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 ...

The first EF5 tornado was confirmed in North Dakota, here's a history and the last F5 tornadoes to hit Michigan.

The NWS confirmed the Enderlin tornado reached 210 mph, upgrading it to an EF-5 — the first since 2013’s Moore, OK storm.

While EF-5 tornadoes account for less than one-tenth of a percent of all tornadoes, the odds of seeing one in any given year are still about 40%.

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

Experts reassessed the damage from a tornado that left three people dead in June, and gave it the strongest possible rating on the tornado scale.

Meteorologist Kristen Currie goes in-depth on the new findings of the U.S.' latest EF-5 tornado and why rating tornado strength is so different than other weather phenomena.