{"id":35889,"date":"2023-06-12T05:06:46","date_gmt":"2023-06-11T23:36:46","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=35889"},"modified":"2025-04-21T13:09:31","modified_gmt":"2025-04-21T07:39:31","slug":"cyclonic-storm-biparjoy-likely-to-hit-gujarat","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/cyclonic-storm-biparjoy-likely-to-hit-gujarat\/","title":{"rendered":"Cyclonic storm &#8216;Biparjoy&#8217; likely to hit Gujarat"},"content":{"rendered":"<h3><strong>What\u2019s in today\u2019s article?<\/strong><\/h3>\n<ul>\n<li><strong>Why in news?<\/strong><\/li>\n<li><strong>What are Cyclones?<\/strong><\/li>\n<li><strong>Naming of Cyclones<\/strong><\/li>\n<li><strong>News Summary: Cyclonic storm &#8216;Biparjoy&#8217; likely to hit Gujarat<\/strong><\/li>\n<li><strong>Development of cyclones in the Arabian sea<\/strong><\/li>\n<li><strong>Cyclones developed in Arabian Sea and Indian Coast<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Why in news?<\/strong><\/h2>\n<ul>\n<li>The extremely severe cyclonic storm Biparjoy expected to make landfall on Gujarat\u2019s Kutch coast on June 15.<\/li>\n<li>There is yet no clarity about the exact location of its landing.<\/li>\n<li>However, the India Meteorological Department (IMD) said that Biparjoy is very likely to make landfall at some point between Mandvi in Gujarat and Karachi in Pakistan, with a maximum sustained wind speed of 125 to 135 kmph, gusting to 150 kmph.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>What are Cyclones?<\/strong><\/h2>\n<ul>\n<li><strong>Formation of cyclones<\/strong>\n<ul>\n<li>Tropical Cyclone is a <strong>weather phenomenon<\/strong>, which is formed <strong><u>only over warm ocean waters near the equator<\/u><\/strong>.<\/li>\n<li>Warm, moist air rises up and away from the ocean surface, creating an area of low pressure.<\/li>\n<li>It causes the air from surrounding areas with higher pressure to move towards the low-pressure area.<\/li>\n<li>This leads to warming up of air and causes it to rise above.<\/li>\n<li>As the air rises &amp; cools, the water in the air forms clouds.<\/li>\n<li>This complete system of clouds and wind spins &amp; grows, along with the ocean\u2019s heat.<\/li>\n<li>As the wind rotation speed increases, an eye gets formed in the middle.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Characteristics of a Tropical Cyclone:<\/strong>\n<ul>\n<li>The <strong><u>centre of a cyclone is very calm and clear with very low air pressure<\/u><\/strong>. The average speed is <strong>120 kmph<\/strong>.<\/li>\n<li>They have closed <strong>isobars<\/strong> which leads to greater velocity.<\/li>\n<\/ul>\n<\/li>\n<li>Isobars are imaginary lines on a weather map that connect <u>locations with equal atmospheric pressure<\/u>.\n<ul>\n<li>They develop over oceans and sea only.<\/li>\n<li>They <u>move from east to west<\/u> under the influence of trade winds.<\/li>\n<li>They are seasonal in nature.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Classification of cyclones<\/strong>\n<ul>\n<li>Cyclones are classified <strong>on the basis of wind speed<\/strong> by the Indian Meteorological Department (IMD):<\/li>\n<\/ul>\n<\/li>\n<li><strong>Depression: <\/strong>Wind speeds of between 31\u201349 km\/h<\/li>\n<li><strong>Deep Depression: <\/strong>Between 50-61 km\/h<\/li>\n<li><strong>Cyclonic Storm: <\/strong>Between 62\u201388 km\/h<\/li>\n<li><strong>Severe Cyclonic Storm: <\/strong>Between 89-117 Km\/h<\/li>\n<li><strong>Very Severe Cyclonic Storm: <\/strong>Between 118-166 Km\/h<\/li>\n<li><strong>Extremely Severe Cyclonic Storm<\/strong>: Between 166-221 Km\/h<\/li>\n<li><strong>Super Cyclonic Storm<\/strong>: Above 222 Km\/h<\/li>\n<\/ul>\n<h2>\u00a0<\/h2>\n<h2><strong>Naming of Cyclones<\/strong><\/h2>\n<ul>\n<li>\u2018Biparjoy\u2019 was suggested by Bangladesh. The naming of cyclones is done by countries on a rotational basis, following certain existing guidelines.<\/li>\n<li>Worldwide, there are <strong>six regional specialised meteorological centres<\/strong> (RSMCs) and <strong>five regional Tropical Cyclone Warning Centres<\/strong> (TCWCs) mandated for issuing advisories and naming of tropical cyclones.<\/li>\n<li>The five regional Tropical Cyclone Warning Centres (TCWCs) are:\n<ul>\n<li>ESCAP\/WMO Typhoon Committee,<\/li>\n<li>WMO\/ESCAP Panel on Tropical Cyclones,<\/li>\n<\/ul>\n<\/li>\n<li><strong>It is responsible for naming of cyclones in the Indian Ocean<\/strong>.<\/li>\n<li>RA I Tropical Cyclone Committee,<\/li>\n<li>RA IV Hurricane Committee,<\/li>\n<li>RA V Tropical Cyclone Committee.<\/li>\n<li>IMD is one of the six RSMCs to provide tropical cyclone and storm surge advisories to under the <strong>WMO\/Economic and Social Commission for Asia-Pacific (ESCAP).<\/strong>\n<ul>\n<li>WMO\/ ESCAP is an inter-governmental regional body jointly established by the World Meteorological Organization (WMO) and the United Nations Economic and Social Commission for Asia-Pacific (ESCAP) in 1972.<\/li>\n<li>Members \u2013 It has 13 countries as its members.\n<ul>\n<li>Bangladesh, India, Iran, Maldives, Myanmar, Oman, Pakistan, Qatar, Saudi Arabia, Sri Lanka, Thailand, United Arab Emirates and Yemen.<\/li>\n<\/ul>\n<\/li>\n<li>They contribute to a set of names which are assigned sequentially whenever a cyclonic storm develops.\n<ul>\n<li>The list of 169 cyclone names released by IMD in 2020 was provided by these countries \u2014 13 suggestions from each of the 13 countries.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>So, the tropical cyclones forming over different Ocean basins are named by the concerned RSMCs &amp; TCWCs.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>News Summary: Cyclonic storm &#8216;Biparjoy&#8217; likely to hit Gujarat<\/strong><\/h2>\n<ul>\n<li>The cyclone Biparjoy in the Arabian Sea, earlier seemed headed towards the Pakistan coastline, is now predicted to move slightly east towards the northern Gujarat coast.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Development of cyclones in the Arabian sea<\/strong><\/h2>\n<ul>\n<li>There are fewer number of cyclones in the Arabian Sea than the Bay of Bengal, but it is not uncommon.\n<ul>\n<li>In fact, June is one of the favourable months for the formation of cyclones in the Arabian Sea.<\/li>\n<\/ul>\n<\/li>\n<li>Bay of Bengal is slightly warmer. Hence, we see greater number of cyclones in the Bay of Bengal compared to Arabian Sea.<\/li>\n<li>However, due to climate change, the Arabian Sea side is also getting warmer, and as a result, the number of cyclones in the Arabian Sea is showing an increasing trend in the recent trend.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Cyclones developed in Arabian Sea and Indian Coast<\/strong><\/h2>\n<ul>\n<li>Cyclones in the Arabian Sea usually do not move towards the Indian coast.<\/li>\n<li>Most of them, more than 75 per cent of all Arabian Sea cyclones, move northwards or northwestwards.<\/li>\n<li>Some of them dissipate their energy over the sea itself.<\/li>\n<li>Only a small number of them, less than 25 per cent, move northeast, mainly towards the Gujarat coast.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong>Q1) What is Economic and Social Commission for Asia-Pacific (ESCAP)?<\/strong><\/h3>\n<p>The Economic and Social Commission for Asia and the Pacific (ESCAP) is a regional commission of the United Nations (UN) that serves as the largest intergovernmental platform for promoting economic and social development in the Asia-Pacific region. It was established in 1947 and is headquartered in Bangkok, Thailand.\u00a0ESCAP&#8217;s primary goal is to support member countries in achieving sustainable and inclusive development by providing policy advice, technical assistance, and capacity-building initiatives. The commission facilitates regional cooperation and coordination among its member countries to address common development challenges and promote regional integration.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<h3><strong>Q2)<\/strong> <strong>What is India Meteorological Department (IMD)?<\/strong><\/h3>\n<p>The India Meteorological Department (IMD) is the national meteorological service of India. It is responsible for meteorological observations, weather forecasting, and monitoring of weather-related phenomena in the country. The IMD is under the Ministry of Earth Sciences of the Government of India.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/indianexpress.com\/article\/india\/alert-sounded-as-cyclone-biparjoy-changes-its-path-heads-to-gujarat-coast-8657697\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>Alert sounded as cyclone Biparjoy changes its path, heads to Gujarat coast<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/www.thehindu.com\/news\/national\/cyclonic-storm-biparjoy-likely-to-hit-gujarat-on-june-15\/article66956987.ece\" target=\"_blank\" rel=\"nofollow noopener\"><u>The Hindu<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-climate\/cyclone-biparjoy-arabian-sea-formation-explained-name-8652859\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>Indian Express<\/u><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tropical Cyclone is a weather phenomenon, formed only over warm ocean waters near the equator.<\/p>\n","protected":false},"author":5,"featured_media":35890,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":{"0":"post-35889","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-mains-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/35889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=35889"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/35889\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/35890"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=35889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=35889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=35889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}