Agweek readers are a smart bunch, so maybe a lot of you have known for years about the Arctic Oscillation. But I confess that I hadn’t heard of it until this week, even though it can play a big role, both good and bad, in the region I’ve lived almost all my life.

I learned a little about the AO at the recent North Dakota Corn Growers Association’s Cornvention in Fargo, N.D., which I attended. The AO, it seems, has had a particularly big impact this winter on the region’s weather.

Read the story in the Feb. 27 issue of Agweek.