407  
WTPZ22 KNHC 261433  
TCMEP2  
 
TROPICAL STORM VANCE FORECAST/ADVISORY NUMBER 21  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP222026  
1500 UTC MON OCT 26 2026  
 
TROPICAL STORM CENTER LOCATED NEAR 15.4N 105.7W AT 26/1500Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 6 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB  
MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT.  
50 KT....... 40NE 30SE 0SW 50NW.  
34 KT.......100NE 70SE 60SW 110NW.  
4 M SEAS....165NE 90SE 150SW 180NW.  
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 15.4N 105.7W AT 26/1500Z  
AT 26/1200Z CENTER WAS LOCATED NEAR 15.4N 105.5W  
 
FORECAST VALID 27/0000Z 15.7N 106.6W  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT... 80NE 50SE 50SW 80NW.  
 
FORECAST VALID 27/1200Z 16.4N 107.6W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 50NE 40SE 30SW 50NW.  
 
FORECAST VALID 28/0000Z 17.6N 108.2W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 50NE 40SE 30SW 50NW.  
 
FORECAST VALID 28/1200Z 19.2N 108.4W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 60NE 40SE 0SW 40NW.  
 
FORECAST VALID 29/0000Z 20.7N 108.4W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 50NE 50SE 0SW 30NW.  
 
FORECAST VALID 29/1200Z 22.0N 108.2W...POST-TROP/REMNT LOW  
MAX WIND 30 KT...GUSTS 40 KT.  
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM  
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY  
 
OUTLOOK VALID 30/1200Z 24.1N 108.0W...POST-TROP/REMNT LOW  
MAX WIND 25 KT...GUSTS 35 KT.  
 
OUTLOOK VALID 31/1200Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.4N 105.7W  
 
NEXT ADVISORY AT 26/2100Z  
 

 
FORECASTER HAGEN  
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page