Colorado, 2018

Winter Weather in Colorado, December 12 to 13, 2018

December 12 to 13, 2018 · NWS GJT · 3 events in 3 counties and zones

A shortwave trough and associated cold front pushed across western Colorado and produced moderate snowfall across some mountain areas. Gusty winds accompanied the front which led to some areas of reduced visibility in blowing snow.

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 GJT wrote it up.

A shortwave trough and associated cold front pushed across western Colorado and produced moderate snowfall across some mountain areas. Gusty winds accompanied the front which led to some areas of reduced visibility in blowing snow.

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 weather. Local standard time, as filed.

Winter Weather, Northwestern San Juan Mountains

When
December 12, 10:00 AM MST to December 13, 6:00 AM MST
Where
Northwestern San Juan Mountains forecast zone
Reported by
Department of Highways
Coordinates
38.210, -107.755 (the zone’s center; the record gives no point)

Generally 5 to 11 inches of snow fell across the area. Wind gusts ranged from 20 to 40 MPH with areas of blowing and drifting snow.

Winter Weather, Grand and Battlement Mesas

When
December 12, 10:00 AM MST to 7:00 PM MST
Where
Grand and Battlement Mesas forecast zone
Reported by
Mesonet
Coordinates
39.159, -108.078 (the zone’s center; the record gives no point)

The area received 4 to 8 inches of new snow. Locally higher amounts included 11 inches at a location 10.5 miles north-northwest of Cedaredge. Winds gusted up to 25 MPH which produced some blowing and drifting snow in exposed locations.

Winter Weather, Elkhead and Park Mountains

When
December 12, 11:00 AM MST to December 13, 2:00 AM MST
Where
Elkhead and Park Mountains forecast zone
Reported by
Mesonet
Coordinates
40.552, -107.599 (the zone’s center; the record gives no point)

Generally 5 to 10 inches of snow fell across the area. Winds gusted from 15 to 30 MPH which produced blowing and drifting snow in exposed locations. Highway 40 over Rabbit Ears Pass was closed for a while.

What these are

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.

The same day elsewhere

More

Every storm in Colorado in 2018Every state in 2018This day in weather historyWarnings in Colorado, December 2018

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 2026-09-30. Each event’s entry at NCEI: 790364, 790365, 790363.