A cold front approaching from the West interacted with a warm and humid air mass provoking the development of showers and thunderstorms across the region.  Several storms became severe with damaging winds and large hail.

Hail in WESTMORELAND, PENNSYLVANIA
From 19-JUN-07 17:45:00 to 19-JUN-07 17:45:00 (EST-5)
Location: NEW KENSINGTON
Magnitude: 0.88 
Reported by: Trained Spotter

Nickel size hail was reported by a trained spotter in the New Kensington area.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 19-JUN-07 17:40:00 to 19-JUN-07 17:40:00 (EST-5)
Location: IRWIN
Magnitude: 50.00 EG
Reported by: Trained Spotter

Trees reported down in the Irwin area.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 19-JUN-07 18:05:00 to 19-JUN-07 18:05:00 (EST-5)
Location: KITTANNING
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Law Enforcement

Trees reported down county-wide.

Thunderstorm Wind in BUTLER, PENNSYLVANIA
From 19-JUN-07 18:10:00 to 19-JUN-07 18:10:00 (EST-5)
Location: SARVER
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees reported down in the area.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 19-JUN-07 18:15:00 to 19-JUN-07 18:15:00 (EST-5)
Location: FREEPORT
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: NWS Employee

Trees and power lines down.  Tree reported on fire.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:50:00 to 19-JUN-07 17:50:00 (EST-5)
Location: EAST MC KEESPORT
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

Numerous trees reported down in Monroeville area by EMA.  Basement flooding was also reported.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:55:00 to 19-JUN-07 17:55:00 (EST-5)
Location: TARENTUM
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

Numerous trees reported down in the Natrona Heights area.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:55:00 to 19-JUN-07 17:55:00 (EST-5)
Location: SOUTH PARK
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Numerous trees down in the South Park and Bethel Park areas of Allegheny County.

Thunderstorm Wind in WASHINGTON, PENNSYLVANIA
From 19-JUN-07 16:55:00 to 19-JUN-07 16:55:00 (EST-5)
Location: EIGHTY FOUR
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees down in Eighty Four along Carl Avenue and State Route 519.  A tree was reported across a trailer.  Pea sized hail also reported with this storm.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 19-JUN-07 16:55:00 to 19-JUN-07 16:55:00 (EST-5)
Location: FRANKLIN
Magnitude: 50.00 EG
Reported by: Law Enforcement

Large limbs and power lines down in Cranberry Township area.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:10:00 to 19-JUN-07 17:10:00 (EST-5)
Location: ELIZABETH
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees reported down on Greenock-Buena Vista Road.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 19-JUN-07 14:10:00 to 19-JUN-07 14:10:00 (EST-5)
Location: WEST MIDDLESEX
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees reported down by law enforcement.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 19-JUN-07 16:10:00 to 19-JUN-07 16:10:00 (EST-5)
Location: SHARON
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

EMA reported numerous trees down in and around Sharon, Hermitage, and Pymatuming with no power in Pymatuming.

Thunderstorm Wind in GREENE, PENNSYLVANIA
From 19-JUN-07 16:45:00 to 19-JUN-07 16:45:00 (EST-5)
Location: CARMICHAELS
Magnitude: 50.00 EG
Reported by: Emergency Manager

EMA reported trees down in Carmichaels area.

Thunderstorm Wind in INDIANA, PENNSYLVANIA
From 19-JUN-07 18:40:00 to 19-JUN-07 18:40:00 (EST-5)
Location: PLUMVILLE
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees reported down in the area.

Thunderstorm Wind in JEFFERSON, PENNSYLVANIA
From 19-JUN-07 18:45:00 to 19-JUN-07 18:45:00 (EST-5)
Location: REYNOLDSVILLE
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees reported down in the Reynoldsville area.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 19-JUN-07 13:58:00 to 19-JUN-07 13:58:00 (EST-5)
Location: STONEBORO
Magnitude: 50.00 EG
Reported by: Public

Large tree branches reported down by public.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:15:00 to 19-JUN-07 17:15:00 (EST-5)
Location: BALDWIN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Trees and wires down on Curry Road in Baldwin Borough.

Hail in ALLEGHENY, PENNSYLVANIA
From 19-JUN-07 17:45:00 to 19-JUN-07 17:45:00 (EST-5)
Location: VERONA
Magnitude: 0.88 
Reported by: Public

Nickel size hail was reported by a public observer.