Alert archive / Colorado / Winter Storm Warnings in 2008

Winter Storm Warning 13, NWS Grand Junction, CO

May 12, 200818 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at May 12, 2008, 2:37 PM MDT for 18 counties in Colorado. It took effect at May 12, 2008, 6:00 PM MDT. It was in force for 24 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
May 12, 2008, 2:37 PM MDT (20:37 UTC)
In effect from
May 12, 2008, 6:00 PM MDT
Expired
May 13, 2008, 6:00 PM MDT
In force
24 hr
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

The radar

The Grand Junction radar (KGJX), 60 km from the middle of the area, began a volume at 20:39 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 May 12, 2:36 PM MDT, 1 minute earlier.

Area forecast discussion, May 12, 2:36 PM MDT, 1 minute before
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Hazardous weather outlook, May 12, 6:10 AM MDT, 8 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
610 AM MDT MON MAY 12 2008

COZ001>014-017>023-UTZ022>025-027>029-131200-
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-
610 AM MDT MON MAY 12 2008

...SEE WEATHER.GOV/GJT FOR DETAILS ON THE RED FLAG WARNING AND
WINTER STORM WATCH OVER PARTS OF WESTERN COLORADO...

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

.DAY ONE...TODAY AND TONIGHT

LOW RELATIVE HUMIDITY AND GUSTY AFTERNOON WINDS TO 25 MPH WILL
PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE LOWER ELEVATIONS
OF SOUTHWEST COLORADO. SEE WEATHER.GOV/GJT FOR SPECIFIC DETAILS ON
THE RED FLAG WARNING.

ISOLATED THUNDERSTORMS WILL ALONG A COLD FRONT THAT SWEEPS ACROSS
EASTERN UTAH AND NORTHWEST COLORADO THIS AFTERNOON AND SOUTHWEST
COLORADO TONIGHT. SNOW WILL INCREASE IN THE MOUNTAINS WITH
SIGNIFICANT ACCUMULATIONS EXPECTED. MUCH OF THE HIGH MOUNTAINS ABOVE
9000 FEET WILL RECEIVE 4 TO 8 INCHES OVERNIGHT. SEE WEATHER.GOV/GJT
FOR SPECIFIC DETAILS ON THIS WINTER STORM SYSTEM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SNOW WILL CONTINUE IN THE HIGH MOUNTAINS OF WESTERN COLORADO THROUGH
TUESDAY.  TOTAL STORM ACCUMULATIONS ABOVE 9000 FEET WILL RANGE FROM
6 TO 12 INCHES.

THURSDAY...A CHANCE OF RAIN OR SNOW SHOWERS EXISTS OVER THE HIGH
COLORADO MOUNTAIN PASSES.

MANY SMALL CREEKS...STREAMS AND RIVERS WILL CONTINUE TO RUN HIGH
OVER THE NEXT SEVERAL WEEKS AS HIGH MOUNTAIN SNOWPACK MELTS. A FEW
OF THESE RIVERS WILL EXCEED BANKFULL.

CONTINUE TO MONITOR THE GRAND JUNCTION NATIONAL WEATHER SERVICE WEB
SITE AT: WEATHER.GOV/GJT FOR THE LATEST WEATHER INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

Nearby

Winter Storm Warnings in Colorado, 2008Every winter storm warning in 2008

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.