Encyclopedia

Tornado


Tornado: A strong small-scale atmospheric vortex with a diameter up to 1000 m, in which air rotates at speeds up to 100 m/s, possessing significant destructive power

Source: "EMERGENCY SAFETY. NATURAL EMERGENCIES. TERMS AND DEFINITIONS. GOST 22.0.03-97/GOST R 22.0.03-95"

(approved by the Decree of the Russian State Standard dated 25.05.1995 No. 267)

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