Jun 22, 2022
A nearly stationary boundary oriented from north to south set up over the area. Showers and thunderstorms developed along the boundary. Storm motion was also north to south, which allowed for storms to train over the same locations, resulting in instances of flooding and flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 1022895). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Frederick County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.