Rainfall totals of 2 to 4 inches were common in southeastern Pennsylvania with some locations receiving 5 to 6 inches of rain.  The heavy rain resulted in flash flooding.  Also, severe thunderstorms impacted the area.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 13-AUG-18 18:45:00 to 13-AUG-18 18:45:00 (EST-5)
Location: OXFORD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A few trees down between Oxford and Mount Vernon. Time estimated from radar.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 13-AUG-18 19:33:00 to 13-AUG-18 19:33:00 (EST-5)
Location: CEDAR HOLLOW STATION
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Report of large trees and limbs down in a wooded area near Paoli Hospital as well.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 06:05:00 to 13-AUG-18 09:05:00 (EST-5)
Location: LANDENBERG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Widespread roadway flooding in New Garden Township.  Many roads were impassable including Penn Green Road and Broad Run Road.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 06:30:00 to 13-AUG-18 09:30:00 (EST-5)
Location: ROCK RUN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for a water rescue at the intersection of Manor Road and Butterworth Road in Coatesville.

Flash Flood in BERKS, PENNSYLVANIA
From 13-AUG-18 07:00:00 to 13-AUG-18 10:00:00 (EST-5)
Location: BERNHARTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flash flooding resulted in the closure of the Warren Street Bypass in Muhlenberg Township between Route 61 and Business Route 222.

Flash Flood in DELAWARE, PENNSYLVANIA
From 13-AUG-18 07:30:00 to 13-AUG-18 10:30:00 (EST-5)
Location: WAYNE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for water rescues between Banbury Way and South Bellevue Avenue in Wayne.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:20:00 to 13-AUG-18 10:20:00 (EST-5)
Location: PLANEBROOK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for a water rescue on Church Road in East Whiteland Township where it intersected the Chester Valley Trail.

Flash Flood in DELAWARE, PENNSYLVANIA
From 13-AUG-18 07:25:00 to 13-AUG-18 10:30:00 (EST-5)
Location: BOOTHWYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for a water rescue at the intersection of Larkin Road and Woodstream Road in Boothwyn.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:40:00 to 13-AUG-18 10:40:00 (EST-5)
Location: BERWYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

At least three water rescues took place in Tredyffrin Township due to flash flooding.

Flash Flood in DELAWARE, PENNSYLVANIA
From 13-AUG-18 07:30:00 to 13-AUG-18 10:30:00 (EST-5)
Location: RADNOR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flash flooding occurred along Interstate 476 in Radnor Township resulting in lane restrictions in both directions.

Flash Flood in DELAWARE, PENNSYLVANIA
From 13-AUG-18 07:45:00 to 13-AUG-18 10:45:00 (EST-5)
Location: DREXEL HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flash flooding resulted in the need for numerous water rescues in Upper Darby Township.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:20:00 to 13-AUG-18 10:30:00 (EST-5)
Location: GREEN TREE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for several water rescues in Willistown Township.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 13-AUG-18 08:25:00 to 13-AUG-18 10:30:00 (EST-5)
Location: KING OF PRUSSIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

At least two water rescues took place in Upper Merion Township due to flash flooding.

Flash Flood in PHILADELPHIA, PENNSYLVANIA
From 13-AUG-18 09:15:00 to 13-AUG-18 11:15:00 (EST-5)
Location: PHILADELPHIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several homes were flooded in the Kensington section of Philadelphia.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 13-AUG-18 08:15:00 to 13-AUG-18 10:15:00 (EST-5)
Location: HARTRANFT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding resulted in the need for a water rescue at the intersection of North Wales Road and Marcia Lane in East Norriton Township.

Flash Flood in BERKS, PENNSYLVANIA
From 13-AUG-18 09:00:00 to 13-AUG-18 11:00:00 (EST-5)
Location: WEST HAMBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread roadway flooding occurred in Hamburg.  Many roads were impassable and some residents were evacuated from their homes due to rising flood waters.

Flash Flood in LEHIGH, PENNSYLVANIA
From 13-AUG-18 09:30:00 to 13-AUG-18 11:30:00 (EST-5)
Location: EAST TEXAS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding occurred along the Little Lehigh Creek in Ancient Oaks.  Spring Creek Road was flooded and impassable.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 08:20:00 to 13-AUG-18 10:00:00 (EST-5)
Location: VALLEY FORGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along Valley Creek at Valley Forge.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:55:00 to 13-AUG-18 11:30:00 (EST-5)
Location: PHOENIXVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along French Creek in Phoenixville.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 08:15:00 to 13-AUG-18 11:30:00 (EST-5)
Location: MARSHALLTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Major flooding occurred along the East Branch of the Brandywine Creek below Downingtown.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 08:30:00 to 13-AUG-18 09:15:00 (EST-5)
Location: FIVE PTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along the Red Clay Creek at Kennett Square.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:30:00 to 13-AUG-18 08:45:00 (EST-5)
Location: STRICKERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along the White Clay Creek near Strickersville.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:10:00 to 13-AUG-18 10:15:00 (EST-5)
Location: MODENA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Moderate flooding occurred along the West Branch of the Brandywine Creek at Modena.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 07:00:00 to 13-AUG-18 10:00:00 (EST-5)
Location: HAYTI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along the West Branch of the Brandywine Creek at Coatesville.

Flash Flood in CHESTER, PENNSYLVANIA
From 13-AUG-18 09:15:00 to 13-AUG-18 11:30:00 (EST-5)
Location: SUPLEE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Moderate flooding occurred along the West Branch of the Brandywine Creek below Honey Brook.

Flash Flood in DELAWARE, PENNSYLVANIA
From 13-AUG-18 07:25:00 to 13-AUG-18 11:30:00 (EST-5)
Location: FLORIDA PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Moderate flooding occurred along Crum Creek near Newtown Square.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 13-AUG-18 09:40:00 to 13-AUG-18 11:30:00 (EST-5)
Location: PENNSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Moderate flooding occurred along the East Branch of the Perkiomen Creek near East Greenville.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 13-AUG-18 09:15:00 to 13-AUG-18 11:30:00 (EST-5)
Location: FRUITVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred on the West Branch of the Perkiomen Creek near Hillegass.

Flash Flood in PHILADELPHIA, PENNSYLVANIA
From 13-AUG-18 08:20:00 to 13-AUG-18 09:50:00 (EST-5)
Location: OVERBROOK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding occurred along Cobbs Creek in Philadelphia.