The formation of ice on such a large scale annually, is vital for the regulation of the temperatures of the world's oceans, as well as helping to control the climate on a global scale. Graupel: As previously mentioned, graupel is formed when snow falls through an area of supercooled water. 4.

It may resemble hail, but is nothing more than ice covered balls of snow which can be easily deformed and crushed. When the moisture in the atmosphere These clouds will be full of water and if it is cold, instead of water, snow will fall from these clouds. Hailstorms last for only about 5 to 10 minutes but can damage cars, crops, and even buildings. These protrusions help the snow to get more space for itself and when it melts, the points disappear.