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Effect of Terrain on Trajectory Errorthe original calculation used the GUIfor this exercise edit ...to obtain the same result as beforeTrajectories diverge at 09/27 18Z when the backward trajectory first encounters the downward vertical velocity field, while the forward trajectory has been forced to stay at ground-level for the entire time prior to this point. Automated Hourly or Daily TrajectoriesTime Averagingisosigma using wrf27uw and wrf27mc |