Subzero temperatures combined with winds to around 15 miles per hour to produce wind chill temperatures as low as 40 below zero during the evening of the 28th and the morning of the 29th.
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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 BIS wrote it up.
Subzero temperatures combined with winds to around 15 miles per hour to produce wind chill temperatures as low as 40 below zero during the evening of the 28th and the morning of the 29th.
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 Bismarck, ND wrote its last area forecast discussion before the first event at Dec 28, 5:20 PM CST, 4 hours 40 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
16 extreme cold/wind chill. Local standard time, as filed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
Wind chill temperatures as low as 40 below zero were observed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2013Every state in 2013This day in weather historyWarnings in North Dakota, December 2013
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: 484715, 484716, 484717, 484718, 484719, 484720, 484721, 484722, 484723, 484724, 484725, 484726, 484727, 484728, 484729, 484730.