{"id":159665,"date":"2025-03-21T19:34:49","date_gmt":"2025-03-21T14:04:49","guid":{"rendered":"https:\/\/pwonlyias.com\/stage\/?post_type=current-affairs&#038;p=159665"},"modified":"2025-03-21T19:37:28","modified_gmt":"2025-03-21T14:07:28","slug":"cyclone-tauktae","status":"publish","type":"current-affairs","link":"https:\/\/pwonlyias.com\/stage\/current-affairs\/cyclone-tauktae","title":{"rendered":"Cyclone Tauktae"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Scientists from the Indian National Centre for Ocean Information Services (INCOIS), Hyderabad, have studied the causes behind the rapid <\/span><b>intensification and formation of Cyclone Tauktae in 2021.<\/b><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>Overview of Cyclone Tauktae<\/b><\/span><\/h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Cyclone Tauktae is <\/span><b>a tropical cyclone<\/b><span style=\"font-weight: 400;\"> named Myanmar.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">The word \u201c<\/span><b>Tauktae<\/b><span style=\"font-weight: 400;\">\u201d means <\/span><b>\u2018gecko,\u2019 <\/b><span style=\"font-weight: 400;\">a vocal lizard, in the Burmese language.<\/span><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-159653 alignright\" src=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2025\/03\/214-67dd6b140b919.webp\" alt=\"Cyclone Tauktae\" width=\"500\" height=\"290\" srcset=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2025\/03\/214-67dd6b140b919.webp 867w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2025\/03\/214-67dd6b140b919-300x174.webp 300w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2025\/03\/214-67dd6b140b919-768x446.webp 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><b>Occurrence Period:<\/b><\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-weight: 400;\">Tropical cyclones in <\/span><b>the North Indian Ocean region <\/b><span style=\"font-weight: 400;\">(Bay of Bengal and Arabian Sea) usually form during:<\/span>\n<ul>\n<li><b>Pre-monsoon period: April to June.<\/b><\/li>\n<li><b>Post-monsoon period: October to December.<\/b><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">Cyclone Tauktae occurred in the <\/span><b>Arabian Sea from May, 2021.<\/b><\/li>\n<li><span style=\"font-weight: 400;\">It was categorized as an <\/span><b>&#8220;extremely severe cyclonic storm.&#8221;<\/b><\/li>\n<li><b>Main Causes of Rapid Intensification of Cyclone Tauktae<\/b>\n<ul>\n<li><b>Atmospheric and Land Heating<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Increased heating in the atmosphere and land played a significant role, slightly more than the ocean.<\/span>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-weight: 400;\">Researchers found that <\/span><b>both the atmosphere and ocean<\/b><span style=\"font-weight: 400;\"> contributed to the intensification of Tauktae, with the atmosphere playing a slightly larger role (54%).<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">High humidity levels, sea surface temperatures, and ocean heat potential contributed to the cyclone&#8217;s intensification.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Role of Soil and Land<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Near the west coast, moist soil with temperatures above 25\u00b0C released latent heat into the atmosphere, strengthening the storm.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><b>Other Contributing Factors<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>La Ni\u00f1a:<\/b><span style=\"font-weight: 400;\"> Cooling of the Pacific Ocean, which impacts the Indian Ocean and monsoon.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Negative Indian Ocean Dipole (IOD):<\/b><span style=\"font-weight: 400;\"> Another climatic factor that affects monsoon patterns.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Atmospheric Oscillations: <\/b><span style=\"font-weight: 400;\">Helped increase relative humidity, leading to cyclone intensification.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"vc_table_green\"><\/p>\n<table style=\"width: 99.8999%;\">\n<tbody>\n<tr>\n<th style=\"width: 100%; border-style: solid; border-color: #000000; background-color: rgba(184, 165, 217, 0.53); text-align: left; vertical-align: middle;\">\n<h4><span style=\"color: #000000;\"><b>Tropical Cyclones<\/b><\/span><\/h4>\n<ul>\n<li><span style=\"font-weight: 400; color: #000000;\">A tropical cyclone is an intense, circular storm originating over warm tropical oceans. It is marked by low atmospheric pressure, strong winds, and heavy rainfall.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b>Key Features:<\/b><\/span>\n<ul>\n<li><span style=\"font-weight: 400; color: #000000;\">The central part of the cyclone, known as the eye, is characterized by clear skies, warm temperatures, and low pressure.<\/span><\/li>\n<li><span style=\"color: #000000;\"><b>Rotation:<\/b><\/span>\n<ul>\n<li><span style=\"font-weight: 400; color: #000000;\">In the Northern Hemisphere, cyclones rotate counterclockwise.<\/span><\/li>\n<li><span style=\"font-weight: 400; color: #000000;\">In the Southern Hemisphere, they rotate clockwise.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><span style=\"font-size: 15pt; color: #000000;\"><b>Conditions Favoring Cyclone Formation<\/b><\/span><\/h4>\n<p><span style=\"color: #000000;\"><b>For a tropical cyclone to form and intensify, the following conditions are essential:<\/b><\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Warm sea surface temperatures (above 27\u00b0C).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Coriolis Force (which influences cyclone rotation).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Minimal variation in vertical wind speed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Pre-existing low-pressure area.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000;\">Upper-level divergence (spreading of air at high altitudes).<\/span><\/li>\n<\/ul>\n<h4><span style=\"font-size: 15pt; color: #000000;\"><b>Classification of Cyclones<\/b><\/span><\/h4>\n<ul>\n<li><span style=\"font-weight: 400; color: #000000;\">Cyclone Tauktae weakened from an &#8220;Extremely Severe Cyclonic Storm&#8221; to a &#8220;Very Severe Cyclonic Storm.&#8221;<\/span><\/li>\n<li><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">India Meteorological Department (IMD) classifies cyclo<\/span><b>nes based on the Maximum Sustained Surface Wind Speed (MSW):<\/b><\/span><\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400; color: #000000;\">Severe Cyclone: MSW of 48-63 knots.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400; color: #000000;\">Very Severe Cyclone: MSW of 64-89 knots.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400; color: #000000;\">Extremely Severe Cyclone: MSW of 90-119 knots.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Super Cyclonic Storm: MSW of 120 knots or more.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <i><span style=\"font-weight: 400;\">(Note: One knot equals 1.8 kilometers per hour).<\/span><\/i><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/div>\n<div class=\"vc_table_green\"><\/p>\n<table style=\"width: 99.6375%;\">\n<tbody>\n<tr>\n<td style=\"width: 111.19%; text-align: center;\" colspan=\"2\"><span style=\"font-size: 18pt;\"><b>Also Read<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.797%; 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