Tornadoes: Mechanism and Control

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Science  22 Sep 1967:
Vol. 157, Issue 3795, pp. 1431-1434
DOI: 10.1126/science.157.3795.1431


If electrical energy is invoked to account for the high velocity of tornadoes, hydrodynamics restricts the possible mechanisms of energy exchange. In particular, the vortex is driven by a line sink of electrically heated air that must extend at least 5 kilometers high. In those rare cases where heroic measures may be justified to protect a city in the path of a major tornado, some possible control measures are discussed in terms of the electrical heating mechanism.