Issued at 1500 UTC SUN OCT 11 2026 
000
WTNT24 KWNH 111459
TCMAT4
 
POST-TROPICAL CYCLONE ISAIAS FORECAST/ADVISORY NUMBER  20
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD   AL092026
1500 UTC SUN OCT 11 2026
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 37.5N  84.0W AT 11/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR  65 DEGREES AT  19 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB
MAX SUSTAINED WINDS  20 KT WITH GUSTS TO  30 KT.
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 37.5N  84.0W AT 11/1500Z
AT 11/1200Z CENTER WAS LOCATED NEAR 37.3N  84.8W
 
FORECAST VALID 12/0000Z 38.8N  80.2W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 12/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.5N  84.0W
 
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE
NATIONAL HURRICANE CENTER ON THIS SYSTEM
 
$$
FORECASTER CHENARD


Source: Post-Tropical Cyclone Isaias Forecast Advisory Number 20