Colorado, 2005Winter Weather in Colorado, December 18 to 20, 2005
December 18 to 20, 2005 · NWS GJT · 4 events in 4 counties and zones
A series of disturbances embedded in a moist flow off the Pacific brought widespread snowfall of 5 to 12 inches to the central and southern mountains of western Colorado. Locally higher snowfall amounts included 17 inches at Red Mountain Pass and 22 inches at Vail Ski Area.
Every event with a place to put it; 4 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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
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 series of disturbances embedded in a moist flow off the Pacific brought widespread snowfall of 5 to 12 inches to the central and southern mountains of western Colorado. Locally higher snowfall amounts included 17 inches at Red Mountain Pass and 22 inches at Vail Ski Area.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before the first event at Dec 18, 3:02 AM MST, 2 hours 58 minutes earlier.
Area forecast discussion, Dec 18, 3:02 AM MST, 2 hours 58 minutes before
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</html>Hazardous weather outlook, Dec 18, 4:00 AM MST, 2 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
400 AM MST SUN DEC 18 2005
COZ001>014-017>023-UTZ022>025-027>029-181100-
ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
CENTRAL COLORADO RIVER BASIN-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR-
EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS-
ELKHEAD AND PARK MOUNTAINS-FLAT TOPS-
FOUR CORNERS/UPPER DOLORES RIVER-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS-
GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN-
NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER-
ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH-
SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU-
UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY-
UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS-
400 AM MST SUN DEC 18 2005
THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.
.DAY ONE...TODAY AND TONIGHT.
LIGHT SNOW WILL DEVELOP OVER THE NORTHERN MOUNTAINS TODAY...WHICH
WILL INCREASE AND SPREAD SOUTHWARD TONIGHT TO INCLUDE THE CENTRAL
MOUNTAINS. ACCUMULATIONS BY SUNDAY MORNING OVER THE NORTHERN
MOUNTAIN PASSES WILL BE IN THE 1 TO 3 INCH RANGE. ROADS THROUGH THE
NORTHERN MOUNTAINS WILL BECOME LOCALLY ICY AND SNOWPACKED CAUSING
IN HAZARDOUS DRIVING CONDITIONS.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SUNDAY AND SUNDAY NIGHT...SNOW IS LIKELY IN PORTIONS OF THE NORTHERN
AND CENTRAL COLORADO MOUNTAINS. FROM 2 TO 6 INCHES OF SNOW
ACCUMULATION IS POSSIBLE CAUSING LOCALLY HAZARDOUS DRIVING
CONDITIONS. THE IS A CHANCE OF SNOW IN THE EASTERN UINTA MOUNTAINS OF
UTAH AND THE BALANCE OF THE WESTERN COLORADO MOUNTAINS.
THERE IS A SLIGHT CHANCE OF SNOW MONDAY THROUGH THURSDAY IN THE
EASTERN UINTA MOUNTAINS OF NORTHEAST UTAH AND WESTERN COLORADO
MOUNTAINS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...BUT YOU ARE
ENCOURAGED TO REPORT SNOW AMOUNTS TO THE NATIONAL WEATHER SERVICE
IN GRAND JUNCTION.
MC/CJC
Winter Weather, Grand and Battlement Mesas
- When
- December 18, 6:00 AM MST to December 20, 6:00 AM MST
- Where
- Grand and Battlement Mesas forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.159, -108.078 (the zone’s center; the record gives no point)
Winter Weather, Gore and Elk Mountains/Central Mountain Valleys
- When
- December 18, 6:00 AM MST to December 20, 6:00 AM MST
- Where
- Gore and Elk Mountains/Central Mountain Valleys forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.481, -107.172 (the zone’s center; the record gives no point)
Winter Weather, Northwestern San Juan Mountains
- When
- December 18, 6:00 AM MST to December 20, 6:00 AM MST
- Where
- Northwestern San Juan Mountains forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.210, -107.755 (the zone’s center; the record gives no point)
Winter Weather, Southwestern San Juan Mountains
- When
- December 18, 6:00 AM MST to December 20, 6:00 AM MST
- Where
- Southwestern San Juan Mountains forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 37.594, -107.912 (the zone’s center; the record gives no point)
- 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.
- Cold in Illinois, December 18 to 22, 20054 deaths · 1 event
- Strong Wind in Hawaii, December 18, 20051 death · 1 injured · 1 event
- Cold in Wisconsin, December 18 to 19, 200520 events
- High Wind in Washington, December 18, 2005$20,000 · 58 kt wind · 2 events
- High Wind in Oregon, December 18 to 20, 200576 kt wind · 14 events
- High Wind in Oregon, December 18, 2005$15,000 · 58 kt wind · 2 events
- Winter Weather in Oregon, December 18 to 20, 20057 events
- Heavy Snow in Oregon, December 18 to 19, 20054 events
- Heavy Snow in Colorado, December 18, 20053 events
- Heavy Snow in Michigan, December 18 to 19, 20053 events
- Winter Storm and Heavy Snow in California, December 18 to 20, 20052 events
- High Wind in Hawaii, December 18 to 19, 200553 kt wind · 2 events
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: 5480077, 5480078, 5480079, 5480080.