The southern branch of a Pacific trough produced significant snowfall in the western San Juan Mountains of southwest Colorado.
Every event with a place to put it; 2 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.
The southern branch of a Pacific trough produced significant snowfall in the western San Juan Mountains of southwest Colorado.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
New snowfall accumulations of 4 to 9 inches blanketed the area above the 9000 foot level.
New snowfall accumulations of 4 to 8 inches blanketed the area above the 9000 foot level.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2011Every state in 2011This day in weather historyWarnings in Colorado, November 2011
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: 352807, 352806.