Encyclopedia
Black ice
Black ice: A layer of dense ice formed on the earth's surface and objects by the freezing of supercooled rain or fog droplets
Source: "SAFETY IN EMERGENCY SITUATIONS. NATURAL EMERGENCY SITUATIONS. TERMS AND DEFINITIONS. GOST 22.0.03-97/GOST R 22.0.03-95"
(approved by the Decree of the State Standard of Russia dated 25.05.1995 No. 267)