BUFFALO, N.Y. (WIVB) — When a tornado tears through an area, the main question after the fact is, “How strong was it?” That’s where the Enhanced Fujita Scale, more commonly known as the EF scale, ...

ROCHESTER, N.Y. – A recent reanalysis shows a powerful tornado, which struck in June near Enderlin, North Dakota, has officially been upgraded to an EF-5 on the Enhanced Fujita Scale. This is the ...

Add Yahoo as a preferred source to see more of our stories on Google. North Dakota Gov. Kelly Armstrong walks by silos damaged by an EF5 tornado in Enderlin, N.D., on June 25. New York has seen its ...

On the morning of May 11, 1970, skies darkened over Lubbock and winds began to rise, setting the stage for the kind of storm many in Tornado Alley pray never comes their way. By late that Monday ...

SO TRUE. PREPARATION IS KEY TO SAFETY. WE HEAR ABOUT TORNADOES RATED ON A SCALE EF ZERO TO EF FIVE, BUT WHAT DOES THAT MEAN AND HOW IS THAT DETERMINED? METEOROLOGIST CAITLIN HARVEY EXPLAINS. WITH ...

At least 11 small-scale tornadoes were recorded in central Illinois on Wednesday during the widespread thunderstorms, according to the National Weather Service. Here's what we know. The NWS published ...

It's tornado season in Colorado. After a tornado has touched down and caused damage, it's up to the National Weather Service to determine its intensity. Meteorologists do this using a scale called the ...

Year after year, Texas is a hotbed for tornadoes. The state’s geography allows warm, moist air from the Gulf of Mexico to collide with the cooler, drier air from the west to create the perfect ...

A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through part of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The severe weather season is beginning. In ...