The scale uses damage as a proxy for tornado strength and ranks tornadoes from a 0 (weakest) to 5 (catastrophic). But because ...

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

The tornadoes that struck the Kansas towns of Plevna and Grinnell on Sunday were EF3s, the National Weather Service says. No ...

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

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

Thankfully, Tuesday was a day with zero injuries and fatalities from severe storms. Unfortunately, that hasn't been the case ...

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

CLEBURNE COUNTY, Ala. — The National Weather Service in Birmingham has confirmed that a tornado touched down in Cleburne County during May 21st storms. After surveying the damage, meteorologists ...

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

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