An embedded low pressure system in a northwest flow aloft produced significant to heavy snowfall in portions of western Colorado.
Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 episode as NWS GJT wrote it up.
An embedded low pressure system in a northwest flow aloft produced significant to heavy snowfall in portions of western Colorado.
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 Jan 12, 10:53 AM MST, 1 hour 7 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 520 AM MST MON JAN 12 2015 COZ001>014-017>023-UTZ022>025-027>029-131300- LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN- ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS- UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR- CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS- UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE- NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS- PARADOX VALLEY/LOWER DOLORES RIVER- FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN- SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS- EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT- LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES- 520 AM MST MON JAN 12 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT RAIN AND SNOW WILL BE DEVELOPING ACROSS EASTERN UTAH AND WESTERN COLORADO LATE THIS AFTERNOON AND TONIGHT. LOCALLY HEAVY SNOWFALL IS EXPECTED ACROSS SOUTHWEST COLORADO WHERE AMOUNTS MAY EXCEED A FOOT IN THE MOUNTAINS WITH UP TO A FOOT POSSIBLE FOR THE FOOTHILLS FROM DURANGO EAST TO PAGOSA SPRINGS. LIGHTER AMOUNTS CAN BE EXPECTED ELSEWHERE. NUMEROUS WINTER STORM WARNINGS AND ADVISORIES WILL REMAIN IN EFFECT TONIGHT AND TUESDAY. PLEASE VISIT OUR WEBSITE AT WEATHER.GOV/GJT FOR THE LATEST INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY RAIN AND SNOW WILL CONTINUE THROUGH TUESDAY EVENING...FAVORING SOUTHEAST UTAH AND SOUTHWEST COLORADO. THIS STORM EXITS BY EARLY WEDNESDAY WITH DRY CONDITIONS EXPECTED THROUGH THE END OF THE WEEK. THE NEXT CHANCE FOR RAIN AND SNOW WILL ARRIVE ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
638 AM MST MON JAN 12 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0630 AM SNOW 6 SSW COAL BANK PASS 37.62N 107.83W
01/12/2015 M3.0 INCH LA PLATA CO SKI AREA
24 HOUR SNOWFALL AT DURANGO MOUNTAIN RESORT
&&
EVENT NUMBER GJT1500065
DCThe national radar mosaic for the moment the first event began.
5 winter weather, 3 heavy snow. Local standard time, as filed.
Snowfall amounts of 6 to 12 inches were measured across the area.
Snowfall amounts around 5 inches were measured above the 7500 foot level.
Snowfall amounts of 2 to 4 inches were measured across the area.
Snowfall amounts around 6 inches were measured across the area. Schools in Bayfield and Durango were closed on the 13th.
Snowfall amounts of 5 to 10 inches were measured above the 8000 foot level.
Snowfall amounts of 5 to 10 inches were measured across the area.
Snowfall amounts of 6 to 10 inches were measured across the area.
Snowfall amounts of 6 to 12 inches were measured across the area. Schools in Pagosa Springs were closed on the 13th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2015Every state in 2015This day in weather historyWarnings in Colorado, January 2015
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: 558297, 558305, 558303, 558299, 558304, 558306, 558302, 558300.