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Making snow: the science behind our guns

Published on February 24, 2026
Making snow: the science behind our guns

A snow gun does not make snow, it creates the conditions for water to freeze on the way down. The difference comes down to a few degrees and a humidity reading.

The window

Below -5 °C in dry air, one night is enough to cover a trail. At -2 °C in humid air, the same night gives almost nothing.

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