Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading ...

May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...

A tornado hit central Florida on Monday, destroying two homes, uprooting trees and disrupting a FOX TV show as it was ...

With 85 mph winds, the Oxnard tornado knocked down trees and damaged homes and cars in Pico Rivera at around 3:15 a.m. There were no casualties and the EF0 tornado lasted only about two minutes, ...

A quirky aspect of the way we measure twisters helps explain why there hasn't been a top-tier-rated tornado in 12 years.