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Discussion :: Atmosphere

  1. Which of the following colour types do not indicate fair or fine weather?

  2. A.

     Cirrus

    B.

     Cumulus

    C.

     Altocumulus

    D.

     Cumulonimbus

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    Answer : Option D

    Explanation :

    A cumulus cloud that exhibits significant vertical development (but is not yet a thunderstorm) is called cumulus congestus or towering cumulus. If enough atmospheric instability, moisture, and lift are present, then strong updrafts can develop in the cumulus cloud leading to a mature, deep cumulonimbus cloud, i.e., a thunderstorm producing heavy rain. In addition, cloud electrification occurs within cumulonimbus clouds due to many collisions between charged water droplet, graupel (ice-water mix), and ice crystal particles, resulting in lightning and thunder.


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