Heavy rain caused flash flooding in parts of southeastern Pennsylvania and the Lehigh Valley on the night of August 21-22.  Some locations received up to 2.5 to 4.5 inches of rain.

Flash Flood in CHESTER, PENNSYLVANIA
From 21-AUG-18 23:25:00 to 22-AUG-18 01:10:00 (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 MONTGOMERY, PENNSYLVANIA
From 21-AUG-18 21:55:00 to 22-AUG-18 04:00:00 (EST-5)
Location: FRUITVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

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

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 21-AUG-18 22:15:00 to 22-AUG-18 00:15:00 (EST-5)
Location: STOWE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flash flooding resulted in the need for a water rescue at the intersection of High Street and Manatawny Street in Pottstown.

Flash Flood in BERKS, PENNSYLVANIA
From 21-AUG-18 22:30:00 to 22-AUG-18 02:30:00 (EST-5)
Location: BECHTELSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flash flooding resulted in the need for a water rescue at the intersection of Route 100 and Mill Street in Washington Township.  Also, 30 individuals were evacuated from the Lazy K Campground due to flooding.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 21-AUG-18 22:10:00 to 22-AUG-18 00:10:00 (EST-5)
Location: LAYFIELD
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 Hoffmansville Road in New Hanover Township.  Route 73 was closed due to flooding between North Charlotte Street and Layfield Road.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 21-AUG-18 22:40:00 to 22-AUG-18 04:00:00 (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 at East Greenville.

Flash Flood in BERKS, PENNSYLVANIA
From 21-AUG-18 22:45:00 to 22-AUG-18 00:45:00 (EST-5)
Location: GOUGLERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mudslide occurred at the intersection of Vermont Road and Hampshire Road in Cumru Township.

Flash Flood in LEHIGH, PENNSYLVANIA
From 21-AUG-18 22:55:00 to 22-AUG-18 01:00:00 (EST-5)
Location: WESCOSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous road closures in South Whitehall Township.  Several vehicles were trapped in the flood waters.

Flash Flood in BERKS, PENNSYLVANIA
From 21-AUG-18 22:35:00 to 22-AUG-18 00:30:00 (EST-5)
Location: FRITZTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Fritztown Road was closed due to flash flooding between Old Fritztown Road and Chapel Hill Road in South Heidelberg Township and Spring Township.

Flash Flood in NORTHAMPTON, PENNSYLVANIA
From 21-AUG-18 23:10:00 to 22-AUG-18 01:10:00 (EST-5)
Location: LOCKPORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Flash flooding resulted in the closure of Riverview Drive in Lehigh Township.

Flash Flood in NORTHAMPTON, PENNSYLVANIA
From 21-AUG-18 23:10:00 to 22-AUG-18 01:10:00 (EST-5)
Location: SEEMSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread roadway flooding in East Allen Township.

Flash Flood in BERKS, PENNSYLVANIA
From 21-AUG-18 22:50:00 to 22-AUG-18 01:00:00 (EST-5)
Location: CHEROKEE RANCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Widespread roadway flooding in Ontlelaunee Township with several roads closed.

Flash Flood in LEHIGH, PENNSYLVANIA
From 21-AUG-18 22:45:00 to 22-AUG-18 00:45:00 (EST-5)
Location: SEIPSTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Widespread roadway flooding in Upper Macungie Township, Lower Macungie Township and Macungie.

Flash Flood in LEHIGH, PENNSYLVANIA
From 21-AUG-18 23:05:00 to 22-AUG-18 01:00:00 (EST-5)
Location: LAURYS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A vehicle was trapped in flood waters at the intersection of Route 145 and Clearview Road in North Whitehall Township.

Flash Flood in LEHIGH, PENNSYLVANIA
From 21-AUG-18 23:05:00 to 22-AUG-18 01:00:00 (EST-5)
Location: FOGELSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A vehicle was trapped in two feet of water on the eastbound ramp of Interstate 78 from Route 100 in Fogelsville.

Flash Flood in BERKS, PENNSYLVANIA
From 21-AUG-18 22:55:00 to 22-AUG-18 01:00:00 (EST-5)
Location: BAUMSTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding occurred along Monocacy Creek Road in Amity Township.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 21-AUG-18 22:55:00 to 22-AUG-18 01:00:00 (EST-5)
Location: SCHWENKSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Several roads in the Schwenksville area were closed due to flash flooding.