ELI5: Explain Like I'm 5

Hadley cell

Okay kiddo, let me explain to you what a Hadley Cell is in a way that's easy for you to understand.

The Earth's atmosphere is like a big blanket wrapped around the planet, and it's made up of different layers. There is air in the atmosphere that moves around, and this movement of air creates weather patterns like wind, rain, and storms.

One of the most important things that happen in the atmosphere is the movement of warm air and cold air. Warm air rises up, and cold air sinks down. This movement is called "convection."

Now, the Hadley Cell is a big convection cell that occurs near the equator. It's named after a British scientist called George Hadley who discovered it hundreds of years ago.

Here's how it works: at the equator, the sun shines directly down, making it really hot. This heats up the air, and it rises up. As it rises, it cools down and starts to move towards the poles. This causes winds near the surface of the Earth to blow from east to west, which we call the Trade Winds.

As this warm, tropical air moves towards the poles, it cools off and begins to sink back down to the Earth's surface. This sinking air creates an area of high pressure, which causes dry weather. That's why places like the Sahara Desert in Africa and the Atacama Desert in South America are so dry!

So that's the Hadley Cell - it's a big cycle of air moving from the equator towards the poles, creating trade winds and helping to determine the climate in certain parts of the world. Now you know!