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Global Atmospheric Movement
Transcript of Global Atmospheric Movement
WILF: Notes in notebook. Global Movement of Air El Nino Jet Stream Coriolis Effect Global Winds The Global Winds are winds that
blow across the entire planet. Coriolis Effect is an inertial force
described by the 19th-century
French Engineer Mathematician
Gustave Gaspard Coriolis in 1835 El Nino is a warm ocean current that flows along the equator in central and eastern Pacific Ocean. Weakening of trade winds causes the movement of this body of water causing droughts, and floods. High and Low Pressure Areas A high-pressure area, high or anticyclone
is a region where the atmospheric pressure
at the surface of the planet is greater than
its surrounding environment!!! A low-pressure area, low or depression,
is a region where the atmospheric
pressure at sea level is lower than
that of surrounding locations. *Barometers *Thermometers *Wind Socks *Weather Vanes *Weather Balloons *Satellites *Radar *Rain Gauges Movement is deflected perpendicular to the rotation of the planet. Due to this effect, global wind and ocean currents driven by the wind look like this: High energy = less meandering in the stream
Low energy = more meandering in the stream Doldrums
Easterlies Jet streams are fast flowing, narrow air currents found in the atmospheres of some planets, including Earth. The main jet streams are located near the tropopause, the transition between the troposphere (where temperature decreases with altitude) and the stratosphere (where temperature increases with altitude Fronts Fronts are the boundries between air masses of different temperatures. Warm air moving toward cold = warm front
shown as red line with scallops
Cold air moving toward warm = cold front
shown as blue line with arrows This is an occluded front Tools for Measuring Weather