Aug 29, 2013
A prominent ridge was in place over the center United States, with very moist air in place over southern Arizona. Precipitable water values were near 2 inches. Weak upper level flow caused storms to move slowly. Some storms produced 2 to 3 inches of rainfall, creating flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 475122). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cochise County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.