Jul 21, 2021
With above normal atmospheric moisture values in place across northern and central New Mexico, it was another active monsoon day on July 21, 2021. The greatest storm coverage was across north central and west central New Mexico where numerous thunderstorms developed throughout the afternoon and evening hours. With the above normal moisture values and slow steering flow, heavy rain was common with these thunderstorms. A thunderstorm near Chaco Canyon produced significant flash flooding which dama
Source: NOAA National Weather Service Storm Events Database (event 963059). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Juan County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.