Unusual November tornadoes left a trail of destruction across 12 Midwest states on Sunday, killing at least six people.
The tornado outbreak was caused by a clash of cold, dry air from the north and warm, moist air from the Gulf of Mexico.
Tim Samaras, his son Paul Samaras and Carl Young were among nine people killed Friday during a tornado that tore through El Reno, Okla. Continue reading →
Local residents count the cost after a deadly tornado flattened huge areas of Oklahoma City's suburbs on May 20, 2013.
The Super Outbreak of tornadoes that struck the Southeast U.S. on April 27, 2011, set a new distance record for tornado debris, with the furthest items thrown flying to the right of the tornado track. ->
The number of reported tornadoes is going up. Is this the result of improvements in tornado-hunting methods, or is something changing in North America's climate?
Forecasting techniques are building toward the long-awaited goal of being able to predict tornadoes an hour before they form.
The "Superstorm" that brought tornadoes and damaging winds to the Midwest broke all the records for its intensity.
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