The twister, which took the lives of three people on the night of June 20, was first thought only to be an EF-3 after an ...

It was the strongest classification of tornado and the first confirmed on American soil in a dozen years, meteorologists said ...

A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 classification after new research. Here's what went into the new research that led to ...

Meteorologists said this week that a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, ...