Hurricane Humberto Forecast Advisory Number 21

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Hurricane Humberto Forecast Advisory Number 21

Issued at 2100 UTC MON SEP 29 2025

321 
WTNT23 KNHC 292052
TCMAT3
 
HURRICANE HUMBERTO FORECAST/ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082025
2100 UTC MON SEP 29 2025
 
HURRICANE CENTER LOCATED NEAR 29.1N  68.1W AT 29/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  942 MB
MAX SUSTAINED WINDS 120 KT WITH GUSTS TO 145 KT.
64 KT....... 60NE  40SE  40SW  30NW.
50 KT....... 80NE  60SE  50SW  60NW.
34 KT.......160NE 140SE  90SW 120NW.
4 M SEAS....300NE 240SE 240SW 270NW.
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 29.1N  68.1W AT 29/2100Z
AT 29/1800Z CENTER WAS LOCATED NEAR 28.5N  67.9W
 
FORECAST VALID 30/0600Z 30.8N  68.8W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 60NE  40SE  30SW  30NW.
50 KT... 80NE  70SE  50SW  60NW.
34 KT...160NE 160SE 100SW 120NW.
 
FORECAST VALID 30/1800Z 33.4N  68.6W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 40NE  40SE  25SW  30NW.
50 KT... 80NE  70SE  50SW  60NW.
34 KT...170NE 180SE 100SW 120NW.
 
FORECAST VALID 01/0600Z 35.4N  66.4W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 30NE  30SE  25SW  30NW.
50 KT... 80NE  70SE  60SW  60NW.
34 KT...190NE 200SE 120SW 170NW.
 
FORECAST VALID 01/1800Z 36.8N  61.8W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 25NE  25SE  20SW  20NW.
50 KT... 80NE  80SE  60SW  60NW.
34 KT...220NE 220SE 160SW 190NW.
 
FORECAST VALID 02/0600Z 38.4N  54.9W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE  20SW  20NW.
50 KT... 70NE  80SE  60SW  60NW.
34 KT...240NE 240SE 200SW 200NW.
 
FORECAST VALID 02/1800Z 41.5N  46.0W...POST-TROP/EXTRATROP
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 60NE  80SE  70SW  50NW.
34 KT...250NE 250SE 220SW 230NW.
 
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 03/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.1N  68.1W
 
NEXT ADVISORY AT 30/0300Z
 
$$
FORECASTER KELLY
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