Alert archive / Colorado / Winter Storm Warnings in 2014
Winter Storm Warning 19, NWS Grand Junction, CO
NWS Grand Junction, CO issued this winter storm warning at Dec 20, 2014, 3:29 AM MST for 13 counties in Colorado. It took effect at Dec 21, 2014, 12:00 AM MST. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 20, 2014, 3:29 AM MST (10:29 UTC)
- In effect from
- Dec 21, 2014, 12:00 AM MST
- Expired
- Dec 23, 2014, 12:00 AM MST
- In force
- 48 hr
- Issued by
- NWS Grand Junction, CO
Counties Delta County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, Mesa County, CO, Moffat County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO, San Miguel County, CO
The radar
The Grand Junction radar (KGJX), 45 km from the middle of the area, began a volume at 10:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 00:00Z, 10.5 hours before the alert went out and 69 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, 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 this winter storm warning went out at Dec 19, 10:55 PM MST, 4 hours 34 minutes earlier.
Area forecast discussion, Dec 19, 10:55 PM MST, 4 hours 34 minutes before
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</html>Hazardous weather outlook, Dec 19, 5:40 AM MST, 21 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 540 AM MST FRI DEC 19 2014 COZ001>014-017>023-UTZ022>025-027>029-201300- 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- 540 AM MST FRI DEC 19 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT ISOLATED SNOW SHOWERS AND PATCHY FOG WILL END ACROSS EASTERN UTAH AND WESTERN COLORADO THIS MORNING. ANOTHER SURGE OF MOISTURE MOVES IN LATER TODAY WITH ISOLATED SHOWERS POSSIBLE OVERNIGHT...MAINLY ACROSS THE NORTHERN MOUNTAINS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A SERIES OF PACIFIC STORMS ARE EXPECTED TO MOVE THROUGH THE REGION BEGINNING SATURDAY NIGHT AND CONTINUING THROUGH TUESDAY. THIS MAY BRING MODERATE TO HEAVY SNOWFALL TO THE MOUNTAINS OF WESTERN COLORADO AND EASTERN UTAH...WITH A CHANCE FOR RAIN AND SNOW OVER THE VALLEYS. SNOWFALL ACCUMULATIONS COULD EXCEED ONE FOOT ACROSS THE NORTHERN AND CENTRAL MOUNTAINS IN WESTERN COLORADO...WITH LIGHTER AMOUNTS ANTICIPATED ELSEWHERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 3:29 AM MST | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 8 more | 63 hr |
| Dec 20, 2:49 PM MST | Winter Storm Watch | GJT | Daggett, Uintah | 12 hr |
Nearby
Winter Storm Warnings in Colorado, 2014Every winter storm warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.