atmosphere

• atmosphere - blanket of gases
• three major gases: Oxygen, Nitrogen, Chemicals
• Wind : Horizontal Movement, Atmospheric Pressure : Vertical Movement
• As the altitude increases, atmospheric pressure decreases
• low atmospheric pressure means low oxygen level
• equatorial : hot, Polar : cold
• trade winds - warm air from the equator rises and moves towards the poles. inspired in trade routes
• westerlies - prevailing winds from the west, blowing from the west to east
• polar front, horse latitude, intertropical convergence zone
• intertropical convergence zone - trade winds meet, at the center
• climate : stable, Weather : changing
• cyclone : lows, Anti-cyclone : highs
• effects of tropical cyclone; tornadoes, heavy rains, strong winds, storm surge