Air cools and sinks, creating a belt of high preasure and a cold, dry climate
At about 60 degrees north and south, cold polar air mixes with warmer air and rises, creating a belt of low preasure
Cool air sinks, creating a belt of high preasure. As the air sinks it becomes warmer and dryer
Warm air rises, creating a belt of low preasure. As theair rises, it cools. Clouds form and then releases precipitation. Above the air will eventually seperate and move to higher altitudes