Aug 22, 2021
Rainfall from Tropical Storm Henri resulted in widespread flash flooding across portions of northeast New Jersey With a tropical airmass in place (precipitable water values greater than 2 inches), rainfall totals generally ranged from 2-4 inches, with this rain coming in addition to the 1-3 inches that fell during the predecessor rainfall event the night before. This resulted in widespread rainfall amounts of 3-7 inches in many locations over a 24-36 hour period. The ASOS at Newark Airport recor
Source: NOAA National Weather Service Storm Events Database (event 982603). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Passaic County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.