May 31, 2025
Thunderstorms developed over the central portion of the 2022 Hermit's Peak/Calf Canyon burn scar in the early afternoon of May 31st. One of these storms produced heavy rain over upper portions of the Gallinas and Sapello Rivers. An estimated 1 to 2 inches of rainfall produced flash flooding within these drainages that overtopped low water crossings that reached down the Gallinas Creek to areas between Montezuma and Las Vegas.||Key Word: Burn Scar Flash Flooding.
Source: NOAA National Weather Service Storm Events Database (event 1251318). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Miguel County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.