The horse latitudes
-High-pressure zones about 30 degrees north and 30 degrees south of the equator.
-warm air traveling away from the equator cools and sinks
-weather tends to be clear and dry
The doldrums
-Low-pressure near equator
-Air rises and spreads out toward the poles
-rising moist air produces clouds and heavy rain
The westerlies
-Blow from the west
-Move from the horse latitudes toward the poles.
-Bring storms across much of the United States
The Tradewinds
-Blow from the east
-move from the horse latitudes toward the equator
-Strong, steady winds