A powerful tornado touched down in northeastern Arkansas on Wednesday, prompting the issuance of an urgent Tornado Emergency.

A large supercell tornado was spotted west of Memphis, Tennessee on Wednesday. Sirens went off in the city, warning residents ...

A supercell tornado is produced from a supercell thunderstorm. These types of tornadoes are the most common and usually the most dangerous, according to the National Oceanic and Atmospheric ...

After a day full of severe weather and heavy rainfall, we're continuing to watch for the threat for severe storms and flash ...

A supercell, according to the National Weather Service, is the least common type of thunderstorm. The National Weather Service said a supercell has a "high propensity to produce severe weather ...