A stalled frontal boundary was the focus for several rounds of thunderstorms that produced damaging winds and flooding in spots. Over 8,000 people lost power.

Flash Flood in DELAWARE, PENNSYLVANIA
From 23-JUL-17 10:45:00 to 23-JUL-17 11:45:00 (EST-5)
Location: CHADDS FORD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A swift-water rescue occurred on a road.

Flash Flood in CHESTER, PENNSYLVANIA
From 23-JUL-17 19:30:00 to 23-JUL-17 20:30:00 (EST-5)
Location: CHATWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A vehicle was stuck at Gay and Montgomery due to flooding.

Flash Flood in CHESTER, PENNSYLVANIA
From 23-JUL-17 20:17:00 to 23-JUL-17 21:17:00 (EST-5)
Location: MENDENHALL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Burrows run road was flooded.

Flash Flood in BERKS, PENNSYLVANIA
From 24-JUL-17 17:15:00 to 24-JUL-17 18:15:00 (EST-5)
Location: BETHEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Several roads closed due to flooding.

Flash Flood in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:35:00 to 24-JUL-17 18:35:00 (EST-5)
Location: ALLENTOWN MUNI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A small SUV got stuck in flood waters on an unknown road.

Flash Flood in BERKS, PENNSYLVANIA
From 24-JUL-17 17:44:00 to 24-JUL-17 18:44:00 (EST-5)
Location: BERKSHIRE HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Flooding on Spring street.

Flash Flood in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:50:00 to 24-JUL-17 18:50:00 (EST-5)
Location: ALLENTOWN MUNI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Rescues at the south mall due to flood waters.

Flash Flood in DELAWARE, PENNSYLVANIA
From 24-JUL-17 20:26:00 to 24-JUL-17 21:26:00 (EST-5)
Location: RIDLEY PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A water rescue was reported.

Flood in BERKS, PENNSYLVANIA
From 22-JUL-17 15:45:00 to 22-JUL-17 16:45:00 (EST-5)
Location: MONTELLO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Minor flooding.

Flood in BERKS, PENNSYLVANIA
From 22-JUL-17 15:50:00 to 22-JUL-17 16:50:00 (EST-5)
Location: WYOMISSING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Minor flooding.

Flood in BERKS, PENNSYLVANIA
From 22-JUL-17 15:55:00 to 22-JUL-17 16:55:00 (EST-5)
Location: BERNHARTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flooding on route 222.

Flood in CHESTER, PENNSYLVANIA
From 22-JUL-17 16:50:00 to 22-JUL-17 17:50:00 (EST-5)
Location: PHOENIXVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Flooding reported on Bridge street.

Flood in MONTGOMERY, PENNSYLVANIA
From 22-JUL-17 17:10:00 to 22-JUL-17 18:10:00 (EST-5)
Location: YERKES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Poor drainage flooding on Cross-Keys road.

Flood in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:45:00 to 24-JUL-17 18:45:00 (EST-5)
Location: DILLINGERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Several roads flooded.

Flood in BERKS, PENNSYLVANIA
From 24-JUL-17 18:00:00 to 24-JUL-17 19:00:00 (EST-5)
Location: SCHUBERT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Several roads were closed due to flooding.

Flood in BERKS, PENNSYLVANIA
From 24-JUL-17 18:00:00 to 24-JUL-17 19:00:00 (EST-5)
Location: BETHEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Basement flooding was reported.

Flood in BUCKS, PENNSYLVANIA
From 24-JUL-17 19:00:00 to 24-JUL-17 20:00:00 (EST-5)
Location: ZION HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A foot of water on the road.

Flood in DELAWARE, PENNSYLVANIA
From 24-JUL-17 20:26:00 to 24-JUL-17 21:26:00 (EST-5)
Location: EDDYSTONE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several flooded roads.

Flood in DELAWARE, PENNSYLVANIA
From 24-JUL-17 20:26:00 to 24-JUL-17 21:26:00 (EST-5)
Location: CRUM LYNNE STATION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Several flooded roads.

Funnel Cloud in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:40:00 to 24-JUL-17 17:40:00 (EST-5)
Location: GAUFF HILL
Reported by: Trained Spotter

A spotter reported a funnel cloud near Lehigh University and route 78.

Heavy Rain in BERKS, PENNSYLVANIA
From 22-JUL-17 18:00:00 to 22-JUL-17 18:00:00 (EST-5)
Location: WEST READING
Reported by: Mesonet

One and a half inches of rain fell.

Heavy Rain in DELAWARE, PENNSYLVANIA
From 23-JUL-17 19:30:00 to 23-JUL-17 19:30:00 (EST-5)
Location: CHADDS FORD
Reported by: Trained Spotter

Just under four inches fell, with two inches in an hour.

Heavy Rain in CHESTER, PENNSYLVANIA
From 23-JUL-17 21:04:00 to 23-JUL-17 21:04:00 (EST-5)
Location: LYNDELL
Reported by: Trained Spotter

Just under two inches of rain measured.

Heavy Rain in MONTGOMERY, PENNSYLVANIA
From 24-JUL-17 18:15:00 to 24-JUL-17 18:15:00 (EST-5)
Location: HARTRANFT
Reported by: Social Media

Just under two inches of rain measured.

Heavy Rain in LEHIGH, PENNSYLVANIA
From 24-JUL-17 19:05:00 to 24-JUL-17 19:05:00 (EST-5)
Location: GERMANSVILLE
Reported by: Trained Spotter

Just under two inches of rain measured.

Heavy Rain in MONTGOMERY, PENNSYLVANIA
From 24-JUL-17 19:30:00 to 24-JUL-17 19:30:00 (EST-5)
Location: EAGLEVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Just under two inches of rain measured.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 22-JUL-17 16:40:00 to 22-JUL-17 16:40:00 (EST-5)
Location: EXTON
Magnitude: 52.00 EG
Reported by: Broadcast Media

A tree wad downed from thunderstorm winds on Ship road at Pullman drive.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 22-JUL-17 16:45:00 to 22-JUL-17 16:45:00 (EST-5)
Location: CHATWOOD
Magnitude: 52.00 EG
Reported by: Broadcast Media

Wires downed on Ashbridge road due to thunderstorm winds.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 22-JUL-17 16:50:00 to 22-JUL-17 16:50:00 (EST-5)
Location: SUGARTOWN
Magnitude: 52.00 EG
Reported by: Broadcast Media

Trees and wires downed on Dutton mill road due to thunderstorm winds.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 22-JUL-17 16:59:00 to 22-JUL-17 16:59:00 (EST-5)
Location: EAGLEVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

A large tree was taken down due to thunderstorm winds on Cross-Keys road.

Thunderstorm Wind in DELAWARE, PENNSYLVANIA
From 22-JUL-17 17:00:00 to 22-JUL-17 17:00:00 (EST-5)
Location: WAYNE
Magnitude: 52.00 EG
Reported by: Broadcast Media

Several trees taken down due to thunderstorm winds.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 22-JUL-17 17:00:00 to 22-JUL-17 17:00:00 (EST-5)
Location: NORRISTOWN
Magnitude: 52.00 EG
Reported by: Trained Spotter

Thunderstorm winds took down wires at Dekalb and Fornance streets.

Thunderstorm Wind in PHILADELPHIA, PENNSYLVANIA
From 22-JUL-17 17:20:00 to 22-JUL-17 17:20:00 (EST-5)
Location: PHILADELPHIA
Magnitude: 52.00 EG
Reported by: Trained Spotter

A tree was taken down due to thunderstorm winds at Ridge Ave and huntingdon street.

Thunderstorm Wind in BERKS, PENNSYLVANIA
From 24-JUL-17 17:10:00 to 24-JUL-17 17:10:00 (EST-5)
Location: KEMPTON
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees downed in several locations along with damage to a baseball fence and nursing home due to thunderstorm winds.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:22:00 to 24-JUL-17 17:22:00 (EST-5)
Location: WESCOSVILLE
Magnitude: 52.00 EG
Reported by: Social Media

Several trees down due to thunderstorm winds.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:29:00 to 24-JUL-17 17:29:00 (EST-5)
Location: FOGELSVILLE
Magnitude: 52.00 EG
Reported by: State Official

Several trees were uprooted due to thunderstorm winds.

Thunderstorm Wind in BERKS, PENNSYLVANIA
From 24-JUL-17 17:30:00 to 24-JUL-17 17:30:00 (EST-5)
Location: HANCOCK
Magnitude: 52.00 EG
Reported by: State Official

Several trees downed due to thunderstorm winds.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 24-JUL-17 17:30:00 to 24-JUL-17 17:30:00 (EST-5)
Location: ALLENTOWN MUNI
Magnitude: 52.00 EG
Reported by: Newspaper

Thunderstorm winds took down a large maple tree which damaged a home.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 24-JUL-17 18:40:00 to 24-JUL-17 18:40:00 (EST-5)
Location: JEFFERSONVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

Thunderstorm winds took down trees and wires.

Flash Flood in CHESTER, PENNSYLVANIA
From 23-JUL-17 19:30:00 to 23-JUL-17 20:30:00 (EST-5)
Location: ROSEDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A vehicle was stuck in high water near the intersection of Bayard and Rosedale.