Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 400 AM EDT for east central Ohio...and northern West Virginia. Please report severe weather by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Harrison County in east central Ohio... Jefferson County in east central Ohio... Northeastern Guernsey County in east central Ohio... Southeastern Carroll County in east central Ohio... Northern Belmont County in east central Ohio... Southeastern Tuscarawas County in east central Ohio... Ohio County in northern West Virginia... Marshall County in northern West Virginia... Brooke County in northern West Virginia... * Until 200 AM EDT. * At 107 AM EDT, a severe thunderstorm was located over Freeport, moving east at 55 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Law enforcement. IMPACT...Expect damage to trees and power lines, resulting in some power outages. * Locations impacted include... Wheeling, Steubenville, Martins Ferry, Uhrichsville, St. Clairsville, Bellaire, Barnesville, Cadiz, Warwood, Wellsburg, Bethlehem, West Liberty, Triadelphia, Clearview, Valley Grove, Freeport, Wintersville, Newcomerstown, Mingo Junction, and Dennison. This includes the following highways... Interstate 70 in Ohio between mile markers 181 and 225. Interstate 70 in West Virginia between mile markers 0 and 13. Interstate 77 in Ohio between mile markers 42 and 44, near mile marker 48, and between mile markers 50 and 70.