what is the biggest cloud
Making the world better, one answer at a time. the biggest cloud today is the cirrocumulus cloud it is also called a thunder cloud. the biggest cloud today is the cirrocumulus cloud it is also called a thunder cloud.
Note that the possible height of cloud varies with location and airmass, so the highest cloud can occur in the tropics, the lower heights (with cirrus possible at 10,000 ft or 3500 m) in polar regions.