Test your knowledge of the most powerful and destructive storms in the world, and their characteristics.
What is the diameter range of an average tornado?
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100-600 feet
Which country experiences the highest number of tornadoes annually?
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United States
What is the name of the tornado that hit Jarrell, Texas in 1997?
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The Jarrell Tornado
What is the difference between a multiple vortex tornado and a single vortex tornado?
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A multiple vortex tornado has several smaller vortices rotating around a larger one, while a single vortex tornado has only one main vortex
What is the name of the device that releases weather balloons to gather data about tornadoes?
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Radiosonde
What is the minimum wind speed required for a storm to be classified as a tornado?
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40 mph
What is the name of the tornado that hit Smithville, Mississippi in 2011?
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The Smithville Tornado
What is the name of the tornado that hit Joplin, Missouri in 2011?
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The Joplin Tornado
What is the peak season for tornadoes in the US?
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Spring
What is the difference between a satellite tornado and a suction vortex?
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A satellite tornado is a smaller tornado that rotates around a larger one, while a suction vortex is a small, intense vortex that forms near the ground and can cause additional damage
What is the name of the tornado that hit Andover, Kansas in 1991?
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The Andover Tornado
What is the difference between a tornado emergency and a tornado warning?
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A tornado emergency is issued when a confirmed tornado is about to hit a populated area, while a tornado warning is issued when a tornado has been spotted or indicated by radar
What is the Fujita Scale used for?
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To measure the intensity of a tornado
What is the term for a tornado with multiple funnels?
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Multivortex tornado
Which type of cloud is typically associated with tornadoes?
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Cumulonimbus
What is the difference between a tornado watch and a tornado warning?
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A watch means conditions are favorable for a tornado, while a warning means one has been spotted or detected by radar
What is the difference between a tornado and a fire whirl?
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A tornado is a rotating column of air that forms from a thunderstorm, while a fire whirl is a rotating column of air that forms from a fire
Which of these factors does NOT contribute to tornado formation?
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Solar radiation
What is the difference between a rope tornado and a wedge tornado?
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A rope tornado is thin and long, while a wedge tornado is wide and short
What is the difference between a tornado and a twister?
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A twister is another name for a tornado
What is the difference between a tornado and a cyclone?
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A tornado is a type of cyclone that forms over land, while a cyclone is a general term for any rotating storm system
What is the name of the tornado that hit Greensburg, Kansas in 2007?
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The Greensburg Tornado
Which U.S. state has the nickname 'Tornado Alley'?
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Oklahoma
Which U.S. city was hit by a devastating F5 tornado in 1999?
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Moore, Oklahoma
What is the name of the phenomenon where a tornado appears to be stationary?
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A training tornado
What is the term for a tornado that forms in mountainous terrain?
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Non-tornadic landspout
What is the name of the tornado that hit Moore, Oklahoma in 2013?
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The Moore Tornado
Which state in the US has the most tornadoes per year on average?
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Texas
What is the term for a tornado that occurs during a hurricane?
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Tornadic waterspout
What is the difference between a tornado and a gustnado?
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A tornado is a rotating column of air that extends from a thunderstorm to the ground, while a gustnado is a small, weak vortex that forms along the leading edge of a thunderstorm outflow
What is the difference between a funnel cloud and a tornado?
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A funnel cloud does not reach the ground, while a tornado does
What is the difference between a landspout and a waterspout?
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A landspout forms over land, while a waterspout forms over water
What is the name of the tornado that hit Xenia, Ohio in 1974?
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The Super Outbreak Xenia Tornado
What is the fastest recorded wind speed inside a tornado?
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318 mph
What is the name of the tornado that hit El Reno, Oklahoma in 2013?
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The El Reno Tornado
What is the name of the tornado that hit Tuscaloosa, Alabama in 2011?
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The Tuscaloosa-Birmingham Tornado
What is the term for the area where warm, moist air meets cooler, drier air, often leading to tornado formation?
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Dry line
What is the largest tornado outbreak ever recorded?
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2011 Super Outbreak
What is the difference between a tornado and a waterspout?
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A tornado forms over land, while a waterspout forms over water
What is the term for a tornado that occurs during a volcanic eruption?
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Volcanic tornado
What is the Enhanced Fujita Scale used for?
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To rate the damage caused by a tornado
What is the name of the tornado that hit Hallam, Nebraska in 2004?
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The Hallam Tornado
What is the diameter of an average tornado?
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About 200-300 feet
What is the average lifespan of a tornado?
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10 minutes
What is the term for a tornado that forms over water?
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Waterspout
What is the fastest wind speed ever recorded in a tornado?
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302 mph
What is the difference between a tornado and a whirlwind?
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A whirlwind is a rotating column of air that forms at ground level, while a tornado is a rotating column of air that extends from a thunderstorm to the ground
Which of these terms refers to a rotating column of air not yet in contact with the ground?
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Funnel cloud
Which of these weather phenomena can produce tornado-like conditions but is not considered a true tornado?
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Dust devil
What is the name of the tornado that hit Spencer, South Dakota in 1998?
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The Spencer Tornado
Which of these colors is NOT commonly associated with the sky during a tornado?
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Purple
What is the largest tornado ever recorded?
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2.6 miles wide
What is the difference between a tornado outbreak and a tornado family?
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A tornado outbreak is when multiple tornadoes occur in a region within a short period of time, while a tornado family is a series of tornadoes that form from the same storm cell
What is the term for a tornado that occurs at night?
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Nocturnal tornado
What is the deadliest tornado in US history?
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The Tri-State Tornado of 1925
What is the difference between a supercell thunderstorm and a regular thunderstorm?
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A supercell thunderstorm is a long-lasting, rotating thunderstorm that can produce tornadoes, while a regular thunderstorm is a shorter-lived, non-rotating thunderstorm that typically does not produce tornadoes
In which season do tornadoes occur most frequently in the United States?
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Spring
What is the main cause of tornadoes?
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The collision of warm and cold air masses
What is the term for a tornado that forms along the leading edge of a cold front?
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Quasi-linear convective system (QLCS) tornado
What is the minimum wind speed required for a tornado to be classified as an EF-0 on the Enhanced Fujita Scale?
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65 mph
What is the name of the tornado that hit Moore, Oklahoma in 1999?
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The Bridge Creek-Moore Tornado
What is the term for a small, weak tornado with winds less than 65 mph?
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Gustnado
Which state in the US has the highest number of tornadoes per year on average?
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Texas
Which of these states is NOT part of the traditional 'Tornado Alley' region in the United States?
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Florida
What is the record for the longest continuous path of destruction left by a single tornado?
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219 miles
What is the difference between a tornado and a hurricane?
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A tornado is a smaller and more localized storm system than a hurricane
What is the average width of a tornado's funnel?
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500 feet
What is the name of the tornado that hit Hackleburg, Alabama in 2011?
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The Hackleburg Tornado
What is the name of the tornado that hit Yazoo City, Mississippi in 2010?
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The Yazoo City Tornado
What is the name of the scale used to rate tornado damage?
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The Enhanced Fujita Scale
What is the smallest tornado ever recorded?
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10 yards wide
What is the difference between a tornado and a dust devil?
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A tornado is a larger and more powerful vortex that forms from a thunderstorm, while a dust devil is a smaller and weaker vortex that forms from rising hot air
What is the term for a tornado that occurs in a desert environment?
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Sandspout
What is the term for a large, violent tornado with a wedge-shaped appearance?
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Wedge tornado
What is a tornado?
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A rotating column of air that extends from a thunderstorm to the ground
What is the difference between a tornado watch and a tornado warning?
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A watch means conditions are favorable for a tornado, while a warning means a tornado has been spotted or indicated by radar
What is the most common time of day for tornadoes to occur?
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Late afternoon or early evening
What is the term for a tornado that occurs during a snowstorm?
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Snowspout
What is the term for the spinning column of air within a supercell thunderstorm that can lead to tornado formation?
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Mesocyclone
What is the difference between a tornado and a typhoon?
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A tornado is a smaller and more localized storm system than a typhoon
What is the primary cause of tornado formation?
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Thunderstorms
What is the average speed of a tornado?
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30 mph
What is the difference between a stationary tornado and a moving tornado?
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A stationary tornado stays in one place, while a moving tornado travels across the ground
What is the term for a tornado that occurs at high elevations?
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Landspout
What is the term for a tornado that occurs during a wildfire?
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Fire whirl
What is the name of the tornado that hit Birmingham, Alabama in 2011?
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The Tuscaloosa-Birmingham Tornado
What is the difference between a tornado alley and a Dixie alley?
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Tornado alley is a region in the central US where tornadoes are most common, while Dixie alley is a region in the southeastern US where tornadoes are most common