000
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