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A tornado becomes a tornado when the circulation reaches the ground.
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Is an F-0 tornado destructive?
No. An F0 tornado can cause damage, but only very weak structures such as sheds and some outbuildings will actually be destroyed.
Why do tornadoes suck things?
The tornado is part of the updraft of a thunderstorm that has become focused and very intense. The pressure inside a tornado is lower than in the surroundings, so air is dran into the tornado and then upwards by the updraft.
What are the wind and pressure characteristics of a tornado?
The pressure inside a tornado is low compared to its surroundings, though exactly how low pressure can get in a tornado is unknown as few measurements have been taken, but it is generally accepted that the lower the pressure in a tornado, the stronger it is. Wind in a tornado moves in a circular fashion very rapidly, so the tornado is actually a type of powerful vortex. On rare occasions these winds can exceed 200 or even 300 mph (320 or 480 km/h). In addition winds in a tornado move upward very quickly at speeds similar to those of the rotation. Air near the tornado spirals inward
How can Bernoulli's principle be used to predict how a house may be damaged in a tornado?
The wind going over the roof of the house creates an upward pressure force that, in a strong enough tornado, can actually lift the roof from the house.
How does a tornado spin so fast?
A tornado originates from a much larger but less intense circulation called a mesocyclone, located in the updraft area of a thunderstorm. Under the right conditions, a downdraft can wrap around a portion of the mesocyclone, causing it to become narrower. Since angular momentum must be conserved, as the rotation becomes narrower, it must also become faster. This leads to the relatively small but very intense circulation that we call a tornado.
How can hurricane chris become the deadliest tornado?
It can't. A hurricane can't become a tornado.
What forms when a tornado collapses in on itself?
Tornadoes cannot collapse in on themselves. In many cases a tornado will become much narrower as it enters its dissipating stage, and is said to be "roping out." During this stage the winds in the tornado may actually speed up as angular momentum is conserved. It is still considered a tornado until it dissipates completely.
Can a tornado happen in Edmonton?
Yes. There actually was a tornado in Edmonton about 20 years ago.
Why is a dust devil called a mini tornado?
A dust devil is sometimes called a mini tornado, though it is not actually a tornado, because it looks like a small tornado.
Does a temperature rise in a tornado?
No. Because of the sharp pressure drop temperature in a tornado actually decreases.
When a storm turns into a tornado what type of cloud does it become?
A storm does not become a tornado; it produces one. The rest of the storm remains largely unchanged as a cumulonimbus cloud. The tornado itself forms a funnel cloud.
How does the simulator actually compare to a tornado?
Fairly poorly. Although a simulator can create a smaller, non-violent vortex that resembles a tornado it cannot mimic the larger-scale dynamics that actually drive a real tornado.
How do scientists know when a tornado is actually coming?
Scientists can detect the signature of a possible tornado using Doppler radar. However, they rely on reports from spotters, police, and the general public to know if a tornado is actually on the ground.
When does a twister become a tornado?
Twister and tornado are two words for the exact same thing. A tornado is considered such when the violent winds reach the ground.
What is violent whirling wind associated with thunderstorms?
The wind that comes with thunder storms can become a tornado.
Is it always windy before a tornado?
No. It is not uncommon for conditions to become unusually calm before a tornado strikes.
Could there be a tornado in Illinois?
Yes, tornadoes are not uncommon in that state. Illinois was actually the worst hit in the Tri-State tornado, the worst tornado in U.S. history.
