Jun 3, 2015
The combination of a stalled frontal boundary, jet streak dynamics, and an upper level disturbance sweeping across Wyoming created the conditions necessary to produce severe thunderstorms in central Wyoming. A moisture-laden atmosphere also set the stage for flash flooding. Johnson County took the brunt of the heavy rainfall and flash flooding on Wednesday evening, June 3. Both the city of Buffalo and Interstate 90 were severely impacted by flood waters. Roads were closed, homes damaged or destr
Source: NOAA National Weather Service Storm Events Database (event 591684). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Johnson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.