Warnings for Far NW KY

 SEVERE THUNDERSTORM WARNING FOR...
 NORTHEASTERN MISSISSIPPI COUNTY IN SOUTHEAST MISSOURI...
 EAST CENTRAL SCOTT COUNTY IN SOUTHEAST MISSOURI...
 SOUTHEASTERN ALEXANDER COUNTY IN SOUTHERN ILLINOIS...
 SOUTH CENTRAL PULASKI COUNTY IN SOUTHERN ILLINOIS...
 WESTERN BALLARD COUNTY IN WESTERN KENTUCKY...
 NORTHWESTERN CARLISLE COUNTY IN WESTERN KENTUCKY...

WIll it stay bowed out, and become a derecho. 
Or is it just a pulse storm?