Characteristic Features of the Evolution of a Meiyu Frontal Rainstorm with Doppler Radar Data Assimilation

Figure 6

Observed radar echoes at the height of 3 km during 0300 UTC 4 July–0000 UTC 5 July at 3-h intervals (a) 0300 UTC 4 July; (b) 0600 UTC 4 July, (c) 0900 UTC 4 July; (d) 1200 UTC 4 July; (e) 1500 UTC 4 July; (f) 1800 UTC 4 July; (g) 2100 UTC 4 July; (h) 0000 UTC 5 July. Unit: dBZ. The black frame indicates the key rainstorm area.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)