Alert archive / Colorado / Winter Storm Warnings in 2011
Winter Storm Warning 7, NWS Grand Junction, CO
NWS Grand Junction, CO issued this winter storm warning at Feb 18, 2011, 1:04 PM MST for 18 counties in Colorado; 4 counties in Utah. It took effect at Feb 19, 2011, 12:00 AM MST. It was in force for 48 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
- Feb 18, 2011, 1:04 PM MST (20:04 UTC)
- In effect from
- Feb 19, 2011, 12:00 AM MST
- Expired
- Feb 20, 2011, 11:55 PM MST
- In force
- 48 hr
- Issued by
- NWS Grand Junction, CO
All 22 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, Daggett County, UT, Grand County, UT, San Juan County, UT, Uintah County, UT
The radar
The Grand Junction radar (KGJX), 32 km from the middle of the area, began a volume at 20:09 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 Feb 18, 4:00 AM MST, 9 hours 4 minutes earlier.
Area forecast discussion, Feb 18, 4:00 AM MST, 9 hours 4 minutes before
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</html>Hazardous weather outlook, Feb 18, 6:00 AM MST, 7 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 600 AM MST FRI FEB 18 2011 COZ001>014-017>023-UTZ022>025-027>029-191300- 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 FRI FEB 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT HAZARDOUS WEATHER IS NOT EXPECTED TODAY. THE CHANCE OF SNOW BEGINS TO INCREASE OVER THE SOUTHERN MOUNTAINS TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER STORM WILL BRING SNOW AND WIND TO THE MOUNTAINS SATURDAY INTO SUNDAY AND CREATE HAZARDOUS DRIVING CONDITIONS IN THE HIGH COUNTRY. RAIN AND SNOW IS EXPECTED IN THE VALLEYS. ISOLATED THUNDERSTORMS ARE POSSIBLE IN SOUTHEAST UTAH AND SOUTHWEST COLORADO SATURDAY AFTERNOON. THE REGION WILL BE IN BETWEEN WEATHER SYSTEMS MONDAY AND TUESDAY... BUT ANOTHER WINTER STORM WILL BE ARRIVING ON WEDNESDAY AND CONTINUING INTO THURSDAY. SIGNIFICANT SNOW ACCUMULATIONS IN THE MOUNTAINS WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. HOWEVER... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS OR SIGNIFICANT WIND GUSTS. TGJT
In the hours before
Local storm report, Feb 18, 7:36 AM MST, 5 hours 28 minutes before
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</html>Local storm report, Feb 18, 8:26 AM MST, 4 hours 38 minutes before
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</html>Nearby
Winter Storm Warnings in Colorado, 2011Winter Storm Warnings in Utah, 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.