Aug 28, 2021
A backdoor cold front approached the area during the afternoon before stalling across the region during the evening and overnight. This front sparked a few widely scattered thunderstorms in a moisture rich environment, with precipitable water values from both the 8am and 8pm soundings from Upton, NY measuring around 2 inches. With weak upper level flow resulting in slow storm motions and wet antecedent conditions as a result of rainfall associated with Tropical Storm Henri less than a week earli
Source: NOAA National Weather Service Storm Events Database (event 982815). 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.