Issued at 2100 UTC WED OCT 25 2023

915
WTNT25 KNHC 252050
TCMAT5

HURRICANE TAMMY FORECAST/ADVISORY NUMBER 30
NWS NATIONAL HURRICANE CENTER MIAMI FL

AL202023
2100 UTC WED OCT 25 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 28.0N 57.9W AT 25/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 969 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT.
64 KT....... 20NE 20SE

0SW

0NW.
50 KT....... 40NE 50SE 30SW 30NW.
34 KT.......150NE 150SE 60SW 100NW.
12 FT SEAS..300NE 270SE 360SW 480NW.
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 28.0N 57.9W AT 25/2100Z
AT 25/1800Z CENTER WAS LOCATED NEAR 27.5N 58.3W

FORECAST VALID 26/0600Z 29.5N 58.4W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 20NE 20SE 15SW 15NW.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...170NE 150SE 80SW 140NW.

FORECAST VALID 26/1800Z 30.5N 59.4W...POST-TROP/EXTRATROP
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 15SE 10SW 20NW.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...210NE 150SE 100SW 170NW.

FORECAST VALID 27/0600Z 31.1N 60.4W...POST-TROP/EXTRATROP
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 40SW 50NW.
34 KT...200NE 130SE 120SW 200NW.

FORECAST VALID 27/1800Z 31.5N 61.1W...POST-TROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 30SE 30SW 30NW.
34 KT...150NE 110SE 100SW 150NW.

FORECAST VALID 28/0600Z 31.8N 61.5W...POST-TROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 10SE 20SW 20NW.
34 KT...130NE 100SE 90SW 130NW.

FORECAST VALID 28/1800Z 32.1N 61.7W...POST-TROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 10SE 20SW 20NW.
34 KT...100NE 80SE 80SW 100NW.

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 29/1800Z 32.5N 61.5W...POST-TROPICAL
MAX WIND 45 KT...GUSTS 55 KT.

OUTLOOK VALID 30/1800Z 32.8N 61.0W...POST-TROPICAL
MAX WIND 40 KT...GUSTS 50 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.0N 57.9W

NEXT ADVISORY AT 26/0300Z

$$
FORECASTER BUCCI/R. ZELINSKY

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