Mar 30, 2011
A stationary trough of low pressure off the Pacific Northwest Coast steered a deep fetch of subtropical moisture into the Idaho Panhandle which persisted from March 29th through early April. This resulted in several rounds of moderate to heavy precipitation, which primarily fell as rain below 6000 feet. Mild temperatures and breezy winds accompanying the subtropical moisture feed resulted in excessive mid-elevation snowmelt. The combination of heavy rainfall and excessive snow melt resulted in
Source: NOAA National Weather Service Storm Events Database (event 285601). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Shoshone County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.