Alert archive / Colorado / Winter Storm Warnings in 2011

Winter Storm Warning 1, NWS Grand Junction, CO

January 9, 20115 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Jan 9, 2011, 12:15 AM MST for 5 counties in Colorado. It was in force for 21 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, 2011, 12:15 AM MST (07:15 UTC)
Expired
Jan 9, 2011, 8:54 PM MST
In force
21 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 07:11 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 8, 9:51 PM MST, 2 hours 24 minutes earlier.

Area forecast discussion, Jan 8, 9:51 PM MST, 2 hours 24 minutes before
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Hazardous weather outlook, Jan 8, 6:00 AM MST, 18 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
600 AM MST SAT JAN 8 2011

COZ001>014-017>023-UTZ022>025-027>029-091300-
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-
600 AM MST SAT JAN 8 2011

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

.DAY ONE...TODAY AND TONIGHT

PATCHY MORNING FOG WILL LOWER VISIBILITIES FROM 1 TO 3 MILES
AT TIMES. MOST AREAS OF FOG WILL LIFT OR DISSIPATE BEFORE NOON.

LIGHT SNOW WILL DEVELOP ACROSS THE NORTH THIS EVENING AND BECOME
HEAVY AT TIMES AFTER MIDNIGHT AS A COLD FRONT DROPS INTO NORTHWEST
COLORADO. WINTER WEATHER ADVISORIES HAVE BEEN ISSUED FOR ALL OF
NORTHWEST COLORADO STARTING AT 6 PM THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL WORK THROUGH THE REGION ON SUNDAY. WINTER WEATHER
ADVISORIES FOR ALL OF NORTHWEST COLORADO AND THE MOUNTAINS ON WEST
CENTRAL COLORADO ARE EXPECTED TO REMAIN IN EFFECT UNTIL MONDAY
MORNING.

FRIGID TEMPERATURES WILL FOLLOW THE WINTER STORM ON MONDAY AND
TUESDAY WITH MONDAY NIGHT THE COLDEST NIGHT.  HIGH TEMPERATURES IN
THE VALLEYS WILL RANGE FROM THE UPPER SINGLE DIGITS TO LOWER 20S...
WITH SUB ZERO TEMPERATURES MONDAY NIGHT.  SOME OF THE COLDEST
HIGHER VALLEYS WILL HAVE LOWS AS COLD AS 25 BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

Nearby

Winter Storm Warnings in Colorado, 2011Every winter storm warning in 2011

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.