469
WTNT25 KNHC 201457
TCMAT5
HURRICANE TAMMY FORECAST/ADVISORY NUMBER 9
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023
1500 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 14.1N 58.6W AT 20/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 6 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 992 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
50 KT....... 50NE 0SE 0SW 0NW.
34 KT.......110NE 120SE 20SW 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 14.1N 58.6W AT 20/1500Z
AT 20/1200Z CENTER WAS LOCATED NEAR 14.0N 58.4W
FORECAST VALID 21/0000Z 15.1N 59.8W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 0SE 0SW 0NW.
50 KT... 50NE 30SE 0SW 20NW.
34 KT...110NE 120SE 30SW 70NW.
FORECAST VALID 21/1200Z 16.4N 60.9W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 20SE 0SW 10NW.
50 KT... 50NE 40SE 10SW 20NW.
34 KT...110NE 110SE 40SW 70NW.
FORECAST VALID 22/0000Z 17.9N 61.9W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 20SE 0SW 15NW.
50 KT... 50NE 40SE 20SW 30NW.
34 KT...110NE 110SE 40SW 70NW.
FORECAST VALID 22/1200Z 19.3N 62.7W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 20NE 20SE 0SW 15NW.
50 KT... 50NE 40SE 20SW 30NW.
34 KT...110NE 110SE 40SW 70NW.
FORECAST VALID 23/0000Z 20.6N 63.3W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 50NE 40SE 20SW 30NW.
34 KT...110NE 110SE 40SW 70NW.
FORECAST VALID 23/1200Z 22.0N 63.3W
MAX WIND 80 KT...GUSTS 100 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 24/1200Z 24.4N 61.4W
MAX WIND 80 KT...GUSTS 100 KT.
OUTLOOK VALID 25/1200Z 28.2N 57.7W
MAX WIND 75 KT...GUSTS 90 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.1N 58.6W
INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 20/1800Z
NEXT ADVISORY AT 20/2100Z
FORECASTER BROWN
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