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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Freezing Rain
Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process
in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because molecules are excited
by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water
droplets to contact snow crystals and freeze to their surface.
Sometimes known as soft hail or snow pellets,
graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.
Next Topic: Hail
