THE MOVEMENT OF AIR

• Air moves because of density differences from uneven heat
• Sun warms the earth causing air circulation
• Rising and sinking air forms convection cells
• Convection cells create high and low pressure belts
• Coriolis Effect: is the curving of a moving object as result of Earth's rotation

GLOBAL WINDS

• Pressure belts and Coriolis effect produce global winds
• 3 major winds systems: easterlies, westerlies, and trade winds
• Jet Stream - bands of high speed winds in the upper troposphere

LOCAL WINDS

• Land and water absorb and release energy differently
• Resulting in local air pressure differences
• Which cause sea, land, mountain and valley breezes

THE END