Alert archive / Colorado / Winter Storm Warnings in 2011

Winter Storm Warning 25, NWS Grand Junction, CO

November 11, 20119 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Nov 11, 2011, 3:39 AM MST for 9 counties in Colorado. It took effect at Nov 12, 2011, 6:00 AM MST. It was in force for 40 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: Nov 11, 2011, 3:39 AM MST (10:39 UTC)
In effect from: Nov 12, 2011, 6:00 AM MST
Expired: Nov 13, 2011, 9:32 PM MST
In force: 40 hr
Issued by: NWS Grand Junction, CO

Counties Delta County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Moffat County, CO, Montrose County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO

The radar

The Grand Junction radar (KGJX), 74 km from the middle of the area, began a volume at 10:43 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 Nov 10, 9:15 PM MST, 6 hours 24 minutes earlier.

Area forecast discussion, Nov 10, 9:15 PM MST, 6 hours 24 minutes before

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Hazardous weather outlook, Nov 10, 5:45 AM MST, 21 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
545 AM MST THU NOV 10 2011

COZ001>014-017>023-UTZ022>025-027>029-111245-
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-
545 AM MST THU NOV 10 2011

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE NEXT CHANCE FOR PRECIPITATION WILL BE SATURDAY WHEN TWO SYSTEMS
CONVERGE ON UTAH AND COLORADO.  MOUNTAIN SNOW IS LIKELY INTO MONDAY
MORNING...WITH LOCALLY HEAVY SNOWFALL POSSIBLE.

FOR THE REMAINDER OF THE NEW WEEK...LIGHT SNOW SHOWERS ARE POSSIBLE
OVER THE MOUNTAINS OF NORTHWEST COLORADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. SPOTTERS ARE
ENCOURAGED TO REPORT ANY MEASURABLE SNOW ACCUMULATION.

JOE/JDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 11, 3:39 AM MST	Blizzard Warning	GJT	Eagle, Garfield, Moffat, Rio Blanco, Routt	66 hr
Nov 11, 3:00 PM MST	Winter Weather Advisory	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	51 hr

Nearby

Winter Storm Warnings in Colorado, 2011 Every 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.