Colorado, 2000

Winter Storm in Colorado, May 17, 2000

May 17, 2000 · NWS BOU · 3 events in 3 counties and zones

The combination of strong winds aloft and high instability, associated with a passing Pacific storm system, allowed for winter storm conditions to develop over parts of the northern mountains and adjacent foothills. Snowfall totals from the storm included: 12 inches at Hohnholz Ranch and Old Glendevy Ranch, 11 inches at Klondike, 9 inches, 4 miles southeast of Gould and 8 inches at Hourglass Lake.

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.

The combination of strong winds aloft and high instability, associated with a passing Pacific storm system, allowed for winter storm conditions to develop over parts of the northern mountains and adjacent foothills. Snowfall totals from the storm included: 12 inches at Hohnholz Ranch and Old Glendevy Ranch, 11 inches at Klondike, 9 inches, 4 miles southeast of Gould and 8 inches at Hourglass Lake.

The radar

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

Open the radar archive at this moment

Event by event

3 winter storm. Local standard time, as filed.

Winter Storm, Rabbit Ears & Medicine Bow Ranges/Rocky Mountain National Park / W Larimer / Jackson Ecept C / N Grand / X Nw Boulder

When
May 17, 8:00 AM MST to 8:00 PM MST
Where
Rabbit Ears & Medicine Bow Ranges/Rocky Mountain National Park / W Larimer / Jackson Ecept C / N Grand / X Nw Boulder forecast zone
Reported by
TRAINED SPOTTER
Coordinates
40.382, -105.820 (the zone’s center; the record gives no point)

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

When
May 17, 8:00 AM MST to 8:00 PM MST
Where
Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins / C Boulder / Ne Gilpin / C Larimer forecast zone
Reported by
TRAINED SPOTTER
Coordinates
40.380, -105.410 (the zone’s center; the record gives no point)

Winter Storm, Summit County/Mosquito Range/Indian Peaks / S Grand / Summit / W Clear Creek / W Gilpin / Sw Boulder / Nw Park

When
May 17, 8:00 AM MST to 8:00 PM MST
Where
Summit County/Mosquito Range/Indian Peaks / S Grand / Summit / W Clear Creek / W Gilpin / Sw Boulder / Nw Park forecast zone
Reported by
TRAINED SPOTTER
Coordinates
39.726, -105.675 (the zone’s center; the record gives no point)

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

More

Every storm in Colorado in 2000Every state in 2000This day in weather historyWarnings in Colorado, May 2000

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: 5148511, 5148512, 5148579.