Summary

1. Description: Final height h and radius r of a nuclear mushroom cloud as a function of the explosive yield W. The final height is approximately the height above the burst point for low and intermediate W and approx. the height above sea leval for high W.
2. Author: SiriusB
3. Date: Feb. 9 2005 (new version)
4. Sources: A figure in Glasstone/Dolan (1977), The effects of nuclear weapons. The values are fitted via the formulae

${\displaystyle H(W)=3.0\,\mathrm {km} \cdot 10^{0.006941{\mathit {LW}}^{4}-0.06216{\mathit {LW}}^{3}+0.1526{\mathit {LW}}^{2}+0.1878{\mathit {LW}}}}$,

${\displaystyle R(W)=0.6\,\mathrm {km} \cdot 10^{0.0137{\mathit {LW}}^{3}-0.0358{\mathit {LW}}^{2}+0.37{\mathit {LW}}}}$,

where LW = log₁₀(W/kT). For low yields the relation can be approximated by h ≈ 3000 m⋅(W/kT)^1/3. An interpolation to the cubic law is used for LW<1.5, i.e. W<32 kT in the new image version. The curve fits data from nuclear tests up to approx. 50 MT (the 'Tsar Bomba' test, 1961). The extrapolation to 100 MT is to be used with caution. For individual events there are large deviations in height; for example the mushroom cloud of the atomic bombings of Hiroshima and Nagasaki rose up to approx. 12 kilometres.

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

Category:License migration redundant#Mushroomcloud%20Size.pngCategory:GFDL#Mushroomcloud%20Size.png

	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue

Category:CC-BY-SA-3.0-migrated#Mushroomcloud%20Size.png

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue

Category:CC-BY-SA-2.5,2.0,1.0#Mushroomcloud%20Size.png

You may select the license of your choice.

Category:Self-published work