Colorado, 2020Winter Weather in Colorado, November 23 to 24, 2020
November 23 to 24, 2020 · NWS BOU · 5 events in 5 counties and zones
A storm system brought a period of moderate to heavy snowfall to areas in and near the Front Range mountains and foothills. Storm totals in the mountains generally ranged from 5 to 10 inches, with one station reporting 14 inches.
Every event with a place to put it; 5 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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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
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.
A storm system brought a period of moderate to heavy snowfall to areas in and near the Front Range mountains and foothills. Storm totals in the mountains generally ranged from 5 to 10 inches, with one station reporting 14 inches. In foothills of Boulder and Jefferson counties, as well as Denver and some of the western suburbs, storms totals ranged from 2 to 6 inches.
Winter Weather, S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet
- When
- November 23, 8:00 AM MST to November 24, 8:00 PM MST
- Where
- S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet forecast zone
- Reported by
- SNOTEL
- Coordinates
- 40.382, -105.820 (the zone’s center; the record gives no point)
Storms totals included 7 inches at Joe Wright, with 4.5 inches 4 miles southeast of Gould.
Winter Weather, S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet
- When
- November 23, 8:00 AM MST to November 24, 8:00 PM MST
- Where
- S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet forecast zone
- Reported by
- SNOTEL
- Coordinates
- 39.726, -105.675 (the zone’s center; the record gives no point)
Storms totals included: 14 inches at Michigan Creek SNOTEL, 10 inches at Echo Lake and Rough and Tumble SNOTELs; with 7 inches at Niwot Ridge.
Winter Weather, Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet
- When
- November 23, 8:00 AM MST to November 24, 8:00 PM MST
- Where
- Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet forecast zone
- Reported by
- SNOTEL
- Coordinates
- 39.516, -105.413 (the zone’s center; the record gives no point)
Storms totals included: 6.5 inches in Bailey, 6 inches at Aspen Springs, and 5 inches, 4 miles west-northwest of Conifer.
Winter Weather, Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County
- When
- November 24, 1:00 AM MST to 12:00 PM MST
- Where
- Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County forecast zone
- Reported by
- SNOTEL
- Coordinates
- 39.878, -105.220 (the zone’s center; the record gives no point)
Storms totals included 5 inches, 7 miles south of Lyons and at Wheat Ridge, with 3 inches at Ralston Reservoir.
Winter Weather, N Douglas County Below 6000 Feet / Denver / W Adams & Arapahoe Counties / E Broomfield County
- When
- November 24, 1:00 AM MST to 12:00 PM MST
- Where
- N Douglas County Below 6000 Feet / Denver / W Adams & Arapahoe Counties / E Broomfield County forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 39.714, -104.707 (the zone’s center; the record gives no point)
Storms totals included: 6 inches, 5 miles northeast of Westminster; 5 inches in Brighton and Denver International Airport, with 2 to 3 inches elsewhere.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
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 2026-10-01. Each event’s entry at NCEI: 930060, 930061, 930062, 930063, 930065.