If outdoors, consider seeking shelter inside a building.

At 546 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Ephrata to Millersville. Movement was east at 30 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Lancaster, Ephrata, Columbia, Lititz, Millersville, Willow Street, Mount Joy, New Holland, Manheim, East Petersburg, Akron, Leola, Paradise, Salunga-Landisville, Denver, Reamstown, Rothsville, Strasburg, Mountville, and Quarryville.