Alert archive / Colorado / Winter Storm Warnings in 2014

Winter Storm Warning 2, NWS Grand Junction, CO

January 9, 20145 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Jan 9, 2014, 3:33 AM MST for 5 counties in Colorado. It took effect at Jan 9, 2014, 3:00 PM MST. It was in force for 43 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
Jan 9, 2014, 3:33 AM MST (10:33 UTC)
In effect from
Jan 9, 2014, 3:00 PM MST
Expired
Jan 11, 2014, 9:34 AM MST
In force
43 hr
Issued by
NWS Grand Junction, CO

Counties Eagle County, CO, Garfield County, CO, Moffat County, CO, Rio Blanco County, CO, Routt County, CO

The radar

The Grand Junction radar (KGJX), 123 km from the middle of the area, began a volume at 10:33 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

Riverton, WY (KRIW), launched 00:00Z, 10.6 hours before the alert went out and 341 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 2014-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2014-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Jan 8, 11:08 PM MST, 4 hours 25 minutes earlier.

Area forecast discussion, Jan 8, 11:08 PM MST, 4 hours 25 minutes before
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Hazardous weather outlook, Jan 9, 3:25 AM MST, 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
325 AM MST THU JAN 9 2014

COZ001>014-017>023-UTZ022>025-027>029-101030-
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-
325 AM MST THU JAN 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SNOWFALL WILL INCREASE AGAIN TONIGHT ACROSS MUCH OF NORTHWEST
COLORADO. WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE
IN EFFECT STARTING TONIGHT IN COLORADO'S NORTHERN MOUNTAINS...AS WELL
AS PORTIONS OF THE MOUNTAINS AND HIGH VALLEYS OF CENTRAL COLORADO.
WIDESPREAD SNOW AND BLOWING SNOW ARE EXPECTED...CAUSING TRAVEL
CONDITIONS TO BECOME HAZARDOUS OVER THE HIGH MOUNTAIN PASSES...
ESPECIALLY VAIL PASS AND RABBIT EARS PASS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES CONTINUE
FRIDAY THROUGH SATURDAY MORNING.

A COMBINATION OF STRONG WINDS AND PERIODS OF SNOW ARE EXPECTED
THROUGH SUNDAY MAINLY OVER THE NORTH. THE NORTHERN MOUNTAINS WILL
HAVE AREAS OF BLOWING AND DRIFTING SNOW AND WHITE-OUT CONDITIONS
THROUGH SUNDAY. TRAVEL THROUGH THE NORTHERN AND CENTRAL MOUNTAINS
OF COLORADO WILL BE QUITE HAZARDOUS DUE TO SNOW PACKED ROADS AND
DECREASED VISIBILITY IN SNOW AND BLOWING SNOW.

A CHANCE OF SNOW IS EXPECTED OVER THE NORTHERN AND CENTRAL
MOUNTAINS OF COLORADO THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

CUOCO

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 9, 3:33 AM MSTWinter Weather AdvisoryGJTDelta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 7 more50 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.