Environment Canada said it was a landspout tornado, which are usually weaker than supercell tornadoes and can be whipped up ...

Tornadoes are primarily produced in two different ways: From supercell thunderstorms and from non-supercell thunderstorms. A supercell tornado is produced from a supercell thunderstorm.

A large supercell tornado was spotted west of Memphis, Tennessee on Wednesday. Sirens went off in the city, warning residents of a twister hitting populated areas. The National Weather Service ...

Unlike the dozens of devastating supercell tornadoes that have struck the U.S. in recent weeks, Environment Canada said the tornado Lester saw was a landspout tornado — which is a much weaker ...

Multiple tornadoes were reported Thursday evening from two supercell thunderstorms that traveled from Nebraska into Iowa. At least six reports came from southwest Iowa, although the National ...

The Northern Tornadoes Project, which tracks and investigates the damage tornadoes cause across the ... Researchers are getting better at forecasting the more dangerous supercell tornadoes, Stills ...

Some severe weather outbreaks don't produce as many tornadoes, but one or more supercell thunderstorms spin up large, long-track deadly twisters that are notable even in tornado-prone states.

At least 300 National Weather Service employees are expected to take the latest federal buyout offer by a Thursday deadline, ...

But that image only captures one type of tornado — the kind born from a supercell thunderstorm. Tornadoes come in many forms, and each type presents unique challenges in terms of detection ...