Sep 27, 2011
Post frontal showers developed in the wake of a cold front late in the afternoon across southern Pend Oreille County. A shallow layer of instability off the surface and ample low level moisture resulted in quick developing convective cells that produced heavy rainfall and pea sized hail.
Source: NOAA National Weather Service Storm Events Database (event 343728). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pend Oreille County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.