Jul 11, 2012
An upper level high pressure system shifted westward centering over portions of Utah and western Colorado. With sufficient moisture as well as instability, storms initially developed over northern portions of the state during the afternoon hours. These storms increased in coverage into the early evening with general storm motions toward the west and southwest. The thunderstorms, though not severe, did produce significant amounts of rainfall in very short time durations. This led to flooding of t
Source: NOAA National Weather Service Storm Events Database (event 382706). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Los Alamos County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.