707  
WTNT25 KNHC 251453  
TCMAT5  
 
HURRICANE TAMMY FORECAST/ADVISORY NUMBER 29  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023  
1500 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 26.6N 59.3W AT 25/1500Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 11 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 965 MB  
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.  
64 KT....... 20NE 20SE 0SW 0NW.  
50 KT....... 40NE 50SE 30SW 30NW.  
34 KT.......100NE 150SE 60SW 100NW.  
12 FT SEAS..240NE 210SE 240SW 330NW.  
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 26.6N 59.3W AT 25/1500Z  
AT 25/1200Z CENTER WAS LOCATED NEAR 26.1N 59.4W  
 
FORECAST VALID 26/0000Z 28.2N 58.8W  
MAX WIND 85 KT...GUSTS 105 KT.  
64 KT... 20NE 20SE 15SW 15NW.  
50 KT... 60NE 50SE 40SW 50NW.  
34 KT...170NE 150SE 80SW 140NW.  
 
FORECAST VALID 26/1200Z 29.8N 59.5W...POST-TROP/EXTRATROP  
MAX WIND 75 KT...GUSTS 90 KT.  
64 KT... 20NE 15SE 10SW 20NW.  
50 KT... 60NE 50SE 40SW 50NW.  
34 KT...210NE 150SE 100SW 170NW.  
 
FORECAST VALID 27/0000Z 30.5N 60.7W...POST-TROP/EXTRATROP  
MAX WIND 65 KT...GUSTS 80 KT.  
64 KT... 15NE 10SE 0SW 15NW.  
50 KT... 50NE 50SE 40SW 50NW.  
34 KT...200NE 130SE 120SW 200NW.  
 
FORECAST VALID 27/1200Z 31.0N 61.8W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT... 30NE 30SE 30SW 30NW.  
34 KT...150NE 110SE 100SW 160NW.  
 
FORECAST VALID 28/0000Z 31.2N 62.2W...POST-TROP/EXTRATROP  
MAX WIND 55 KT...GUSTS 65 KT.  
50 KT... 20NE 10SE 20SW 20NW.  
34 KT...130NE 100SE 90SW 130NW.  
 
FORECAST VALID 28/1200Z 31.4N 62.7W...POST-TROP/EXTRATROP  
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 29/1200Z 31.7N 63.0W...POST-TROP/EXTRATROP  
MAX WIND 45 KT...GUSTS 55 KT.  
 
OUTLOOK VALID 30/1200Z 31.9N 63.0W...POST-TROP/EXTRATROP  
MAX WIND 40 KT...GUSTS 50 KT.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.6N 59.3W  
 
NEXT ADVISORY AT 25/2100Z  
 

 
FORECASTER BUCCI  
 
 
 
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