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KLWX 1200 UTC upper air sounding showing high CAPE and weak shear.
Storms erupting across Huntingdon and Franklin counties at 2000 UTC (4:00 pm).
Vertically Integrated Liquid radar image at 20:04 UTC (4:04 pm). Purple colors indicate potential for large hail in Huntingdon and Franklin counties.
Storms stretching from Lebanon county southwest to York county at 22:02 UTC (6:02 pm).
Storm over Schuylkill county producing penny size hail and wind gusts of 60 mph at Spring Glen at 20:15 UTC (4:15 pm).
Vertically Integrated Liquid radar image at 20:59 UTC (4:59 pm). Purple and white colors indicate potential for large hail over eastern Schuylkill county.
York county storm producing 1.00 inch diameter hail 5 miles east of Codorus at 22:00 UTC (6:00 pm). A radar loop also shows the storms moving across York county between 21:45 UTC (6:45 pm) and 22:19 UTC (6:19 pm).
Vertically Integrated Liquid radar image at 22:35 UTC (6:35 pm). Purple and white colors indicate potential for large hail over northeastern Lancaster county. At 6:30 pm a large tree blew down across the road in Ephrata and the power was out.