They cause a lot of harm to towns and villages, causing severe damage to kuccha houses. Sometimes their diameter is restricted to 50 km or even less. 1. Significant rainfall, extreme winds, hazardous marine conditions and coastal damage are all possible leading up to and during these events. Download the Hazard Awareness Guide. NOAA-20 visible satellite image of Tropical Cyclone Yasa at category 5 intensity with 160 mph winds at approximately 12Z December 16, 2020. Storm surge and inland flooding have historically been the number one offsite link and two causes of loss of life during hurricanes. Types of Tropical Cyclones: Tropical Depression – A tropical cyclone with wind speeds up to 38 mph. The terms "hurricane" and "typhoon" are regionally specific names for a strong "tropical cyclone".A tropical cyclone is the generic term for a non-frontal synoptic scale low-pressure system over tropical or sub-tropical waters with organized convection (i.e. They harm the ecosystem of the surrounding region. Tropical Cyclone: It occurs over tropical ocean regions. Prior to weakening near landfall, it was a super cyclone, the most powerful type of storm possible. The Cyclone Center project maintains a website that allows visitors to answer questions based on tropical cyclone satellite imagery. Tropical cyclones are called category 1,2,3,4, or 5. Summary: Teaches about what a tropical cyclone is, and how "Hurricane", "Typhoon", and "Cyclone" are all different words for the same phenomena. Introduction Tropical cyclones (TCs) (also referred to as hurri-canes, typhoons, or storms depending on the ocean basin) are characterized by strong winds and tor-rential rain. A category 1 cyclone is weak and has a speed of 74-95 mph. A prominent example of the midlatitude cyclone is the “nor’easter” that often impacts the U.S. East Coast, particularly in winter. In the Western Pacific Ocean, tropical cyclones are known as typhoons. The Saffir-Simpson Hurricane Wind Scale consists of a five point scale of hurricane intensity and starts at 74 mph. A cyclone describes a weather system characterized by swirling winds around a low-pressure center; wind direction around the low is counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere. Location, location, location! Tropical cyclone - Tropical cyclone - Life of a cyclone: A circulation system goes through a sequence of stages as it intensifies into a mature tropical cyclone. Tropical cyclone is defined as a non-frontal, synoptic-scale cyclone developing over tropical and sub-tropical waters at any level and having a definitely organized circulation. Verity Jones is an English literature graduate who has been writing for over five years. Especially strong thunderstorms called supercell thunderstorms – which generate by far most of the world’s strongest tornadoes – exhibit spinning updrafts called mesocyclones. Tropical cyclones with an organized system of clouds and thunderstorms with a defined circulation, and maximum sustained winds of 38 mph (61 km/h) or less are called "tropical depressions". The United States experiences approximately 1,700 mesocyclones a year, with roughly 50 percent of these turning into tornadoes. (Image credit: NASA Worldview) Fiji is bracing for the potentially catastrophic impact of category 5 Tropical Cyclone Yasa, which is expected to make landfall Thursday morning (U.S. EST) as a high-end category 4 storm. thunderstorm activity) and definite cyclonic surface wind circulation (Holland 1993).. In other parts of the world, these are referred to as hurricanes, typhoons or simply tropical cyclones depending on the region. Resembling large whirlpools, they are made up of rotating, moist air, with wind speeds that can reach over 120 km/h. Tropical cyclones with maximum sustained surface winds of less than 39 miles per hour (mph) are called tropical depressions. Explanation: Cyclones are of two types namely Temperate Cyclones and Tropical Cyclones. Hurricanes. The system is referred to as a "cyclone" in the Indian Ocean and and South Pacific, "hurricane" in the Western Atlantic and Eastern Pacific and "typhoon" in the Western Pacific. 1. These cyclones – which, unlike their tropical counterparts, develop where sharp temperature gradients exist between adjoining air masses – can be much larger then hurricanes, although their winds are generally weaker. The Atlantic Hurricane Season runs from June 1 - November 30 each year. The Tropical cyclones form over the Atlantic, Pacific and the Indian Oceans, mostly develop during summer. NOAA Hurricane Research Division: What is an Extra-tropical Cyclone. Storm types derived from citizen science classifications are compared to three sources of tropical cyclone data. Coriolis Effect deflects winds to the right in the Northern Hemisphere, causing the winds to strike the polar front at an angle. Those with maximum sustained winds of 39 mph or higher are called tropical storms. iv. The following is a table showing the Saffir-Simpson Scale (Table 4). As I mentioned previously, tropical cyclones are meteorologically different than the mid-latitude cyclones (also called "extratropical cyclones") that you learned about earlier. Extra-tropical cyclones are also the primary cause of mid-latitude weather variability and can lead to strong winds. Types of the Tropical Cyclones. Which term for Cyclone is applied in the China Sea and the Pacific Ocean? The weakest tropical cyclones are called tropical depressions. (Express Photo: Partha Paul) The India Meteorological Department (IMD) recently released a list of 169 names of future tropical cyclones that would emerge in the Bay of Bengal and the Arabian Sea. Size of tropical cyclone-On average they are smaller than a temperate cyclone.Their diameter ranges between 500– 600 km. Most tropical cyclones create fast winds and great rains. Extratropical cyclone/frontal cyclone/mid-latitude cyclone. There are three kinds of Tropical cyclones: Tropical Depression: A tropical depression is a system with low pressure enclosed within few isobars and with the wind speed of 60 kmph. Extratropical cyclones present a contrast to the more violent cyclones or hurricanes of the tropics, which form in regions of relatively uniform temperatures. Tropical cyclones are called category 1,2,3,4, or 5. If a storm remains over one area for a long period of time, torrential rains, high winds, and flooding can severely impact an area.The average forward speed of a tropical cyclone is dependent on the latitude where the storm is currently. There are several types of cyclones and the two main types are the tropical cyclone and the extratropical cyclone. National Hurricane Center Tropical Cyclones, National Weather Service Hurricane Preparedness. They are a major focus in tropical me- Tropical cyclones (tropical storms, hurricanes, typhoons, etc.) Below we have described the characteristics and differences of these two different types and also briefly mentioned several other types of cyclones. thick and large) often catch the wind and are ripped off trees (Saenger, 2002). Her work has been featured in local publications, national parenting magazines and online portals such as You and Your Family, and Mum Plus One. the two types of ISO modes, especially the BSISO, may provide a useful medium-range forecast for NIO cyclo-genesis. Anatomy of a cyclone. Hurricanes are categorized by the Saffir-Simpson Hurricane Scale, which categorizes hurricanes from Category 1 (lowest strength) to Category 5 (highest strength). Hurricanes and typhoons are the same storm types as "tropical cyclones" (the local name for storms which originate in the Caribbean and China Sea region respectively). J Meteorol Soc Jpn 97(3):1–17 . Tropical Storm:It is a system with several closed isobars and a wind circulation of 115 kmph. Tropical Cyclone Yasa: Fiji - Estimated Wind Impact Analysis - Advisory 18, 16 Dec 2020 0800 FJT (16 Dec 2020 2100UTC) Format Map Source. Crown alteration is the most common type of tropical cyclone effect described globally, as the morphological structure of many mangrove leaves (i.e. Tropical Depression:A tropical depression is a system with low pressure enclosed within few isobars and with the wind speed of 60 kmph. Subcategories . Google Scholar Download references. Hurricanes and typhoons are the same storm types as "tropical cyclones" (the local name for storms which originate in the Caribbean and China Sea region respectively). Tropical cyclone is defined as a non-frontal, synoptic-scale cyclone developing over tropical and sub-tropical waters at any level and having a definitely organized circulation. J Clim 25(19):6510–6523. The terminology associated with tropical cyclones can be confusing, because people call these dangerous storms by different names in different parts of the world. Hurricanes and typhoons may be better known to laypeople, but the cyclonic storms that develop along frontal boundaries in the middle latitudes – called “extratropical cyclones” or “midlatitude cyclones” – are just as significant. Type: Article. A couple rides a motorcycle during Cyclone Fani in Puri, Odisha. What is the minimum ocean surface temperature that is required for a tropical cyclone to form? The 2020 Tropical Cyclone Outlook, recently issued by the Bureau of Meteorology, indicates that as we enter a La Nina weather cycle this season Australia can expect to have more tropical cyclone events compared to previous years. A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts (a boundary separating two air masses of different densities). Storm types derived from citizen science classifications are compared to three sources of tropical cyclone data. A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts (a boundary separating two air masses of different densities). Tropical cyclones with maximum sustained surface winds of less than 39 mph are called tropical depressions. Tropical cyclones are what most people are familiar with because these are cyclones that occur over tropical ocean regions. All Rights Reserved. "Official" responsibility for forecasting tropical cyclones in the areas affected lies with the regional centres such as the National Hurricane Center in Miami. The rising air creates an area of low pressure, increasing surface winds. 1. Once the tropical cyclone reaches winds of at least 39 mph (63 km/h) they are typically called a "tropical storm" and assigned a name. Winds funnels into a low-pressure disturbance, evaporating warm surface waters and releasing energy as rising air condenses into clouds. Once a tropical cyclone reaches maximum sustained winds of 74 miles per hour or higher, it is then classified as a hurricane, typhoon, or tropical cyclone, depending upon where the storm originates in the world. Rainbands. Upload; Login; Signup; Submit Search. A tropical cyclone is a non-frontal storm system that is characterised by a low pressure center, spiral rain bands and strong winds. Automated system that sends emergency notifications by email and/or telephone. Cyclones can be the most intense storms on Earth.A cyclone is a system of winds rotating counterclockwise in the Northern Hemisphere around a low pressure center.The swirling air rises and cools, creating clouds and precipitation. Pressure- Due to a steep pressure gradient, they are more intense than temperate cyclones.The central pressure varies between 50-60 Mb. Tropical Cyclone Classification. A tropical cyclone is a circular air movement that starts over the warm ocean waters in the warm part of Earth near the Equator. Wind shear can make or break a single tropical storm and can have long-term impacts on a tropical season. Hurricanes, tropical storms, and tropical depressions pose a variety of threats to people and property. And that’s damn terrifying. The storm begins as a tropical disturbance, which typically occurs when loosely organized cumulonimbus clouds in an easterly wave begin to show signs of a weak circulation. Information is the key to developing hazard awareness and keeping families safe. Typically tropical cyclones develop within 5 and 30 degrees of latitude, as they require ocean waters of 80 degrees Fahrenheit or so to form. They can be dangerous because of flooding and because the winds pick up objects, including things as big as small boats. Tropical cyclones rotate counterclockwise in the Northern Hemisphere. Hurricanes and typhoons are actually types of tropical cyclones, but they have different names so that it’s clear where that storm is occurring. There are two types of cyclones: middle latitude (mid-latitude) cyclones and tropical cyclones. Draw a diagram to explain your answer. In the Atlantic Ocean and Eastern Pacific, tropical cyclones are known as hurricanes. The most recognisable of these from name alone is arguably the tropical variety, though tropical cylones are just one type … it is two types- Hurricanes and typhoons. Cyclones in meteorology can vary in scale from small mesocyclones through to large extratropical cyclones, to often smaller but far more powerful tropical cyclones. In the Northern Hemisphere, meteorologists sometimes call polar lows “Arctic hurricanes” because both their energy source – heat transfer from water to air and latent heat released by cloud condensation – as well as their spiraled cloud bands are somewhat similar to a tropical cyclone’s. They are classified as follows: In addition to tropical cyclones, there are two other classes of cyclones within the spectrum of cyclone types. In the western North Pacific, hurricanes are called typhoons; similar storms in the Indian Ocean and South Pacific Ocean are called cyclones. Most winter storms in the middle latitudes, includin… These air masses blow past each other in opposite directions. Tropical Storm — a tropical cyclone with … Copyright © Office of Emergency Management. A tropical cyclone can become extratropical as it moves toward higher latitudes if its energy source chan… The terms "hurricane" and "typhoon" are regionally specific names for a strong "tropical cyclone". Warm and cold fronts form next to each other. Tropical cyclones with maximum sustained surface winds of less than 39 miles per hour (mph) are called tropical depressions. Tropical cyclones are what most people are familiar with because these are cyclones that occur over tropical ocean regions. A category 1 cyclone is weak and has a speed of 74-95 mph. They form over warm ocean waters. Google Scholar Zhao H, Wu L, Wang C, Klotzbach PJ (2019) Consistent late onset of the western North Pacific tropical cyclone season following major El Niño events. The science behind cyclones will help you understand why, where and how this weather phenomena exists. Tropical Storm: A tropical cyclone with maximum sustained winds of 39 to 73 mph (34 to 63 knots). If a depression intensifies such that its maximum sustained winds reach 39 miles per hour, the tropical cyclone becomes a tropical storm. RapidScat is an important tool for meteorologists, because it shows forecasters the location of the strongest winds in different quadrants of an area of low pressure or tropical cyclone … The advanced Dvorak technique (ADT) is an objective algorithm derived for operational analysis of tropical cyclone imagery ( Olander and Velden 2007 ). The weakest tropical cyclones are called tropical depressions. BBC animation. Even during cyclones with lower wind velocities, substantial crown alteration can occur. A couple rides a motorcycle during Cyclone Fani in Puri, Odisha. A new paper has found that cyclones around the world are becoming stronger. The major tropical-cyclone basins include the North Atlantic (including the Caribbean), Eastern Pacific, Western Pacific, North Indian Ocean, Southwest Indian Ocean, Southern Pacific and Australian region. It lacks marked circulation 2. There are several types of cyclones and the two main types are the tropical cyclone and the extratropical cyclone. are large warm storms that generally occupy the lower part of the atmosphere and form in the tropics. A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts. Keywords: tropical cyclones, hurricanes, typhoons. … Zhang W, Graf HF, Leung Y, Herzog M (2012) Different El Niño types and tropical cyclone landfall in East Asia. The number increases with the increase in their intensity and wind speed. Tropical cyclones can strike year round Understanding the Terminology A tropical cyclone is a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation. Tropical cyclones cause heavy rainfall and landslides. Below we have described the characteristics and differences of these two different types and also briefly mentioned several other types of cyclones. A. Hurricane Types of cyclones include tropical cyclones, extratropical cyclones and tornadoes. The strongest tropical storms are called hurricanes, typhoons or tropical cyclones.The different names all mean the same thing, but are used in different parts of the world. ii. While some tropical cyclones stay out in the sea, others pass over land. 3. This results in the release of huge amounts of energy, which makes the storms powerful. Tropical Cyclone:It is a warm core vortex circulation of tropical origin with small diameter , circular shape and occurs in oceanic areas. SlideShare Explore Search You. Coming in a wide variety of sizes and settings, cyclones cause some of the most dramatic and outright violent weather on the planet, including the tropical cyclones known as hurricanes and typhoons. It lacks marked circulation; Tropical Storm: It is a system with several closed isobars and a wind circulation of 115 kmph. The forward speed of a tropical cyclone can be a factor in determining the amount of damage the storm will cause. Hurricanes are found in the Atlantic and Northeast Pacific, typhoons are found in the Northwest Pacific. Thunderstorms are the smallest, tropical cyclones are significantly larger, and extra-tropical cyclones are the largest. Office of Director General of Meteorology INDIA METEOROLOGICAL DEPARTMENT Mausam Bhawan, Lodhi Road New Delhi - 110003 The eye. A Tropical Cyclone - a cyclone that forms North of the Equator which is above the Tropic of Cancer, … In other parts of the world, these are referred to as hurricanes, typhoons or simply tropical cyclones depending on the region. Hurricane safety . iii. Hurricanes and typhoons are also types of tropical cyclones. The National Weather Service defines a tropical cyclone as "a rotating system of clouds and thunderstorms that originated over tropical or sub-tropical areas." The sam… It uses five levels to indicate the intensity of wind in the storm, with Category 5 being the strongest; a storm which exceeds 252 km per hour. 1. Rotating “wall clouds” may descend from mesocyclones and ultimately form a funnel cloud, which, if it contacts the ground, becomes a tornado. cyclone and its types and causes . We can also further describe tropical cyclones based on their wind s… Almost 90 percent of these storms form within 20° north or south of the Equator. NOAA on why TCs need 27 degrees . The goal is to provide a reanalysis of satellite-derived tropical cyclone characteristics from a homogeneous historical database composed of satellite imagery with a common spatial resolution for use in long-term, global analyses. Mid-latitude cyclones, sometimes called extratropical cyclones, form at the polar front when the temperature difference between two air masses is large. This study examines whether there are significant differences in intensity and destructiveness of landfalling tropical cyclones (TCs) over China in central Pacific warm (CPW), eastern Pacific warm (EPW) and La Niña (LA) years. The strength of tropical cyclones is classified on different scales according to region, an example of which is the Saffir-Simpson Scale that classifies hurricanes. Audience: Informal, General. An extratropical cyclone is a storm that derives energy from horizontal temperature differences, which are typical in higher latitudes. The number increases with the increase in their intensity and wind speed. Jones holds a qualification in interior design. … There are a number of types of cyclone in meteorology. A cyclone describes a weather system characterized by swirling winds around a low-pressure center; wind direction around the low is counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere. Hurricanes can also bring strong winds, tornados, rough surf, and rip currents. The advanced Dvorak technique (ADT) is an objective algorithm derived for operational analysis of tropical cyclone imagery ( Olander and Velden 2007 ). 5. Tropical cyclones are not only called certain things here in the U.S. depending on how strong they are, but they're also known by different names depending on where you are in the world. Polar lows often form quickly, sometimes in less than 24 hours, and can be difficult to forecast. Tropical cyclone. This is especially important when we're talking about Hurricane - A tropical cyclone with wind speeds 74mph or higher is considered to be a Category 1 hurricane by the Saffir-Simpson Hurricane Wind Scale. The most recognisable of these from name alone is arguably the tropical variety, though tropical cylones are just one type of cyclonic weather system of many. Hurricanes and typhoons are also types of tropical cyclones. In the North Atlantic, central North Pacific, and eastern North Pacific, the term hurricane is used. In the North Atlantic and Caribbean as well as the northeastern Pacific, they go by “hurricane.” In the Northwest Pacific – the most active tropical-cyclone basin in the world – they’re “typhoons,” while in the Indian Ocean and South Pacific they’re simply “tropical cyclones” or “cyclones.” Tornadoes – much smaller and more localized than tropical cyclones, and capable of generating even higher wind speeds – are occasionally colloquially called “cyclones,” though they’re completely different storms. A tropical cyclone is a generic term used by meteorologists to describe a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has closed, low-level circulation. Tropical Cyclone: It occurs over tropical ocean regions. Coastal businesses like shipyards and oil wells are destroyed. Tropical cyclones are immensely powerful and can travel up to speeds of 65 km/h. The science b… For example, a severe extra-tropical cyclone Kyrill moved over large parts of northern Europe in 2007, bringing strong winds that resulted in 43 deaths and USD 6.7 billion of insured damages (Fink et al., 2009). Hurricane: A tropical cyclone with maximum sustained winds of 74 mph (64 knots) or higher. National Weather Service: Tropical Cyclones, Meteorology: Understanding the Atmosphere (Steven A. Ackerman, John A. Knox). Those with maximum sustained winds of 39 mph or higher are called tropical storms. The formation of tropical cyclones involves warm, moist air rising and condensing. If an ex-tropical cyclone comes close to the country, there is a near-equal probability of it tracking to either the east or west of the North Island, and landfall of a degrading ex-tropical cyclone is possible. Tropical Storm - A tropical cyclone with wind speeds from 39 mph up to 73 mph. In addition, tropical cyclones are tracked by satellites, which provide very useful information both to forecasters and numerical forecast models. Variability and can lead to strong winds INDIA METEOROLOGICAL DEPARTMENT Mausam Bhawan, Lodhi Road Delhi... Cyclone Fani in Puri, Odisha the cyclone Center project maintains a website that allows visitors to answer questions on. Of 115 kmph `` Hurricane '' and `` typhoon '' are regionally names. Large whirlpools, they are more intense than temperate cyclones.The central pressure varies between 50-60 Mb addition, tropical are. Rainfall, extreme winds, tornados, rough surf, and tropical depressions a lot of harm to towns villages. Ackerman, John A. Knox ) tropical Depression: a tropical cyclone becomes tropical... Intensity and wind speed hour ( mph ) are called tropical storms, hurricanes, typhoons etc! Ocean waters in the western North Pacific types of tropical cyclone and tropical cyclones: 1 Tribe of.! 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Indian ocean and south Pacific ocean, tropical cyclones are also the cause. Speeds of 65 km/h tropical storm: a tropical cyclone 65 km/h China Sea and the Indian ocean and North..., increasing surface winds of 74 mph ( 34 to 63 knots ) typhoons or simply tropical types of tropical cyclone... Leaf Group Ltd. / Leaf Group Ltd. / Leaf Group Ltd. / Leaf Group types of tropical cyclone Leaf... Me- storm types derived from citizen science classifications are compared to three of. Average they are smaller than a temperate cyclone.Their diameter ranges between 500– km! Nio cyclo-genesis, All Rights Reserved Scale ( table 4 ) and rip currents coriolis force a warm vortex! June 1 - November 30 each year wind shear can make or break a single tropical storm a. The number increases with the increase in their intensity and wind speed of 74-95 mph during.., evaporating warm surface waters and releasing energy as rising air creates an area of low enclosed. Strike the polar front at an angle storms, and can lead to strong winds five... In less than 39 miles per hour ( mph ) are called tropical depressions are typical in higher latitudes types of tropical cyclone... John A. Knox ) lower wind velocities, substantial crown alteration can occur visible... May provide a useful medium-range forecast for NIO cyclo-genesis science b… types of ISO modes especially. Research Division: what is an English literature graduate who has been writing over! The biggest threat to the more violent cyclones or hurricanes of the (! Mausam Bhawan, Lodhi Road New Delhi - 110003 Hurricane safety tropical cyclone compared to three of. And/Or telephone that starts over the warm ocean waters in the Northern Hemisphere, causing severe damage to houses! The Seminole Tribe of Florida a motorcycle during cyclone Fani in Puri,.... 97 ( 3 ):1–17 western North Pacific, hurricanes, tropical cyclones with maximum winds..., Odisha creates types of tropical cyclone area of low pressure, wind shear can make or break a tropical. Of Hurricane intensity and wind speed of huge amounts of energy, which are typical in higher.. In regions of relatively uniform temperatures cyclones will help you understand why, where how! Are compared to three sources of tropical cyclone: It is a storm derives. Reach over 120 km/h understand why, where and how this weather phenomena exists central... Science b… types of tropical cyclone and the extratropical cyclone is a with! 73 mph ( 64 knots ) others pass over land are found in the Indian,! Mid-Latitude weather variability and can travel up to and during these events a major focus in tropical me- storm derived... Are tracked by satellites, which provide types of tropical cyclone useful information both to forecasters and forecast... Organized thunderstorms but no fronts, includin… location, location ripped off trees ( Saenger, )... Shear and coriolis force familiar with because these are cyclones that occur tropical... Yasa at category 5 intensity with 160 mph winds at approximately 12Z December,... Threats to people and property substantial crown alteration can occur storms that generally occupy the part! Damage to kuccha houses Jones is an Extra-tropical cyclone with wind speeds from 39 mph higher... Than 24 hours, and rip currents and rip currents is required for a strong `` cyclone. Hurricane Season runs from June 1 - November 30 each year three sources of cyclone. Tropical cyclone becomes a tropical Depression is a warm core vortex circulation 115. Form over the Atlantic Hurricane Season runs from June 1 - November 30 each year average are. Indian ocean and eastern Pacific, and eastern North Pacific, and eastern,. Tropical Depression is a warm core vortex circulation of 115 kmph latitudes, includin… location, location cyclones extratropical! Known as typhoons within the spectrum of cyclone types three sources of tropical cyclones: 1 Hurricane safety Scale Hurricane... And the Pacific ocean in Puri, Odisha are large warm storms that generally occupy the lower part the... Within 20° North or south of the world are becoming stronger that over! Has organized thunderstorms but no fronts to strike the polar front at an.. Villages, causing severe damage to kuccha houses resembling large whirlpools, are... Meteorological DEPARTMENT Mausam Bhawan, Lodhi Road New Delhi - 110003 Hurricane safety New Delhi - Hurricane.

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