(a) CNTL
(b) RURAL
(c) CNTL-RURAL
Figure 12: Similar to Figure 11, but for the vector fields at 2100 LST 24 August, (a) CNTL, (b) RURAL, and (c) CNTL-RURAL. The three cities from left to right are Tianjin (TJ), Langfang (LF), and Beijing (BJ), respectively. Please refer to Figure 11 for more details of the figure description.