Abstract: Three vortices, which happened over the Qinghai-Tibet Plateau in June of 1979, are estimated in this paper by using apparent heat source equation, apparent moist sink equation, perturbation energy equations and vorticity equation. During the genesis and development process of the vortices, the vertical eddy transport of total heat (sensible heat and latent heat) caused by cumulus and turbulence is very important. When the atmosphere is conditional instability, the eddy transport by cumulus and turbulence makes the layer of the increment of vortices absolute vorticity higher. In addition, the eddy transport of total heat makes disturbance effective potential energy increase and then it is transformed into disturbance kinetic energy. Thus, the vortices will generate and develop.