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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.
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:
The cumulonimbus flammagenitus cloud (CbFg), also known as the pyrocumulonimbus cloud, is a type of cumulonimbus cloud that forms above a source of heat, such as a wildfire, nuclear explosion, or volcanic eruption, [5] and may sometimes even extinguish the fire that formed it. [6] It is the most extreme manifestation of a flammagenitus cloud.
The latest from our Ukraine live blog as of 1pm GMT on 28/01/2025 Trump’s freeze on US aid to Ukraine has severely impacted humanitarian projects, including those supporting veterans, removing ...
Footage posted on Russian Telegram channels appears to show an explosion in Klintsy, a town in the Bryansky region bordering Ukraine. State news agency TASS, citing comments from emergency ...
Ukraine captured a chunk of the Russian border region of Kursk after a daring cross-border attack in August. They have held onto some of that territory ever since, though advancing Russian forces ...
A transient condensation cloud, also called a Wilson cloud, is observable surrounding large explosions in humid air. When a nuclear weapon or high explosive is detonated in sufficiently humid air, the "negative phase" of the shock wave causes a rarefaction of the air surrounding the explosion but not of the air contained within it.
Control: Ukraine; Russia Contested; Stable mixed control Inner controls, outer sieges (or strong enemy pressure); Enemy pressure from one side; small icon within a larger icon: The situation in individual neighbourhood/district Airport/air base; Heliport/helicopter base; Military base; Strategic hill; Oil/gas;