cyclone categories table
 A very intense tropical cyclone is the highest category on the South-West Indian Ocean Tropical Cyclone scale, and has winds of over 115 knots (212 km/h, 132 mph). With Cyclone Jump creating a memorable affair just became easier. Cyclone Dining Table. The Saffir-Simpson Hurricane Wind Scale is a 1-5 rating based on the hurricane's present intensity. , Any tropical cyclone that develops within the North Indian Ocean between 100°E and 45°E is monitored by the India Meteorological Department (IMD, RSMC New Delhi). Category 2 Tropical Cyclone : 971 - 985: 125 - 164: 89 - 117: 4.0 - 4.5: Minor house damage. The severity of a tropical cyclone is described in terms of categories ranging from 1 (weakest) to 5 (strongest) related to the maximum mean wind speed as shown in this table. HJ Research delivers in-depth insights on the global Cyclone Dust Collectors market in its upcoming report titled, Global Cyclone Dust Collectors Market Report 2015-2026. Masonry chimneys can be toppled.  In May 2015, PAGASA introduced the term Super Typhoon and used it for systems with winds greater than 120 kn (62 m/s; 140 mph; 220 km/h). Tropical cyclones forming between 5 and 30 degrees North latitude typically move toward the west. The table on the right provides information concerning effects due to wind which are typical of cyclones in the various categories.  Once either of these classifications are met, then advisories are initiated and the warning centers will classify the system as either a tropical or subtropical depression, if the one-minute sustained winds estimated or measured as less than 34 kn (38 mph; 62 km/h).. , Accumulated cyclone energy (ACE) is used by the National Oceanic and Atmospheric Administration and other agencies to express the activity of individual tropical cyclones that are above tropical storm strength and entire tropical cyclone seasons. A category two cyclone's strongest winds are DESTRUCTIVE winds with typical gusts over open flat land of 125-164kph. Tropical cyclone - Tropical cyclone - Ranking and naming a cyclone: A wide range of wind speeds is possible between tropical cyclones of minimal strength and the most intense ones on record, and tropical cyclones can cause damage ranging from the breaking of tree limbs to the destruction of mobile homes and small buildings. TD 20W, became tropical storm Bebinca, but was referred to as TS 20W (BEBINCA) in JTWC advisories); however, in cases when the JTWC upgrades a depression to tropical storm without the JMA following suit (due to the differences between JTWC and JMA wind-speed scales), the spelled-out number (without the suffix) is parenthesized and appended to the TC number as placeholder name, as in TS 16W (SIXTEEN), until JMA upgrades and names it, on which case the name replaces the placeholder. Coloured circles show the radius of the very destructive core, the radius of destructive winds and the size of the gale force winds. However they are used by other organizations, such as the National Oceanic and Atmospheric Administration. However, if a tropical disturbance is capable of producing tropical storm or hurricane conditions on land within 48 hours, then advisories will be initiated and it will be classified as a potential tropical cyclone (PTC) with a two-digit PTC number (for example, PTC-09 or PTC-15E) that otherwise looks identical to a TC number.  Should the hurricane intensify further then it will be rated as a Category 2 hurricane, if it has winds of between 83 and 95 kn (96–110 mph, 154–177 km/h). Tropical Cyclone Also, you should know that tropical cyclones are categorized according to wind speed so it’s also common to hear a weatherman refer to a category one, two, three, four, or five cyclones.  Once this definition has been met then all of the centres name the system and start to use the Australian tropical cyclone intensity scale, which measures tropical cyclones using a five category system based on 10-minute maximum sustained winds. The unit of ACE is 104 kn2, and for use as an index the unit is assumed. US Dept of Commerce The lowest official classification used in the North Indian Ocean is a Depression, which has 3-minute sustained wind speeds of between 20–31 mph (31–49 km/h). Damage to some crops, trees and caravans. Tropical cyclone, an intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain. , A minor change to the scale was made ahead of the 2012 hurricane season, with the wind speeds for Categories 3–5 tweaked to eliminate the rounding errors that had occurred during previous seasons, when a hurricane had wind speeds of 115 kn (130 mph; 215 km/h). , The Hurricane Severity Index (HSI) is another scale used and rates the severity of all types of tropical and subtropical cyclones based on both the intensity and the size of their wind fields. , The China Meteorological Administration, the Hong Kong Observatory (HKO), PAGASA and the JMA, all divide the typhoon category further for domestic purposes. Tropical cyclones are called category 1,2,3,4, or 5. Tropical cyclones or subtropical cyclones that exist within the North Atlantic Ocean or the North-eastern Pacific Ocean are classified as either tropical depressions or tropical storms. Hurricanes and typhoons are actually types of tropical cyclones, but they have different names so that it’s clear where that storm is occurring. In this table, categories of cyclone severity range from 1 for a system just reaching cyclone strength to 5 for the most severe cyclone.  However, advisories may continue if the post tropical cyclone poses a significant threat to life and property. Examples: Hurricanes Allison (pdf) of 1995 and Danny (pdf) of 1997 were Category One hurricanes at peak intensity. The following two tables define each scale in terms of the other scale's parameters, i.e., the Saffir/Simpson scale is defined in terms of a 10-min avg MSW in kts, and peak gusts in kts and in km/hr (Table 3) while the Australian scale is defined in terms of a 10-min avg MSW in kts and a 1-min avg MSW in mph (Table 4). All of the scales rank tropical cyclones using their maximum sustained winds, which are either observed, measured or estimated using various techniques, over a period between one and ten minutes. An estimate of cyclone severity is now included in all tropical cyclone advices.  When a system becomes a Category 3 tropical cyclone it is reclassified as a Severe tropical cyclone and has wind speeds of 64–85 kn (74–98 mph; 119–157 km/h). Unprotected windows may break if struck by flying debris. A category 5 cyclone is above 155 mph and is extremely disastrous and dangerous. Cyclone (Williams 1988) for VPX 10.4 beta + Started with Melons very nice VP9 table. An example of such scale is the Integrated Kinetic Energy index, which measures the destructive potential of the storm surge on the coast; it works on a scale that ranges from one to six, with six having the highest destructive potential.  The system should be estimated to have wind speeds of less than 28 knots (50 km/h, 32 mph). Office of Director General of Meteorology INDIA METEOROLOGICAL DEPARTMENT Mausam Bhawan, Lodhi Road New Delhi - 110003 Tropical cyclones that develop in the Northern Hemisphere are unofficially classified by the warning centres on one of three intensity scales. Definitions of cyclones and hurricanes. Examples: The Galveston Hurricane of 1900 and Opal of 1995 and reached Category Four status at peak intensity. Examples: Hurricanes Roxanne (pdf) of 1995 and Fran (pdf) of 1996 were Category Three hurricanes at landfall on the Yucatan Peninsula of Mexico and in North Carolina, respectively. If you test an existing cyclone, determine the different ratios for the actual equipment you are evaluating. Tropical cyclones that occur within the Northern Hemisphere to the east of the anti-meridian, are officially monitored by either the National Hurricane Center or the Central Pacific Hurricane Center.  As well as being squared for ACE, wind speed can also be cubed, which is referred to as the Power Dissipation Index (PDI). Organizing a big event? Below is a summary of the classifications used by the official warning centres worldwide. A very strong typhoon has wind speeds between 85–104 kn (44–54 m/s; 98–120 mph; 157–193 km/h), while a violent typhoon has wind speeds of 105 kn (54 m/s; 121 mph; 194 km/h) or greater.  Should the system continue to intensify further then it will be classified as a severe tropical storm, which has winds speeds between 48–63 kn (25–32 m/s; 55–72 mph; 89–117 km/h). 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".  It is calculated by taking the squares of the estimated maximum sustained velocity of every active tropical storm (wind speed 35 knots or higher) at six-hour intervals.  The JMA divides the typhoon category into three categories, with a 10-minute maximum wind speed below 84 kn (43 m/s; 97 mph; 156 km/h) assigned for the (strong) typhoon category. This term fell into disuse after the introduction of the Saffir–Simpson scale in the early 1970s. Tropical cyclones that occur within the Northern Hemisphere between the anti-meridian and 100°E are officially monitored by the Japan Meteorological Agency(JMA, RSMC Tokyo).  The Australian tropical cyclone intensity scale was introduced by the BoM, ahead of the 1989–90 cyclone season. The intensity of a tropical cyclone is classified by the maximum sustained wind (10-min mean) according to World Meteorological Organization (WMO). The India Meteorological Department's scale uses 7 different classifications for systems within the North Indian Ocean, and are based on the systems estimated 3-minute maximum sustained winds. Category 1 Tropical Cyclone : 986 - 995: 125: 63 - 88: 3.0 - 3.5: Negligible house damage. The terminology for tropical cyclones differs from one region to another.  These warnings use a 1-minute sustained wind speed and can be compared to the Saffir–Simpson hurricane wind scale; however, the JTWC uses their own scale for intensity classifications in this basin.  The region also defines a subtropical cyclone as a non-frontal low pressure disturbance, that has the characteristics of both tropical and extratropical cyclones.  A post tropical cyclone is a system that has weakened, into a remnant low or has dissipated and formal advisories are usually discontinued at this stage. Should the system intensify further or already have one-minute sustained winds of 34–63 kn (39–73 mph; 63–118 km/h), then it will be called either a tropical or subtropical storm and assigned a name (which replaces the spelled-out TC number; the two-digit number is still kept for purposes like the Automated Tropical Cyclone Forecasting System, as in 2018's TS 12 (KIRK)).  Should the tropical depression intensify further it is named and classified as a tropical storm, which has winds speeds between 34–47 kn (17–24 m/s; 39–54 mph; 63–87 km/h). Examples: Hurricane Mitch of 1998 was a Category Five hurricane at peak intensity over the western Caribbean.  The FMS numbers these systems when they have a potential to develop into a tropical cyclone or persist to cause significant impact to life and property, within its area of responsibility and have been analysed for the previous 24 hours. SKU: N/A Categories: Hockey Tables, Medium Hockey Tables.  During 2015 another modification to the intensity scale took place, with the IMD calling a system with 3-minute maximum sustained wind speeds between 90 and 119 kn (166–221 km/h, 104–137 mph): an extremely severe cyclonic storm. Cyclones are also categorized based on their gust wind speed and pressure and given a rating of 1–5 as per the so-called Saffir–Simpson scale shown in Table 2 ( … Our folding tables and chairs combine comfort and style. People, Livestock, and Pets Should a tropical depression reach wind speeds of 35 knots (65 km/h, 40 mph) then it will be classified as a moderate tropical storm and assigned a name by either the Sub Regional Center in Mauritius or Madagascar. Only a few scales of classifications are used officially by the meteorological agencies monitoring the tropical cyclones, but some alternative scales also exist, such as accumulated cyclone energy, the Power Dissipation Index, the Integrated Kinetic Energy Index, and the Hurricane Severity Index.  The system will be classified as a cyclonic storm and assigned a name by the IMD, if it should develop gale-force wind speeds of between 34 and 47 kn (39–54 mph; 62–88 km/h). Examples: Hurricane Mitch of 1998 was a Category Five hurricane at peak intensity over the western Caribbean. Any tropical cyclone that develops within the Southern Hemisphere between Africa and 90°E is monitored by Meteo France's La Reunion tropical cyclone centre (MFR, RSMC La Reunion).  Points are awarded on a sliding scale, with the majority of points reserved for hurricane force and greater wind fields.. , Tropical cyclones that occur within the Northern Hemisphere between the anti-meridian and 100°E are officially monitored by the Japan Meteorological Agency (JMA, RSMC Tokyo). However, the Saffir–Simpson Hurricane Scale is based on wind speed measurements averaged over a 1-minute period, at 10 m (33 ft).  The HSI is a 0 to 50 point scale, allotting up to 25 points for a tropical cyclone's intensity and up to 25 points for wind field size. Heavy damage to some crops. » Cyclone End Table | Omaha & Lincoln. The following table summarizes categories for tropical cyclones. A cyclone is defined in the dictionary as "an atmospheric system characterized by the rapid inward circulation of air masses about a low-pressure center, usually accompanied by stormy often destructive weather".. A hurricane is a type of tropical cyclone with sustained winds that exceed 74 mph and accompanied by rain, thunder and lightning. These differences make direct comparisons between basins difficult. In this table, categories of cyclone severity range from 1 for a system just reaching cyclone strength to 5 for the most severe cyclone.  These are run by the Fiji Meteorological Service, New Zealand's MetService, Indonesia's Badan Meteorologi, Klimatologi, dan Geofisika, Papua New Guinea's National Weather Service and the Australian Bureau of Meteorology. Subtropical Cyclone - a cyclone that forms South of the Equator, below the Tropic of Capricorn. The definition of sustained winds recommended by the World Meteorological Organization (WMO) and used by most weather agencies is that of a 10-minute average at a height of 10 m (33 ft) above the sea surface. National Oceanic and Atmospheric Administration. National Weather Service The Tropic of Cancer is a circle of latitude that lies 23.5 degrees North of the Equator.  However, a change was made during 1988 to introduce the category "severe cyclonic storm with core of hurricane winds" for tropical cyclones, with wind speeds of more than 64 kn (74 mph; 119 km/h). Hurricane Gilbert of 1988 was a Category Five hurricane at peak intensity and is the strongest Atlantic tropical cyclone of record. Within the region a tropical cyclone is defined to be a non-frontal synoptic scale cyclone originating over tropical or sub-tropical waters, with organized convection and a definite cyclonic surface wind circulation. Also, it will be assigned a tropical cyclone number (or TC number for short) comprising an officially spelled-out number (from ONE to THIRTY or less; these numbers are not recycled until next year) followed by (except for North Atlantic systems) a hyphen and a suffix letter ("-E" for East Pacific, "-C" for Central Pacific); a two-digit (plus any suffix) abbreviation (like TD 08 for North Atlantic depression EIGHT, TD 21E for East Pacific depression TWENTYONE-E, or TD 03C for Central Pacific depression THREE-C) is also generated for bulletin and other automated purposes. , The United States Joint Typhoon Warning Center also monitors the basin, and issues warnings on significant tropical cyclones on behalf of the United States Government; these systems are unofficially assigned TC numbers with suffix "S" (which spans the whole South Indian Ocean, including both BMKG and BoM areas of responsibility west of 135°E).  A Category 1 tropical cyclone is estimated to have 10-minute sustained wind speeds of 34–47 kn (39–54 mph; 63–87 km/h), while a Category 2 tropical cyclone is estimated to have 10-minute sustained wind speeds of 48–63 kn (55–72 mph; 89–117 km/h). An original Isamu Noguchi Cyclone dining table in excellent vintage condition, the top is clean with no stains or scratches and the base retains the original sticker, dated May 13, 1... Category Vintage 1970s American Mid-Century Modern Dining Room Tables Note: corresponding approximate wind gusts are also provided as a guide.  A Category 4 hurricane has winds of 113–136 kn (130–156 mph, 209–251 km/h), while a Category 5 hurricane has winds of at least 137 kn (157 mph, 252 km/h). Absolute in terms of effects, especially from flooding and landslides and has a speed 62! 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