The National Weather Service has rated the tornado that passed through Grinnell on Sunday an EF-3 with an estimated peak wind ...

Following tornadic storms Sunday in Denver, the National Weather Service will conduct storm surveys to determine their ...

An EF-2 tornado with winds over 115 miles per hour hit Locust Grove on Thursday, critically injuring 18-year-old son of 'The ...

The National Weather Service has finished its survey of the deadly tornado that ripped through southeastern Kentucky last week.

The severity of the damage in the county depends on the specific location, but preliminary assessments show that some areas ...

The tornado that struck in Pulaski County Friday night — and into the early morning hours continuing through neighboring Laurel County — has been officially determined to have been an EF-4. The rating ...

"Weak links in a structural system or a slow-moving storm sometimes lead to an over rating of a tornado event." Tornadoes are measured on the EF Scale, which replaced the Fujita Scale in 2007.

When a tornado strikes, a team from the National Weather Service (NWS) is sent out to assess the storm’s wind speeds and ...

With a max wind speed of 170 mph, it is being categorized as violent EF-4, the second highest rating of the Enhanced Fujita Scale. That tornado alone led to the deaths of at least 19 Kentuckians ...