 The urgent weather message. The National Weather Service in Pittsburgh has issued a severe thunderstorm warning for Northern Carroll County in East Central Ohio, Southwestern Columbiana County in East Central Ohio, until 6.30 p.m. Eastern Daylight Time. At 5.45 p.m. Eastern Daylight Time, a severe thunderstorm was located 11 miles northwest of Carrollton, moving east at 45 miles per hour. Hazard, 60 miles per hour wind gusts.