High Wind in Colorado, September 25, 1999

Name: High Wind in Colorado, September 25, 1999
Start: 1999-09-25T10:30
End: 1999-09-25T17:00
Location: Colorado

September 25, 1999 · NWS BOU · 1 event in 1 county or zone

1 high wind, as filed by the National Weather Service.

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.

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Winter weather
Heat and drought
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Fire, smoke and dust
Marine and coastal
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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.

The radar

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

Open the radar archive at this moment

Event by event

1 high wind. Local standard time, as filed.

High Wind, Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins / C Boulder / Ne Gilpin / C Larimer

When: September 25, 10:30 AM MST to 5:00 PM MST
Where: Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins / C Boulder / Ne Gilpin / C Larimer forecast zone
Measured: 78 kt (90 mph)
Reported by: TRAINED SPOTTER
Coordinates: 40.380, -105.410 (the zone’s center; the record gives no point)

High winds developed in the foothills of Boulder and Larimer Counties. Wondervu registered a peak wind gust to 90 mph (78 kts), while Red Feather Lakes topped out at 70 mph (61 kts).

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

Every storm in Colorado in 1999 Every state in 1999 This day in weather history Warnings in Colorado, September 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: 5718145.