Post Tropical Cyclone Isaias Advisory Forecast number 20

Post Tropical Cyclone Isaias Advisory Forecast number 20

Issued at 1500 UTC SUN OCT 11 2026 000

WTNT24 KWNH 111459

TCMAT4

Post-Tropical Cycle Isaiah Forecast/Advisory #20

NWS WEATHER Prediction Center COLLEGE PARK MD AL092026

1500 UTC SUN 11 Oct 2026

A post-tropical circulation center is located near 37.5N 84.0W at 11/1500Z

Accurate positioning within 20 nm

Present heading east-northeast or 65 degrees at 19 KT

Minimum estimated central pressure 1010 mega

Maximum sustained winds 20 KT with gusts up to 30 KT.

WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL

MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

Go back...the center is located near 37.5N 84.0W at 11/1500Z

AT 11/1200Z CENTER was located near 37.3N 84.8W

The forecast is valid 12/0000Z 38.8N 80.2W...post-trop/inland

MAX WIND 20 KT...gusts 30 KT.

Forecast valid 12/1200Z...request for 3 ship reports per hour within 300 miles of 37.5N 84.0W expired

This is the latest forecast/advisory issued by the

National Hurricane Center in this system

The forecaster Chenard