A New Dynamical Index for India-Burma Trough

Figure 7

The correlation between IIBT (a), the India-Burma trough index defined with vorticity (b), the India-Burma trough index defined with geopotential height (c), and the grid point GPCP precipitation in winter half year, respectively. The shaded areas pass significance test more than 90% confidence level, where the red (blue) areas denote the areas of more (less) rainfall when the India-Burma trough is strong.

(a)

(b)

(c)