tornado: Media
meteorology
Videos
Tornadoes possess enormous destructive power.
Video: Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.com
Learn how tornadoes form, as explained by John P. Rafferty, earth and life sciences...
Video: Encyclopædia Britannica, Inc.
Protecting against natural disasters requires a multipronged approach.
Video: Encyclopædia Britannica, Inc.
Tornadoes are more than just a plot in Twister.
Video: Encyclopædia Britannica, Inc.
The destructive power of tornadoes is shown in a sequence of twisters moving across...
Video: Encyclopædia Britannica, Inc.
The vortex and the updraft move as a coupled system, drawing warm, unstable air from...
Video: Encyclopædia Britannica, Inc.
Learn how the Tri-State Tornado of 1925 made meteorologists use the word tornado...
Video: Encyclopædia Britannica, Inc.
Learn about why thunderstorms, tornadoes, hurricanes, and other weather phenomena...
Video: Encyclopædia Britannica, Inc.
Images
Map of the average annual frequency of tornadoes in the United States, showing the...
Encyclopædia Britannica, Inc.
Graph of the number and intensity of tornadoes...
Encyclopædia Britannica, Inc.
When the atmosphere becomes unstable enough to form large powerful updrafts and downdrafts...
Encyclopædia Britannica, Inc.
Hook echo of a tornado in Champaign, Ill., photographed on a radar scope on April...
Courtesy of the Illinois State Water Survey, Champaign, Illinois; photograph, Donald W. Staggs
Tornado-tracking activities under way with a field command vehicle from the National...
Mike Coniglio—National Severe Storms Laboratory/NOAA
Machine shed pushed from its foundation, the type of “moderate damage” associated...
T.T. Fujita, University of Chicago
Multiunit building with its roof and many walls destroyed, the type of “severe damage”...
T.T. Fujita, University of Chicago
Completely disintegrated residential subdivision, the type of “incredible damage”...
T.T. Fujita, University of Chicago
(Left) In a tornadic thunderstorm, the rotating updraft that produces the tornado...
Encyclopædia Britannica, Inc.
Tobacco warehouse damaged by a cyclone in Louisville, Ky., 1890.
Library of Congress, Washington, D.C.
Residents in Joplin, Missouri, surveying the destruction caused by a tornado, May...
Joe Raedle/Getty Images
False-colour image of Tuscaloosa, Ala., and surrounding area after a devastating...
Science @ NASA
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