Answer: The correct answer is option A, Wind Shear Explanation: The tornadoes are formed from the fast rotating air which develops into a funnel shape. The United States sees an average of 1,200 tornadoes per year. In 2011, Alabama was struck particularly hard, with tornadoes rated EF-5 (the most intense) on the Enhanced Fujita scale hitting Hacklesburg and Birmingham. [+], The biggest threat to living creatures (including humans) from tornadoes is from flying debris and from being tossed about in the wind. Learn another language, Lego-like recycling will transform how we use these future plastics, Biohybrid microrobots could be prescribed to you one day. All rights reserved. Norman, OK 73072 Severe Weather 101: Tornado Basics - NOAA National Severe Storms Laboratory Several meteorological conditions must be present for a tornado to form. These violent storms occur around the world, but the United States is a major hotspot with about a thousand tornadoes every year. . It depends. Certain conditions make tornadoes more likely. Tornado facts: How tornadoes form, are forecasted, and other science Usually, theres not a lot of instability in the winter thats needed for tornadoes because the air isnt as warm and humid, he added. Supercell tornadoes have the following subtypes: A multi-vortex tornado is a type of tornado with multiple vortexes, or small areas of low pressure, spinning within the larger tornado. They are most common on continents in the mid-latitudes (between 20 and 60 N and S), where they are frequently associated with thunderstorms that develop in regions where cold polar air meets warm tropical air. A ten-state area of the Midwest has been named "Tornado Alley" in recognition of its attractiveness to tornadoes. This dramatic image shows a tornado touching down in South Dakota out of a supercell thunderstorm, as lightning strikes. Most tornadoes are harmless and brief. A front is a boundary between two different air masses. Source: Modified from the Enhanced F Scale for Tornado Damage web page (http://www.spc.noaa.gov/efscale/ef-scale.html), produced by the National Oceanic and Atmospheric Association (NOAA). When one observes an overshooting top, this typically means: a) the thunderstorm is dissipating. Which storm commonly has wind speeds up to 300 mph? A tornado is a violently rotating column of air that extends from a thunderstorm to the ground. Inside the huge thundercloud, warm and humid air is rising, while cool air is falling, along with rain or hail. USA c) a thunderstorm will definitely produce a tornado. Which of the following actions would least help you achieve your goal? cool, dry air meeting with warm, moist air (APEX). . Florida How Do Tornadoes Form? | NOAA SciJinks - All About Weather Natural Disasters Ch 10 Flashcards | Quizlet The tornadoes have wind speed up to 110 miles per . The greatest threat from tornadoes is typically in spring and summer, and although tornadoes can happen at any time of the year in the US, it is incredibly rare for twisters as destructive as those that struck on Friday to occur in December. So, in that way, they are somewhat predictable. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.Get More National Geographic:Official Site: http://bit.ly/NatGeoOfficialSiteFacebook: http://bit.ly/FBNatGeoTwitter: http://bit.ly/NatGeoTwitterInstagram: http://bit.ly/NatGeoInstaRead more about \"Tornadoes\"https://on.natgeo.com/2LfvcJsTornadoes 101 | National Geographic https://youtu.be/aacHWoB7cmYNational Geographichttps://www.youtube.com/natgeo
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