The thunderstorms on July 28 produced two damage-causing tornadoes in South Dakota, and a third in Iowa, according to the National Weather Service.

An EF-0 twister reportedly moved along Fox Lake Road in between Canaan Center Road and Route 3 for two minutes around 7 p.m.

Most tornadoes in the United Kingdom are relatively weak, but a strong one 20 years ago ripped through a densely-populated area and caused tens of millions of dollars in damage.

Last weekend's tornado near Gilbert has been rated an EF-U by the National Weather Service. The tornado, which prompted an ...

The National Weather Service confirmed on Monday that a tornado touched down in Clark County, Ohio during Saturday ...

The United States officially won't be involved in an enhanced pandemic global response enacted by the World Health Organization, the Trump administration said.

The Enhanced Fujita Scale, which came into use on Feb. 1, 2007, assigns tornadoes a rating based on wind speeds estimated off of damage.

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The National Weather Service estimated that wind speeds inside the twister reached 122 mph – strong enough to rate an EF-2 on the Enhanced Fujita scale.