Lee Foster, the sheriff in Newberry County, South Carolina, is defending his decision to activate Tornado Warning Sirens on ...

The University of Alabama apologized for incorrectly informing students that they were besieged by a triple threat of ...

A powerful tornado in Brazil's southern state of Parana has killed six people and injured hundreds of others. State officials ...

Gustnadoes can look similar to tornadoes, but they are not the same. AccuWeather's Geoff Cornish explains the differences.