The Characteristics of Thunderstorms and Their Lightning Activity on the Qinghai-Tibetan Plateau

Figure 9

(a)∼(b) The distance between the 500 hPa pressure field in the high and low ground-flash years; (c)∼(d) 500 hPa wind field averages for high-value and low-value years, and the color-filled graphs are relative humidity averages.

(a)

(b)

(c)

(d)