Subzero temperatures combined with winds up to 15 miles per hour produced wind chill temperatures as low as fifty below zero during the morning of the 19th.
Every event with a place to put it; 11 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 BIS wrote it up.
Subzero temperatures combined with winds up to 15 miles per hour produced wind chill temperatures as low as fifty below zero during the morning of the 19th.
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 Feb 19, 12:25 AM CST, 1 hour 35 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
12 extreme cold/wind chill. Local standard time, as filed.
Wind chill temperatures as low as 45 below zero were observed.
Wind chill temperatures as low as 50 below zero were observed.
Wind chill temperatures as low as 46 below zero were observed.
Wind chill temperatures as low as 45 below zero were observed.
Wind chill temperatures as low as 45 below zero were observed.
Wind chill temperatures as low as 45 below zero were observed.
Wind chill temperatures as low as 45 below zero were observed.
Wind chill temperatures as low as 45 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, February 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: 429824, 429825, 429826, 429827, 429828, 429829, 429830, 429831, 429832, 429833, 429834, 429836.