Hailstones begin as small ice particles that grow primarily by accretion; to grow large, they require abundant water droplets.As the hailstone moves up and down through a storm, it collides with water droplets, growing larger with each collision.
Hail is formed by the layered freezing of water into ice in a strong thunderstorm. Hail is formed when clouds, specifically cumulonimbus clouds, have both high altitudes and powerful updrafts within the condensation layer of the cloud. As rain droplets form, they are frozen and then carried aloft again, where their temperature condenses additional water on the exterior, which then also freezes. When hail is formed, it is not instanteous nor fall immediately. Storms have a peculiarosity of up and down flowing winds. When a droplet of water in the clouds began to … fall, the very low temperatures present cause the droplet so form a skin of ice. Hail is precipitation in the form of large balls or lumps of ice. There was a storm that produced hail early last week. Hailstones begin as small ice particles that grow primarily by accretion; to grow large, they require abundant water droplets. As the hailstone moves up and down through a storm, it collides with water droplets, growing larger with each collision. Hailstones can be as large as oranges and grapefruits. Hail is a form of solid precipitation. It is distinct from sleet, though the two are often confused for one another. It consists of balls or irregular lumps of ice, each of which is called a hailstone. Sleet falls generally in cold weather while hail growth is greatly inhibited at cold temperatures. Hail is formed in huge cumulonimbus clouds, commonly known as thunderheads. When the ground is heated during the day by the sun, the air close to the ground is heated as well. Hot air, being less dense and therefore lighter than cold air, rises and cools. As it cools, its capacity for holding moisture decreases. These vertical winds can reach speeds over 176 kilometers (110 miles) per hour. Hail is formed in the storm cloud's main updraft, where most of the cloud is in the form of supercooled water. This is water that remains liquid although its temperature is at or below 0 degrees Celsius (32 degrees Fahrenheit). Confidence votes 34.1K. Hail is formed when clouds, specifically cumulonimbus clouds, have both high altitudes and powerful updrafts within the condensation layer of the cloud. As rain droplets form, they are frozen and then carried aloft again, where their temperature condenses additional water on the exterior, which then also freezes.  A large hailstone that fell in Harper, Kansas on May 14, 2004, from the National Weather Service – Wichita, Kansas. Hail is precipitation in the form of large balls or lumps of ice that grow in thunderstorms and other severe convective storms. Hailstones begin as small ice particles that grow primarily by accretion; to grow large, they require abundant water droplets. As the hailstone moves up and down through a storm, it collides with water droplets and grows steadily larger. When you cut a hailstone in half, you can see rings of ice. The formation of hail means there is usually a severe thunderstorm. A severe thunderstorm is the precursor of tornadoes and should be closely monitored. By Rachelle Oblack. Definition: Hail is a form of precipitation that falls from the sky as pellets of ice. The pellets can range in size from small pea-sized pellets, to hailstones as large as grapefruits. Hail is especially damaging to crops.  Hail is formed along paths scientists call hail swaths. These vary from a few square acres to large belts 16 kilometers (10 miles) wide and 160 kilometers (100 miles) long. Swaths can leave hail piled so deep it has to be removed with a snow plow. These vertical winds can reach speeds over 176 kilometers (110 miles) per hour. Hail is formed in the storm cloud's main updraft, where most of the cloud is in the form of supercooled water. This is water that remains liquid although its temperature is at or below 0 degrees Celsius (32 degrees Fahrenheit). Hail is possible within most thunderstorms as it is produced by cumulonimbi, and within 2 nautical miles (3.7 km) of the parent storm. Hail formation requires environments of strong, upward motion of air with the parent thunderstorm (similar to tornadoes) and lowered heights of the freezing level. It is distinct from sleet, though the two are often confused for one another. It consists of balls or irregular lumps of ice, each of which is called a hailstone. Sleet falls generally in cold weather while hail growth is greatly inhibited at cold temperatures.
http://www.answers.com/Q/How_is_hail_formed http://wxguys.ssec.wisc.edu/2011/04/10/how-does-hail-form/ https://en.wikipedia.org/wiki/Hail http://www.how-to-paintless-dent-repair.com/hail-is-formed.html http://www.answers.com/Q/How_are_hailstones_formed http://whyfiles.org/2010/how-does-hail-form-2/ http://weather.about.com/od/h/g/hail.htm http://www.how-to-paintless-dent-repair.com/hail-is-formed.html https://en.wikipedia.org/wiki/Hail
how is hailstone formed