The Pittsburgh region continued to sit under an upper level ridge while tropical moisture lingered in the Northeast U.S. Sufficient instability allowed for a few strong storms to develop, causing tree damage. Localized flooding was the main concern due to a static atmosphere with light flow.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 20:10:00 to 04-JUL-18 22:30:00 (EST-5)
Location: SANDY CREEK
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 1.00K
Reported by: 911 Call Center

The 911 Call Center reported that vehicles were stuck in flooded roadway at Allegheny River Blvd and Sandy Creek Road.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:09:00 to 04-JUL-18 19:09:00 (EST-5)
Location: MILLTOWN
Magnitude: 55.00 EG
Reported by: 911 Call Center

The 911 Call Center reported a large tree fell on a vehicle along Hulton Rd in Unity. There was also a tree blocking a roadway at Repp Rd and Milltown Road.

Flash Flood in WESTMORELAND, PENNSYLVANIA
From 04-JUL-18 19:39:00 to 04-JUL-18 20:10:00 (EST-5)
Location: ARNOLA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.50K
Reported by: State Official

The 911 Call Center reported that 2300 Block of Freeport Road was flooded. Also the intersection of Route 356 and Leechburg Road.

Thunderstorm Wind in BUTLER, PENNSYLVANIA
From 04-JUL-18 20:50:00 to 04-JUL-18 20:50:00 (EST-5)
Location: KEISTERS
Magnitude: 55.00 EG
Reported by: Law Enforcement

Local law enforcement reported a tree down and blocking Centreville Pike.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:05:00 to 04-JUL-18 19:05:00 (EST-5)
Location: ETNA
Magnitude: 55.00 EG
Reported by: 911 Call Center

The 911 Call Center reported trees down near Route 28 at the Sharpsburg Exit. A old garage also collapsed into a roadway on Kittanning Street.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:06:00 to 04-JUL-18 19:06:00 (EST-5)
Location: CHERRY CITY
Magnitude: 55.00 EG
Reported by: 911 Call Center

The 911 Call Center reported tree blocking 57th Street at Duncan Street.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:25:00 to 04-JUL-18 19:25:00 (EST-5)
Location: ASPINWALL
Magnitude: 55.00 EG
Reported by: Social Media

A large tree was reported down in Highland Park on Wellesley on social media.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:08:00 to 04-JUL-18 19:08:00 (EST-5)
Location: OPTION
Magnitude: 55.00 EG
Reported by: 911 Call Center

A 911 Call Center reported that a tree was blocking the road at Wagner and Becks Run Road.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 19:08:00 to 04-JUL-18 19:08:00 (EST-5)
Location: ASPINWALL
Magnitude: 55.00 EG
Reported by: 911 Call Center

The 911 Call Center reported that a tree was blocking the ramp near Chapel Road at North Margery Drive.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 04-JUL-18 20:00:00 to 04-JUL-18 21:00:00 (EST-5)
Location: SHARPSBURG
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 1.00K
Reported by: Emergency Manager

A local emergency manager reported that Washington Blvd was closed in both directions due to flooding at Allegheny River Blvd and Negley Run. The north side of the river, in Aspinwall, there was flooding at Delafield Ave (report via social media).