024  
WTNT23 KNHC 271437  
TCMAT3  
 
HURRICANE HUMBERTO FORECAST/ADVISORY NUMBER 12  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082025  
1500 UTC SAT SEP 27 2025  
 
HURRICANE CENTER LOCATED NEAR 22.7N 60.2W AT 27/1500Z  
POSITION ACCURATE WITHIN 20 NM  
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 7 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 938 MB  
EYE DIAMETER 15 NM  
MAX SUSTAINED WINDS 125 KT WITH GUSTS TO 150 KT.  
64 KT....... 20NE 10SE 10SW 20NW.  
50 KT....... 40NE 30SE 25SW 40NW.  
34 KT....... 90NE 60SE 50SW 80NW.  
4 M SEAS....150NE 120SE 105SW 120NW.  
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 22.7N 60.2W AT 27/1500Z  
AT 27/1200Z CENTER WAS LOCATED NEAR 22.5N 59.7W  
 
FORECAST VALID 28/0000Z 23.1N 61.5W  
MAX WIND 135 KT...GUSTS 165 KT.  
64 KT... 30NE 20SE 20SW 30NW.  
50 KT... 50NE 40SE 30SW 40NW.  
34 KT...110NE 80SE 60SW 90NW.  
 
FORECAST VALID 28/1200Z 24.1N 63.4W  
MAX WIND 135 KT...GUSTS 165 KT.  
64 KT... 40NE 30SE 25SW 35NW.  
50 KT... 60NE 50SE 40SW 50NW.  
34 KT...120NE 90SE 70SW 90NW.  
 
FORECAST VALID 29/0000Z 25.5N 65.3W  
MAX WIND 135 KT...GUSTS 165 KT.  
64 KT... 45NE 40SE 30SW 40NW.  
50 KT... 70NE 60SE 50SW 60NW.  
34 KT...120NE 100SE 80SW 100NW.  
 
FORECAST VALID 29/1200Z 27.1N 66.8W  
MAX WIND 125 KT...GUSTS 150 KT.  
64 KT... 50NE 40SE 40SW 40NW.  
50 KT... 80NE 70SE 50SW 60NW.  
34 KT...130NE 130SE 90SW 110NW.  
 
FORECAST VALID 30/0000Z 29.0N 67.9W  
MAX WIND 120 KT...GUSTS 145 KT.  
64 KT... 50NE 40SE 30SW 40NW.  
50 KT... 70NE 70SE 50SW 60NW.  
34 KT...140NE 140SE 80SW 110NW.  
 
FORECAST VALID 30/1200Z 31.3N 68.2W  
MAX WIND 105 KT...GUSTS 130 KT.  
64 KT... 50NE 40SE 30SW 40NW.  
50 KT... 80NE 80SE 50SW 60NW.  
34 KT...140NE 140SE 90SW 120NW.  
 
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 01/1200Z 35.4N 64.4W  
MAX WIND 95 KT...GUSTS 115 KT.  
50 KT... 90NE 90SE 70SW 70NW.  
34 KT...180NE 190SE 150SW 170NW.  
 
OUTLOOK VALID 02/1200Z 40.8N 50.3W...POST-TROP/EXTRATROP  
MAX WIND 85 KT...GUSTS 105 KT.  
50 KT...120NE 140SE 120SW 100NW.  
34 KT...350NE 300SE 300SW 250NW.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.7N 60.2W  
 
NEXT ADVISORY AT 27/2100Z  
 

 
FORECASTER D. ZELINSKY  
 
 
 
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