Cloud Height (Ceiling)

There are several types of meteorological or 'weather' balloons. The smallest of these balloons is a ceiling balloon. The ceiling balloon is used to determine cloud height. Before launching the balloon, a scientist must calculate an estimated accent rate. By doing this, he or she can calculate the ceiling of a cloud. For example, if the balloon rises at about 460 ft/min, and the total trip time is approximately 20 minutes, it can be determined that the cloud ceiling is about 9200 feet. Because these parameters are determined by optical tracking of the balloon, ceiling balloons come in different colors including red, black and natural.

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