Graphical Prognosis Including Terrain Effects
Haltiner, George J.
Hesse, Theodore S.
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A method for the graphical integration of the vorticity equation is presented, which includes the effects of terram-mduced vertical velocities. The prediction equation is applied to a series of 1000-mb charts. The tests show that the inclusion of the terrain factor materially improved the prognosis in mountainous areas. When applied to the 500-mb chart, there was no significant improvement, primarily because of an additional severe assumption relating the surface and 500-mb winds.
The article of record as published may be found at http://dx.doi.org/10.1175/1520-0469(1958)015<0103:GPITE>2.0.CO;2