Colorado, 1999

High Wind in Colorado, February 22 to 23, 1999

February 22 to 23, 1999 · NWS BOU · 3 events in 3 counties and zones

Chinook winds developed on a very localized scale overnight in and near the foothills of northern Jefferson and southern Boulder Counties. Peak wind reports included: 82 mph (71 kts) at the Rocky Flat Environmental Test Facility, 80 mph (70 kts) at the NCAR Mesa Lab, 77 mph (67 kts), 4 miles east- northeast of Nederland, and 75 mph (65 kts) at the Gamow Tower on the CU Campus.

Where it happened

Every event with a place to put it; 3 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

Chinook winds developed on a very localized scale overnight in and near the foothills of northern Jefferson and southern Boulder Counties. Peak wind reports included: 82 mph (71 kts) at the Rocky Flat Environmental Test Facility, 80 mph (70 kts) at the NCAR Mesa Lab, 77 mph (67 kts), 4 miles east- northeast of Nederland, and 75 mph (65 kts) at the Gamow Tower on the CU Campus.

The radar

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

Open the radar archive at this moment

Event by event

3 high wind. Local standard time, as filed.

High Wind, Denver Metropolitan Area

When
February 22, 6:15 PM MST to February 23, 3:10 AM MST
Where
Denver Metropolitan Area forecast zone
Measured
71 kt (82 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.714, -104.707 (the zone’s center; the record gives no point)

High Wind, Eastern Boulder County/Boulder and Vicinity

When
February 22, 6:15 PM MST to February 23, 3:10 AM MST
Where
Eastern Boulder County/Boulder and Vicinity forecast zone
Measured
65 kt (75 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.878, -105.220 (the zone’s center; the record gives no point)

High Wind, Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins

When
February 22, 6:15 PM MST to February 23, 3:10 AM MST
Where
Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins forecast zone
Measured
70 kt (81 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.380, -105.410 (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 1999Every state in 1999This day in weather historyWarnings in Colorado, February 1999

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: 5681792, 5681793, 5681794.