Apr 27, 2003
An isolated supercell thunderstorm developed during the late afternoon and moved east across northern Brewster County. A second severe storm developed just north of Marathon, and began propagating south. The two storms merged over the city of Marathon and resulted in large hail, damaging winds, and flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 5347794). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Brewster County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.