Wacky Weather Wednesday

Welcome to wacky weather Wednesday! This is the weekly blog where we will take a look at strange and rare weather phenomena that can occur throughout the world. This week let’s start it off with Fallstreak Holes.

A fallstreak hole is a large circular or round gap that can appear in altocumulus or cirrocumulus clouds. They are also known as “hole punch clouds”.They form when high to mid-level clouds are often composed of tiny water droplets that are much colder than freezing, but have yet to freeze. These “supercooled” water droplets try to freeze, and all they need is a little push. Planes passing through the cloud layer can bring that little push. The water droplet quickly freezes, grows, and starts to fall. A hole is left behind, which will start to expand outward as neighboring droplets start to freeze. They usually are a pretty sight to see and are completely harmless. Enjoy your Wednesday!

Danny McNeal

Source: https://cloudappreciationsociety.org/fallstreak-holes-%E2%80%93-a-new-understanding/

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