A large upper-level low over the Northeast caused showers and thunderstorms to develop across the region.  Many storms became severe with damaging winds and large hail.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 21-JUN-07 13:50:00 to 21-JUN-07 13:50:00 (EST-5)
Location: BEAVER FALLS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees reported down by EMA.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 21-JUN-07 15:44:00 to 21-JUN-07 15:44:00 (EST-5)
Location: PITTSBURGH
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

The public reported large tree limbs down in Pittsburgh.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 21-JUN-07 13:53:00 to 21-JUN-07 13:53:00 (EST-5)
Location: VANDERGRIFT
Magnitude: 50.00 EG
Reported by: Public

Numerous large tree branches reported down in the area.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 21-JUN-07 13:55:00 to 21-JUN-07 13:55:00 (EST-5)
Location: APOLLO
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees reported down along the Kiski River.

Thunderstorm Wind in BUTLER, PENNSYLVANIA
From 21-JUN-07 14:40:00 to 21-JUN-07 14:40:00 (EST-5)
Location: MARS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Several trees reported down in the Mars area.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 21-JUN-07 14:05:00 to 21-JUN-07 14:05:00 (EST-5)
Location: NEW ALEXANDRIA
Magnitude: 50.00 EG
Reported by: Public

Trees reported down in the area by the public.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 21-JUN-07 14:00:00 to 21-JUN-07 14:00:00 (EST-5)
Location: TARENTUM
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Trees and power lines down.  Also in Natrona Heights and Fawn Township.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 21-JUN-07 14:45:00 to 21-JUN-07 14:45:00 (EST-5)
Location: DERRY
Magnitude: 50.00 EG
Reported by: Fire Department/Rescue

Trees reported down in the area.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 21-JUN-07 15:00:00 to 21-JUN-07 15:00:00 (EST-5)
Location: HOOKSTOWN
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees reported down in the Hookstown and Hanover areas.

Hail in BEAVER, PENNSYLVANIA
From 21-JUN-07 15:35:00 to 21-JUN-07 15:35:00 (EST-5)
Location: BEAVER FALLS
Magnitude: 0.75 
Reported by: Public

Multiple reports of 0.75 inch hail in the general vicinity.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 21-JUN-07 16:35:00 to 21-JUN-07 16:35:00 (EST-5)
Location: FAYETTE CITY
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

Trees down along Newell Road in Jefferson Township reported by EMA.

Thunderstorm Wind in WASHINGTON, PENNSYLVANIA
From 21-JUN-07 16:45:00 to 21-JUN-07 16:45:00 (EST-5)
Location: CLAYSVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

Trees reported down county-wide by EMA.

Hail in WESTMORELAND, PENNSYLVANIA
From 21-JUN-07 14:53:00 to 21-JUN-07 14:53:00 (EST-5)
Location: VANDERGRIFT
Magnitude: 0.75 
Reported by: Public

Penny size hail was reported by the public in Apollo.

Hail in INDIANA, PENNSYLVANIA
From 21-JUN-07 14:00:00 to 21-JUN-07 14:00:00 (EST-5)
Location: BLAIRSVILLE
Magnitude: 0.88 
Reported by: Fire Department/Rescue

Nickel size hail was reported in the area by Fire-Rescue Department.

Hail in BEAVER, PENNSYLVANIA
From 21-JUN-07 15:41:00 to 21-JUN-07 15:41:00 (EST-5)
Location: NEW BRIGHTON
Magnitude: 1.25 
Reported by: Public

Half dollar size hail was reported by the public near Fombell.

Hail in BUTLER, PENNSYLVANIA
From 21-JUN-07 15:50:00 to 21-JUN-07 15:50:00 (EST-5)
Location: MARS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WASHINGTON, PENNSYLVANIA
From 21-JUN-07 16:00:00 to 21-JUN-07 16:00:00 (EST-5)
Location: MC DONALD
Magnitude: 0.88 
Reported by: Public

Hail in ALLEGHENY, PENNSYLVANIA
From 21-JUN-07 16:11:00 to 21-JUN-07 16:11:00 (EST-5)
Location: TARENTUM
Magnitude: 0.75 
Reported by: Public

Hail in WESTMORELAND, PENNSYLVANIA
From 21-JUN-07 16:19:00 to 21-JUN-07 16:19:00 (EST-5)
Location: VANDERGRIFT
Magnitude: 0.75 
Reported by: Trained Spotter

Penny size hail was reported in the Mount Pleasant and Vandergrift area.

Hail in BEAVER, PENNSYLVANIA
From 21-JUN-07 13:43:00 to 21-JUN-07 13:43:00 (EST-5)
Location: NEW BRIGHTON
Magnitude: 0.75 
Reported by: Public

Penny size hail was reported by the public in New Brighton.