Oct 31, 2021
A rapidly developing area of low pressure tracked across the Southern New England coast and directly over Western Maine on the evening of October 30th and into the early morning hours of October 31st. Light rain fell during the day before moderate rain began overspreading the area by the evening. Periods of heavy rainfall occurred overnight, mainly within a 6 hour window. Widespread reports of 2 to 4��� of rain were recorded in all areas except the Western Mountains. Coastal York, Knox
Source: NOAA National Weather Service Storm Events Database (event 989820). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Knox County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.