Cumulus clouds form in the sky over Santa Fe, New Mexico. (Photo by Robert Alexander/Getty Images) Clouds are saturated parcels of air. Water molecules also have weight. One molecule of water is ...

If the physical calculations are done to include air molecules in the weight and reduce the limitations on the size of a cumulus cloud from the 1 km parameters, the numbers are even more staggering.

Among the many types of clouds, cumulus clouds stand out because of their pivotal role in regulating weather patterns and climate. One of the fundamental processes that shape the development of ...