Sep 9, 2023
A stationary frontal system over northeastern Pennsylvania combined with a weak upper level disturbance to focus heavy rain producing thunderstorms over the area. Torrential downpours over just a couple of hours accumulated between 3 to 5 inches of rainfall in small stream basins above the large metropolitan area known as the Lackawanna-Wyoming Valley. Severe flash flooding resulted in many road and bridge washouts around the local region. Motorists were stranded on urban streets and the floodin
Source: NOAA National Weather Service Storm Events Database (event 1140880). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lackawanna County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.