Alert archive / Colorado / Winter Storm Warnings in 2017

Winter Storm Warning 8, NWS Grand Junction, CO

February 26, 201711 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Feb 26, 2017, 3:26 PM MST for 11 counties in Colorado. It took effect at Feb 27, 2017, 6:00 AM MST. It was in force for 39 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 26, 2017, 3:26 PM MST (22:26 UTC)
In effect from: Feb 27, 2017, 6:00 AM MST
Expired: Feb 28, 2017, 8:39 PM MST
In force: 39 hr
Issued by: NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, San Juan County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 130 km from the middle of the area, began a volume at 22:24 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 26, 10:51 AM MST, 4 hours 35 minutes earlier.

Area forecast discussion, Feb 26, 10:51 AM MST, 4 hours 35 minutes before

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Hazardous weather outlook, Feb 26, 3:07 AM MST, 12 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Grand Junction CO
307 AM MST Sun Feb 26 2017

COZ001>014-017>023-UTZ022>025-027>029-271015-
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-Flat Tops-
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-
307 AM MST Sun Feb 26 2017

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

Isolated to Scattered snow showers will develop over the central
and southern mountains today and increase tonight. Expect light
snow accumulations and localized impacts on driving conditions
over the high mountains.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A period of moderate to heavy snow and strong winds will impact
the mountain areas Monday through Tuesday night. A winter storm
watch has been posted for the central and southern mountains of
eastern Utah and western Colorado. Adjacent valleys may receive
lighter snow accumulations. Drier conditions are expected from
Wednesday through Friday, with only isolated snow showers
affecting the northern Colorado mountains.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 25, 8:55 PM MST	Winter Storm Watch	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more	19 hr
Feb 26, 3:26 PM MST	Winter Storm Watch	GJT	Archuleta, La Plata	14 hr
Feb 26, 3:26 PM MST	Winter Weather Advisory	GJT	Delta, Dolores, Eagle, Garfield, Gunnison, Mesa and 8 more	53 hr

Nearby

Winter Storm Warnings in Colorado, 2017 Every winter storm warning in 2017

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.