Jul 17, 2018
Showers and thunderstorms developed in a moist and unstable airmass ahead of an approaching cold front, leading to isolated flash flooding across parts of the New York City Metro area. Precipitable water values during the afternoon were around 2 inches, and the ASOS in Central Park recorded 2.22 inches of rain, the majority of which fell within a 2-3 hour period.
Source: NOAA National Weather Service Storm Events Database (event 775714). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in New York County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.