When snow falls from the sky, you don’t usually see individual ice crystals, but rather clumps of crystals stuck together.

A large wall cloud hovered over houses like a giant tsunami wave in Myanmar. Footage shows the cloud formation sweeping ...

When temperatures are well below freezing on the ground, the clouds are primarily made of water in the form of ice. Under 32 degrees Fahrenheit – that’s zero degrees Celsius – the frozen ...

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