Sep 30, 2015
Almost 6 inches of rain fell at the Portland Jetport in a 4-hour period on the morning of September 30th with 2.22 inches falling in one hour between 11 AM and noon. This caused streets to quickly fill with water and many roads were closed due to flash flooding. Numerous cars were abandoned and some businesses were flooded. A daycare had to be evacuated due to flood waters entering the building.
Source: NOAA National Weather Service Storm Events Database (event 602047). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cumberland County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.