A tornado family is a series of tornadoes spawned by the same supercell thunderstorm. These families form a line of successive or parallel tornado paths and can cover a short span or a vast distance. Tornado families are sometimes mistaken as a single continuous tornado, especially prior to the 1970s. Sometimes the tornado tracks can overlap and e...
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http://en.wikipedia.org/wiki/Tornado_family
(from the article `tornado`) ...storm from which tornadoes are spawned) that is stable and long-lived. The strength of the tornado cyclone usually pulsates, creating a sequence ... He introduced the concept of the tornado `family,` a sequence of tornadoes, each with a unique path, produced by a single thunderstorm over a few ....
Found on
http://www.britannica.com/eb/a-z/t/63
A series of tornadoes produced by a single supercell, resulting in damage path segments along the same general line.
Found on
http://www.encyclo.co.uk/local/22268
No exact match found.
