A winter storm brought high winds, areas of blowing snow and occasional blizzard conditions to parts of northeast Montana.
Every event with a place to put it; 6 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 GGW wrote it up.
A winter storm brought high winds, areas of blowing snow and occasional blizzard conditions to parts of northeast Montana.
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 Glasgow, MT wrote its last area forecast discussion before the first event at Dec 8, 2:34 PM MST, 1 hour 26 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
6 blizzard. Local standard time, as filed.
DES near Circle mentioned an extended period of near-blizzard with lowest visibilities between 1/4 and 1/2 mile from Sunday evening through early Monday morning.
Tribal DES mention 1/4 mile visibility Sunday night but mentioned no specific time frame. The ASOS reported 0.25 visibility at 755pm with drops to under 1.25 at times through 1115pm with frequent wind gusts near 50 mph.
A spotter in Richey reported several inches of snowfall Sunday evening into early Monday morning generating periods of whiteout conditions.
KPWD Plentywood ASOS, showed an extended period of 1/4 mile visibility Sunday evening with winds gusting to near 40 mph.
Visibility was a quarter mile or less for 4 hours with wind gusts frequently exceeding 35 mph. The peak wind gust was 62 mph.
DES manager in Poplar mentioned an extended period of 1/4 visibilities Sunday evening in town, which is in line with local ASOS showing visibilities around 1/4 mile Sunday evening.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2024Every state in 2024This day in weather historyWarnings in Montana, December 2024
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: 1227017, 1227018, 1227019, 1227020, 1227022, 1227023.