Jul 17, 2021
A relatively stationary front meandered across southern New England on the 17th and 18th while low pressure slowly moved along the front. At upper levels, an upper low was moving slowly eastward from the Great Lakes. With very moisture-laden air in place across the region, the result was heavy rain and flash flooding. In addition, there were rounds of severe thunderstorms and even a weak tornado in northern Connecticut. Rainfall totals ranged from 3.0 to 5.6 inches in northern Connecticut and
Source: NOAA National Weather Service Storm Events Database (event 973153). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Windham County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.