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

Flash Flood in BURLINGTON, NEW JERSEY
From 01-SEP-21 20:50:00 to 01-SEP-21 22:30:00 (EST-5)
Location: RIVERTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

NJ Route 73 in Palmyra was closed due to flooding.

Flash Flood in CAMDEN, NEW JERSEY
From 01-SEP-21 20:50:00 to 01-SEP-21 22:30:00 (EST-5)
Location: COLLINGSWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

US Route 30 was closed near the Airport Circle in Pennsauken Township due to flooding.

Flash Flood in CAMDEN, NEW JERSEY
From 01-SEP-21 22:45:00 to 02-SEP-21 00:00:00 (EST-5)
Location: BLUE ANCHOR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several roads in Winslow Township were closed due to flooding.

Flash Flood in MONMOUTH, NEW JERSEY
From 01-SEP-21 20:30:00 to 01-SEP-21 23:00:00 (EST-5)
Location: MATAWAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several sections of NJ Route 35 in Hazlet were closed due to flooding.

Flash Flood in MONMOUTH, NEW JERSEY
From 01-SEP-21 20:45:00 to 01-SEP-21 23:00:00 (EST-5)
Location: PORT MONMOUTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

NJ Route 36 was closed at Main Street in Port Monmouth due to flooding.

Flash Flood in MONMOUTH, NEW JERSEY
From 01-SEP-21 20:45:00 to 01-SEP-21 22:30:00 (EST-5)
Location: WEST FREEHOLD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

NJ Business Route 33 was closed between Wemrock Road and Cardigan Bay Lane in Freehold Township due to flooding.

Flash Flood in SUSSEX, NEW JERSEY
From 01-SEP-21 19:00:00 to 01-SEP-21 23:00:00 (EST-5)
Location: FLATBROOKVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flash flooding occurred in Sussex County with numerous road closures.

Flash Flood in SOMERSET, NEW JERSEY
From 01-SEP-21 18:45:00 to 01-SEP-21 22:45:00 (EST-5)
Location: BRANCHBURG PARK
Flood cause: Heavy Rain
Property damage: 75.00M
Crop damage: 10.00M
Reported by: Emergency Manager

Widespread flash flooding occurred in the southern half of Somerset County with numerous road closures.  There were two flood related fatalities in southern Somerset County, both in Hillsborough Township.  There were approximately 1200 water rescues in the entire county.  Many buildings and homes were either damaged or destroyed by the flood waters.  Most waterways in the county overflowed their banks, including the Raritan River, the Millstone River, Green Brook, Stony Brook and Middle Brook.

Flash Flood in MORRIS, NEW JERSEY
From 01-SEP-21 18:30:00 to 01-SEP-21 23:00:00 (EST-5)
Location: LONG VLY
Flood cause: Heavy Rain
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flash flooding occurred in Morris County with numerous road closures.  Many waterways in the county overflowed their banks, including the Passaic River, the Whippany River, the Pompton River and the Pequannock River.

Flash Flood in SOMERSET, NEW JERSEY
From 01-SEP-21 18:00:00 to 01-SEP-21 23:00:00 (EST-5)
Location: BRANCHBURG PARK
Flood cause: Heavy Rain
Property damage: 25.00M
Crop damage: 1.00M
Reported by: Emergency Manager

Widespread flash flooding occurred in the northern half of Somerset County with numerous roads closures.  There were three flood related fatalities in northern Somerset County, all in Bridgewater Township.  There were approximately 1200 water rescues in the entire county.  Many buildings and homes were either damaged or destroyed by the flood waters.  Most waterways in the county overflowed their banks, including the Raritan River, the Millstone River, Green Brook, Stony Brook and Middle Brook.

Flash Flood in MONMOUTH, NEW JERSEY
From 01-SEP-21 21:15:00 to 01-SEP-21 23:00:00 (EST-5)
Location: KEYPORT
Flood cause: Heavy Rain
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several water rescues took place in Keyport.

Flash Flood in HUNTERDON, NEW JERSEY
From 01-SEP-21 16:45:00 to 01-SEP-21 21:45:00 (EST-5)
Location: RIEGEL RIDGE
Flood cause: Heavy Rain
Property damage: 5000.00K
Crop damage: 1000.00K
Reported by: Emergency Manager

Widespread flash flooding occurred in Hunterdon County with numerous road closures.  There were over 300 water rescues in the county.  A total of six flood related fatalities were reported, one in Milford, one in East Amwell Township, and four in Raritan Township.  Many buildings and homes were damaged by the flood waters.  Most waterways in the county overflowed their banks, including the South Branch of the Raritan River, the Neshanic River and Spruce Run.

Flash Flood in WARREN, NEW JERSEY
From 01-SEP-21 17:30:00 to 01-SEP-21 20:30:00 (EST-5)
Location: ALLAMUCHY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flash flooding occurred in Warren County with many road closures.  Several waterways overflowed their banks, including the Musconetcong River.

Flash Flood in MIDDLESEX, NEW JERSEY
From 01-SEP-21 18:00:00 to 02-SEP-21 00:00:00 (EST-5)
Location: MIDDLESEX
Flood cause: Heavy Rain
Property damage: 50.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flash flooding occurred in Middlesex County with numerous road closures and over 500 water rescues.  A total of three flood related fatalities were reported in the county, one in South Plainfield, one in Piscataway Township, and one in Woodbridge Township.  There was significant damage to structures and vehicles, mainly in the northern part of the county.  Many waterways overflowed their banks, including the Lawrence Brook.

Flash Flood in CAMDEN, NEW JERSEY
From 01-SEP-21 18:30:00 to 01-SEP-21 20:30:00 (EST-5)
Location: PENNSAUKEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

US Route 130 was closed due to flooding at Browning Road in Pennsauken Township.

Flash Flood in MERCER, NEW JERSEY
From 01-SEP-21 18:30:00 to 02-SEP-21 00:30:00 (EST-5)
Location: TITUSVILLE
Flood cause: Heavy Rain
Property damage: 50.00M
Crop damage: 1.00M
Reported by: Emergency Manager

Widespread flash flooding occurred in Mercer County with numerous road closures and nearly 100 water rescues.  There were two flood related fatalities in the county, both in Hopewell Township.  Many waterways overflowed their banks including the Assunpink Creek, Stony Brook and the Delaware River (with a highly unusual quick response to the runoff).

Flash Flood in CAMDEN, NEW JERSEY
From 01-SEP-21 20:30:00 to 01-SEP-21 22:30:00 (EST-5)
Location: CAMDEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

US Route 30 in Camden was closed at Federal Street due to flooding.