2/17/2023 0 Comments My surface 3 is frozen![]() ![]() Moisture that is lifted or otherwise forced to rise over a layer of sub-freezing air at the surface may be condensed into clouds and rain. Short, intense periods of rain in scattered locations are called showers. Precipitation forms as smaller droplets coalesce via collision with other rain drops or ice crystals within a cloud. Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air. Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates" or falls. The main forms of precipitation include drizzling, rain, sleet, snow, ice pellets, graupel and hail. ![]() In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. Countries by average annual precipitation ![]()
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