Fig.6 (a) Vertical profiles of horizontal advection of climatological dry enthalpy by anomalous wind , and horizontal advection of climatological latent heat by anomalous wind ; (b) The 300 hPa winds anomalies, climatological temperature, and meridional temperature gradient; and (c) The 600 hPa winds anomalies, climatological specific humidity, and meridional specific gradient in rainy midsummer years in North China