An intense squall line/derecho, moving into a region of remnant snow cover in SD, is intensifying ahead of a potent mid-level cyclone associated with a strong sting jet with >100 mph gusts kicking up a major dust storm and fires in CO/OK/KS.
— Tomer Burg (@burgwx) December 15, 2021
A satellite loop for the ages. pic.twitter.com/ezOYfRadhW