A deep upper level low pressure system shifted east from the mid-Mississippi Valley region through the afternoon and evening.  Broad southwest flow ahead of the system allowed temperatures to warm into the lower 80s, and with moderate instability, numerous showers and thunderstorms developed. Many reports of large hail and damaging winds occurred in northeast Pennsylvania.

Thunderstorm Wind in WAYNE, PENNSYLVANIA
From 26-MAY-11 20:45:00 to 26-MAY-11 20:45:00 (EST-5)
Location: HONESDALE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down county-wide. 10000 customers were without power.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 26-MAY-11 19:25:00 to 26-MAY-11 19:25:00 (EST-5)
Location: ATHENS
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Structural damage was done to a nursing home.

Thunderstorm Wind in WAYNE, PENNSYLVANIA
From 26-MAY-11 21:40:00 to 26-MAY-11 21:40:00 (EST-5)
Location: HAWLEY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 26-MAY-11 19:25:00 to 26-MAY-11 19:25:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and wires were blown down all over Sayre. Siding and shingles were blown off a house in town.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 26-MAY-11 19:20:00 to 26-MAY-11 19:20:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Two 100 foot tall trees were uprooted.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 26-MAY-11 20:20:00 to 26-MAY-11 20:20:00 (EST-5)
Location: HALLSTEAD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees were blown down in Hallstead, Great Bend and New Milford.

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 16:30:00 to 26-MAY-11 16:30:00 (EST-5)
Location: ATHENS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 16:33:00 to 26-MAY-11 16:33:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LUZERNE, PENNSYLVANIA
From 26-MAY-11 16:37:00 to 26-MAY-11 16:37:00 (EST-5)
Location: DALLAS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in LUZERNE, PENNSYLVANIA
From 26-MAY-11 16:47:00 to 26-MAY-11 16:47:00 (EST-5)
Location: DALLAS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 17:00:00 to 26-MAY-11 17:00:00 (EST-5)
Location: TROY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 18:30:00 to 26-MAY-11 18:30:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LUZERNE, PENNSYLVANIA
From 26-MAY-11 19:07:00 to 26-MAY-11 19:07:00 (EST-5)
Location: DRUMS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 19:20:00 to 26-MAY-11 19:20:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WAYNE, PENNSYLVANIA
From 26-MAY-11 20:52:00 to 26-MAY-11 20:52:00 (EST-5)
Location: NEWFOUNDLAND
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PIKE, PENNSYLVANIA
From 26-MAY-11 21:01:00 to 26-MAY-11 21:01:00 (EST-5)
Location: GREELEY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PIKE, PENNSYLVANIA
From 26-MAY-11 21:15:00 to 26-MAY-11 21:15:00 (EST-5)
Location: GREENTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 26-MAY-11 19:00:00 to 26-MAY-11 19:00:00 (EST-5)
Location: ALBA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees were blown down, with minor building damage reported.

Tornado in BRADFORD, PENNSYLVANIA
From 26-MAY-11 18:00:00 to 26-MAY-11 18:03:00 (EST-5)
Location: MILAN
Tornado F-scale: EF1
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down on a hillside about 1 mile southwest of Milan.  The tornado then tracked to the northeast for about four-tenths of a mile before lifting near Route 220.  Most of the damage was to trees.  There was also a trailer that was damaged by the strong winds and falling trees.

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 16:30:00 to 26-MAY-11 16:30:00 (EST-5)
Location: LEONA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BRADFORD, PENNSYLVANIA
From 26-MAY-11 16:30:00 to 26-MAY-11 16:30:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in PIKE, PENNSYLVANIA
From 26-MAY-11 21:24:00 to 26-MAY-11 21:24:00 (EST-5)
Location: MILFORD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were blown down in the county.

Thunderstorm Wind in WAYNE, PENNSYLVANIA
From 26-MAY-11 20:40:00 to 26-MAY-11 20:40:00 (EST-5)
Location: HAWLEY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 26-MAY-11 20:20:00 to 26-MAY-11 20:20:00 (EST-5)
Location: LANESBORO
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down and uprooted.