Jul 18, 2022
Several rounds of heavy thunderstorms developed in the warm sector of a frontal system on July 18th, 2022. These thunderstorms developed in an environment with 2 to 2.3 inch PWAT values and CAPE near 3000 J/kg. Training thunderstorms produced a widespread 1 to 3 inches of rainfall with localized spots up to 4 to 5 inches.
Source: NOAA National Weather Service Storm Events Database (event 1048801). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Suffolk County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.