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The appearance of several tornadoes over a broad region is called a tornado outbreak. We’ve been busy, working hard to bring you new features and an updated design. Not only is it dangerous, a tornado demolishes everything in its path, including measuring equipment. This is why many buildings which have come in way of a tornado, are known to have exploded. The Tri-State Tornado was the deadliest tornado in US history, killing 695 people.

Experts suggest that if people are caught in the open when a tornado is near, they should stay low to the ground (preferably in a ditch or culvert). Subsequently, a condensation funnel (funnel cloud) forms that may reach the ground. - Geography for Kids | Mocomi, https://mocomi.com/embed/content.php?c=18400|What is a Tornado?|https://mocomi.com/what-is-tornado/. ground. It measured 318 miles per hour (about 512 kilometers per hour). A tornado is often a funnel cloud—a rotating column of air— that stretches from a storm to the ground. At ground level they usually leave a path of destruction about 50 m wide and travel an average of about 8 to 24 km. The average tornado moves at a speed of about 27 to 29 miles per hour (43 to 47 kilometers per hour). Surface friction also limits the rate of airflow into the base of the core. If you want to report any inaccurate information please contact us. A tornado that occurs over water is often called a waterspout.
These winds tend to be from the west or southwest in the Northern Hemisphere. More than 1,000 per year have been reported every year since 1990. Generally, the more moist the air and the more intense the tornado, the larger the funnel cloud. Tornadoes usually last less than 10 minutes. Sometimes giant tornadoes can look more like a wedge. In order to predict tornadoes, weather forecasters need to identify regions where strong thunderstorms may develop. ; Barometric pressure - Also known as air pressure, is the weight … All rights reserved. Read on to check out our wide range of information on twisters. Rotation - When viewed from above, most tornadoes rotate counterclockwise in the northern hemisphere and clockwise in the southern hemisphere. It is also a good idea to stay away from windows. With notice that tornadoes might be imminent, people have a chance to prepare. On very rare occasions, the strength of a tornado cyclone will remain nearly constant for several hours. A tornado has very low air pressure. As the warm air flows upwards, a downward air current forms, creating a thunderstorm. In local outbreaks one or only a portion of one state is affected. Renamed the Enhanced Fujita Scale, or EF-Scale, it was adopted for use in 2007. Please note: Text within images is not translated, some features may not work properly after translation, and the translation may not accurately convey the intended meaning. They should then seek shelter in a ditch. Most tornadoes, however, are relatively weak events that occur in sparsely populated areas and cause minor damage. To share with more than one person, separate addresses with a comma. Insurance records show that tornadoes have caused significant losses in Europe, India, Japan, South Africa, and Australia.

They are generally observed as tube-or funnel-shaped clouds. Sometimes a single thunderstorm produces a series of tornadoes, called tornado families.