A tropical cyclone is a rotating, organized system with winds, clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation. Cyclones and other natural disasters that affect India and the world are important topics for the UPSC exam.It is important for both the geography and the disaster management topics in the UPSC … The tradition of naming cyclones started with hurricanes in the Atlantic Ocean, where tropical storms that reach sustained wind speeds of 39 miles per hour were given names In 1953, the US weather service officially adopted the idea and created a new phonetic alphabet (international) of women’s names from A to W, leaving out Q, U, X, Y and Z. ESSAY TEST SERIES 2021- UPSC IAS MAINS Examination It is developed in mid and high latitude beyond the tropic means between 30 to 60-degree latitude in both hemispheres. For cyclones in the Bay of Bengal and Arabian Sea, the naming system was agreed by eight member countries of a group called WMO/ESCAP and took effect in 2004. How are cyclones named? Candidates preparing for UPSC IAS Civil Services Prelims Exam 2016 as well as State PCS such as MP PCS, UPPCS, RAS, JPSC etc. ... IAS-UPSC.com will use the information you provide on this form to be in touch with you and to provide updates and marketing. Based on their latitude, the cyclones may be tropical cyclones or temperate cyclones (extra-tropical … Context: Tropical Storm Hikaa develops into Cyclone. They are infact low pressure centers produced in the middle latitude characterized by converging and rising air, cloudiness and precipitation. Tropical cyclones are what most people are familiar with because these are cyclones that occur over tropical ocean regions. Tropical Cyclone: A tropical cyclone is a destructive storm that originated in a warm ocean and winds circulate around low pressure. As per Ferrel law, it rotates anticlockwise wise in the northern hemisphere and clockwise in the southern hemisphere. A Cyclone represents a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has closed low-level circulation. A strong subtropical ridge usually steers a tropical cyclone to move along its periphery. What is a Tropical Cyclone? Most large scale cyclonic circulations are centred on areas of low atmospheric pressure. ; The Indian Meteorological Department (IMD) said that the tropical storm has weakened from a ‘Very Severe Cyclonic Storm’ to a ‘Severe Cyclonic Storm’ with a wind speed of 100-110 km per hour,; As per IMD predictions, it would continue to move … Each Tropical Cyclone basin in the world has its own rotating list of names. Extra-tropical cyclone: An extratropical cyclone is also called as a temperate cyclone. Origin and Development of Temperate Cyclones Polar Front Theory According to this theory, the warm-humid air masses from the tropics … Cyclone Nivar is a ‘severe cyclonic storm’ that hit the southeastern coast of India in the early hours of 26 November 2020. Wind speeds may exceed 119 km per hour, it may last from a few days to 3 weeks. The systems developing in the mid and high latitude (35° latitude and 65° latitude in both hemispheres), beyond the tropics are called the Temperate Cyclones or Extra Tropical Cyclones or Mid-Latitude Cyclones or Frontal Cyclones or Wave Cyclones. In Northern Hemisphere, recurvature of a tropical cyclone is defined as the situation when a tropical cyclone transits from a mainly westward track to a northward and sometimes even an eastward track. Stage of formation of the temperate cyclone : In News: NIVAR Cyclone made a landfall 30 km north of Puducherry and 115 km south of Chennai on the night of 25th November. 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