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Saturday, July 6, 2013

Cumulonimbus Cloud

Cumulonimbus Cloud
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The lake dodged a thunderstorm last night, but I think it hit Hoosick, in the direction of this cloud.  This cloud would have scored straight 5.9s were it not for the controversial French judge who scored it a 5.7.

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.   

National Weather Service Weather Forecast Office - Louisville, KY


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