Vertical Cloud Column With Limb is a photograph by Science Source which was uploaded on May 30th, 2013.
Vertical Cloud Column With Limb
Limb of microburst apparent to left of vertical cloud column. Circa 1980. No location given. Clouds of the genus cumulonimbus have very dark grey to... more
Title
Vertical Cloud Column With Limb
Artist
Science Source
Medium
Photograph
Description
Limb of microburst apparent to left of vertical cloud column. Circa 1980. No location given. Clouds of the genus cumulonimbus have very dark grey to nearly black flat bases and extremely high tops. They develop from cumulus when the airmass is convectively highly unstable. They generally produce thunderstorms, rain or showers, and sometimes hail, strong outflow winds, and/or tornados at ground level. A microburst is a very localized column of sinking air, producing damaging divergent and straight-line winds at the surface that are similar to, but distinguishable from, tornadoes, which generally have convergent damage. There are two types of microbursts wet microbursts and dry microbursts. They go through three stages in their life cycle the downburst, outburst, and cushion stages. The scale and suddenness of a microburst makes it a great danger to aircraft due to the low-level wind shear caused by its gust front, with several fatal crashes having been attributed to the phenomenon over the past several decades. A microburst often has high winds that can knock over fully grown trees. They usually last for a duration of a couple of seconds to several minutes.
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May 30th, 2013
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