Post Tropical Cyclone Ida brought heavy rain to eastern Pennsylvania on September 1.  Rainfall totals were as high as 5 to 10 inches.  The heavy rain caused significant flash flooding, mainly in the southeastern part of the state.  It resulted in widespread property damage.  There were several fatalities.

Flash Flood in MONROE, PENNSYLVANIA
From 01-SEP-21 14:30:00 to 01-SEP-21 15:00:00 (EST-5)
Location: TANNERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Warner Road was closed at PA Route 715 in Pocono Township due to flooding.

Flash Flood in BERKS, PENNSYLVANIA
From 01-SEP-21 14:00:00 to 01-SEP-21 18:00:00 (EST-5)
Location: MORGANTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Berks County with many road closures.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 01-SEP-21 15:30:00 to 01-SEP-21 21:00:00 (EST-5)
Location: LEDERACH
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded.  Numerous water rescues took place.  Many buildings and homes were flooded.  Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek and Wissahickon Creek.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 01-SEP-21 15:30:00 to 01-SEP-21 21:00:00 (EST-5)
Location: SASSAMANSVILLE
Flood cause: Heavy Rain
Property damage: 20.00M
Crop damage: 1.00M
Reported by: 911 Call Center

Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded.  Numerous water rescues took place.  Many buildings and homes were flooded.  Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek and Wissahickon Creek.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 01-SEP-21 17:00:00 to 01-SEP-21 21:00:00 (EST-5)
Location: ORELAND
Flood cause: Heavy Rain
Property damage: 20.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded.  Numerous water rescues took place.  Many buildings and homes were flooded.  Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek and Wissahickon Creek.

Flash Flood in NORTHAMPTON, PENNSYLVANIA
From 01-SEP-21 16:00:00 to 01-SEP-21 21:30:00 (EST-5)
Location: BERLINSVILLE
Flood cause: Heavy Rain
Property damage: 25.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Northampton County with many road closures.  There was flooding along numerous waterways in the county, including the Lehigh River and the Monocacy Creek.

Flash Flood in DELAWARE, PENNSYLVANIA
From 01-SEP-21 16:00:00 to 01-SEP-21 22:30:00 (EST-5)
Location: EDGEMONT
Flood cause: Heavy Rain
Property damage: 15.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Delaware County with numerous road closures.  Many creeks in the county overflowed their banks, including Chester Creek, Ridley Creek, Crum Creek and Cobbs Creek.

Flash Flood in LEHIGH, PENNSYLVANIA
From 01-SEP-21 15:15:00 to 01-SEP-21 21:00:00 (EST-5)
Location: STEINSVILLE
Flood cause: Heavy Rain
Property damage: 20.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Lehigh County with many road closures.  There was flooding along numerous waterways in the county, including the Lehigh River and Little Lehigh Creek.

Flash Flood in NORTHAMPTON, PENNSYLVANIA
From 01-SEP-21 18:00:00 to 01-SEP-21 23:00:00 (EST-5)
Location: CLEARFIELD
Flood cause: Heavy Rain
Property damage: 25.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Northampton County with many road closures.

Flash Flood in BUCKS, PENNSYLVANIA
From 01-SEP-21 17:30:00 to 01-SEP-21 21:45:00 (EST-5)
Location: DAVISVILLE
Flood cause: Heavy Rain
Property damage: 25.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in lower Bucks County with many road closures and vehicles stranded.  There were numerous water rescues.  Most waterways in the county overflowed, including the Delaware River (with a highly unusual quick response to the runoff), Neshaminy Creek, Tohickon Creek and the East Branch of the Perkiomen Creek.  Many buildings and homes were flooded.

Flash Flood in MONTGOMERY, PENNSYLVANIA
From 01-SEP-21 14:30:00 to 01-SEP-21 21:00:00 (EST-5)
Location: KING OF PRUSSIA
Flood cause: Heavy Rain
Property damage: 20.00M
Crop damage: 1.00M
Reported by: 911 Call Center

Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded.  Numerous water rescues took place.  There were two flood related fatalities, one in Skippack and one in Bridgeport.  Many buildings and homes were flooded.  Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek and Wissahickon Creek.

Flash Flood in BUCKS, PENNSYLVANIA
From 01-SEP-21 16:00:00 to 01-SEP-21 21:45:00 (EST-5)
Location: AQUETONG
Flood cause: Heavy Rain
Property damage: 25.00M
Crop damage: 1.00M
Reported by: 911 Call Center

Widespread flash flooding occurred in upper Bucks County with many road closures and vehicles stranded.  There were numerous water rescues.  One flood related fatality was reported in Milford Township.  Most waterways in the county overflowed, including the Delaware River (with a highly unusual quick response to the runoff), Neshaminy Creek, Tohickon Creek and the East Branch of the Perkiomen Creek.  Many buildings and homes were flooded.

Flash Flood in CHESTER, PENNSYLVANIA
From 01-SEP-21 14:15:00 to 01-SEP-21 21:00:00 (EST-5)
Location: NOTTINGHAM
Flood cause: Heavy Rain
Property damage: 40.00M
Crop damage: 1.00M
Reported by: 911 Call Center

Widespread flash flooding occurred in Chester County with many road closures and vehicles stranded.  There was a flood related fatality in Downingtown.  Numerous waterways in the county flooded, including the Schuylkill River, the West Branch of the Brandywine Creek, the East Branch of the Brandywine Creek, White Clay Creek, Red Clay Creek, French Creek and Valley Creek.  There were many reports of water entering buildings and homes.

Flash Flood in PHILADELPHIA, PENNSYLVANIA
From 01-SEP-21 17:20:00 to 01-SEP-21 23:00:00 (EST-5)
Location: WAYNE JCT
Flood cause: Heavy Rain
Property damage: 60.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Philadelphia with many roadways closed.  Most of the waterways in the city overflowed their banks, including the Schuylkill River, Cobbs Creek, Wissahickon Creek, Frankford Creek and Pennypack Creek.  Many buildings were flooded, especially in the Manayunk section of the city.

Flash Flood in PHILADELPHIA, PENNSYLVANIA
From 01-SEP-21 17:20:00 to 01-SEP-21 23:00:00 (EST-5)
Location: BYBERRY
Flood cause: Heavy Rain
Property damage: 40.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Philadelphia with many roadways closed.  Most of the waterways in the city overflowed their banks, including the Schuylkill River, Cobbs Creek, Wissahickon Creek, Frankford Creek and Pennypack Creek.  Many buildings were flooded, especially in the Manayunk section of the city.

Flash Flood in MONROE, PENNSYLVANIA
From 01-SEP-21 18:30:00 to 01-SEP-21 23:00:00 (EST-5)
Location: STROUDSBURG
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: 911 Call Center

There were numerous road closures in the Stroudsburg and East Stroudsburg area due to flooding.  Sections of PA Route 191 and PA Route 447 were impassable.  Also, Interstate 80 was closed near the Delaware River.

Flash Flood in DELAWARE, PENNSYLVANIA
From 01-SEP-21 16:45:00 to 01-SEP-21 22:30:00 (EST-5)
Location: BOOTH CORNER
Flood cause: Heavy Rain
Property damage: 15.00M
Crop damage: 0.00K
Reported by: 911 Call Center

Widespread flash flooding occurred in Delaware County with numerous road closures.  Many creeks in the county overflowed their banks, including Chester Creek, Ridley Creek, Crum Creek and Cobbs Creek.