Aug 21, 2019
A severe thunderstorm produced hail up to quarter size in Arapahoe, Denver and Jefferson counties. Heavy rain and flash flooding, close to 2 inches in one hour, also accompanied the nearly stationary storms. In Denver, flash flooding caused several vehicles to be stranded at Martin Luther King Blvd and Dahlia Street. Highway 6 near Federal Blvd also flooded. Standing water up to 3 feet deep occurred in Park Hill. Lastly, water made its way into buildings north of Interstate 70.
Source: NOAA National Weather Service Storm Events Database (event 851780). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Denver County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.