A slow moving Pacific storm and associated cold front moved through northwest Colorado and produced heavy snowfall in the mountains.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GJT wrote it up.
A slow moving Pacific storm and associated cold front moved through northwest Colorado and produced heavy snowfall in the mountains.
The local office's own words before the first event, 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 the first event at Apr 19, 4:32 PM MST, 4 hours 28 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service GRAND JUNCTION CO 508 AM MDT Wed Apr 19 2017 COZ001>014-017>023-UTZ022>025-027>029-201200- 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- 508 AM MDT Wed Apr 19 2017 This hazardous weather outlook is for eastern Utah and western Colorado. .DAY ONE...Today and Tonight A cold front will continue to move through the area this morning bringing isolated showers to much of the region and some gusty winds. Most rainfall will be over by noon though some lingering showers, including snow, will continue for the Flat Tops and northern mountains where a few inches of snow may fall. After noon, clouds will start to lift for much of the area. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Another cold front will move through Thursday bringing gusty winds, storms, and rain to areas north of the San Juans. Critical fire weather conditions are possible on Thursday so a fire weather watch remains in effect for a few Colorado fire zones. Once the front moves through, high pressure builds in and persists into the weekend bringing nice weather. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
Snowfall amounts of 5 to 10 inches were measured across the area with locally up to 13 inches at the Rabbit Ears Pass SNOTEL site.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2017Every state in 2017This day in weather historyWarnings in Colorado, April 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 691242.