Precipitation is the fall of the condensed product to the ground. The freezing rain occurred because the air above the ground was above freezing.
Freezing rain is the form of precipitation that occurs when the rain droplets freeze upon contacting the ground surfaces. It is composed entirely of liquid water droplets.
Freezing rain occurred because there was not enough time for the water to freeze in a cloud, unlike the snow. Snow is another type of precipitation that forms when the temperature is low in the atmospheric surroundings.
Therefore, option C. the air above the ground surface was above freezing level explains the formation of freezing rain.
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