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. 2013 Mar 18;110(14):5347–5352. doi: 10.1073/pnas.1219405110

Fig. 1.

Fig. 1.

NH monsoon precipitation domain and annual reversal of the winds. Climatological mean JJA minus DJF rainfall (shading) and (A) 925-hPa winds, (B) 200-hPa winds, and (C) vertical wind shear (VWS, 850-hPa minus 200-hPa winds). The monsoon rainfall domain outlined by the green solid lines is defined by the local summer-minus-winter precipitation rate exceeding 2.0 mm/d and the local summer precipitation exceeding 55% of the annual total (7). The boxed areas in A–C indicate the regions where the 925 (200)-hPa zonal wind index and NHSM circulation (VWS) index are defined.