Major Wind Patterns

Global atmospheric circulation creates winds across the planet as air moves from high-pressure to low-pressure areas.

1. Trade Winds
   • Direction: From the northeast in the Northern Hemisphere and the southeast in the Southern Hemisphere.
   • Features: Steady winds that helped historical sailing ships on transoceanic journeys.
2. Westerlies
   • Direction: From the southwest in the Northern Hemisphere and the northwest in the Southern Hemisphere.
   • Features: Dominant wind pattern between 30° and 60° latitudes; responsible for many weather movements across the United States and Europe.
3. Polar Easterlies
   • Direction: From the east near both poles.
   • Features: Cold, dry winds that emanate from the high-pressure areas of the polar highs.