Apr 6, 2017
Cutoff low pressure was over the Ohio Valley. Another area of low pressure strengthened overhead on the occluded boundary. Warm and moist air from the south lead to an unstable atmosphere. Showers and thunderstorms led to heavy rain at times and led to a river gauge reaching flood stage in northeast MD.
Source: NOAA National Weather Service Storm Events Database (event 691215). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Prince George's County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.