Mar 22, 2018
A warm plume of moist tropical air brought a very active period of weather to the area between the evening of March 20 and the evening of March 22. This resulted in widespread heavy rainfall across the area on March 21 and 22 which produced flooding at many locations with rock slides and debris flows closing several roads across the area. The most impacted areas being around Mariposa as a result of the Detwiler Fire burn scar and Springville as a result of the Pier Fire burn scar. In addition, t
Source: NOAA National Weather Service Storm Events Database (event 740496). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mariposa County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.