1 thunderstorm wind, as filed by the National Weather Service.
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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), 35 km away, was scanning. The volume nearest the first event began at 20:32 UTC.
1 thunderstorm wind. Local standard time, as filed.
Intense thunderstorm winds snapped 9 telephone poles, leaving about 40 residents without power for approximately 3 hours. Each pole had been snapped about 5 feet from its base. Most of the damage occurred along County Road 197 approaching State Highway 36.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 1999Every state in 1999This day in weather historyWarnings in Colorado, August 1999
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: 5718644.