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Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. [1] [2] Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenced by nearby bodies of water, topography, and wind conditions.
With sufficient humidity in the cooler layer, fog is typically present below the inversion cap. An inversion is also produced whenever radiation from the surface of the earth exceeds the amount of radiation received from the sun, which commonly occurs at night, or during the winter when the sun is very low in the sky.
A Christmas card depicts the ideal of a white Christmas. A white Christmas in Trondheim. A white Christmas is a Christmas with the presence of snow, [1] either on Christmas Eve or on Christmas Day, depending on local tradition. The phenomenon is most common in the northern countries of the Northern Hemisphere.
Winter has been the fastest-warming season for most of the U.S. since 1970, increasing the likelihood of winter precipitation falling as rain rather than snow.
Americans are obsessed with a white Christmas and all the trimmings – snow, icicles, sleigh rides, frost on windowpanes, cuddling up by the fire, mittens, the North Pole. Christmas is a ...
Earth Day is on April 22 because of college schedules. The date for Earth Day was largely dictated by the schedules of the college students Hayes and Nelson were hoping to attract. April 22 fell ...
Tule fog is a radiation fog, which condenses when there is a high relative humidity (typically after a heavy rain), calm winds, and rapid cooling during the night. The nights are longer in the winter months, which allows an extended period of ground cooling, and thereby a pronounced temperature inversion at a low altitude.
The date was chosen to appeal to college students. In part, April 22 was chosen as the date for Earth Day because it fell squarely between spring break and final exams — an important distinction ...