Alert archive / Colorado / Winter Storm Warnings in 2013

Winter Storm Warning 3, NWS Grand Junction, CO

January 27, 201318 counties in Colorado; Grand County, San Juan County, Utah

NWS Grand Junction, CO issued this winter storm warning at Jan 27, 2013, 5:30 AM MST for 18 counties in Colorado; Grand County, San Juan County, Utah. It took effect at Jan 27, 2013, 6:00 PM MST. It was in force for 4 days. 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 27, 2013, 5:30 AM MST (12:30 UTC)
In effect from
Jan 27, 2013, 6:00 PM MST
Expired
Jan 31, 2013, 6:00 PM MST
In force
4 days
Issued by
NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Mesa County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO, San Juan County, CO, San Miguel County, CO, Grand County, UT, San Juan County, UT

The radar

The Grand Junction radar (KGJX), 54 km from the middle of the area, began a volume at 12:33 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.

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 27, 4:52 AM MST, 38 minutes earlier.

Area forecast discussion, Jan 27, 4:52 AM MST, 38 minutes before
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Hazardous weather outlook, Jan 26, 6:46 AM MST, 22 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
646 AM MST SAT JAN 26 2013

COZ001>014-017>023-UTZ022>025-027>029-271400-
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-
646 AM MST SAT JAN 26 2013

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

.DAY ONE...TODAY AND TONIGHT

A MOIST STORM SYSTEM WILL BRING A MIXTURE OF RAIN AND SNOW TODAY
AND TONIGHT. SNOW LEVELS WILL BE HIGH AND RANGE FROM 7000 FEET FAR
NORTHERN MOUNTAINS TO 9000 FEET OVER THE SAN JUAN MOUNTAINS. HEAVY
WET SNOW IS EXPECTED IN THE HIGH SAN JUAN MOUNTAINS.

IN ADDITION TO THE SNOW...VALLEY LOCATIONS WILL HAVE OCCASIONAL
FOG WITH VISIBILITIES OF LESS THAN 1 MILE AT TIMES. LOCAL FREEZING
RAIN OR DRIZZLE IS EXPECTED IN THE GRAND VALLEY THIS MORNING...BUT
TEMPERATURES WILL CLIMB ABOVE FREEZING TO END THE THREAT OF
FREEZING PRECIPITATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLDER WINTER STORM SYSTEM ARRIVES SUNDAY NIGHT AND WILL LAST
INTO TUESDAY. WIDESPREAD SNOW IS POSSIBLE WITH LOCALLY HEAVY
ACCUMULATIONS IN THE MOUNTAINS. THERE IS SOME UNCERTAINTY ON THE
EXACT SNOW AMOUNTS...BUT APPEARS THE HEAVIEST ACCUMULATIONS WILL
OCCUR ACROSS THE SAN JUAN MOUNTAINS.

COLDER TEMPERATURES WILL FOLLOW WITH OCCASIONAL WEATHER
DISTURBANCES BRINGING ADDITIONAL LIGHT SNOW ACROSS THE NORTH AND
CENTRAL AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE IN GRAND JUNCTION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 2:52 PM MSTWinter Weather AdvisoryGJTDolores, Eagle, Garfield, Mesa, Moffat, Montezuma and 4 more38 hr

Nearby

Winter Storm Warnings in Colorado, 2013Winter Storm Warnings in Utah, 2013Every winter storm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.