US weather service warns of severe thunderstorms in Pennsylvania, Oklahoma

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The National Weather Service has issued severe thunderstorm warnings for central Mercer County, Pennsylvania, and the Oklahoma-Texas border area. The Pennsylvania storm, tracked 10 miles north of New Wilmington moving east at 20 mph, brings 60 mph wind gusts and small hail until 7:15 p.m. Eastern. Towns including Mercer, Stoneboro, and Jackson Center face roof and tree damage risks.

A separate warning covers northwestern Jefferson County, Oklahoma, and northeastern Clay County, Texas, until 6:15 p.m. Central. Trained spotters near Waurika clocked quarter-sized hail and 60 mph winds moving southwest at 10 mph. Residents in Waurika, Ryan, Addington, and Sugden are advised to move to interior rooms on lowest floors. An earlier 5:46 p.m. warning had omitted the hail hazard.