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A mushroom cloud is a distinctive mushroom-shaped flammagenitus cloud of debris, smoke, and usually condensed water vapour resulting from a large explosion. The effect is most commonly associated with a nuclear explosion , but any sufficiently energetic detonation or deflagration will produce a similar effect.
Alternate spellings and abbreviations for cumulonimbus flammagenitus that may be found in the literature include Cb-Fg, pyrocumulonimbus, pyro-cumulonimbus, pyroCb, pyro-Cb, pyrocb, and volcanic cb, having developed amongst different specialist groups [8] [20] In the media and in public communications, fire-driven examples are often referred to as fires 'making their own weather'.
To find the optimum height of burst for any weapon yield, the cube root of the yield in kilotons is multiplied by the ideal H.O.B for a 1 kt blast, e.g. the optimum height of burst for a 500 kt weapon is ~1745 m. [4] An estimate of the size of the damage caused by the 16 kt and 21 kt atomic bombings of Hiroshima and Nagasaki.
English: For decades this image was commonly misidentified as the mushroom cloud of the Little Boy bomb that formed around 8:15 AM local time. However due to its greater height and the wholly different time of day, it is a pyrocumulus* cloud that occurs frequently over firestorms.
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The mushroom cloud was about 67 km (42 mi) high [48] (nearly eight times the height of Mount Everest), which meant that the cloud was above the stratosphere and well inside the mesosphere when it peaked. The cap of the mushroom cloud had a peak width of 95 km (59 mi) and its base was 40 km (25 mi) wide. [49] A Soviet cameraman said:
Tri-City Herald Letters to the Editor 12/06/2022. For premium support please call: 800-290-4726 more ways to reach us