A moist and unstable northwest flow aloft brought significant snow accumulations to the Absaroka/Beartooth Mountains and foothills locations.
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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 BYZ wrote it up.
A moist and unstable northwest flow aloft brought significant snow accumulations to the Absaroka/Beartooth Mountains and foothills locations.
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 Billings, MT wrote its last area forecast discussion before the first event at Nov 14, 9:36 AM MST, 2 hours 24 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 winter storm. Local standard time, as filed.
Cole Creek Snotel received 12 of snow while Monument Peak received 11.
Areas just south of Red Lodge received 7-8 of snow.
The higher terrain of Southern Big Horn County received 12-14 of snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2010Every state in 2010This day in weather historyWarnings in Montana, November 2010
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: 266044, 266043, 266042.