Aug 10, 2022
An upper level trough on the West Coast slowly edged in between a ridge of high pressure to the east of the region. This allowed for monsoon moisture to move into the region along with strong southwest flow. Several days of isolated supercells occurred, bringing heavy rain and large hail to the region.
Source: NOAA National Weather Service Storm Events Database (event 1042401). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Owyhee County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.