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Solar heating of the atmosphere, differential heating of water and land masses, rotation of the Earth and the Coriolis effect it causes are the sources of global wind patterns.
1 1. Global and Local Winds. 2  2. Air Movementâ¢Wind is the movement of air caused by differences in air pressureâ¢The greater the difference, the faster the wind moves.3  3. Air Pressureâ¢Differences in air pressure are caused by the uneven heating of Earthâ¢Uneven heating produces pressure belts which occur every 30Â° latitude. Global Windsâ¢The combination of pressure belts and the Coriolis Effect cause global windsâ¢These are polar easterlies, westerlies, and trade winds. 2  7. 3  Polar Easterliesâ¢Wind belts that extend from the poles to 60Â° latitudeâ¢Formed from cold sinking air moving from the poles creating cold temperatures. 4  8.