Hail caused by very high from the earth. Wind swept the rain into the thunder cloud. In very cold weather, high rain hardens. It also has a bit more high snow, ice pellets into the island. After falling to the bottom of the cloud, which is a little over the top. Moisture into ice pellets encased Then the wind blew it back up ice pellets on top of the clouds again. The temperature around the ice pellets added another layer mask. Ice pellets are grown up a little more.