Severe thunderstorms produced damage, and spawned two tornadoes during the afternoon of June 12th, 2011 in the Lower Susquehanna Region of Pennsylvania.

Hail in PERRY, PENNSYLVANIA
From 12-JUN-11 12:45:00 to 12-JUN-11 12:45:00 (EST-5)
Location: NEW BUFFALO
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size (1 inch diameter) hail reported in New Buffalo.

Hail in DAUPHIN, PENNSYLVANIA
From 12-JUN-11 12:50:00 to 12-JUN-11 12:50:00 (EST-5)
Location: HALIFAX
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size (1 inch diameter) hail reported in Halifax.

Hail in YORK, PENNSYLVANIA
From 12-JUN-11 13:45:00 to 12-JUN-11 13:45:00 (EST-5)
Location: YOCUMTOWN
Magnitude: 0.88 
Crop damage: 0.00K
Reported by: Public

Nickel size (0.88 inch diameter) hail lasted for 10 minutes in Valley Green.

Hail in YORK, PENNSYLVANIA
From 12-JUN-11 13:55:00 to 12-JUN-11 13:55:00 (EST-5)
Location: NEWBERRYTOWN
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size (1 inch diameter) hail reported in Etters near Goldsboro.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 12-JUN-11 14:12:00 to 12-JUN-11 14:12:00 (EST-5)
Location: LIGHTNER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds estimated near 60 mph knocked down numerous trees in Springettsbury Township.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 12-JUN-11 14:12:00 to 12-JUN-11 14:12:00 (EST-5)
Location: HALLAM
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds estimated near 60 mph knocked down trees in Hallam.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 12-JUN-11 14:12:00 to 12-JUN-11 14:12:00 (EST-5)
Location: WRIGHTSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees near Wrightsville.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 12-JUN-11 14:15:00 to 12-JUN-11 14:15:00 (EST-5)
Location: YORK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds estimated near 60 mph knocked down numerous trees in York Township.

Tornado in YORK, PENNSYLVANIA
From 12-JUN-11 14:30:00 to 12-JUN-11 14:31:00 (EST-5)
Location: WINDSOR
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A National Weather Service survey team and staff from the York County Emergency Management Agency concluded that an EF0 tornado, with peak winds around 75 mph,  touched down briefly during the afternoon of June 12th 2011. The tornado touched down at 1530 EDT about 1/4 mile northeast of Springvale, east of Red Lion. The tornado traveled to the southeast, and lifted just south of Bahnsmill Road at 1531 EDT. Several homes were affected, with one tree down on a house. A total of about 15 trees were damaged or downed. There were no injuries or fatalities.

Tornado in YORK, PENNSYLVANIA
From 12-JUN-11 14:25:00 to 12-JUN-11 14:28:00 (EST-5)
Location: WINDSOR
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The National Weather Service in State College surveyed storm damage in York County and determined that an EF1 tornado touched down near Windsor during the afternoon of June 12, 2011. The weak EF1 tornado, with peak winds estimated around 90 mph, touched down in East Windsor at 1525 EDT near State Route 624 and Maryland Avenue. The storm traveled to the southeast, and lifted just east of Pleasant Grove Road near State Route 74. Six homes were affected, with trees falling near or on them. Overall, about 50 trees were damaged or uprooted. There were no injuries or fatalities.