ATMO 201 Lecture Notes - Lecture 14: Net Force, Atmospheric Pressure, Jet Stream

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The power of wind - wind blows from high to low: transport energy (heat), moisture, momentum. Continuity - account for wind in three dimensions: zonal direction (u) - east/west (latitudinal, meridional direction (v) - north/south (longitudinal, vertical direction (w) - up or down Dimensions of motion: zonal and meridional winds typically move much faster than vertical winds. Motion is based on newtonian mechanics o f=ma (which law is this???) Atmospheric pressure always decreases with height: rapid in the first few kilometers then gradually until the top of the atmosphere, but that"s vertical, what about horizontal changes, model this: Density is constant with height; no crowding at surface. Width of the column is the same at all levels. Air stays inside column: twin city model: bryan (city 1) and college station (city 2) On the day of a football game, everyone is in college station and no one is in bryan. So city 1 cools and city 2 gets hotter.

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