Jun 28, 2020
On the afternoon of June 28th, a warm front was draped across Southern Maine. A very moist air mass was in place as thunderstorms begin to develop along this frontal boundary. Storms continued to train across the same area along this boundary with very high rainfall rates, which led to localized flash flooding across York County.
Source: NOAA National Weather Service Storm Events Database (event 906987). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in York County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.