Issued at 1100 AM EDT Sun Oct 11 2026 
000
WTNT44 KWNH 111500
TCDAT4
 
Post-Tropical Cyclone Isaias Discussion Number  20
NWS Weather Prediction Center College Park MD   AL092026
1100 AM EDT Sun Oct 11 2026
 
Key Messages:
 
1. Areas of heavy rainfall will continue across portions of the 
Central Appalachians and Mid-Atlantic today, with localized flash 
and urban flooding possible. River flooding continues in western 
North Carolina. 

2. Swells from Isaias will continue to affect much of the Gulf and
Southeastern Atlantic coasts of the United States today. These 
swells are likely to cause life-threatening surf and rip current 
conditions. Please consult products from your local weather office.
 
3. A couple of tornadoes are possible today across the Piedmont and
Coastal Plain of Virginia and North Carolina.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  11/1500Z 37.5N  84.0W   20 KT  25 MPH...POST-TROP/INLAND
 12H  12/0000Z 38.8N  80.2W   20 KT  25 MPH...POST-TROP/INLAND
 24H  12/1200Z...DISSIPATED
 
$$
Forecaster Chenard


Source: Post-Tropical Cyclone Isaias Forecast Discussion Number 20