Dec 21, 2018
Low pressure moving up the spine of the Appalachians resulted in widespread heavy rainfall and reports of flash flooding across portions of southeast New York. A record high precipitable water value of 1.66 inches was recorded on the 12Z sounding from Upton, NY. Rainfall amounts across the region ranged from 1.5 to 4. A CoCoRaHS observer in Armonk reported 3.72 inches of rain from this event, while a cooperative observer in Centerport recorded 2.94 inches. In New York City, the ASOS in Central P
Source: NOAA National Weather Service Storm Events Database (event 793062). 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.