Severe storms developed along an approaching front on Monday, June 14th. Strong shear (60kts in the 0-6km layer), moderate instability (CAPE of 1000-1500 J/kg), and dry mid-level air helped produce strong downdrafts and hail.

Thunderstorm Wind in GREENE, PENNSYLVANIA
From 14-JUN-21 17:15:00 to 14-JUN-21 17:15:00 (EST-5)
Location: SPRAGGS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Multiple trees down across the region.

Thunderstorm Wind in GREENE, PENNSYLVANIA
From 14-JUN-21 17:00:00 to 14-JUN-21 17:00:00 (EST-5)
Location: ALEPPO
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Multiple trees down across the region.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 14-JUN-21 16:25:00 to 14-JUN-21 16:25:00 (EST-5)
Location: BROWNSVILLE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Numerous trees and wires down across the region.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 14-JUN-21 15:00:00 to 14-JUN-21 15:00:00 (EST-5)
Location: SOUTHWEST
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Trees and wires down around Mount Pleasant Twp.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 14-JUN-21 15:00:00 to 14-JUN-21 15:00:00 (EST-5)
Location: ARMBRUST
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tree down on power line.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:28:00 to 14-JUN-21 14:28:00 (EST-5)
Location: WEST MIFFLIN
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Gust of 52kts measured at KAGC.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 14-JUN-21 15:24:00 to 14-JUN-21 15:24:00 (EST-5)
Location: GREENSBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Wires down on Middletown Road and Beaver Road in Hempfield Township.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:15:00 to 14-JUN-21 14:15:00 (EST-5)
Location: RIVERTON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree fell on a roof.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:15:00 to 14-JUN-21 14:15:00 (EST-5)
Location: MUNHALL
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree fell on a vehicle near Miller Ave.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:15:00 to 14-JUN-21 14:15:00 (EST-5)
Location: CARNEGIE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees down in the region.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:22:00 to 14-JUN-21 14:22:00 (EST-5)
Location: WEST MIFFLIN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree down on a building.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:56:00 to 14-JUN-21 14:56:00 (EST-5)
Location: LIBERTY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Tree down on home.

Hail in BUTLER, PENNSYLVANIA
From 14-JUN-21 12:22:00 to 14-JUN-21 12:22:00 (EST-5)
Location: ZELIENOPLE
Magnitude: 0.75 
Reported by: Trained Spotter

Trained spotter reported penny sized hail in Zelionople.

Hail in BUTLER, PENNSYLVANIA
From 14-JUN-21 13:33:00 to 14-JUN-21 13:33:00 (EST-5)
Location: SLIPPERY ROCK
Magnitude: 0.75 
Reported by: Public

Public report of hail slightly smaller than a quarter.

Hail in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:11:00 to 14-JUN-21 14:11:00 (EST-5)
Location: CARNEGIE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail slightly smaller than a quarter.

Hail in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:20:00 to 14-JUN-21 14:20:00 (EST-5)
Location: IMPERIAL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report of hail and small tree limbs down.

Hail in GREENE, PENNSYLVANIA
From 14-JUN-21 16:20:00 to 14-JUN-21 16:20:00 (EST-5)
Location: CARMICHAELS
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail reported by trained spotter.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 13:45:00 to 14-JUN-21 13:45:00 (EST-5)
Location: CARNEGIE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Trees and wires down on Chestnut Street at Ridge Road.

Thunderstorm Wind in WASHINGTON, PENNSYLVANIA
From 14-JUN-21 14:25:00 to 14-JUN-21 14:25:00 (EST-5)
Location: GRETNA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees down on a campground on Route 18.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:47:00 to 14-JUN-21 14:47:00 (EST-5)
Location: RIVERTON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree down on a roof.

Thunderstorm Wind in WASHINGTON, PENNSYLVANIA
From 14-JUN-21 14:50:00 to 14-JUN-21 14:50:00 (EST-5)
Location: WASHINGTON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees down on Interstate 79 near Interstate 70.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 14-JUN-21 14:50:00 to 14-JUN-21 14:50:00 (EST-5)
Location: NORVELT
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Widespread report of trees and power lines across Mt. Pleasant Two and Donegal Twp.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:55:00 to 14-JUN-21 14:55:00 (EST-5)
Location: DRAVOSBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Large tree down on home.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 13:45:00 to 14-JUN-21 13:45:00 (EST-5)
Location: SEWICKLEY HGTS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Multiple trees reported down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 13:48:00 to 14-JUN-21 13:48:00 (EST-5)
Location: CARNEGIE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree fell on a roof of a garage.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 13:50:00 to 14-JUN-21 13:50:00 (EST-5)
Location: BRENTWOOD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree with wires down on East Garden Road.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 13:54:00 to 14-JUN-21 13:54:00 (EST-5)
Location: IMPERIAL
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

NWS Employee reported large tree branches down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:00:00 to 14-JUN-21 14:00:00 (EST-5)
Location: OPTION
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree struck a home on B Street; damage unknown.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:05:00 to 14-JUN-21 14:05:00 (EST-5)
Location: OPTION
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree damaged the roof a of a building on Edgebrook Ave.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:10:00 to 14-JUN-21 14:10:00 (EST-5)
Location: DRAVOSBURG
Magnitude: 55.00 EG
Reported by: State Official

A large tree fell into a residence. No significant damage to structure.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:12:00 to 14-JUN-21 14:12:00 (EST-5)
Location: BRENTWOOD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

East Wilcox Street closed with wires on the road.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 14-JUN-21 15:10:00 to 14-JUN-21 15:10:00 (EST-5)
Location: BROWNSVILLE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Numerous trees and power lines down.

Hail in WASHINGTON, PENNSYLVANIA
From 14-JUN-21 14:35:00 to 14-JUN-21 14:35:00 (EST-5)
Location: WASHINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail reported.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:20:00 to 14-JUN-21 14:20:00 (EST-5)
Location: OPTION
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Tree and wires down on Bascom Ave.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 14-JUN-21 15:23:00 to 14-JUN-21 15:23:00 (EST-5)
Location: GREENSBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Trees down on College Ave/Hawksworth Road.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 14-JUN-21 14:10:00 to 14-JUN-21 14:10:00 (EST-5)
Location: LIBERTY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A tree fell through the roof of a home.