224  
WTNT23 KNHC 280854  
TCMAT3  
 
HURRICANE HUMBERTO FORECAST/ADVISORY NUMBER 15  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082025  
0900 UTC SUN SEP 28 2025  
 
HURRICANE CENTER LOCATED NEAR 23.9N 63.3W AT 28/0900Z  
POSITION ACCURATE WITHIN 15 NM  
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 11 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 929 MB  
EYE DIAMETER 15 NM  
MAX SUSTAINED WINDS 135 KT WITH GUSTS TO 165 KT.  
64 KT....... 30NE 25SE 20SW 20NW.  
50 KT....... 60NE 50SE 40SW 50NW.  
34 KT.......120NE 120SE 90SW 100NW.  
4 M SEAS....210NE 150SE 165SW 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 23.9N 63.3W AT 28/0900Z  
AT 28/0600Z CENTER WAS LOCATED NEAR 23.7N 62.8W  
 
FORECAST VALID 28/1800Z 24.9N 64.7W  
MAX WIND 135 KT...GUSTS 165 KT.  
64 KT... 35NE 30SE 25SW 25NW.  
50 KT... 70NE 60SE 40SW 60NW.  
34 KT...130NE 130SE 90SW 110NW.  
 
FORECAST VALID 29/0600Z 26.4N 66.4W  
MAX WIND 130 KT...GUSTS 160 KT.  
64 KT... 45NE 40SE 30SW 35NW.  
50 KT... 70NE 70SE 50SW 60NW.  
34 KT...140NE 130SE 100SW 110NW.  
 
FORECAST VALID 29/1800Z 28.3N 67.8W  
MAX WIND 120 KT...GUSTS 145 KT.  
64 KT... 50NE 45SE 30SW 40NW.  
50 KT... 80NE 70SE 50SW 60NW.  
34 KT...140NE 140SE 100SW 120NW.  
 
FORECAST VALID 30/0600Z 30.3N 68.7W  
MAX WIND 115 KT...GUSTS 140 KT.  
64 KT... 50NE 45SE 30SW 40NW.  
50 KT... 80NE 80SE 60SW 60NW.  
34 KT...160NE 160SE 100SW 130NW.  
 
FORECAST VALID 30/1800Z 32.5N 68.7W  
MAX WIND 105 KT...GUSTS 130 KT.  
64 KT... 45NE 40SE 30SW 40NW.  
50 KT... 80NE 80SE 60SW 60NW.  
34 KT...160NE 170SE 120SW 140NW.  
 
FORECAST VALID 01/0600Z 34.5N 67.1W  
MAX WIND 95 KT...GUSTS 115 KT.  
64 KT... 45NE 40SE 35SW 35NW.  
50 KT... 90NE 90SE 60SW 70NW.  
34 KT...180NE 190SE 140SW 170NW.  
 
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 02/0600Z 38.2N 56.0W...POST-TROP/EXTRATROP  
MAX WIND 85 KT...GUSTS 105 KT.  
50 KT... 90NE 110SE 100SW 80NW.  
34 KT...250NE 250SE 230SW 230NW.  
 
OUTLOOK VALID 03/0600Z 46.4N 37.5W...POST-TROP/EXTRATROP  
MAX WIND 65 KT...GUSTS 80 KT.  
50 KT... 90NE 130SE 110SW 80NW.  
34 KT...350NE 320SE 310SW 200NW.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.9N 63.3W  
 
NEXT ADVISORY AT 28/1500Z  
 
 
FORECASTER HAGEN  
 
 
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