743863.fig.004a
(a)
743863.fig.004b
(b)
743863.fig.004c
(c)
743863.fig.004d
(d)
Figure 4: The wind shear (units: m s-1) between 850 hPa and 200 hPa at 0600 UTC 01 October 2005 from (a) regional nature run, (b) control run, (c) data assimilation Experiment , and (d) data assimilation Experiment .