Scattered severe thunderstorms developed ahead of an approaching cold front the afternoon of the 18th, with localized flash flooding also occurring into the early morning of the 19th.

Thunderstorm Wind in WASHINGTON, PENNSYLVANIA
From 18-JUN-15 20:44:00 to 18-JUN-15 20:44:00 (EST-5)
Location: TAYLORSTOWN
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The 911 Call Center reported trees down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 18-JUN-15 20:46:00 to 18-JUN-15 20:46:00 (EST-5)
Location: STRAW PUMP
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported power lines down.

Thunderstorm Wind in GREENE, PENNSYLVANIA
From 18-JUN-15 20:51:00 to 18-JUN-15 20:51:00 (EST-5)
Location: DEER LICK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 18-JUN-15 20:51:00 to 18-JUN-15 20:51:00 (EST-5)
Location: REDUCTION
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 18-JUN-15 20:54:00 to 18-JUN-15 20:54:00 (EST-5)
Location: GREENSBURG
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 21:00:00 to 18-JUN-15 23:00:00 (EST-5)
Location: SHALECREST
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Social Media

The public reported 6 to 10 inches of water flowing across Route 8.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 21:30:00 to 18-JUN-15 23:30:00 (EST-5)
Location: WILLOCK
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported flash flooding on Streets Run Road, with numerous stuck vehicles closing the road.

Flash Flood in WESTMORELAND, PENNSYLVANIA
From 18-JUN-15 21:45:00 to 18-JUN-15 23:45:00 (EST-5)
Location: HUNKER
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Social Media

The public reported flash flooding with water running into a home.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 20:28:00 to 18-JUN-15 20:28:00 (EST-5)
Location: BLADDOCK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 21:55:00 to 18-JUN-15 23:55:00 (EST-5)
Location: STOOPS FERRY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

Flash flooding was reported on State Route 65 near Sewickley.

Flash Flood in VENANGO, PENNSYLVANIA
From 19-JUN-15 01:00:00 to 19-JUN-15 02:00:00 (EST-5)
Location: GREEN OAKS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported portions of Route 62 in President Township due to flash flooding causing a mud slide with debris on the road.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 19:43:00 to 18-JUN-15 19:43:00 (EST-5)
Location: BAYNE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees and power lines down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 19:45:00 to 18-JUN-15 19:45:00 (EST-5)
Location: BAYNE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported a large tree down across the roadway.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 19:45:00 to 18-JUN-15 19:45:00 (EST-5)
Location: WEXFORD
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 19:58:00 to 18-JUN-15 19:58:00 (EST-5)
Location: SEWICKLEY
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees and power lines down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 19:58:00 to 18-JUN-15 19:58:00 (EST-5)
Location: HIGHLAND
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 20:00:00 to 18-JUN-15 20:00:00 (EST-5)
Location: SEWICKLEY
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported power poles and a tree down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 20:26:00 to 18-JUN-15 20:26:00 (EST-5)
Location: LINCOLN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees and power lines down, starting a fire.

Thunderstorm Wind in GREENE, PENNSYLVANIA
From 18-JUN-15 20:59:00 to 18-JUN-15 20:59:00 (EST-5)
Location: RUFF CREEK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported trees down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 18-JUN-15 20:18:00 to 18-JUN-15 20:18:00 (EST-5)
Location: MT LEBANON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Law enforcement reported a large tree on a building.