Snow grains are a form ofprecipitation. Snow grains are characterized as very small (<1 mm), white, opaque grains of ice that are fairly flat or elongated. Unlikesnow pellets, snow grains do not bounce or break up on impact.^[1] Usually, very small amounts fall, mostly fromstratus clouds orfog, and never fall in the form of a shower.

TheMETAR code for snow grains isSG.

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