Constant absolute vorticity trajectory

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constant absolute vorticity trajectory

(Abbreviated CAVT.) The path of an air parcel with absolute vorticity that remains constant in horizontal flow.

Before the advent of modern numerical weather prediction, these trajectories, in conjunction with the theory of Rossby waves, were frequently used to forecast the movement of long tropospheric waves.

Pettersen, S. 1956. Weather Analysis and Forecasting. 2d ed., Vol. I, . 146–148, 171–176, 414–419.

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