Tropical Cyclone Discussion

527
WTNT44 KWNH 102038
TCDAT4
 
Post-Tropical Cyclone Isaias Discussion Number  17
NWS Weather Prediction Center College Park MD   AL092026
400 PM CDT Sat Oct 10 2026
 
Key Messages:
 
1. Heavy rainfall associated with Post-Tropical Cyclone Isaias will
continue across the Southern Appalachians and Southeast today.
Considerable flash and urban flooding will be possible. Landslides
are also possible across the Southern Appalachians.
 
2. Strong wind gusts continue to pose a threat across the
southeastern United States today, particularly near the southern
Appalachians. Scattered power outages and downed trees and 
powerlines may occur, with the risk highest in elevated terrain.
 
3. Swells from Isaias will continue to affect much of the Gulf
coasts of the United States, Mexico, and western Cuba this weekend.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local weather
office.
 
4. A couple of tornadoes are possible today across eastern Georgia
and the Carolinas.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  10/2100Z 33.5N  86.9W   25 KT  30 MPH...POST-TROPICAL
 12H  11/0600Z 35.2N  86.0W   25 KT  30 MPH...POST-TROP/INLAND
 24H  11/1800Z 37.9N  81.9W   25 KT  30 MPH...POST-TROP/INLAND
 36H  12/0600Z...DISSIPATED