GEOL 101 Lecture Notes - Lecture 4: Jet Stream, Santa Ana Winds, Westerlies
Document Summary
Atmospheric pressure: the force exerted by the weight of these gas molecules on a unit of area of earth"s surface or any other body. Value decreases with increasing altitude because the farther away you get from earth and its gravitational pull the fewer gas molecules are present in the atmosphere. C: global wind patterns, warm air rising, air subsides at 30 degrees at both north and south poles (equator, warm air, air subsides cool air at the poles. If wind streams converge the air must rise: air coming out of poles= westerly winds, intertropical convergence zone, generally low pressure= the doldrums . Polar front jet stream (cold polar air moves to the south. High pressure cells - monsoon- seasonal patterns of wind and rain. The land mass will be colder than the water. Match the zone with its characteristic weather and pressure.
