The formation of rainfall has been studied empirically and theoretically within the compass of physics accompanied by a meteorological background. The study shows the energy transformations from molecular potential energy at ground level after the possession of heat from the sun to kinetic energy at the atmosphere after evaporation and the retransformation from kinetic in the troposphere to potential energy at the clouds when it condenses after losing its temperature (completely) and simultaneously kinetic energy (since K.E=2/3 KT) and gains absolutely potential energy through height (mgh). Also it was observed that the clouds experience freefall like other heavenly bodies and are suspended in the atmosphere through weightlessness, but they break into rain when the weightlessness is overcome by avalanche and fall under gravity. This eventuates in rainfall, but it is observed that the temperatures of the water droplets are higher than that of the clouds due to friction between the water molecules and the air and the increase in temperature of the troposphere with decrease in height. The molecules then fall back to the earth surface, losing their kinetic energy after a few motions around and totally regain their molecular potential energy when they become stationary and the process may be repeated on and on. ¬¬
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