Warm–dry collocation of recent drought in southwestern China tied to moisture transport and climate warming*
Dai Xin-Ganga), Liu Yeb)†, Wang Pingc)
       
Differences between the two 500 hPa height fields averaged over the years corresponding to the six maximum and minimum precipitations of Yunnan, respectively. The areas surrounded by white lines represent the differences that are statistically significant above the 90% confidence level. (a) Rainy season (May–October); (b) dry season (November–April). Units: gpm is the geopotential meter.