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'''Hail''' is [[precipitation]] composed of balls or irregular lumps of [[ice]]. Hail is produced when large frozen [[rain]]drops, or almost any particles, in cumulonimbus [[cloud]]s act as embryos that grow by accumulating supercooled liquid droplets. Violent [[updraft]]s in the cloud carry the particles in freezing air, allowing the frozen core to accumulate more ice. When the piece of hail becomes too heavy to be carried by upsurging [[air current]]s it falls to the ground. <ref> [http://earthobservatory.nasa.gov/Library/glossary.php3?mode=all NASA Earth Observatory glossary] </ref>

'''Hail''' is [[precipitation]] composed of balls or irregular lumps of [[ice]]. Hail is produced when large frozen [[rain]]drops, or almost any particles, in cumulonimbus [[cloud]]s act as embryos that grow by accumulating supercooled liquid droplets. Violent [[updraft]]s in the cloud carry the particles in freezing air, allowing the frozen core to accumulate more ice. When the piece of hail becomes too heavy to be carried by upsurging [[air current]]s it falls to the ground. <ref> [http://earthobservatory.nasa.gov/Library/glossary.php3?mode=all NASA Earth Observatory glossary] </ref>

Hail is formed through a sort of [[roller coaster]] ride through intense [[thunderstorm]]s. Strong convection currents lift small [[ice]] pellets high into the middle and upper portions of a cumulonimbus [[cloud]]. This is where super-cooled [[water]] droplets collide and the ice pellet grows through a process called accretion. Once the pellet is too heavy for the updrafts to keep it within the cumulonimbus, it begins to fall, and if it does not melt completely before reaching ground level, it comes out as hail.  Hail can be classified into three stages of development, grauple, small hail, and hail stones.{{fact}}

Hail is formed through a sort of [[roller coaster]] ride through intense [[thunderstorm]]s. Strong convection currents lift small [[ice]] pellets high into the middle and upper portions of a cumulonimbus [[cloud]]. This is where super-cooled [[water]] droplets collide and the ice pellet grows through a process called accretion. Once the pellet is too heavy for the updrafts to keep it within the cumulonimbus, it begins to fall, and if it does not melt completely before reaching ground level, it comes out as hail.  In a supercell, this process can result in hailstones the size of a softball.<ref>http://library.thinkquest.org/C001472/neen/tornadoes/development.hailstones.html</ref>

 

Hail can be classified into three stages of development, grauple, small hail, and hail stones.<ref>http://www.weather.com/glossary/g.html</ref>

==Notes==

==Notes==