Wind chills fell into the 40s below zero on the 11th and 12th of December in response to a strong Arctic high settling in over the region.
Every event with a place to put it; 3 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 FGF wrote it up.
Wind chills fell into the 40s below zero on the 11th and 12th of December in response to a strong Arctic high settling in over the region.
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 Grand Forks, ND wrote its last area forecast discussion before the first event at Dec 11, 2:30 PM CST, 3 hours 30 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 extreme cold/wind chill. Local standard time, as filed.
Gatzke MN DOT sensor measured wind chill of -43F.
Multiple AWOS and MN DOT sensors measured wind chills between -40F and -46F across Roseau Co the lowest of which was the MN DOT sensor near Badger at -46F.
Wind chills measured at -42F and -43F in Williams and Roosevelt at MN DOT sensor.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2024Every state in 2024This day in weather historyWarnings in Minnesota, 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: 1229847, 1229848, 1229849.