Rain
The ascending air flows are adiabatic expansion and cooling. In the adiabatic lapse rate of air temperature, which is about 1K for every 100 m rise. Comparing it with the normal temperature lowering 0.65 To 100 m (see equation (2.2)), we can see that in his time the rising air, which originally was perhaps higher than the ambient temperature, ultimately, at a lower temperature than its surroundings. At this point upward movement stops.
If in the process of adiabatic process cooling air temperature in the growth of current fell below the dew point, condensation will occur in the presence of a sufficient condensation nuclei. Drops of liquid historically would typically fall under the influence of gravity, but the speed of the decline will be greeted resistance of friction between the drops and the rising air stream. Whether the clouds, formed by condensation, going to rain or not depends on the resultant force of gravity and friction resistance up. The speed with which the rain falls depends on the size of drops formed...
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Air-Conditioning