Jul 23, 2019
Another wave of low pressure moved along a frontal boundary stalled over the region during the early morning hours of Tuesday, July 23rd. After widespread rainfall totals of 1-2 inches the night before, additional rainfall amounts of around one inch increased the two day rainfall totals to 2-3 inches across much of the area, with the majority of that rain falling within roughly an 18 hour period. This resulted in additional flash flooding, particularly across urban areas. Two day rainfall totals
Source: NOAA National Weather Service Storm Events Database (event 848623). 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.