Event narrative (NOAA)
A flash flood rushed down the Tatahatso Wash/Slot Canyon into the Colorado River (38 miles down stream from Lees Ferry). A commercial river trip with 30 people and two large raft had set up camp at the mouth of the wash for the night. The flash flood washed away the camp. Four people were injured and one person died.
Other notable flash flood events in Arizona
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.