Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

A derecho wind storm can sometimes be more powerful than a tornado.
A derecho wind storm can sometimes be more powerful than a tornado.

    JUST WATCHED

    What is a derecho?

MUST WATCH

What is a derecho?

CNN's Jennifer Gray explains the power of a derecho wind storm and how it can sometimes cause more damage than a tornado.

What is a derecho?

CNN's Jennifer Gray explains the power of a derecho wind storm and how it can sometimes cause more damage than a tornado.