1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The Denver radar (KFTG), 20 km away, was scanning. The volume nearest the first event began at 19:59 UTC.
1 thunderstorm wind. Local standard time, as filed.
Twelve motorists were injured in a multi-car accident when strong microburst winds estimated to 50 mph blew blinding dust across Interstate 70 near Bennett.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 1997Every state in 1997This day in weather historyWarnings in Colorado, August 1997
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5614141.