Heavy snowfall estimated total of eighteen inches were calculated across the Snowy Mountain Range starting late on the evening of the 7th and continuing through the morning of the 9th.
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 CYS wrote it up.
Heavy snowfall estimated total of eighteen inches were calculated across the Snowy Mountain Range starting late on the evening of the 7th and continuing through the morning of the 9th.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
Observation sensors at North French Creek and Medicine Bow Peak measured a snow water equivalent of 1.2 inches and application of 15 to 1 ratio calculated a snowfall total of 18 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2019Every state in 2019This day in weather historyWarnings in Wyoming, December 2019
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: 864370.