CNN

Here’s how we find out how strong tornadoes were

Around 1,200 tornadoes occur on average in the United States each year and every one of them gets its own rating on the Enhanced Fujita Scale. More commonly known as the EF Scale, it organizes ...

"Extremely rare" tornado reported near Salt Lake City

The tornado was strong enough to loft debris 4,000 feet into the air.
inforum

How the 2025 Enderlin tornado became an EF-5

ENDERLIN — The strongest tornadoes in North Dakota’s recorded history both touched down on June 20, 2025. And if it wasn’t for the F-5 Fargo tornado in 1957, the Fujita scale that classifies tornadoes ...
KSL

Damaging tornado in southeast Utah produced EF-2 strength winds, report finds

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