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

A series of outbreaks in March, April and May have produced hundreds of tornadoes, with five of them rating as violent EF4s.

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

Join Meteorologist Casey Dorn as he explains how the Enhanced Fujita (EF) Scale helps assess tornado intensity based on ...

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 has finished its survey of the deadly tornado that ripped through southeastern Kentucky last ...

A National Weather Service official said it was the deadliest tornado to ever come through the Jackson office's warning area.

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 confirmed that an EF-1 tornado struck Baltimore and Dundalk this weekend, leaving behind a trail ...

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