The important feature of the present study is to consider the specific concept of thundercloud motion and quantify the sets of microphysical processes operating within and around a thundercloud. The present study shows that saturation space charge density at the upper boundary of a thundercloud reduces due to upward motion of the cloud. The obtained results also show that growth rate of electric field inside a moving thundercloud is declined with respect to a motionless thundercloud. The effect of the reduced electric field growth rate on charging of precipitation particles and precipitation development has also been discussed.