May 17, 2023
A prolonged period of well-below-average spring temperatures combined with an above-average winter snowpack created a dynamic breakup of the Yukon River. This resulted in numerous ice jams and snowmelt flooding on the Yukon River. Breakup flooding began on May 12th in eastern Alaska in Eagle and ended on June 3rd in the Yukon River delta at the Bering Sea coast. The primary cause of this active flood year was a 1-2 week delay in breakup when compared to typical timing. April temperatures were we
Source: NOAA National Weather Service Storm Events Database (event 1104127). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Wrn Tanana Vly Wrn Yukon Vly County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.