Jul 16, 2012
A nearly stationary upper level low pressure area parked near Brookings, Oregon brought abundant moisture across eastern Oregon. This combined with daytime heating to produce a few severe thunderstorms and locally heavy rainfall. Lightning caused a few wildfires which were quickly contained.
Source: NOAA National Weather Service Storm Events Database (event 391059). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Umatilla County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.