KNHC 211450
TCMAT5
HURRICANE TAMMY FORECAST/ADVISORY NUMBER 13
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023
1500 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 16.0N 60.7W AT 21/1500Z
POSITION ACCURATE WITHIN 25 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 7 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 80NW.
12 FT SEAS..210NE 150SE 60SW 210NW.
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 16.0N 60.7W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 15.6N 60.6W
FORECAST VALID 22/0000Z 17.0N 61.6W
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 22/1200Z 18.6N 62.5W
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 23/0000Z 20.0N 63.3W
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 23/1200Z 21.3N 63.8W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 20NE 15SE 10SW 15NW.
50 KT... 40NE 30SE 20SW 30NW.
34 KT...100NE 110SE 40SW 70NW.
FORECAST VALID 24/0000Z 22.3N 63.8W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 40NE 30SE 20SW 30NW.
34 KT...100NE 110SE 40SW 70NW.
FORECAST VALID 24/1200Z 23.2N 63.5W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 40NE 40SE 20SW 30NW.
34 KT...110NE 110SE 60SW 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 25/1200Z 24.9N 62.7W
MAX WIND 75 KT...GUSTS 90 KT.
OUTLOOK VALID 26/1200Z 27.3N 62.0W
MAX WIND 65 KT...GUSTS 80 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.0N 60.7W
INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 21/1800Z
NEXT ADVISORY AT 21/2100Z
FORECASTER CANGIALOSI
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