Sep 8, 2023
A stationary front provided the focus for the development of slow moving heavy thunderstorms on the afternoon of September 8th 2023. The thunderstorms developed in an unstable environment with CAPE values of 3000-4000 J/kg and PWATs near 1.7 - 1.8 inches. These thunderstorms produced rainfall rates of 1-2 inches per hour with a total accumulation of 1-3 inches of rain.
Source: NOAA National Weather Service Storm Events Database (event 1135540). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Bergen County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.