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

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

The National Weather Service has rated two of the four tornadoes that hit Colorado on Sunday as EF2. Those tornadoes hit the ...

The National Weather Service in Milwaukee on Tuesday confirmed another tornado touched down in Dodge County on Thursday, May ...

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

As Kentucky braces for the possibility of more severe weather Tuesday night, the National Weather Service says the tornado that hit Pulaski and Laurel counties late Friday was an EF-4, with winds of ...

It's been 12 years since the historic, deadly Moore, Oklahoma, EF5 tornado. New research has given light as to why no U.S.

A wide swath of tree damage was reported in Gloucester and Atlantic counties last Friday, from New Jersey's longest tornado ...

The National Weather Service determined the tornadoes that touched down in Colorado on Sunday caused “considerable” damage. However, these were far from the most destructive tornadoes in ...

A seventh straight day of powerful thunderstorms and significant severe weather is ahead from the Midwest to Deep South.

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

MILWAUKEE - Tornadoes are categorized on what is called the Enhanced Fujita Scale or EF Scale. The Enhanced Fujita Scale ...