Encyclopedia
Snow
Snow: Solid atmospheric precipitations consisting of ice crystals or snowflakes of various shapes, falling from clouds at air temperatures below 0 °C
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 Russian Gosstandart dated May 25, 1995 No. 267)