U.S. flag An official website of the United States government.

dot gov icon Official websites use .gov

A .gov website belongs to an official government organization in the United States.

https icon Secure websites use HTTPS

A small lock or https:// means you’ve safely connected to a .gov website. Share sensitive information only on official, secure websites.

<< Back

If the Earth did not rotate on its axis and remained stationary, the atmosphere would only circulate between the Earth's polar regions (areas of high pressure) and the equator (a low pressure area) in a simple back-and-forth pattern. Image B shows a "cutaway" view of this hypothetical circulation pattern.

atmospheric circulation sans Earth rotation