Colorado, 1997

Flash Flood in Colorado, July 22, 1997

July 22, 1997 · NWS GJT · 1 event in 1 county or zone

Heavy rains from a thunderstorm resulted in five mudslides across a five-mile stretch of Colorado Highway 133 near Redstone. 1 to 3 feet of mud and debris closed both lanes of the highway for about an hour, before state maintenance crews were able to open one lane.

Where it happened

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.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS GJT wrote it up.

Heavy rains from a thunderstorm resulted in five mudslides across a five-mile stretch of Colorado Highway 133 near Redstone. 1 to 3 feet of mud and debris closed both lanes of the highway for about an hour, before state maintenance crews were able to open one lane. It took another six hours to clear the remaining debris before both lanes were open.

The radar

The Grand Junction radar (KGJX), 113 km away, was scanning. The volume nearest the first event began at 21:28 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Pitkin

When
July 22, 2:30 PM MST to 3:00 PM MST
Where
Pitkin County, 3 mi N of Redstone
Coordinates
39.217, -106.917 (the zone’s center; the record gives no point)

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 1997Every state in 1997This day in weather historyWarnings in Colorado, July 1997

Sources

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: 5610804.