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Daily Postcard: Hoarfrost Forms On Rusty Fence Rail

on April 6, 2017 - 7:22am

Daily Postcard: Hoarfrost forms on a rusty fence rail in Los Alamos. According to weather.com, hoarfrost is a white coating of needle-like ice crystals that form on a surface by sublimation of atmospheric water vapor. Photo by Marc Bailey


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