Apr 16, 2018
Heavy rainfall developed across the area on the morning of April 16th ahead of a slow moving warm front. This rain developed in an environment with precipitable water values greater than 1.25 inches, well above normal for mid April. Rainfall totals generally ranged from 1.5 to 3.5 inches across much of New York City and the Lower Hudson Valley, with the majority of the rain falling in a 3-4 hour period. This resulted in flash flooding across the region.
Source: NOAA National Weather Service Storm Events Database (event 749699). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Richmond County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.