A shortwave trough and surface cold front moved across the region causing significant snowfall for many northern and central mountain areas of western Colorado. Upper level support mixed down to create gusty surface winds.
Every event with a place to put it; 5 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 shortwave trough and surface cold front moved across the region causing significant snowfall for many northern and central mountain areas of western Colorado. Upper level support mixed down to create gusty surface winds.
The national radar mosaic for the moment the first event began.
5 winter weather. Local standard time, as filed.
Snowfall amounts of 5 to 12 inches were measured across the zone. Wind gusts ranged from 20 to 35 mph and produced areas of blowing and drifting snow.
Snowfall amounts of 5 to 9 inches were measured across the zone. Wind gusts ranged from 25 to 40 mph and produced extensive blowing and drifting snow. Locally stronger winds included a gust to 51 mph at the Dead Horse RAWS site.
Snowfall amounts of 5 to 12 inches were measured across the zone. Wind gusts ranged from 20 to 35 mph and produced areas of blowing and drifting snow.
Snowfall amounts of 4 to 12 inches were measured across the zone. Wind gusts ranged from 20 to 30 mph and produced areas of lowing and drifting snow.
Snowfall amounts of 5 to 6 inches were measured above the 7000 foot level. Wind gusts ranged from 20 to 30 mph and produced areas of blowing and drifting snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2013Every state in 2013This day in weather historyWarnings in Colorado, April 2013
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 2026-10-01. Each event’s entry at NCEI: 507493, 507494, 507495, 507496, 507497.