SIOUX FALLS, S.D. (AP) — Weather service confirms a 210 mph tornado in North Dakota was first with EF5 classification in a dozen years.

The devastating twister, which began shortly after 11 p.m. June 20, became the first EF-5 tornado – the most extreme category, with winds exceeding 200 mph – in the U.S. since May 20, 2013, when an EF ...