Add Yahoo as a preferred source to see more of our stories on Google. Severe thunderstorm and even tornado outbreaks can happen in December, even as most thoughts are about snow and cold. On Dec. 18, ...

For the first time in 12 years, the United States has recorded an EF5 tornado, the most powerful type of twister on the Enhanced Fujita wind and damage scale, the National Weather Service confirmed ...

For the first time in 12 years, the United States has recorded an EF5 tornado, the most powerful type of twister on the Enhanced Fujita wind and damage scale, the National Weather Service confirmed ...

MADISON, Wis. - The last EF-5 tornado that touched down in the United States hit Moore, Oklahoma, in May of 2013. However, meteorologists at the National Weather Service Grand Forks have determined, ...

In the immediate aftermath of a tornadic storm, the National Weather Service compiles damage reports from the public, emergency managers and first responders. If the damage reports correlate with ...

Severe thunderstorm and even tornado outbreaks can happen in December, even as most thoughts are about snow and cold. On Dec. 18, 1957, 68 years ago today, an outbreak of strong tornadoes tore through ...