2,200 ft
Schleprock
Red cloud
The official definition for sunshine is "direct sunlight unbroken by cloud, esp. over a comparatively large area."
Anything over 140/90 is considered high.
This happens in the summer, when a wind known as the "south-easter" blows.
The cloud rose to over 60,000 feet in about ten minutes.
The cloud rose to over 60,000 feet in about ten minutes.
The cloud rose to over 60,000 feet in about ten minutes.
I assume that you are referring to fallout. It was only a tiny amount of the total fallout at Hiroshima, but as the mushroom cloud did enter the stratosphere some did travel around the world. Most of the fallout though probably fell back to earth in less than a couple hundred miles.
In this context, "mushroom" is a verb that means to grow, expand, or proliferate rapidly, similar to how mushrooms spread quickly. For example, "The company's profits mushroomed over the past year" means that the profits grew rapidly or substantially.
ALL explosions both nuclear and conventional produce mushroom clouds (fires do too). The mushroom cloud is just a column of rising hot air with a toroidal vortex at the top where cool air falls down around the top of this column. The cloud is made visible by debris and smoke being carried up in the hot air.However nuclear explosions produce mushroom clouds that are both larger and last longer than those produced by other means because of the higher energy release, so they are more visible over longer distances and more memorable.
The Tsar Bomba, the most powerful nuclear weapon ever detonated, had a yield of 50 megatons. The explosion released energy equivalent to about 1,400 times the combined power of the Hiroshima and Nagasaki bombs. The mushroom cloud reached an altitude of about 60 kilometers and was visible from a distance of over 1,000 kilometers.
The atomic bombings over Hiroshima and Nagasaki was the last of WW 2 attacks. President Truman wanted to end the war and to collapse Japan's means for making war and he did as he planned.
Hiroshima did not drop bombs. It was the United States who dropped an atomic bomb over Hiroshima on august 6 1945.
Those bombs were dropped over Hiroshima in august 6 and over Nagasaki on august 1945.
Hiroshima is a city of over 1.1 million people, the capital of Hiroshima Prefecture in western Honshu. The city was rebuilt on the same location.
After the bombing at Hiroshima, the city recovered and rebuilt itself. Now, it is a metropolis of over a million people.