"It’s likely that several of these tornadoes would have been rated F5 using the legacy Fujita scale." Thus, the lack of EF5-rated tornadoes in the past decade is "less due to a weakening of ...

Tornadoes in the U.S. typically increase sharply in spring. Unfortunately, a few of those can be violent tornadoes, particularly in the South. On March 3, 1966, 59 years ago today, an F5 tornado ...

Perhaps the signature of the event was an F5 tornado that hit Hesston, Kansas, about 30 miles north-northwest of Wichita. This well documented, up to three-quarter mile wide tornado first touched ...

Tornado classifications have evolved since the original Fujita (F scale) was developed in 1971. Under the original F scale, an F5 rating was given as follows: “Whole frame houses tossed off ...

According to a NOAA database, 59 EF5/F5 tornadoes have occurred since 1950, but it has been nearly 12 years since the last event, when an EF5 devastated Moore, Oklahoma in 2013. Researchers from ...

Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with ...