I have been traveling in North Dakota a recently and had the good fortune to run across one of my favorite weather phenomena — hoarfrost. Hoarfrost is a heavy coating of ice that is typically deposited on vegetation leading to a winter wonderland appearance.  As the temperature of moist air drops its ability to hold moisture is reduced. When the air temperature is above freezing, dew forms. At temperatures fall below freezing the moisture in saturated air may condense directly to ice (hoarfrost).  Here are some photos of hoarfrost in North Dakota.

Hoarfrost1

Hoafrost2

Trip to 4Bears - December 04, 2014 - 0023-Edit

Trip to 4Bears - December 04, 2014 - 0013-Edit

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