FloodZoneMap.org

Flash Flood — Warren, NJ

Aug 4, 2003

Thunderstorms with very heavy downpours dropped a Doppler Radar storm total estimate of between 2 and 4.8 inches across the northwestern portion of Warren County. The heaviest rain fell across Blairstown, Hardwick and Knowlton Townships. The worst reported flooding occurred in Knowlton Township where stream flooding forced the closure of several roadways and inundated a few basements. A Knowlton Township woman was injured when she was attempting to clear debris that was blocking a culvert on her

Source: NOAA National Weather Service Storm Events Database (event 5333901). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Warren, NJ

This event is one of many recorded floods in Warren County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Warren County flood data →

More Flood Stories

Flood$28.0M damage

Warren, NJ · Sep 18, 2004

The remnants of Hurricane Ivan interacting with a slowly moving cold front caused widespread very heavy rain to fall during the first half of the day on the 18th in Warren County. Storm totals average 3 to 6 inches with locally higher amounts throughout the county.

Read the full account →
Flood$12.5M damage

Warren, NJ · Aug 28, 2011

Irene produced torrential downpour rains that resulted in major flooding and a number of record breaking crests on area rivers, tropical storm force wind gusts with record breaking outages for New Jersey utilities, one confirmed tornado and a three to five foot storm surge that…

Read the full account →
Flood$15.0M damage

Warren, NJ · Jun 27, 2006

Several days of heavy rain throughout the Delaware River Basin culminated with major flooding along the Delaware River from the 28th through the 30th. It was the second to fourth highest crest on record for the Delaware River along Warren County.

Read the full account →
Flash Flood$7.0M damage

Warren, NJ · Sep 16, 1999

Hurricane Floyd battered New Jersey (especially the central and northern thirds) on September 16th and brought with it torrential and in some areas, unprecedented and record breaking rains and damaging winds.

Read the full account →