Oct 20, 2004
A major Pacific storm system slowly moved east over Utah and brought incredible amounts of rain and snow to most locations. Strong southwest flow ahead of an upper level trough tapped tropical moisture southwest of Hawaii. This moisture streamed northeastward over the state from Sunday the 17th through Friday the 22nd. Many areas in Washington county reported flash flooding. Several bridges were washed away and many people reported flooded basements. Heavy snow fell at higher elevations in the m
Source: NOAA National Weather Service Storm Events Database (event 5427891). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Washington County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.