EarthProfessor

The "Professor" represents our team of researchers and writers. Both adults and kids have tons of questions about our planet. Our job is to answer them!

How does hail form in a cloud?

Initially, hail starts as water droplets that come from cumulonimbus clouds. The droplets are subjected to freezing temperatures as they rise, thus becoming super cooled. The storm’s high updraft speed blows the forming hailstones higher up the cloud. This begs the question “How do hailstones form in clouds?” Cumulonimbus clouds obtain their impressive energy from …

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