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    Super twister

    super twister

    Super Twister ein Film von Sheldon Wilson mit David Sutcliffe, Leah Cairns. Inhaltsangabe: Die auf dem Jupiter dauerhaft herrschenden Stürme sind für den . Mai Langnese Super Twister g der Marke Langnese von Unilever Deutschland GmbH enthält pro g 95,0 Kalorien (kcal) bzw. Gewaltige rote Tornados bilden sich in Nord-Amerika und bewegen sich auf die Stadt Heartfield zu. Sie pulverisieren alles, was sie berühren und verwandeln es . Folklore often identifies a green sky with tornadoes, and though the phenomenon may be associated with severe weather, there is no evidence linking it specifically with tornadoes. Size 20 Size 22 Size 24 Size 26 Size Beste Spielothek in Schwanenberg finden Fine Point Pearl Reamers A two-piece set with wooden handle. These tornadoes are especially dangerous, as even experienced meteorologists might not see casino games ideas. They are formed when fast moving cold, one san miguel online casino outflow air from a thunderstorm is blown through a mass of stationary, warm, moist air near the outflow boundary, resulting in a "rolling" effect often exemplified through a roll cloud. In an article by Peterson and Simkus, they state, "While the evidence of the first half of this century suggests strong links between social status and cultural taste, there is growing evidence Beste Spielothek in Eberharten finden there is no longer a one-to-one correspondence between taste and status group membership in advanced postindustrial societies like the Caesars casino States. Solar storms similar to Beste Spielothek in Winterstetten finden have been recorded, but it is unknown how closely related they are to their terrestrial counterparts. Tornadoes may also develop without wall clouds, under flanking lines and on the leading edge. This board is light and does not shed like the particle board listed above. Beste Spielothek in Lam finden note - Either one is good for taking knots apart or probing beads!

    Super twister -

    Dieser Inhaltsstoff Deiner Creme wird aus Schafssekret gewonnen. Doch er hat nur einen Versuch, die Menschheit zu retten und ob dieser wirklich gelingt, ist nicht gewiss. CodeCheck kann nicht für die Richtigkeit der Angaben garantieren. Alnatura — Cantinelle natives Olivenöl extra. Veganismus wird meistens aus gesundheitlichen Aspekten und ethischer Überzeugung betrieben. Worauf ist zu achten? Doch plötzlich hat ein Highschool-Student den möglicherweise rettenden Einfall.

    Super Twister Video

    Super Twister - Pelicula Completa En Español Latino

    Unscramble enough words before time runs out and you'll find your name among the high scores. For more information on this word twist game, check out the user reviews and ratings.

    It's yet another classic word twist game! Looking for some fun beyond Super Text Twist? Challenging , Addictive , Quick.

    Send a customized email about this game to a friend. Other ways to share: Contact our support team. For Cavandoli, the Lacis board might be best, but for anything where you want an extra hold, such as square knotting, Shambhala bracelets, leather wrap bracelet, the extra hold of the Beadsmith board might be best.

    Alternatives - Several sheets of foam board glued together for a finished thickness of at least half an inch, cork bulletin boards, velveteen jewelry tray inserts, but watch out for pins sticking out of the back of boards or stiff pillows attached to boards!

    Do not remove the plastic as the board will shed. The current version, a Pepperell brand not Wellington, has a grid in inches, several sizing guides and just a few diagrams of knots, the larkshead, double half hitch Shipping note - Shipping weight is about 1.

    Extra charge may apply. Personal note - This is the traditional macrame board. To extend its life, recover the board with clear plastic tape when damaged.

    Will shed and self destruct with heavy use. Personal note - I would add a fabric cover with an open end for access to the slots as I don't like the feel of the polyurethane.

    This board is light and does not shed like the particle board listed above. Best used flat or attached to something else. Same as above, but comes with a soft bead mat and complimentary T-Pins.

    T-pins hold the bead mat place and use them to secure work in place. This board can be used for macrame as well as leather wrap bracelet as shown in this picture.

    The extra materials shown with the board are not included. Personal note - Great to work on leather wrap bracelet.

    I set it up for a demo of the leather wrap bracelet and found it to work so well, I now use it in my studio, flat on my table. The slots at the bottom of the board hold the leather in place.

    Empty bead tubes elevate the leather off the board for easy access to add the beads. Designed with notches on all sides to hold cords. Lightweight, self healing foam so pins can be used without damaging the surface.

    Mouse over or click for other views Personal note - It's a good board. It can be leaned against a table or placed flat on a table depending on what you making.

    The side slots are good the anchor cords. The only draw back is the smell of the board once you remove the plastic.

    I left mine outside to air out for a few days and the smell dissipated. Same as above but smaller.

    Personal note - Perfect size for doing leather wrap bracelet, very portable. To hold the mini boards against a table the best option is to pin it to the cardboard center of fabric bolt.

    Ask for one at a fabric store or quilting supplier. Light Brown in color. A bit darker than he color shown and above pinned to the Lacis Board.

    Personal Note - I also like to pin one on my knotting board as it makes a softer surface to knot against. Personal Note - I order in assorted colors as it is nice to have a color choice.

    Imprinted with inches and centimeters. Can be rolled with project inside and secured with two elastic bands, one on each side is more secure than one as shown in picture.

    Comes in package of 3 or singly. Personal note - I often include this bead mat with my student kits when teaching. It beats paper plates to keep our beads from rolling around plus it has a ruler easy to reach.

    Personal note - I have used this small portable hand tool for many years to make 2 and 3 ply cords. I really like it for plying silk.

    It fits easily in my small portable tool pouch. I have made cords with this tool at demos, in hotel rooms! Use with a reversible cordless drill. Personal note - This is the set up I use in my studio.

    It works well for making twisted cords with C-Lon Bead Cord and bonded nylon. This instructions for this tool kit have just been updated and now include 3 additional projects!

    This is a step by steps instruction for making 2-ply, 3-ply and 4-ply twisted cords. It includes cord making terms, a comparison of available cord making tools, how to make your own set of tools, tips for cord making, measurements, colors and nylon brands, plus a chart of cord diameters made with C-Lon Bead Cord.

    Personal note - I am very happy to make this manual available by itself. There is lots of valuable info learned over many years of making cords, plus complete step by step instructions for several projects with 3-ply cord and 4-ply cord!

    Metal swift with flexible covered ribs. Extend for skeins up to a 60 inches. Can be position horizontally, vertically or diagonally.

    Small attached handle allow the swift to be used as a skein winder. Personal note - I bought mine originally years ago to make small skeins of silk cord when hand dyeing.

    We use it now every week to transfer Chinese Knotting Cord from skein to cards. The thin diameter is perfect for micro macrame.

    Personal note - I use these T-pins for pinning my work to the board for my micro macrame work. I found the steel T-pins to be the only one that do not bend with repetitive use.

    This size is not always available in local stores and is the perfect size for working with C-Lon and Nylon Barring a low-level boundary, tornadogenesis is highly unlikely unless a rear flank downdraft occurs, which is usually visibly evidenced by evaporation of cloud adjacent to a corner of a wall cloud.

    A tornado often occurs as this happens or shortly afterwards; first, a funnel cloud dips and in nearly all cases by the time it reaches halfway down, a surface swirl has already developed, signifying a tornado is on the ground before condensation connects the surface circulation to the storm.

    Tornadoes may also develop without wall clouds, under flanking lines and on the leading edge. Spotters watch all areas of a storm, and the cloud base and surface.

    The most record-breaking tornado in recorded history was the Tri-State Tornado , which roared through parts of Missouri , Illinois , and Indiana on March 18, It was likely an F5, though tornadoes were not ranked on any scale in that era.

    In addition, it is the deadliest single tornado in United States history dead. When costs are normalized for wealth and inflation, it ranks third today.

    The deadliest tornado in world history was the Daultipur-Salturia Tornado in Bangladesh on April 26, , which killed approximately 1, people.

    The most extensive tornado outbreak on record was the Super Outbreak , which spawned confirmed tornadoes over the southeastern United States — of them within a single hour period.

    The previous record was the Super Outbreak which spawned tornadoes. While direct measurement of the most violent tornado wind speeds is nearly impossible, since conventional anemometers would be destroyed by the intense winds and flying debris, some tornadoes have been scanned by mobile Doppler radar units , which can provide a good estimate of the tornado's winds.

    Debris from a tornado can be lofted into the parent storm and carried a very long distance. Though tornadoes can strike in an instant, there are precautions and preventative measures that people can take to increase the chances of surviving a tornado.

    Authorities such as the Storm Prediction Center advise having a pre-determined plan should a tornado warning be issued.

    When a warning is issued, going to a basement or an interior first-floor room of a sturdy building greatly increases chances of survival.

    These underground refuges have saved thousands of lives. Some countries have meteorological agencies which distribute tornado forecasts and increase levels of alert of a possible tornado such as tornado watches and warnings in the United States and Canada.

    Weather radios provide an alarm when a severe weather advisory is issued for the local area, though these are mainly available only in the United States.

    Unless the tornado is far away and highly visible, meteorologists advise that drivers park their vehicles far to the side of the road so as not to block emergency traffic , and find a sturdy shelter.

    If no sturdy shelter is nearby, getting low in a ditch is the next best option. Highway overpasses are one of the worst places to take shelter during tornadoes, as the constricted space can be subject to increased wind speed and funneling of debris underneath the overpass.

    Folklore often identifies a green sky with tornadoes, and though the phenomenon may be associated with severe weather, there is no evidence linking it specifically with tornadoes.

    While there is a large drop in atmospheric pressure inside a strong tornado, it is unlikely that the pressure drop would be enough to cause the house to explode.

    Opening windows may actually increase the severity of the tornado's damage. Another commonly held misconception is that highway overpasses provide adequate shelter from tornadoes.

    This belief is partly inspired by widely circulated video captured during the tornado outbreak near Andover, Kansas , where a news crew and several other people take shelter under an overpass on the Kansas Turnpike and safely ride out a tornado as it passes by.

    An old belief is that the southwest corner of a basement provides the most protection during a tornado. The safest place is the side or corner of an underground room opposite the tornado's direction of approach usually the northeast corner , or the central-most room on the lowest floor.

    Taking shelter in a basement, under a staircase, or under a sturdy piece of furniture such as a workbench further increases chances of survival.

    There are areas which people believe to be protected from tornadoes, whether by being in a city, near a major river, hill, or mountain, or even protected by supernatural forces.

    As a general rule, no area is safe from tornadoes, though some areas are more susceptible than others. Meteorology is a relatively young science and the study of tornadoes is newer still.

    Although researched for about years and intensively for around 60 years, there are still aspects of tornadoes which remain a mystery.

    However, the step from supercell , or other respective formative processes, to tornadogenesis and the prediction of tornadic vs. Also under study are the low-level mesocyclone and the stretching of low-level vorticity which tightens into a tornado, [78] in particular, what are the processes and what is the relationship of the environment and the convective storm.

    Intense tornadoes have been observed forming simultaneously with a mesocyclone aloft rather than succeeding mesocyclogenesis and some intense tornadoes have occurred without a mid-level mesocyclone.

    In particular, the role of downdrafts , particularly the rear-flank downdraft , and the role of baroclinic boundaries, are intense areas of study. Reliably predicting tornado intensity and longevity remains a problem, as do details affecting characteristics of a tornado during its life cycle and tornadolysis.

    Other rich areas of research are tornadoes associated with mesovortices within linear thunderstorm structures and within tropical cyclones.

    Scientists still do not know the exact mechanisms by which most tornadoes form, and occasional tornadoes still strike without a tornado warning being issued.

    Numerical modeling also provides new insights as observations and new discoveries are integrated into our physical understanding and then tested in computer simulations which validate new notions as well as produce entirely new theoretical findings, many of which are otherwise unattainable.

    Importantly, development of new observation technologies and installation of finer spatial and temporal resolution observation networks have aided increased understanding and better predictions.

    Solar storms similar to tornadoes have been recorded, but it is unknown how closely related they are to their terrestrial counterparts.

    A tornado that occurred at Seymour, Texas in April F4 Tornado in Roanoke, Illinois on July 13, The mature stage of a tornado that occurred in Union City, Oklahoma on May 24, A radar image of a violently tornadic classic supercell near Oklahoma City, Oklahoma on May 3, F5 Tornado approaching Elie, Manitoba on June 22, From Wikipedia, the free encyclopedia.

    This article is about the weather phenomenon. For other uses, see Tornado disambiguation. For the current tornado season, see Tornadoes of A tornado approaching Marquette, Kansas.

    Tornado family , tornado outbreak , and tornado outbreak sequence. Tornado intensity and damage. Pulse-Doppler radar and weather radar.

    Cultural significance of tornadoes Cyclone Derecho Hurricane List of tornadoes and tornado outbreaks List of tropical cyclone-spawned tornadoes Secondary flow Skipping tornado Space tornado Tornado preparedness Tornadoes of Typhoon Whirlwind.

    Center for Severe Weather Research. Archived from the original on National Oceanic and Atmospheric Administration. Chapters IV and V".

    Science News Online, May 11, ". Archived from the original on 25 August Tornado and Storm Research Organisation.

    Past, Present, and Future. Merriam Webster's Collegiate Dictionary 10th ed. National Severe Storms Laboratory.

    Cooperative Institute for Mesoscale Meteorological Studies. Funnel cloud 2 ed. The Tornado Project of Environmental Films. The Handy Weather Answer Book 2nd ed.

    Bible of Weather Forecasting. Retrieved December 25, Archived from the original Powerpoint Presentation on Archived from the original PDF on Schmitter; Schmitter April Preprints of the 22nd Conf.

    Roger Edwards, Storm Prediction Center. Retrieved 27 October Grazulis; Dan Flores University of Oklahoma Press.

    Brooks; Grieser; Brooks University of California Los Angeles. Prairie Storm Prediction Centre. Everything you need to know". Retrieved 26 November BBC Science and Nature.

    Are TC tornadoes weaker than midlatitude tornadoes? Explicit use of et al. South African Weather Service. Severe Thunderstorm Frequency in the Cool Season".

    Cambridge, UK and New York: Retrieved October 14, Brooks; Moller; Brooks What Does a Tornado Look Like? A Severe Weather Primer.

    You've probably heard the expression, "it's raining cats and dogs. Not a Good Mix". Retrieved 24 March National Climatic Data Center. Archived from the original on June 11, Archived from the original on April 7, University Corporation for Atmospheric Research.

    Find more about tornado at Wikipedia's sister projects. Wildfires Firestorm Fire whirl. Outbreak Epidemic Pandemic Famine. Lists by death toll by cost.

    twister super -

    Milch-Alternativen aus Getreide werden nicht nur bei Veganern immer beliebter. Liste kann nicht erstellt werden. CodeCheck kann nicht für die Richtigkeit der Angaben garantieren. Es sollte von Personen mit einer Laktose-Intoleranz nur nach eigener Prüfung der Verpackungsangaben konsumiert werden. Diese ermöglichen eine bessere Dienstbarkeit unserer Website. Aber auch nicht vegetarisch lebende Menschen, sogenannte Flexitarier, greifen immer häufiger zu vegetarischen Alternativen, um ihren Verbrauch von tierischen Produkten zu reduzieren. FSK ab 12 freigegeben. Die letzte Änderung dieser Seite erfolgte am 7. Stimmen die Angaben nicht? Bitte hier deinen Kommentar oder deine Meinung abgeben. Relevant sind nur die Angaben auf der Etikette des Produktes. Dieser wird von Codecheck erfasst. Auf Grund von fehlenden, widersprüchlichen oder unverständlichen Daten ist keine definitive Einschätzung möglich. Auf der Erde jedoch werden sie zu einer todbringenden Gefahr. Paycheck — Die Abrechnung. FSK ab 12 freigegeben. Dieser Inhaltsstoff Deiner Creme wird aus Schafssekret gewonnen. Super Twister Super Storm Blu-ray. Laktose, auch Milchzucker, ist ein Zweifachzucker aus Glukose und Galaktose, der unter anderem in Kuhmilch, Schafsmilch, Ziegenmilch und Stutenmilch vorkommt. Bitte hier deinen Kommentar oder deine Meinung abgeben. Super Twister Trailer DF. Ähnliche Produkte Eskimo - Twister. Doch er hat nur einen Versuch, die Menschheit zu retten und ob dieser wirklich gelingt, ist nicht gewiss. CodeCheck kann nicht für die Richtigkeit der Angaben garantieren. Dieses Produkt kann Bestandteile von toten Tieren enthalten, weil die Inhaltsstoffe des Produkts nicht super twister sehr unvollständig erfasst sind. Es sollte von Personen mit Glutenunverträglichkeit Beste Spielothek in Böserschneidegg finden Zöliakie nur nach eigener Prüfung der Verpackungsangaben konsumiert werden. Aber auch nicht vegetarisch lebende Menschen, sogenannte Flexitarier, greifen virtual casino no deposit bonus häufiger zu vegetarischen Alternativen, um ihren Verbrauch von tierischen Produkten zu reduzieren. Lab muss bisher nicht deklariert werden, da es international nicht als Lebensmittelzusatz- sondern als Produktionshilfsstoff eingestuft wird. Möchten Sie ein Bild ergänzen? Vegetarismus kennzeichnet daher als eine Lebens- und Ernährungsweise, die "lebendig" und "belebend" ist. Alnatura — Cantinelle natives Olivenöl extra. Laktose, auch Milchzucker, ist ein Zweifachzucker aus Glukose und Galaktose, der unter anderem in Kuhmilch, Schafsmilch, Ziegenmilch und Angelique kerber 2019 vorkommt. September um Kann Zucker tatsächlich süchtig machen? Super Twister Trailer DF. Dieses Produkt kann Bestandteile von toten Tieren enthalten, weil die Inhaltsstoffe des Produkts nicht oder sehr unvollständig casino bad oyenhausen sind. Vegetarismus kennzeichnet daher als eine Hessenliga fußball und Ernährungsweise, die "lebendig" und "belebend" ist.

    Gets red-hot the fastest and to a hotter than all the other thread burners. But be cautious though, it gets too hot for thin thread.

    This one is for heavier cords, not thread. I am growing very fond of this tool for heavier cords! Battery operated with two AAA battery not included.

    Include 1 extra tip in battery compartment. Personal note - I work with a board attached to an artist easel. It is easier on my back. For several years, I have used a Lacis board with a bead mat attached on top for comfort.

    So far it's holding amazingly well. I have not had to replace it. In workshops, some of my students have a clear preference of one brand over the other, and some use the two boards combined with the Lacis one pinned to the traditional board for the extra weight.

    Another great option is the Mini-Board attached to the cardboard center of fabric bolts. Comparing the Lacis and the Beadsmith Boards: At the last Cavandoli workshop, we found that the Beadsmith boards hold the T-pins very tightly.

    To save fingers from extra strain, use a pair of pliers to pull them off. For Cavandoli, the Lacis board might be best, but for anything where you want an extra hold, such as square knotting, Shambhala bracelets, leather wrap bracelet, the extra hold of the Beadsmith board might be best.

    Alternatives - Several sheets of foam board glued together for a finished thickness of at least half an inch, cork bulletin boards, velveteen jewelry tray inserts, but watch out for pins sticking out of the back of boards or stiff pillows attached to boards!

    Do not remove the plastic as the board will shed. The current version, a Pepperell brand not Wellington, has a grid in inches, several sizing guides and just a few diagrams of knots, the larkshead, double half hitch Shipping note - Shipping weight is about 1.

    Extra charge may apply. Personal note - This is the traditional macrame board. To extend its life, recover the board with clear plastic tape when damaged.

    Will shed and self destruct with heavy use. Personal note - I would add a fabric cover with an open end for access to the slots as I don't like the feel of the polyurethane.

    This board is light and does not shed like the particle board listed above. Best used flat or attached to something else. Same as above, but comes with a soft bead mat and complimentary T-Pins.

    T-pins hold the bead mat place and use them to secure work in place. This board can be used for macrame as well as leather wrap bracelet as shown in this picture.

    The extra materials shown with the board are not included. Personal note - Great to work on leather wrap bracelet. I set it up for a demo of the leather wrap bracelet and found it to work so well, I now use it in my studio, flat on my table.

    The slots at the bottom of the board hold the leather in place. Empty bead tubes elevate the leather off the board for easy access to add the beads.

    Designed with notches on all sides to hold cords. Lightweight, self healing foam so pins can be used without damaging the surface.

    Mouse over or click for other views Personal note - It's a good board. It can be leaned against a table or placed flat on a table depending on what you making.

    The side slots are good the anchor cords. The only draw back is the smell of the board once you remove the plastic. I left mine outside to air out for a few days and the smell dissipated.

    Same as above but smaller. Personal note - Perfect size for doing leather wrap bracelet, very portable. To hold the mini boards against a table the best option is to pin it to the cardboard center of fabric bolt.

    Ask for one at a fabric store or quilting supplier. Light Brown in color. A bit darker than he color shown and above pinned to the Lacis Board.

    Personal Note - I also like to pin one on my knotting board as it makes a softer surface to knot against. Personal Note - I order in assorted colors as it is nice to have a color choice.

    Imprinted with inches and centimeters. Can be rolled with project inside and secured with two elastic bands, one on each side is more secure than one as shown in picture.

    Comes in package of 3 or singly. Personal note - I often include this bead mat with my student kits when teaching.

    It beats paper plates to keep our beads from rolling around plus it has a ruler easy to reach.

    Personal note - I have used this small portable hand tool for many years to make 2 and 3 ply cords. I really like it for plying silk. It fits easily in my small portable tool pouch.

    I have made cords with this tool at demos, in hotel rooms! Use with a reversible cordless drill. Personal note - This is the set up I use in my studio.

    The purpose of the record breaking Twister Mat was to kick off a fundraising drive for Jessica's Boundless Playground. The previous record, as cited by the Guinness Book of World Records , the largest game of Twister included 4, square feet Prior to that, the largest game was played in the Netherlands in April with 2, square feet The record for the largest number of contestants in a game of Twister was once bestowed in with 4, contestants tangling themselves at the University of Massachusetts in Amherst.

    However, this Amherst claim was later disqualified upon evidence of officiating inconsistencies. As a result, the category of "Most Contestants" was temporarily banned from the Guinness Book.

    An alternative and far more challenging version of the game exists called Messy Twister, which became a popular trend in the 21st century.

    In this version of the game, paint or lumps of dyed shaving cream are placed upon the circles of the mat. The game's objective remains the same, but the now slippery mat makes players far more liable to fall over and land face-first into the paint or cream.

    True to the name, players will end up very messy while playing the game, which may quickly devolve into a playful messy fight due to high likelihood of all players slipping over while playing it.

    Twister tournaments are used as a source of philanthropic events put on by college fraternities and sororities to raise money for a charitable cause.

    Many of these Greek tournaments are held annually, and are a good way to get involved with the community [ citation needed ]. There are publicly available instructions on how to alter a Twister game to make it accessible to color-blind individuals [12] and to completely blind individuals.

    From Wikipedia, the free encyclopedia. Twister original cover art. This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: Please help improve this article if you can.

    November Learn how and when to remove this template message. Archived from the original on Making the game accessible to all" PDF.

    Archived from the original pdf on 19 July Retrieved 13 December So, how do you make the game 'color-blind friendly'? Future Reflections 27 4.

    National Federation for the Blind. Micronauts Mighty Muggs Mr. Are You Smarter than a 5th Grader? Nerf Playskool Tiger Electronics Tonka.

    Hasbro Universe Fun Publications. Retrieved from " https: Games of physical skill Party board games s toys Products introduced in Milton Bradley Company games.

    They are generally classified as non- supercellular tornadoes that develop over bodies of water, but there is disagreement over whether to classify them as true tornadoes.

    These spiraling columns of air frequently develop in tropical areas close to the equator , and are less common at high latitudes. Tornadoes occur in North America, particularly in the area of the United States known as tornado alley , [7] as well as in northern and east-central South America, Southern Africa , northwestern and southeast Europe, western and southeastern Australia, and New Zealand.

    There are several scales for rating the strength of tornadoes. The Fujita scale rates tornadoes by damage caused and has been replaced in some countries by the updated Enhanced Fujita Scale.

    An F0 or EF0 tornado, the weakest category, damages trees, but not substantial structures. An F5 or EF5 tornado, the strongest category, rips buildings off their foundations and can deform large skyscrapers.

    The word tornado comes from the Spanish word tornado past participle of to turn, or to have torn [12] [13]. A tornado is also commonly referred to as a "twister", and is also sometimes referred to by the old-fashioned colloquial term cyclone.

    The term "twister" is also used in that film, along with being the title of the tornado-related film Twister. A tornado is "a violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a cumuliform cloud, and often but not always visible as a funnel cloud".

    Scientists have not yet created a complete definition of the word; for example, there is disagreement as to whether separate touchdowns of the same funnel constitute separate tornadoes.

    A tornado is not necessarily visible; however, the intense low pressure caused by the high wind speeds as described by Bernoulli's principle and rapid rotation due to cyclostrophic balance usually cause water vapor in the air to condense into cloud droplets due to adiabatic cooling.

    This results in the formation of a visible funnel cloud or condensation funnel. There is some disagreement over the definition of a funnel cloud and a condensation funnel.

    According to the Glossary of Meteorology , a funnel cloud is any rotating cloud pendant from a cumulus or cumulonimbus, and thus most tornadoes are included under this definition.

    Tornadoes often begin as funnel clouds with no associated strong winds at the surface, and not all funnel clouds evolve into tornadoes.

    Most tornadoes produce strong winds at the surface while the visible funnel is still above the ground, so it is difficult to discern the difference between a funnel cloud and a tornado from a distance.

    Occasionally, a single storm will produce more than one tornado, either simultaneously or in succession. Multiple tornadoes produced by the same storm cell are referred to as a "tornado family".

    If there is no break in activity, this is considered a tornado outbreak although the term "tornado outbreak" has various definitions. A period of several successive days with tornado outbreaks in the same general area spawned by multiple weather systems is a tornado outbreak sequence, occasionally called an extended tornado outbreak.

    Most tornadoes take on the appearance of a narrow funnel , a few hundred yards meters across, with a small cloud of debris near the ground.

    Tornadoes may be obscured completely by rain or dust. These tornadoes are especially dangerous, as even experienced meteorologists might not see them.

    Small, relatively weak landspouts may be visible only as a small swirl of dust on the ground. Large single-vortex tornadoes can look like large wedges stuck into the ground, and so are known as "wedge tornadoes" or "wedges".

    The "stovepipe" classification is also used for this type of tornado if it otherwise fits that profile. A wedge can be so wide that it appears to be a block of dark clouds, wider than the distance from the cloud base to the ground.

    Even experienced storm observers may not be able to tell the difference between a low-hanging cloud and a wedge tornado from a distance.

    Many, but not all major tornadoes are wedges. Tornadoes in the dissipating stage can resemble narrow tubes or ropes, and often curl or twist into complex shapes.

    These tornadoes are said to be "roping out", or becoming a "rope tornado". When they rope out, the length of their funnel increases, which forces the winds within the funnel to weaken due to conservation of angular momentum.

    Weak tornadoes, or strong yet dissipating tornadoes, can be exceedingly narrow, sometimes only a few feet or couple meters across.

    One tornado was reported to have a damage path only 7 feet 2. A tornado that affected Hallam, Nebraska on May 22, , was up to 2. Tornadoes can have a wide range of colors, depending on the environment in which they form.

    Those that form in dry environments can be nearly invisible, marked only by swirling debris at the base of the funnel. Condensation funnels that pick up little or no debris can be gray to white.

    While traveling over a body of water as a waterspout , tornadoes can turn white or even blue. Slow-moving funnels, which ingest a considerable amount of debris and dirt, are usually darker, taking on the color of debris.

    Tornadoes in the Great Plains can turn red because of the reddish tint of the soil, and tornadoes in mountainous areas can travel over snow-covered ground, turning white.

    Lighting conditions are a major factor in the appearance of a tornado. A tornado which is " back-lit " viewed with the sun behind it appears very dark.

    The same tornado, viewed with the sun at the observer's back, may appear gray or brilliant white.

    Tornadoes which occur near the time of sunset can be many different colors, appearing in hues of yellow, orange, and pink. Dust kicked up by the winds of the parent thunderstorm, heavy rain and hail, and the darkness of night are all factors which can reduce the visibility of tornadoes.

    Tornadoes occurring in these conditions are especially dangerous, since only weather radar observations, or possibly the sound of an approaching tornado, serve as any warning to those in the storm's path.

    Most significant tornadoes form under the storm's updraft base , which is rain-free, [32] making them visible. There is mounting evidence, including Doppler on Wheels mobile radar images and eyewitness accounts, that most tornadoes have a clear, calm center with extremely low pressure, akin to the eye of tropical cyclones.

    Lightning is said to be the source of illumination for those who claim to have seen the interior of a tornado. Tornadoes normally rotate cyclonically when viewed from above, this is counterclockwise in the northern hemisphere and clockwise in the southern.

    While large-scale storms always rotate cyclonically due to the Coriolis effect , thunderstorms and tornadoes are so small that the direct influence of the Coriolis effect is unimportant, as indicated by their large Rossby numbers.

    Supercells and tornadoes rotate cyclonically in numerical simulations even when the Coriolis effect is neglected. Typically, systems as weak as landspouts and gustnadoes can rotate anticyclonically, and usually only those which form on the anticyclonic shear side of the descending rear flank downdraft RFD in a cyclonic supercell.

    Tornadoes emit widely on the acoustics spectrum and the sounds are caused by multiple mechanisms. Various sounds of tornadoes have been reported, mostly related to familiar sounds for the witness and generally some variation of a whooshing roar.

    Popularly reported sounds include a freight train, rushing rapids or waterfall, a nearby jet engine, or combinations of these. Many tornadoes are not audible from much distance; the nature of and the propagation distance of the audible sound depends on atmospheric conditions and topography.

    The winds of the tornado vortex and of constituent turbulent eddies , as well as airflow interaction with the surface and debris, contribute to the sounds.

    Funnel clouds also produce sounds. Funnel clouds and small tornadoes are reported as whistling, whining, humming, or the buzzing of innumerable bees or electricity, or more or less harmonic, whereas many tornadoes are reported as a continuous, deep rumbling, or an irregular sound of "noise".

    Since many tornadoes are audible only when very near, sound is not to be thought of as a reliable warning signal for a tornado. Tornadoes are also not the only source of such sounds in severe thunderstorms; any strong, damaging wind, a severe hail volley, or continuous thunder in a thunderstorm may produce a roaring sound.

    Tornadoes also produce identifiable inaudible infrasonic signatures. Unlike audible signatures, tornadic signatures have been isolated; due to the long distance propagation of low-frequency sound, efforts are ongoing to develop tornado prediction and detection devices with additional value in understanding tornado morphology, dynamics, and creation.

    Tornadoes emit on the electromagnetic spectrum , with sferics and E-field effects detected. Tornadic storms do not contain more lightning than other storms and some tornadic cells never produce lightning at all.

    More often than not, overall cloud-to-ground CG lightning activity decreases as a tornado touches the surface and returns to the baseline level when the tornado dissipates.

    In many cases, intense tornadoes and thunderstorms exhibit an increased and anomalous dominance of positive polarity CG discharges. Luminosity has been reported in the past and is probably due to misidentification of external light sources such as lightning, city lights, and power flashes from broken lines, as internal sources are now uncommonly reported and are not known to ever have been recorded.

    In addition to winds, tornadoes also exhibit changes in atmospheric variables such as temperature , moisture , and pressure.

    The pressure dropped gradually as the vortex approached then dropped extremely rapidly to mbar hPa Temperature tends to decrease and moisture content to increase in the immediate vicinity of a tornado.

    Tornadoes often develop from a class of thunderstorms known as supercells. Supercells contain mesocyclones , an area of organized rotation a few miles up in the atmosphere, usually 1—6 miles 1.

    In addition to tornadoes, very heavy rain, frequent lightning, strong wind gusts, and hail are common in such storms. Most tornadoes from supercells follow a recognizable life cycle.

    That begins when increasing rainfall drags with it an area of quickly descending air known as the rear flank downdraft RFD.

    This downdraft accelerates as it approaches the ground, and drags the supercell's rotating mesocyclone towards the ground with it.

    As the mesocyclone lowers below the cloud base, it begins to take in cool, moist air from the downdraft region of the storm.

    The convergence of warm air in the updraft and cool air causes a rotating wall cloud to form. The RFD also focuses the mesocyclone's base, causing it to draw air from a smaller and smaller area on the ground.

    As the updraft intensifies, it creates an area of low pressure at the surface. This pulls the focused mesocyclone down, in the form of a visible condensation funnel.

    As the funnel descends, the RFD also reaches the ground, fanning outward and creating a gust front that can cause severe damage a considerable distance from the tornado.

    Usually, the funnel cloud begins causing damage on the ground becoming a tornado within a few minutes of the RFD reaching the ground.

    Initially, the tornado has a good source of warm, moist air flowing inward to power it, and it grows until it reaches the "mature stage".

    The low pressured atmosphere at the base of the tornado is essential to the endurance of the system. As the RFD completely wraps around and chokes off the tornado's air supply, the vortex begins to weaken, and become thin and rope-like.

    This is the "dissipating stage", often lasting no more than a few minutes, after which the tornado ends. During this stage the shape of the tornado becomes highly influenced by the winds of the parent storm, and can be blown into fantastic patterns.

    The storm is contracting into a rope-like tube and, due to conservation of angular momentum , winds can increase at this point.

    As the tornado enters the dissipating stage, its associated mesocyclone often weakens as well, as the rear flank downdraft cuts off the inflow powering it.

    Sometimes, in intense supercells, tornadoes can develop cyclically. As the first mesocyclone and associated tornado dissipate, the storm's inflow may be concentrated into a new area closer to the center of the storm and possibly feed a new mesocyclone.

    If a new mesocyclone develops, the cycle may start again, producing one or more new tornadoes. Occasionally, the old occluded mesocyclone and the new mesocyclone produce a tornado at the same time.

    Although this is a widely accepted theory for how most tornadoes form, live, and die, it does not explain the formation of smaller tornadoes, such as landspouts, long-lived tornadoes, or tornadoes with multiple vortices.

    These each have different mechanisms which influence their development—however, most tornadoes follow a pattern similar to this one.

    A multiple-vortex tornado is a type of tornado in which two or more columns of spinning air rotate about their own axis and at the same time around a common center.

    A multi-vortex structure can occur in almost any circulation, but is very often observed in intense tornadoes. These vortices often create small areas of heavier damage along the main tornado path.

    The satellite tornado may appear to " orbit " the larger tornado hence the name , giving the appearance of one, large multi-vortex tornado.

    However, a satellite tornado is a distinct circulation, and is much smaller than the main funnel. A waterspout is defined by the National Weather Service as a tornado over water.

    However, researchers typically distinguish "fair weather" waterspouts from tornadic waterspouts.

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