Why can’t rain, or snow, fall in large units? It’s always small, single drops or flakes, and never one huge drop or snowball. The largest precipitation we see is normally hail, which can fall in single units the size of softballs or larger. Why can’t the other types fall in units that large?
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All precipitation starts in the clouds which are technically just giant piles of fog. It’s the only way water can stay up high because liquid water is too heavy and will fall immediately. If, for one reason or another, that fog starts to condense into drops, these drops just fall as soon as they become heavy enough, hail requires very specific conditions to become bigger. So, these units just can’t manage to grow big enough.
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