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What are the main features of a tornadoes for kids?
Some of the features are:Violent, rotating windslow barometric pressureA condensation funnelA dust/debris cloudIn some cases subvorticies within the tornado
What are Small tornadoes around the main tornado?
Smaller tornadoes near a larger tornadoes are often called satellite tornadoes. Smaller vortices within a tornado are called subvorticies or suction vorticies.
What is a multivortrex tornado?
A multivortex or multiple vortex tornado is a tornado that has multiple suction vortices or subvorticies inside the main circulation. These short-lived vorticies are more intense than the rest of the tornado, sometimes packing wind up to 100 mph faster than the main circulation. Although the subvorticies are often obscured by the main funnel they sometimes show themselves as multiple funnels moving around a common center. It is still one tornado, however, even though it may look like two or more.
What do subvorticies mean as features of a tornado?
Subvortices are smaller vortices, almost like mini tornadoes, within the main vortex of a tornado. These subvortices have stronger winds than the main vortex, and result in a tornado with a continuous damage path with intermittent areas of more severe damage.
Which part of a tornado is stronger?
It depends on the tornado. In most tornadoes the strongest winds are near the center. In multivortex tornadoes, however, the strongest winds are in the subvorticies, which are almost like smaller tornadoes within a larger one.
What is a multivortex?
The term "multivortex," which is short for "multiple vortex" is used to describe a tornado with two or more subvorticies or suction vorticies moving around inside it. These vorticies have stronger winds than those found in other parts of the tornado and often produce crescent-shaped areas of more severe damage. Sometimes these vorticies are visible, giving the appearance of two or more tornadoes when it is still in fact one larger tornado.
Why are big tornadoes strong tornadoes sometimes?
There are a number of proposed explanations for large tornadoes generally being stronger. First is the idea that a stronger tornado is generally going to move a large mass of air. It is also possible that it is easier for subvorticies, which have stronger winds, do devlope within a large tornado. Another possibility is that a larger tornado takes longer to pass over a particular spot, and structures are exposed to extreme winds for a longer times, thus taking more damage. Damage is used to determine how strong a tornado is. Ultimately the real reason is probably a combination of these factors.
What is a vortex tornado?
A multiple vortex tornado is a tornado that has two or more smaller vorticies inside the main circulation. These subvorticies or suction vortices can have winds up to 100 mph faster than the rest of the tornado, and thus cause more severe damage. This is one reason why one area hit by a tornado may only sustain moderate damage, while the area next to it may be devastated. Normally these vortices are hidden within the main funnel, but if conditions are right a multiple vortex tornado may have two or more funnels. Each subvortex usually only lasts a few seconds.
What are the parts of a tornado called?
Most tornadoes have a visible condensation funnel as well as a dust and/or debris cloud. Some tornadoes, have an area similar to the eye of a hurricane called a weak echo region. A few tornado also contain subvorticies, which are almost like mini tornadoes withing the main circulation. Another feature seen in some tornadoes is called an inflow tail or inflow jet, where winds outside the main circulation flow inwards really fast.
What is a multiple vortex tornado?
A multiple vortex tornado is a tornado that has two or more smaller vorticies inside the main circulation. These subvorticies or suction vortices can have winds up to 100 mph faster than the rest of the tornado, and thus cause more severe damage. This is one reason why one area hit by a tornado may only sustain moderate damage, while the area next to it may be devastated. Normally these vortices are hidden within the main funnel, but if conditions are right a multiple vortex tornado may have two or more funnels. Each subvortex usually only lasts a few seconds.
What are the parts of a tornado?
Visible parts of a tornado include the condensation funnel, which is formed by the pressure drop condensing water vapor, and the debris cloud which is caused by the winds of a tornado picking up soil and/or debris. The tornado itself is a rapidly spinning vortex of air with a powerful updraft. Some tornadoes also have a downdraft in their centers which forms a calm, clear area similar tot he eye of a hurricane. Tornadoes like these may also have smaller subvorticies or suction vorticies circling inside of them, which can produce more severe damage. These are called multiple vortex tornadoes. Most tornadoes descend from a lowering of the cloud base called a wall cloud. Although this is not a part of the tornado itself it plays a role in tornado formation.
Why are tornadoes so big?
Compared with other types of storm tornadoes are actually rather small. In meteorological terms something less than 2 kilometers or 1.2 miles wide (which most tornadoes are) is considered micro scale. But in general, it would be difficult to fit such intense winds as are found in a tornado into something less than a few dozen yards wide, especially since they form from a larger circulation called a mesocyclone. As it turns out, very small tornadoes are usually (though not always) short lived and weak. Very large tornadoes have often have gone through a process called vortex breakdown which occurs when a downdraft travels down the center of the tornado, forcing the vortex as a whole to expand. Such tornadoes often have smaller subvorticies (almost like smaller tornadoes) hidden within the main funnel.
