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Tornado and Severe Weather Awareness Week goes prime-time this year with not one, but two scheduled tornado drills. A majority of residents did not immediately seek shelter when tornado warnings were issued. In 2013, 16 tornadoes touched down in Wisconsin including six tornadoes during the overnight hours of August 6-7. The peak tornado season in Wisconsin is April to August, but tornadoes can occur any time of year, like the January 7, 2008 storms near Kenosha. Click on the following pages for more important information about tornadoes and how to get ready for the storms.
Tornado Valley in America build cellars, or storm shelters, beneath their homes so that they can take shelter if a tornado comes.
For example, if they heard the sirens going off they would look in the sky, then go to a TV to get information and then call a friend, etc.
An EF 2 struck near New London in Waupaca and Outagamie counties injuring two people and caused millions of dollars in damage. Tornadoes Come From Cumulonimbus and Cumulus CloudsPerhaps it’s the spinning motion of tornadoes that captures our attention.
Tornadoes are sometimes called twisters or cyclones, and both of these names refer to the spinning and contorting nature of the rapidly swirling air that defines a tornado.One of the other well-known tornado facts is that tornadoes connect from the ground to the clouds in the sky.
The first drill will help schools, businesses, and other organizations to prepare for storm season.
Tornadoes connect the ground to cumulonimbus and cumulus clouds, which are the cloud types typically associated with storms.2. The second drill is a great opportunities for families to create or review their emergency plans. Tornadoes Have Been Witnessed on Every Continent Except AntarcticaSome famous movies feature scenes with tornadoes, and we often think of the Midwest United States when we think of tornadoes. The picture of a tornado moving through farmland in the Midwest is the popular iconic image of a tornado.It’s one of the surprising tornado facts that tornadoes occur all over the world. Tornadoes have been witnessed on every continent except Antarctica, and also occur over the ocean.Scientists aren’t in agreement about whether or not a tornado over the ocean should be considered a tornado. This is one of the tornado facts that is up for debate.While tornadoes occur all over the world, our popular image of the tornado is in fact not far from the truth. Most tornadoes occur in a particular part of the Midwest United States, which has come to be known as Tornado Alley. Historians Aren’t Sure How The Word Tornado Came from SpanishIn Spanish, there are two words that sound like the word tornado. Some people have speculated that the word tornado was formed by combining these two words.It is possible that this is not one of the tornado facts, and that the word tornado was actually derived directly from tronada.
A Funnel Cloud Is Only a Tornado When it Touches the GroundWe may sometimes see shapes of clouds that look like tornadoes. Unless this funnel-shaped column of air touches the ground, it is not considered a true tornado.5. Hurricane Katrina Created Tornadoes All Across the East CoastPowerful thunderstorms are responsible for generating tornadoes. Tornadoes channel the energy from the storm into rapidly rotating winds.Some of the most powerful tornadoes come from the most powerful storms in history. Hurricane Katrina spun off a tornado and caused severe damage to an airplane hangar in the Florida Keys.
When a storm spins off more than one tornado, these tornadoes are considered part of a tornado family.

These multiple tornadoes can occur at the same time, or one tornado after another can be created by a storm.When a large storm front, such as the one generated by Hurricane Katrina, creates a series of tornadoes, this is considered a tornado outbreak.
The storm front from Hurricane Katrina was so powerful that it still had enough energy to generate tornadoes as far north as Pennsylvania in the Mid-Atlantic Region of the United States.7. Supercells Are Storms That Have Cyclones of Air Built-in to ThemSupercells are a particular type of thunderstorm. These storms have cyclones of air in them, though the cyclones are a few miles up in the air and don’t always touch the ground.
The cyclones in supercells are known as mesocyclones.Tornadoes develop when the supercell starts generating large amounts of rain. This sudden rainfall pulls the air around the rain down with it, and pulls the mesocyclone down towards the ground.The swirling mass of air from the mesocyclone sinks through the cloud and, when it breaches the bottom of the cloud, we see a funnel cloud.
When the bottom of the funnel cloud touches the ground, this spinning column of air has become a tornado.8. Some Tornadoes Can’t Be SeenOne of the most surprising tornado facts is that not all tornadoes can be seen.
Because of the way tornadoes are formed, and the fact that the swirling air causes condensation of water vapor, most tornadoes are visible to us.9.
There Was a Tornado 2.5 Miles Wide in Nebraska In 2004A lot of fun tornado facts are about the names given to tornadoes. Other large tornadoes can take on a large V-shape, and are called wedges, or wedge tornadoes.
When a tornado loses strength, it starts to appear wispy and more twisted, and these tornadoes are known as rope tornadoes.While a rope tornado may appear wispy, it’s one of the established tornado facts that the average tornado in the United States is roughly 500 feet, or 150 meters, in diameter.
Get ready for some mind-blowing tornado facts: tornadoes can be over one mile, or 1.5 kilometers, wide! In Nebraska on May 22, 2004, there was a tornado that was over 2.5 miles, or over four kilometers, wide at its base!10.
Tornadoes Make Infrasound Below the 20Hz Range of Human HearingA lot of tornado facts are concerned with the appearance of a tornado because of its awesome and overwhelming nature.
Seeing a column of air dramatically rising from the ground all the way up to the sky is an incredible experience. While a lot of attention is paid to what tornadoes look like, there are some lesser-known tornado facts about what tornadoes sound like.One of the amazing tornado facts is that tornadoes make infrasound.
When most people hear a tornado, it sounds like a whooshing sound, or the sound of air rushing.
Some people have compared the sound to that of a train.It’s often difficult to hear the sound of a tornado over the accompanying thunderstorm that is the source of the tornado.
The rain and thunder from the storm may make it difficult to hear a tornado.It’s one of the ironic tornado facts that the sound of a tornado is not a reliable way for people to detect tornadoes. However, the infrasound created by a tornado can be used to detect tornadoes with the use of special audio equipment.
Scientists are exploring ways to use infrasound as a means of detecting tornadoes in order to provide early warning to people who may be in a tornado’s path.11. A Tornado in 1925 Traveled Over 200 MilesTornadoes move with their thunderstorm clouds because they are connected at the top to the cyclone of air within the cloud. The area where the tornado connects to the ground moves across the land as the cloud moves with the storm above.
The ground the tornado travels across is considered the path of the tornado.This path is where the destruction occurs. As a tornado moves, it hits anything in its path on the ground with a swirling mass of air.

The swirling mass of a tornado can contain rocks, sticks and other dense objects, moving rapidly through the air.When these objects and the swirling air of the tornado impact a structure that people have built, such as a building, or house, the effects can be devastating. A powerful tornado can completely destroy a house, leaving it looking like nothing but a pile of wood!Some of the saddest tornado facts occur when people are caught in the path of a tornado.
When adequate shelter is not available, people sometimes die as a result of injuries caused by a tornado.Get ready for another of the mind-blowing tornado facts. Storms often generate one tornado after another, and these multiple tornadoes are sometimes mistaken for one continuous tornado. However, tornadoes traveling over 100 miles have been confirmed, including one tornado in 1925 that traveled over 200 miles!12. Tornadoes Have Some of the Fastest Wind Speeds on EarthWe saved the most amazing tornado facts for last.
Tornadoes cause so much destruction because the wind speeds in the cyclone of air are incredibly high.The average wind speed of a tornado is over 100 miles per hour, or over 150 kilometers per hour!
There Are 3 Scales for Rating TornadoesTo help establish tornado facts, scientists use different scales to rate tornadoes.
Because many tornado facts are only revealed after the storm has passed, scientists evaluate the damage, and rate the tornado, on the Fujita Scale from F0 to F5.There is also an Enhanced Fujita Scale, which is an updated version of the original Fujita scale. A tornado of this magnitude can rip a house right off its foundation!The TORRO scale or T-scale was developed by the Tornado and Storm Research Organization in the United Kingdom. Unlike the Fujita scale, the TORRO scale is based on the wind speed of the tornado, and not the destruction it causes.Of course, the higher the wind speed, the more likely a tornado is to cause significant damage. While some argue about which scale is better, one of our tornado facts is certain: we wouldn’t want to be in the path of any tornado that is ranked high on either scale!14. In 1953, a particular type of radar signature called a hook echo was associated with the thunderstorms that produce tornadoes.Today, tornado facts for predicting tornadoes are still found with radar.
Scientists are getting better at understanding which radar signatures are associated with tornadoes and the thunderstorms that create them.
Tornadoes move so quickly that they can sometimes form before the data from radar showing the tornado’s activity has even been retrieved and processed by computers!Two good eyes are still the best method for detecting tornadoes. Storm-Chasers Are Thrill-Seeking Scientists That Save LivesAs destructive as tornadoes are, some people chase tornadoes. Most of these people are a combination of both – in other words, they are thrill-seeking scientists!While this is not one of the tornado facts we should encourage our kids to explore, it’s inspiring to know that people are risking their lives to help save others. The tornado facts that storm chasers gather help scientists improve their ability to detect tornadoes. As tornado detection gets better, more people can be evacuated sooner in the event of a tornado, and more lives can be saved.Tornadoes are an awesome force of nature. These large swirling masses of air, water and debris cause serious damage when their path carries them through areas where people live and work.Our common image of the tornado appearing over farmland is actually one of the true tornado facts. Efforts to learn more tornado facts, including improving our ability to detect tornadoes, have been focused in the Midwest for this reason.Brave storm chasers and storm spotters are part of the warning system for tornadoes. People spotting tornadoes early on, and informing authorities immediately, is still our best line of defense against these powerhouses of nature.Interesting Facts about Tornadoes SummaryTornado facts capture our attention as they teach us about the raw power of nature. Tornadoes fascinate us so much that there are even tornado chasers who track down these destructive storms to get more tornado facts.Tornadoes don’t last for very long, so capturing tornado facts through scientific measurements is not easy. The tornado chasers put their lives on the line to help us learn more about tornadoes.Tornadoes facts come in all shapes and sizes, much like tornadoes themselves.

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