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The nation's longest "drought" between EF5 tornadoes has come to an end, scientists from the National Weather Service announced.

The National Weather Service on Monday released a new report confirming the first EF-5 tornado since May 2013. The tornado, initially rated an EF-3, hit near Enderlin, North Dakota on June 20, killing three people and derailing a train in the process.

In the immediate aftermath of a tornadic storm, the National Weather Service compiles damage reports from the public, emergency managers and first responders.

Meteorologists said this week that a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, and was the first on American soil in 12 years.