As low level moisture advection in the region coupled with frontogenesis and strong jet flow aloft, snow bands formed across the region producing areas of heavy snow. The mountains of the Snowy Range and Sierra Madre Range measured over a foot of snow above 9000 feet with areas across Goshen and Niobrara Counties with over six inches.
Every event with a place to put it; 4 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.
As low level moisture advection in the region coupled with frontogenesis and strong jet flow aloft, snow bands formed across the region producing areas of heavy snow. The mountains of the Snowy Range and Sierra Madre Range measured over a foot of snow above 9000 feet with areas across Goshen and Niobrara Counties with over six inches.
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 Cheyenne, WY wrote its last area forecast discussion before the first event at Mar 5, 9:59 PM MST, 2 hours 1 minute earlier.
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</html>The national radar mosaic for the moment the first event began.
4 heavy snow. Local standard time, as filed.
Medicine Bow sensor at elevation of 10,500 feet measured 1.90 inches of snow-water equivalent. Using a snow-to-liquid ratio of ten to one, estimated snowfall calculated to be 19.0 inches.
Old Battle sensor at elevation of 10,000 feet measured a snow water equivalent of 1.60 inches. Using a snow to liquid ratio of ten to one, calculated estimated snowfall of 16.0 inches reported.
Observer DDEW4 located ten miles east of Jay Em measured 7.4 inches of snowfall.
Observer located one mile south-southeast of Lusk measured 6.5 inches of snow.
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, March 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: 808742, 808743, 808744, 808745.