A violent thunderstorm that developed over northwestern Wyoming on the afternoon of July 21, 1987, produced a tornado high in ...

Despite the destruction and death toll, this ended up being one of the most historically significant tornadoes for the ...

Sixty-eight years ago, on this date in 1957, North Dakota’s most famous and deadliest tornado tore through the state’s most ...

Seventy years before the first public tornado warning and over a century prior to a nationwide Doppler radar network, the ...

While North Dakota sees an average of about 23 tornadoes a year, fatalities are rare, National Weather Service data indicates ...

The deadliest tornado recorded since 1900 was this 1/3-mile wide F5 tornado, which crossed Waco killing 114 people and injuring 597. Texas tornadoes kill. Here are 10 of the worst in history ...

The tornado outbreak of April 2-3, 1956 produced four notable tornadoes in Michigan. It has two milestones with the last F5 tornado to occur in Michigan and the strongest tornado on record in ...

The National Weather Service's tornado records only date back to 1950. ... An F5 tornado in Floyd County killed 13 people in 1968, injuring 450 and causing around $25 million in property damage.

In 1999, a Doppler On Wheels estimated 321 mph winds in the Bridge Creek-Moore, Oklahoma, F5 tornado. In 2013, another radar truck calculated 313 mph winds near the El Reno, Oklahoma, EF3.

Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. ... Wind speeds: Wind speeds were estimated at 261-318 mph for an F5 tornado.

But it also ranked as one of the ‘smallest’ F5s on record. Out of the 22 F5 or EF-5 tornadoes recorded since 1980, the average size of these devastating storms came out to around 1,100 metres ...