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*** The winds of a tornado are horizontal, not vertical. They are not "sucking you up"; instead, they are coming at you very hard from the side. A surface above your head will do ''nothing'' to protect you from them. Additionally, the winds are ''rotating'', meaning that you will get hit from all four sides. An overpass might block, say, the south wind, but the north wind will be coming right at your face -- and because the winds can still get to you, the objects and debris they are carrying can too.
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*** The winds of a tornado are horizontal, not vertical. They are not "sucking you up"; instead, they are coming at you very hard from the side. A surface above your head will do ''nothing'' to protect you from them. Additionally, the winds are ''rotating'', meaning that you will get hit from all four sides. An overpass might block, say, the south wind, but the north wind will be coming right at your face -- and because the winds can still get to you, the objects and debris they are carrying can too.
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*** Even if the tornado doesn't hit, parking under an overpass usually means stopping in a traffic lane, which is both ''illegal'' and ''dangerous'' to you and to others. Someone may plow right into you because they may not see you in time to stop. You could also trap people in the storm's path against their will. Even ''worse'', you could even prevent emergency response vehicles from getting to where they are needed, preventing them from saving lives.
*** '''Why does this myth persist?''' It most likely runs on two things: the fact that overpasses themselves survive tornadoes and the prevalent misconception that a tornado has vertical suction. It doesn't help that there is at least one highly-publicized case where a news crew successfully weathered a tornado under an overpass -- the [[https://en.wikipedia.org/wiki/April_26,_1991_tornado_outbreak#El_Dorado_Lake.2FKansas_Turnpike_Underpass.2C_Kansas 1991 El Dorado, Kansas tornado]] -- '''BUT''' this was something of an anomaly. Firstly, the tornado did not directly strike. Secondly, this particular overpass had heavy girders forming an odd, sheltered "box" under the roadway which blocked much of the horizontal force of the wind -- a feature distinctly ''lacking'' in most overpasses. Nevertheless, many others have decided that this "proves" that an overpass provides shelter from a tornado and paid the price; case in point, on May 3, 1999 three different overpasses took direct hits from tornadoes, two of these from the legendary [[https://en.wikipedia.org/wiki/1999_Bridge_Creek–Moore_tornado Bridge Creek-Moore, Oklahoma tornado]]. At least one ''fatality'' occurred at each overpass, and virtually everyone that managed to survive suffered moderate to life-threatening injury, including compound fractures and shattered bones, lost fingers, lost ears, lost noses, and impalement by pieces of shingles, 2x4s, etc.
*** '''Why does this myth persist?''' It most likely runs on two things: the fact that overpasses themselves survive tornadoes and the prevalent misconception that a tornado has vertical suction. It doesn't help that there is at least one highly-publicized case where a news crew successfully weathered a tornado under an overpass -- the [[https://en.wikipedia.org/wiki/April_26,_1991_tornado_outbreak#El_Dorado_Lake.2FKansas_Turnpike_Underpass.2C_Kansas 1991 El Dorado, Kansas tornado]] -- '''BUT''' this was something of an anomaly. Firstly, the tornado did not directly strike. Secondly, this particular overpass had heavy girders forming an odd, sheltered "box" under the roadway which blocked much of the horizontal force of the wind -- a feature distinctly ''lacking'' in most overpasses. Nevertheless, many others have decided that this "proves" that an overpass provides shelter from a tornado and paid the price; case in point, on May 3, 1999 three different overpasses took direct hits from tornadoes, two of these from the legendary [[https://en.wikipedia.org/wiki/1999_Bridge_Creek–Moore_tornado Bridge Creek-Moore, Oklahoma tornado]]. At least one ''fatality'' occurred at each overpass, and virtually everyone that managed to survive suffered moderate to life-threatening injury, including compound fractures and shattered bones, lost fingers, lost ears, lost noses, and impalement by pieces of shingles, 2x4s, etc.
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*** Even if the tornado doesn't hit, parking under an overpass usually means stopping in a traffic lane, which is both ''illegal'' and ''dangerous'' illegal ''and'' dangerous to you and to others. Someone may those around you. Another car might plow right into you because they may not couldn't see you in time to stop. You could also trap people If a number of vehicles park there, it will effectively block the road, trapping other drivers in the storm's path against their will. Even ''worse'', you could even prevent and keeping emergency response vehicles from getting to where they are needed, preventing them from saving endangering even more lives.
*** '''Why does this myth persist?''' It most likely runs on two things: the fact that overpasses themselves survive tornadoes and theprevalent misconception CommonKnowledge that the main hazard of a tornado has is vertical suction.suction within the funnel itself. It doesn't help that there is at least one highly-publicized case where a news crew successfully weathered a tornado under an overpass -- the [[https://en.wikipedia.org/wiki/April_26,_1991_tornado_outbreak#El_Dorado_Lake.2FKansas_Turnpike_Underpass.2C_Kansas 1991 El Dorado, Kansas tornado]] -- '''BUT''' this was something of an anomaly. Firstly, the tornado did not directly strike. Secondly, this particular overpass had heavy girders forming an odd, sheltered "box" under the roadway which blocked much of the horizontal force of the wind -- a feature distinctly ''lacking'' in most overpasses. Nevertheless, many others have decided that this "proves" that an overpass provides shelter from a tornado and paid the price; case in point, on May 3, 1999 three different overpasses took direct hits from tornadoes, two of these from the legendary [[https://en.wikipedia.org/wiki/1999_Bridge_Creek–Moore_tornado Bridge Creek-Moore, Oklahoma tornado]]. At least one ''fatality'' occurred at each overpass, and virtually everyone that managed to survive suffered moderate to life-threatening injury, including compound fractures and shattered bones, lost fingers, lost ears, lost noses, and impalement by pieces of shingles, 2x4s, etc.
*** '''Why does this myth persist?''' It most likely runs on two things: the fact that overpasses themselves survive tornadoes and the
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*** '''DO NOT LEAVE YOUR HOUSE!''' Unless you are in a mobile home OR the tornado is already wiping fixed structures from their foundations elsewhere, your best bet is to stay put. Leaving a fixed structure will only '''increase''' the chances of you getting killed in anything below an EF5. A storm capable of spawning a tornado will also be capable of producing rain in mass quantities, high winds, and hail. Flash floods are also possible.
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*** '''DO NOT LEAVE YOUR HOUSE!''' Unless you are in a mobile home OR the tornado is already wiping fixed structures from their foundations elsewhere, your best bet is to stay put. Leaving a fixed structure will only '''increase''' the chances of you getting killed in anything below an EF5.[=EF5=]. A storm capable of spawning a tornado will also be capable of producing rain in mass quantities, high winds, and hail. Flash floods are also possible.
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** Although it depends on a variety of factors, the most commonly associated sound is a low and steady rumbling sound, often compared to the noise of a passing freight train.
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** Although it depends on a variety of factors, the most commonly associated sound is a low and steady rumbling sound, often compared to the noise of a passing freight train. For comparison, imagine a particularly windy day, then imagine it about '''50 times louder.'''
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* '''How do we track a tornado?'''
** Detecting, and tracking, a tornado starts where any severe weather detection typically starts: The weather station. Perhaps the one good thing about a tornado is that, as ''massive'' as they are, the clouds, rain, and hail that form around them means they can show up pretty clearly on a weather radar, and there are several key features that can be used to identify tornadic (yes, that's a word) activity, though the biggest indicator is an obvious rotation of the storm front around a relatively small point on the map.
** Outside the weather station, "Storm Chasers" gear up, heading to points of interest where a tornado may be forming, often in hopes of getting weather measurements and possibly even catching footage of the funnel touching down, confirming the presence of an active tornado so that the public may be warned.
** Once a tornado is confirmed and underway, the weather stations and storm chasers will continue to follow, track, and observe the tornado with a combination of weather readouts, live footage, and radar signatures, so that the public can be kept updated as much as possible to the tornado's path and what communities may be at risk.
** Of course, all of this is not 100 percent perfect; tornadoes are ''dangerously'' unpredictable, and have been known to take sudden turns, unexpectedly increase or decrease their speed across the ground, and even ''reverse their direction of travel'' at any given moment. Storm Chasers have to have nerves of steel and almost always be watching the storm for these sudden changes, lest ''they'' end up being chased. In truth, ''nobody'' in the relative path of a tornado is safe until the tornado itself has dissipated, but still, ''any'' warning is better than no warning at all.
** Detecting, and tracking, a tornado starts where any severe weather detection typically starts: The weather station. Perhaps the one good thing about a tornado is that, as ''massive'' as they are, the clouds, rain, and hail that form around them means they can show up pretty clearly on a weather radar, and there are several key features that can be used to identify tornadic (yes, that's a word) activity, though the biggest indicator is an obvious rotation of the storm front around a relatively small point on the map.
** Outside the weather station, "Storm Chasers" gear up, heading to points of interest where a tornado may be forming, often in hopes of getting weather measurements and possibly even catching footage of the funnel touching down, confirming the presence of an active tornado so that the public may be warned.
** Once a tornado is confirmed and underway, the weather stations and storm chasers will continue to follow, track, and observe the tornado with a combination of weather readouts, live footage, and radar signatures, so that the public can be kept updated as much as possible to the tornado's path and what communities may be at risk.
** Of course, all of this is not 100 percent perfect; tornadoes are ''dangerously'' unpredictable, and have been known to take sudden turns, unexpectedly increase or decrease their speed across the ground, and even ''reverse their direction of travel'' at any given moment. Storm Chasers have to have nerves of steel and almost always be watching the storm for these sudden changes, lest ''they'' end up being chased. In truth, ''nobody'' in the relative path of a tornado is safe until the tornado itself has dissipated, but still, ''any'' warning is better than no warning at all.
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*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, nor vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. As mentioned above, while heavy rain or hail can be a telltale sign that you're in the middle of a tornado-producing storm, don't assume that the danger has passed just because the rain and hail stopped, ''especially'' if it stops suddenly.
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*** '''False''': '''True and False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, nor vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. As mentioned above, while heavy rain or hail can be a telltale sign that you're in the middle of a tornado-producing storm, don't assume that the danger has passed just because the rain and hail stopped, ''especially'' if it stops suddenly.
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** '''A good sign that a tornado is near is that it starts hailing.'''
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, and vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. Don't assume you're out of danger just because the rain and hail stopped.
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, and vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. Don't assume you're out of danger just because the rain and hail stopped.
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** '''A good clear sign that a tornado is near is that it starts hailing.'''
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones,and nor vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. Don't assume As mentioned above, while heavy rain or hail can be a telltale sign that you're out in the middle of a tornado-producing storm, don't assume that the danger has passed just because the rain and hail stopped.stopped, ''especially'' if it stops suddenly.
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones,
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** '''Tornadoes only happen in Tornado Alley/flat plains regions.'''
*** '''''EXTREMELY FALSE''''': As mentioned above, a tornado can happen '''''anywhere,''''' whether in Tornado Alley, in the mountains, Europe, Kalamazoo, your grandma's house, etc. Even the ''ocean'' isn't safe from tornadoes, though they typically go by "waterspouts" when on water.
*** '''''EXTREMELY FALSE''''': As mentioned above, a tornado can happen '''''anywhere,''''' whether in Tornado Alley, in the mountains, Europe, Kalamazoo, your grandma's house, etc. Even the ''ocean'' isn't safe from tornadoes, though they typically go by "waterspouts" when on water.
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I've seen that rumor making the circulations before, so I believe it's worth putting down.
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** '''A good sign that a tornado is near is that it starts hailing.'''
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, and vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. Don't assume you're out of danger just because the rain and hail stopped.
*** '''False''': While severe weather systems that produce tornadoes may also produce hailstones, a tornado does not equal hailstones, and vice versa. In fact, many storm chasers have reported the rain and hail actually letting up the closer they got to the tornado itself. Don't assume you're out of danger just because the rain and hail stopped.
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*** '''False:''' Tornadoes are in no way hindered by the terrain. There are several cases of tornadoes crossing rivers, going over hills, crossing valleys, and even ''climbing mountains.'' Again, the terrain does nothing.
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*** '''False:''' While ground features such as mountains, valleys and forested areas may disperse and redirect the wind, Tornadoes themselves are in no way hindered by the terrain. There are several cases of tornadoes crossing rivers, going over hills, crossing valleys, and even ''climbing mountains.'' Again, the terrain does nothing.
nothing. Some places, like forests and mountains, are arguably even ''more'' dangerous during a tornado because of the risk posed by falling trees and other debris dislodged by the high winds.
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*** '''DO NOT''' ignore the watch, just because the weather is clear at that moment. A tornado-producing storm can form ''extremely'' quickly with the right weather conditions, sometimes within the span of a single ''hour'', and many watches are issued while conditions are still relatively mild or even when the ''sun is shining and the skies are blue'' above you. Even if it is a mistake, just assume the watch is legitimate until you hear otherwise. '''Be ready.'''
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*** '''DO NOT''' ignore the watch, just because the weather is clear at that moment. A tornado-producing storm can form and/or move into the area ''extremely'' quickly with the right weather conditions, sometimes within the span of a single ''hour'', and many watches are issued while conditions are still relatively mild or even when the ''sun is shining and the skies are blue'' above you. Even if it is a mistake, just assume the watch is legitimate until you hear otherwise. '''Be ready.'''
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Looks like last week's "quad-state tornado" was actually more than one.
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*** '''False:''' [[http://en.wikipedia.org/wiki/List_of_tornadoes_striking_downtown_areas Yes, they absolutely can.]] It's rare since the odds of a tornado hitting any one particular area is a complete game of chance, but it is still possible. See the Costliest Tornado below, which was costly ''because'' it hit a downtown area.
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*** '''False:''' [[http://en.wikipedia.org/wiki/List_of_tornadoes_striking_downtown_areas org/wiki/List_of_tornadoes_striking_downtown_areas_of_large_cities Yes, they absolutely can.]] It's rare since the odds of a tornado hitting any one particular area is a complete game of chance, but it is still possible. See the Costliest Tornado below, which below; the current record holder was costly ''because'' it hit a downtown area.
* '''Most Prolific Tornado Outbreak'''
** Defining "most prolific" as the most tornadoes in the shortest time span, the most prolific outbreak was the November 23, '''1981 United Kingdom outbreak''', which saw 104 tornadoes touch down in England and Wales in ''5 hours, 26 minutes''. Most of the tornadoes were weak, but still caused significant damage (though thankfully no deaths).
** Defining "most prolific" as the most tornadoes in the shortest time span, the most prolific outbreak was the November 23, '''1981 United Kingdom outbreak''', which saw 104 tornadoes touch down in England and Wales in ''5 hours, 26 minutes''. Most of the tornadoes were weak, but still caused significant damage (though thankfully no deaths).
** There's a very good chance that the December 10, 2021 '''Western Kentucky tornado''', which traveled more than 160 miles through the state, will break this record. While damage estimates are ongoing, nearly ''75%'' of the small town of Dawson Springs (population about 2,500) was wiped off the map, and more than half of the considerably larger town of Mayfield (population about 10,000) suffered major to catastrophic damage.
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** However, it's possible that a December 10–11, 2021 tornado that's being called the '''Quad-State Tornado''' may surpass this record. Initial reports indicate that this tornado may have traveled over 230 miles in about 4 hours, starting in Arkansas, crossing into Missouri, then crossing the Mississippi into Tennessee before cutting a long path through the western half of Kentucky.
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*** You should also have digging tools (at least a strong shovel and thick work gloves) in your shelter space in case you need to dig yourself out, and a whistle or air horn or other loud alarm device to get attention for others to help you dig out. If you can't fit digging tools (you're in a bathtub under a mattress, for example) make sure to have that whistle or air horn in your space next to you, and in a way where you will not have to move to use it if you are trapped. While stocking tools in your emergency kit, you should also include a plumber's wrench (the most common tool used to shut off gas lines) and learn how to use it to turn off a potentially leaking gas line or a broken water supply flooding a basement.
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*** You should also have digging tools (at least a strong shovel and thick work gloves) in your shelter space in case you need to dig yourself out, and a whistle or whistle, air horn horn, or other loud alarm device devices to get attention for others to help you dig out. If you can't fit digging tools (you're in a bathtub under a mattress, for example) make sure to have that whistle or air horn in your space next to you, and in a way where you will not have to move to use it if you are trapped. While stocking tools in your emergency kit, you should also include a plumber's wrench (the most common tool used to shut off gas lines) and learn how to use it to turn off a potentially leaking gas line or a broken water supply flooding a basement.basement.
**** Fallout shelters are ''excellent'' for this situation, for obvious reasons.
**** Fallout shelters are ''excellent'' for this situation, for obvious reasons.
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Removed ROCEJ sinkhole as per discussion
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** This label is an infamous matter of opinion (especially on storm chaser forums) since one person's definition of "most destructive" varies from another's, especially when you take fatalities, damage to physical structures, speed, and so on into account, so [[Administrivia/RuleOfCautiousEditingJudgment in the interest of not starting a flame war]], we won't be giving our opinion on this page. That being said, those aforementioned variables (among others) ''do'' have records that aren't contested or disputed as of this writing, so they will be listed below.
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** This label is an infamous matter of opinion (especially on storm chaser forums) since one person's definition of "most destructive" varies from another's, especially when you take fatalities, damage to physical structures, speed, and so on into account, so [[Administrivia/RuleOfCautiousEditingJudgment in the interest of not starting a flame war]], keeping things civil, we won't be giving our opinion on this page. That being said, those aforementioned variables (among others) ''do'' have records that aren't contested or disputed as of this writing, so they will be listed below.
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Updates on outbreak records.
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** The April 25–28, '''2011 Super Outbreak'''. This outbreak consisted of 127 [=EF0s=], 147 [=EF1s=], 50 [=EF2s=], 22 [=EF3s=], 11 [=EF4s=], and 4 [=EF5s=], for a grand total of 358 tornadoes. Tornadoes were reported from Texas all the way north through to Michigan, New York, and even into Ontario. It also set the record for most tornadoes recorded in a 24-hour period in a single outbreak, with 216 touching down on April 27.
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** The April 25–28, '''2011 Super Outbreak'''. This outbreak consisted of 127 134 [=EF0s=], 147 140 [=EF1s=], 50 49 [=EF2s=], 22 [=EF3s=], 11 [=EF4s=], and 4 [=EF5s=], for a grand total of 358 360 tornadoes. Tornadoes were reported from Texas all the way north through to Michigan, New York, and even into Ontario. It also set the record records for most tornadoes recorded in on a single calendar day and any 24-hour period in a single outbreak, with outbreak. Measured by US Central Time, 216 touching touched down on April 27.27, and 219 touched down from 12:40 am on April 27 to 12:40 am on April 28.
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** Defining "most violent" as the one with the highest number of tornadoes of [=F4/EF4=] or greater, this record belongs to the ''previous'' holder of the record for largest outbreak: the April 3–4, '''1974 Super Outbreak'''. Of the 147[[labelnote:*]]The original count was 148, but later studies reclassified one as a microburst.[[/labelnote]] tornadoes recorded in 13 US states and Ontario, 23 were [=F4s=] and 7 were [=F5s=]. Forecasters had so much trouble keeping up with the activity that at one point, they placed the entire state of Indiana under a tornado warning—the first and only statewide warning in US history.
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** Defining "most violent" as the one with the highest number of tornadoes of [=F4/EF4=] [=F3/EF3=] or greater, this record belongs to the ''previous'' holder of the record for largest outbreak: the April 3–4, '''1974 Super Outbreak'''. Of the 147[[labelnote:*]]The original count was 148, but later studies reclassified one as a microburst.[[/labelnote]] tornadoes recorded in 13 US states and Ontario, 34 were [=F3s=], 23 were [=F4s=] and 7 were [=F5s=]. Forecasters had so much trouble keeping up with the activity that at one point, they placed the entire state of Indiana under a tornado warning—the first and only statewide warning in US history.
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Possible new record for longest tornado track.
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** '''The Tri-State Tornado''', March 18, 1925. This tornado traveled over 219 miles, started in Missouri before crossing the border into Illinois and then passing into Indiana. In all it cut through three states (hence the name) in a time span of 3 and a half hours.
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** '''The Tri-State Tornado''', March 18, 1925. This tornado traveled over 219 miles, started in Missouri before crossing the border Mississippi River into Illinois and then passing into Indiana. In all it cut through three states (hence the name) in a time span of 3 and a half hours.hours.
** However, it's possible that a December 10–11, 2021 tornado that's being called the '''Quad-State Tornado''' may surpass this record. Initial reports indicate that this tornado may have traveled over 230 miles in about 4 hours, starting in Arkansas, crossing into Missouri, then crossing the Mississippi into Tennessee before cutting a long path through the western half of Kentucky.
** However, it's possible that a December 10–11, 2021 tornado that's being called the '''Quad-State Tornado''' may surpass this record. Initial reports indicate that this tornado may have traveled over 230 miles in about 4 hours, starting in Arkansas, crossing into Missouri, then crossing the Mississippi into Tennessee before cutting a long path through the western half of Kentucky.
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*** '''DO NOT''' ignore the watch, just because the weather is clear at that moment. A tornado-producing storm can form ''extremely'' quickly with the right weather conditions, sometimes within the span of a single ''hour'', and many watches are issued while the weather is still relatively mild or even when the ''sun is shining and the skies are blue'' above you. Even if it is a mistake, just assume the watch is legitimate until you hear otherwise. '''Be ready.'''
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*** '''DO NOT''' ignore the watch, just because the weather is clear at that moment. A tornado-producing storm can form ''extremely'' quickly with the right weather conditions, sometimes within the span of a single ''hour'', and many watches are issued while the weather is conditions are still relatively mild or even when the ''sun is shining and the skies are blue'' above you. Even if it is a mistake, just assume the watch is legitimate until you hear otherwise. '''Be ready.'''
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form. Oftentimes, this can be issued even with ''blue skies and the sun shining'', because of just how quickly a tornado-producing thunderstorm can form in the right conditions. '''Do not''' disregard a watch just because you don't see a cloud in the sky.
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form. Oftentimes, this can be issued even with ''blue skies and the sun shining'', because of just how quickly a tornado-producing thunderstorm can form in the right conditions. '''Do not''' disregard a watch just because you don't see a cloud in the sky.
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*** '''DO NOT''' ignore the watch, just because the weather is clear at that moment. A tornado-producing storm can form ''extremely'' quickly with the right weather conditions, sometimes within the span of a single ''hour'', and many watches are issued while the weather is still relatively mild or even when the ''sun is shining and the skies are blue'' above you. Even if it is a mistake, just assume the watch is legitimate until you hear otherwise. '''Be ready.'''
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form. Oftentimes, this can be issued even with ''blue skies and the sun shining'', because of just how quickly a tornado=producing thunderstorm can form in the right conditions. '''Do not''' disregard a watch just because you don't see a cloud in the sky.
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form. Oftentimes, this can be issued even with ''blue skies and the sun shining'', because of just how quickly a tornado=producing tornado-producing thunderstorm can form in the right conditions. '''Do not''' disregard a watch just because you don't see a cloud in the sky.
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form.
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** '''Tornado Watch:''' A Tornado Watch is issued when conditions are ripe for a tornado to form. Oftentimes, this can be issued even with ''blue skies and the sun shining'', because of just how quickly a tornado=producing thunderstorm can form in the right conditions. '''Do not''' disregard a watch just because you don't see a cloud in the sky.
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*** originate from a supercell thunderstorm
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*** originate from contact the base of a supercell thunderstormcumulonimbus cloud
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* TheOtherWiki has an extensive page on [[tornado myths https://en.wikipedia.org/wiki/Tornado_myths]].
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* TheOtherWiki Wikipedia has an extensive page on [[tornado myths https://en.[[https://en.wikipedia.org/wiki/Tornado_myths]].org/wiki/Tornado_myths tornado myths]].
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* TheOtherWiki has an extensive page on [[tornado myths https://en.wikipedia.org/wiki/Tornado_myths]].
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Also, the US and Canada (and northern Mexico) aren't the only parts of the world that see tornadoes. The country with the highest number of tornadoes per unit area? It's either the ''Netherlands'' or the ''UK'', depending on the source. Other parts of the world that see reasonably frequent tornadoes are the rest of Europe, South Africa, the Río de la Plata basin in South America, the Ganges River basin of South Asia, coastal East Asia, the Philippines, Australia, and New Zealand.
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Also, the US and Canada (and northern Mexico) aren't the only parts of the world that see tornadoes. The country with the highest number of tornadoes per unit area? It's either the ''Netherlands'' or the ''UK'', depending on the source. Other parts of the world that see reasonably frequent tornadoes are the rest of Europe, South Africa, the Río de la Plata basin in South America, the Ganges River basin of South Asia, coastal East Asia, eastern China, Japan, Korea, the Philippines, Australia, and New Zealand.
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"There are no tornadoes in...": Added that North America isn't the only part of the world that gets tornadoes.
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*** '''FALSE.''' In the US alone, every single state has recorded at least two tornadoes since 1950 (Alaska is the "two"). While this is a half-truth in that ''generally,'' tornadoes, say, in California are rare and generally under [=EF2=] if that, they can and do happen there, and weaker tornadoes aren't nothing to ignore especially in areas unprepared for them, because said areas often have more glass in more places, weaker building codes for wind, and the like. An [=EF0=] or [=EF1=] that becomes a whirlwind of glass in a populated open area with no one sheltering can be as if not more deadly than an [=EF3=] with everyone in proper shelters or that only hits vacant areas.
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*** '''FALSE.''' In the US alone, every single state has recorded at least two tornadoes since 1950 (Alaska is the "two"). While this is a half-truth in that ''generally,'' tornadoes, say, in California are rare and generally under [=EF2=] if that, they can and do happen there, and weaker tornadoes aren't nothing to ignore especially in areas unprepared for them, because said areas often have more glass in more places, weaker building codes for wind, and the like. An [=EF0=] or [=EF1=] that becomes a whirlwind of glass in a populated open area with no one sheltering can be as if not more deadly than an [=EF3=] with everyone in proper shelters or that only hits vacant areas.\\
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Also, the US and Canada (and northern Mexico) aren't the only parts of the world that see tornadoes. The country with the highest number of tornadoes per unit area? It's either the ''Netherlands'' or the ''UK'', depending on the source. Other parts of the world that see reasonably frequent tornadoes are the rest of Europe, South Africa, the Río de la Plata basin in South America, the Ganges River basin of South Asia, coastal East Asia, the Philippines, Australia, and New Zealand.
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Also, the US and Canada (and northern Mexico) aren't the only parts of the world that see tornadoes. The country with the highest number of tornadoes per unit area? It's either the ''Netherlands'' or the ''UK'', depending on the source. Other parts of the world that see reasonably frequent tornadoes are the rest of Europe, South Africa, the Río de la Plata basin in South America, the Ganges River basin of South Asia, coastal East Asia, the Philippines, Australia, and New Zealand.
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** The '''2011 Super Outbreak''', April 25-28, 2011. This outbreak consisted of 127 [=EF0s=], 147 [=EF1s=], 50 [=EF2s=], 22 [=EF3s=], 11 [=EF4s=], and 4 [=EF5s=], for a grand total of 358 tornadoes. Tornadoes were reported from Texas all the way north through to Michigan, New York, and even into Ontario. It also set the record for most tornadoes recorded in a 24-hour period in a single outbreak, with 216 touching down on April 27.
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** The April 25–28, '''2011 Super Outbreak''', April 25-28, 2011.Outbreak'''. This outbreak consisted of 127 [=EF0s=], 147 [=EF1s=], 50 [=EF2s=], 22 [=EF3s=], 11 [=EF4s=], and 4 [=EF5s=], for a grand total of 358 tornadoes. Tornadoes were reported from Texas all the way north through to Michigan, New York, and even into Ontario. It also set the record for most tornadoes recorded in a 24-hour period in a single outbreak, with 216 touching down on April 27.
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** '''The winds of a tornado are exclusively located within the funnel cloud. DoNotTouchTheFunnelCloud.'''
*** '''False:''' The funnel cloud is only the center of the tornado, the winds themselves extend ''well'' outside the funnel cloud, which is why it's not uncommon to see a debris cloud extending beyond the funnel cloud (case in point, the page image). The funnel cloud is simply the part of the tornado where the pressure drops low enough for water vapor to condense.
*** '''False:''' The funnel cloud is only the center of the tornado, the winds themselves extend ''well'' outside the funnel cloud, which is why it's not uncommon to see a debris cloud extending beyond the funnel cloud (case in point, the page image). The funnel cloud is simply the part of the tornado where the pressure drops low enough for water vapor to condense.
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** '''The winds of a tornado are exclusively located within the "suck zone" of the funnel cloud. DoNotTouchTheFunnelCloud.'''
*** '''False:''' The funnel cloud is only thecenter of the tornado, the winds themselves extend center. The tornado proper extends ''well'' outside the funnel cloud, which is why it's not uncommon to see a debris cloud extending beyond which is much wider than the funnel cloud (case in point, the page image). The funnel cloud is simply the part of the tornado where the pressure drops low enough for water vapor to condense.
*** '''False:''' The funnel cloud is only the
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*** '''False:''' See the definition of a tornado.
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*** '''False:''' See the definition Tornadoes are areas of a tornado.rotating ''horizontal'' winds.
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Tornadoes are quite possibly the most spectacular and destructive of all meteorological phenomena. They are taller than skyscrapers and wider than football fields. Despite their size, they can move very fast. Although they’re made of just air and water, their erratic movement and the capricious nature of their destructiveness can at times make them seem to be driven by an inscrutable will of their own beyond the ken of mortal Man. The way they twist and writhe as they move adds to this illusion of life. They are surrounded by myths of both the urban and traditional variety. As far as observable natural phenomena go, tornadoes are probably the closest things in real life to {{Eldritch Abomination}}s. Thus, it is quite popular for them to show up in fiction.
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Tornadoes are quite possibly the most spectacular and destructive of all meteorological phenomena. They are taller than skyscrapers and wider than football fields. Despite their size, they can move very fast. Although they’re made of just air and water, their erratic movement and the capricious nature of their destructiveness can at times make them seem to be driven by an inscrutable will of their own beyond the ken of mortal Man.man. The way they twist and writhe as they move adds to this illusion of life. They are surrounded by myths of both the urban and traditional variety. As far as observable natural phenomena go, tornadoes are probably the closest things in real life to {{Eldritch Abomination}}s. Thus, Thus it is quite popular common for them to show up in fiction.
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** It varies a lot really, but as for their shape, there are three common categories: [[http://farm6.static.flickr.com/5100/5429846368_b97410edea_o.jpg Rope]], [[https://goo.gl/images/RHCxtZ Stovepipe]], and [[http://www.sky-chaser.com/image/mwcl2013/m14tor14.jpg Wedge]]. A tornado will often change shape during its existence, and most will eventually end up as a rope tornado near the end (this is called "Roping Out"). Their color depends on two factors, the color of whatever the tornado picks up, and the direction it is viewed from. A tornado's funnel cloud is not always clearly visible either -- it can be blocked from sight by the rain falling from the associated thunderstorm ("rain-wrapped") or simply not dense enough to see easily. That's right. There is such a thing as an [[InvisibleMonsters ''invisible tornado'']].
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** It varies a lot really, but as for their shape, there are three common categories: [[http://farm6.static.flickr.com/5100/5429846368_b97410edea_o.jpg Rope]], [[https://goo.gl/images/RHCxtZ Stovepipe]], and [[http://www.sky-chaser.com/image/mwcl2013/m14tor14.jpg Wedge]]. A tornado will often change shape during its existence, and most will eventually end up as a rope tornado near the end (this is called "Roping Out"). Their color depends on two factors, the color of whatever the tornado picks up, and the direction it is viewed from. A tornado's funnel cloud is not always clearly visible either -- it can be blocked from sight by the rain falling from the associated thunderstorm ("rain-wrapped") or simply not dense enough to see easily. That's right. There is such a thing as an [[InvisibleMonsters ''invisible tornado'']].''[[InvisibleMonsters invisible tornado]]''.
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[[quoteright:332:https://static.tvtropes.org/pmwiki/pub/images/TORNADO_1_5195.jpg]]
[[caption-width-right:332:It can kill you. Still [[TheWorldIsJustAwesome looks incredibly cool]], though.]]
[[caption-width-right:332:It can kill you. Still [[TheWorldIsJustAwesome looks incredibly cool]], though.]]
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[[quoteright:332:https://static.tvtropes.org/pmwiki/pub/images/TORNADO_1_5195.jpg]]
[[caption-width-right:332:It can kill you. Still [[TheWorldIsJustAwesome looks incredibly cool]], though.]]
[[caption-width-right:332:It can kill you. Still [[TheWorldIsJustAwesome looks incredibly cool]], though.]]
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** '''The Tri-State Tornado''', March 18, 1925. This tornado was not only long-lived and powerful, but also [[Main/FromBadToWorse ''fast'']], with a forward speed of 73 mph.
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** '''The Tri-State Tornado''', March 18, 1925. This tornado was not only long-lived and powerful, but also [[Main/FromBadToWorse ''fast'']], ''[[FromBadToWorse fast]]'', with a forward speed of 73 mph.
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** It varies a lot really, but as for their shape, there are three common categories: [[http://farm6.static.flickr.com/5100/5429846368_b97410edea_o.jpg Rope]], [[https://goo.gl/images/RHCxtZ Stovepipe]], and [[http://www.sky-chaser.com/image/mwcl2013/m14tor14.jpg Wedge]]. A tornado will often change shape during its existence, and most will eventually end up as a rope tornado near the end (this is called "Roping Out"). Their color depends on two factors, the color of whatever the tornado picks up, and the direction it is viewed from. A tornado's funnel cloud is not always clearly visible either -- it can be blocked from sight by the rain falling from the associated thunderstorm ("rain-wrapped") or simply not dense enough to see easily. That's right. There is such a thing as an ''invisible tornado''.
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** It varies a lot really, but as for their shape, there are three common categories: [[http://farm6.static.flickr.com/5100/5429846368_b97410edea_o.jpg Rope]], [[https://goo.gl/images/RHCxtZ Stovepipe]], and [[http://www.sky-chaser.com/image/mwcl2013/m14tor14.jpg Wedge]]. A tornado will often change shape during its existence, and most will eventually end up as a rope tornado near the end (this is called "Roping Out"). Their color depends on two factors, the color of whatever the tornado picks up, and the direction it is viewed from. A tornado's funnel cloud is not always clearly visible either -- it can be blocked from sight by the rain falling from the associated thunderstorm ("rain-wrapped") or simply not dense enough to see easily. That's right. There is such a thing as an [[InvisibleMonsters ''invisible tornado''.tornado'']].
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** '''The Tri-State Tornado''', March 18, 1925. This tornado was not only long-lived but ''fast'' at 73 mph.
*** An honorable mention has to be given to the aforementioned 2013 El Reno tornado. While the tornado itself had a forward velocity of 55 mph, some of the subvortices traveling along its southern edge were clocked in excess of 100 mph.
*** An honorable mention has to be given to the aforementioned 2013 El Reno tornado. While the tornado itself had a forward velocity of 55 mph, some of the subvortices traveling along its southern edge were clocked in excess of 100 mph.
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** '''The Tri-State Tornado''', March 18, 1925. This tornado was not only long-lived and powerful, but ''fast'' at also [[Main/FromBadToWorse ''fast'']], with a forward speed of 73 mph.
*** An honorable mention has to be given to the aforementioned 2013 El Reno tornado. While the tornado itself had a forward velocity of 55 mph, some of the subvortices traveling along its southern edge were clocked in excess of [[Main/SuperSpeed 100 mph.]]
*** An honorable mention has to be given to the aforementioned 2013 El Reno tornado. While the tornado itself had a forward velocity of 55 mph, some of the subvortices traveling along its southern edge were clocked in excess of [[Main/SuperSpeed 100 mph.]]
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The Tri-State Tornado is also responsible for the most deaths in a single city and at a single school by such a storm in the US.
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*** '''The Tri-State Tornado''', March 18, 1925. 695 people were killed by this tornado.
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*** '''The Tri-State Tornado''', March 18, 1925. 695 people were killed by this tornado.tornado, whose path ran through Missouri, Illinois, and Indiana. The Illinois phase was responsible for record fatalities in a single city (234 in Murphysboro) and a single school (33 at the De Soto School in De Soto).
