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Finally, the visible funnel extends to the ground, and the tornado begins causing major damage. Tornadogenesis occurring in Falcon, Colorado. Note the faint dust swirl beneath the funnel cloud. A diagram showing the contributing weather systems to Tornado Alley in the United States, a loosely-defined area that is prone to tornadoes.
A multiple-vortex tornado is a type of tornado in which two or more columns of spinning air rotate about their own axes and at the same time revolve around a common center. A multi-vortex structure can occur in almost any circulation, but is very often observed in intense tornadoes.
Completed Tornado Diagram. Tornado diagrams, also called tornado plots, tornado charts or butterfly charts, are a special type of Bar chart, where the data categories are listed vertically instead of the standard horizontal presentation, and the categories are ordered so that the largest bar appears at the top of the chart, the second largest appears second from the top, and so on.
Tornadoes can occur anywhere in the U.S., according to the National Weather Service.Tornadoes are “most common in the central plains east of the Rocky Mountains and west of the Appalachians.”
For the untrained eye, damage consistent with an EF0 tornado can consist of broken tree branches, downed power lines and minor roof damage. An EF0 tornado has wind speeds ranging from 65 to 85 mph.
Some of the most notorious twisters in U.S. history were wedge tornadoes, including the EF5 that leveled Joplin, Missouri, on May 22, 2011, and the El Reno tornado, which was a jaw-dropping 2.6 ...
Tornado outbreak of June 2, 1998; Tornado outbreak of June 13, 1998; Corn Belt derecho; Hurricane Georges tornado outbreak; 1998 Oklahoma tornado outbreak; Tornadoes of 1999. Tornado outbreak of January 17–18, 1999; Tornado outbreak of January 21–23, 1999; Tornado outbreak of April 2–3, 1999; Tornado outbreak of April 8–9, 1999; 1999 ...
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