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North Dakota tornado was the first at EF5 strength in a dozen years

A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5 with winds over 200 mph, the strongest classification of tornado and the first on American soil in 12 years, ...
KVUE

EF5 tornado that killed 3 in North Dakota was the nation's first in 12 years

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph (322 kph), the strongest classification of tornado and the first ...
Yahoo

The Joplin Tornado: What Our Meteorologists Remember Most 15 Years Later

Add Yahoo as a preferred source to see more of our stories on Google. Friday is the 15-year anniversary of the Joplin tornado, which tore a six-mile-long and up to a mile-wide path of devastation ...
DatacenterDynamics

A perfect storm: data centers and tornadoes

EF5 storms have the ability to devastate cities, levelling houses and other structures. The costliest tornado in US history, which hit the city of Joplin, Missouri, in May 2011, destroyed about a ...