through out all the information on hail I have read, it comes to my idea that the size does not change once the hail has been formed. in the related links box below, I posted the wikipeida hail article.
the biggest hail recorded in history was a 7 pounder. there is a picture of it in the article.
Typically hail and sleet. NOT RAIN.
It falls as precipitation, such as rain, or hail.
Rain, snow, or hail.
It starts life when water vapour in a cloud condenses onto a nucleating particle which may be a bit of dust. The droplet falls through the cloud. However, it is caught by an updraft which takes it up into higher and much colder regions of the cloud where it freezes. At the same time more vapour condenses on it and so it becomes a bigger piece of hail. It falls, due to gravity, only to be caught in another updraft. After several journeys up and down the cloud, the hail is too heavy for an updraft to raise it and so it falls to earth.
Hail is frozen balls of ice that form when a drop of water falls from a cloud. It then freezes if the temperature is cold enough in the sky,then falls to the ground as a frozen lump. Hail has been known to be the size of a golf ball!!
Hail falls in relatively isolated regions under, yes, a cumulonimbus cloud. It can blow around somewhat so it is not always directly under it.
Depending on the temperature and other conditions, it could be rain, snow or hail. But if the question is about what falls from cumulonimbus that most likely wouldn't fall from other cloud formations, then the answer would be hail. It's the vertical activity that gives the cumulonimbus cloud its distinctive shape, and it's the vertical activity that forms hail...especially large hail stones.
Cumulonimbus clouds.
Yes hail moves around within a cloud. As hail falls within a cloud it will gather moisture on its outside. The winds and updrafts within a storm cloud constantly swirl. As a piece of hail that has gotten wet swirls up higher in the cloud it refreezes with a new layer of ice and continues to do it and grow until it finally falls to earth. The longer it stays in the cloud and the more trips it makes, the larger it gets. If yoiu ever have large hail, collect a piece (after it stops hailing) and break it. You will see the different layers inside. It looks like a giant Jaw Breaker candy.
the hail is formed in a big puffy cloud named a cumulonimbus
Hail forms in storm clouds when supercooled water droplets freeze on contact with condensation nuclei, such as dust or dirt. The storm's updraft blows the hailstones to the upper part of the cloud. The updraft dissipates and the hailstones fall down, back into the updraft, and are lifted up again. The hailstone gains an ice layer and grows increasingly larger with each ascent. Once a hailstone becomes too heavy to be supported by the storm's updraft, it falls from the cloud. In large hailstones, latent heat released by further freezing may melt the outer shell of the hailstone. The hailstone then may undergo 'wet growth', where the liquid outer shell collects other smaller hailstones.
When hail falls, you need to find shelter as soon possible.