Aug 7, 2019
Showers and thunderstorms developed across the New York City metro area ahead of a cold front during the afternoon of August 7th. These storms developed in an environment with precipitable water values close to 2 inches. Multiple rounds of showers and storms exacerbated the flash flood threat, with many locations receiving 1-3 inches of rain, much of which fell in only a few hours. A CoCoRaHS observer on Staten Island reported 2.26 inches of rain with this event.
Source: NOAA National Weather Service Storm Events Database (event 855255). 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.