What is a bow echo? | NBC Chicago?

A bow echo is when thunderstorms line up in a special shape that looks like a bow, and it can cause strong winds, just like a wave in the ocean.

Imagine you're at the beach, and a big wave rolls toward you. It starts as a normal wave, but then it gets bigger and faster, hitting everything in its path. That’s kind of what happens with a bow echo, but instead of water, it's thunderstorms moving across the sky like a line.

Normally, thunderstorms are scattered all over the sky. But sometimes, they get organized into a long line that looks like an arrowhead or a bow. This line is called a bow echo because it curves outward like the string of a bow. When this happens, the wind gets stronger and can hit places with sudden gusts, like when you're playing outside and the wind suddenly blows your hair backward.

A bow echo isn’t just pretty to look at, it’s powerful! It can bring strong winds that knock over trees or make it hard for planes to land. So even though it looks like a simple line in the sky, a bow echo is like a team of thunderstorms working together, and they're not holding back!