What are katabatic winds?

Katabatic winds are like when cold air from up high slides down a mountain really fast, making a strong wind at the bottom.

Imagine you're on a hill and it's super chilly up there, maybe your grandma’s house is way up the mountain, and it’s freezing in her kitchen. She opens the window, and all that cold air starts to rush down the hill toward you, like a slide with wind. That’s what katabatic winds feel like at the bottom of the mountain, a big push of cold air coming your way.

When it's really cold on top of a mountain or in a valley, the air becomes denser and heavier. It wants to move down to where it's warmer, just like how you might slide down a hill when you're playing at the park!

Sometimes these winds can be so strong that they feel like a cold breeze that’s almost pushing you back as you walk outside.

In Antarctica, katabatic winds are super famous. The cold air from the high ice plateaus slides down toward the coast, and it can be super strong, making it hard to move or even stand still! It's like being pushed by a giant snowball that’s also freezing.