Colorado, 1997

High Wind in Colorado, January 21, 1997

January 21, 1997 · NWS BOU · 2 events in 2 counties and zones

High winds along the Front Range Foothills caused an empty 18-wheeler to overturn on I-70, near the Morrison and C-470 exits. The truck landed on top of a passenger car traveling beside it.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
2
Property damage
None recorded
Crop damage
None recorded
Events
2

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 BOU wrote it up.

High winds along the Front Range Foothills caused an empty 18-wheeler to overturn on I-70, near the Morrison and C-470 exits. The truck landed on top of a passenger car traveling beside it. The drivers received only minor injuries. A peak gust to 89 mph (77 kts) was reported 1 mile east of Buckhorn while a gust to 62 mph (54 kts) was registered 9 miles west-southwest of Rustic.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

2 high wind. Local standard time, as filed.

High Wind, Larimer & Boulder Counties Between 6000 & 9000 Feet

When
January 21, 2:00 PM MST to 7:00 PM MST
Where
Larimer & Boulder Counties Between 6000 & 9000 Feet forecast zone
Measured
77 kt (89 mph)
Coordinates
40.380, -105.410 (the zone’s center; the record gives no point)

High Wind, Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet

When
January 21, 2:00 PM MST to 7:00 PM MST
Where
Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet forecast zone
Injuries
2 direct, 0 indirect
Coordinates
39.516, -105.413 (the zone’s center; the record gives no point)

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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, January 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: 5588222, 5588223.