By Samantha-Rae Tuthill, AccuWeather staff writer
Published Dec 28, 2012 1:49 PM EST | Updated Jan 10, 2013 2:23 PM EST
Frost forms when water vapor is frozen onto a surface. Moisture in the air comes into contact with a surface that is at or below freezing and the thin icy layer is formed. A light wind will help temperatures fall quickly and contribute to the formation of frost.
Frost can be dangerous to delicate plants but does not result in the same dangerous slickness that you get with ice or snow.
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