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From May 4–6, 2007, a major and damaging tornado outbreak significantly affected portions of the Central United States.The most destructive tornado in the outbreak occurred on the evening of May 4 in western Kansas, where about 95% of the city of Greensburg in Kiowa County was destroyed by an EF5 tornado, the first of the new Enhanced Fujita Scale and such intensity since the 1999 Bridge ...
This is usually the first visible stage of development of a tornado. The gallery below shows the three stages of development of a mesocyclone and a view of the storm relative motion on radar of a mesocyclone-producing tornado over Greensburg, Kansas on 4 May 2007. The storm was in the process of producing an EF5 tornado at the time of the image.
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin, an unofficial, high-end classification of tornado warning—sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ...
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A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover. Modern weather surveillance technology such as Doppler weather radar can detect rotation in a ...
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The weather service reported 83 tornado-related deaths last year. The most recent 10 year average is 47. The deadliest year for tornadoes since 1950 was 2011, when 553 people died.
Some examples of tornado couplets include the Tri-State Tornado, [6] multiple tornadoes during the 1999 Oklahoma tornado outbreak, [7] the 2007 Greensburg tornado, [8] and the 2013 El Reno tornado. [9]