Lightning continues to flash over Lititz as winds blow heavy rain into the area, signaling the arrival of a strong series of storms expected to bring significant rainfall and flooding this evening in parts of Lancaster County. Visibility is poor for the evening commute as a result of the heavy rain and the gusting winds, and water is already pooling on streets in the downtown area.

In Ephrata, lightning strikes and winds toppled trees onto power lines, closing roads and leaving hundreds without power Tuesday evening.

At 4:54 p.m. Doppler radar indicated a severe thunderstorm capable of producing quarter size hail and damaging winds around 60 mph located over Mountville and moving east at 35 mph, according to the NWS warning. Weak rotation was spotted within the storm, and though no tornado was immediately likely, if one is spotted, move quickly to a place of safety in a sturdy structure, such as a basement or small interior room.

Travel on the Pennsylvania Turnpike is expected to be impacted by the storm between mile markers 291 to 295, and on Interstate 83 from mile markers 3 to 26.

The NWS advises those in the areas of the warning to prepare for large hail, stay safe indoors, and consider moving automobiles into a garage.

The National Weather Service at State College has issued a severe thunderstorm warning for Lancaster County until 6 p.m. and a severe thunderstorm watch for Lancaster and 16 other Pennsylvania counties through 7 p.m.

Over 1600 homes in Mt. Joy Township are currently without electricity service from PPL, as it appears to be the area most impacted by the storm in terms of utility service. Over 500 are without power in Cocalico Township, while 130-plus are powerless in Ephrata as of 5:30 p.m. No power outages in Warwick Township have been reported to PPL as of the time of publication.

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Please report any incidents of hail to the National Weather Service at @NWSStateCollege on Twitter.

Updated at 6:30 p.m.