Where does the energy for tornadoes come from?
Tornadoes come from the energy released in a thunderstorm. As powerful as they are, tornadoes only account for a tiny fraction of the energy in a thunderstorm. What makes them dangerous is that their energy is concentrated in a small area, perhaps only a hundred meters across.
Where is the fuel for thunderstorms?
To make a thunderstorm we need three basic ingredients. The basic "fuel" is moisture (water vapor) in the lowest levels of the atmosphere. The air above the lowest levels must cool rapidly with altitude, so 2-3 miles above the ground it is very cold.
Is it possible to make a man-made tornado?
Tornadoes can be created artificially using either steam or dry ice, so at least there is something to see, a fan and a cylinder of some type. You can also use a closed container with soapy water inside and shake it to create a vortex. As far as creating a life-size tornado, no.
Where do most thunderstorms occur in the United States?
The most frequent occurrence is in the southeastern states, with Florida having the highest number of 'thunder' days (80 to 105+ days per year).
How does a thunderstorm cause a tornado to form?
Tornado clouds form the tornadoes. When they are hot they form, in a short time, wet air rises. When this happens, the cool air is compressed into a large cumulus cloud. Like giving fire its food (fuel), more rising heated air builds up and the cloud gets bigger and bigger. In the long run, the water in the cloud falls back to the ground as rain.
What are the ingredients for a tornado to form?
For a tornado-producing supercell to initially develop, four ingredients must be present in the atmosphere. "Those ingredients are moisture, instability, vertical forcing and wind shear," said AccuWeather Lead Storm Warning Meteorologist Eddie Walker.
What kind of wind does a tornado have?
Tornadoes are one of nature's most violent storms. It is a violent rotating column of air that comes from a thunderstorm to the ground. This disaster originates from severe thunderstorms and appears as a rotating, funnel-shaped cloud with winds of about 300 mph.
Where does the moisture for tornadoes come from?
The Gulf of Mexico is very well placed as a moisture source. During the spring months, most low pressure systems from the Rockies swing over the south. Ahead of these systems, deep southerly winds scoop up moisture from the Gulf and bring it north in the perfect spot for severe weather, including tornadoes.
View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spannTornadoes are the most violent storms on Earth, with wind velocities that can ex…