{"id":992,"date":"2022-06-29T10:44:10","date_gmt":"2022-06-29T05:14:10","guid":{"rendered":"http:\/\/knowledgekart.in\/blog\/?page_id=992"},"modified":"2022-06-29T10:44:13","modified_gmt":"2022-06-29T05:14:13","slug":"pre-monsoon-season-indian-climate-upsc","status":"publish","type":"page","link":"https:\/\/knowledgekart.in\/blog\/pre-monsoon-season-indian-climate-upsc\/","title":{"rendered":"Pre Monsoon Season Indian Climate UPSC"},"content":{"rendered":"\n<p><strong>Temperature Conditions during this season (Pre Monsoon Season Indian Climate UPSC<\/strong>)<strong>: <\/strong> <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>As the sun shifts northward towards the Tropic of Cancer after the vernal Equinox, the whole India experiences an <strong>increase in temperature<\/strong>.<\/li><li>In most parts of India, temperatures recorded are between 30\u00b0-32\u00b0C.<\/li><\/ul>\n\n\n\n<p><strong>North India<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>April, May and June are the months of summer in north India.<\/li><li>In May, the heat belt moves further north, and in the north-western part of India, temperatures around 48\u00b0C are not uncommon.<\/li><\/ul>\n\n\n\n<p><strong>South India:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The Peninsular situation of south India with <strong>moderating effect of the oceans<\/strong> keeps the temperatures lower than that prevailing in north India. So, temperatures remain between 26\u00b0C and 32\u00b0C.<\/li><li><strong>Western Ghats<\/strong> \u2013 Due to altitude, the temperatures in the hills of Western Ghats remain below 25\u00b0C.<\/li><li>The temperature increases from the coast towards the interior areas.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Surface Pressure and Winds:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>The <strong>atmospheric pressure is low<\/strong> all over the country due to high temperatures.<\/li><li>Since the sun goes gradually towards the north (summer solstice),  the Inter Tropical Convergence Zone (ITCZ) begins to move towards the  north (Eventually reaching up to 25\u00b0 latitude in July).<\/li><li>The general direction of winds is from the north-west and west in  north-western India, and from the south-west in the Arabian Sea and  adjoining coasts.<\/li><li>In the months of May and June, the high temperature in north-western India builds steep pressure gradient.<\/li><li>Under such conditions, hot dust-laden strong winds known as \u2018<strong>loo<\/strong>\u2019 blow. <ul><li>These strong dust storms result from the convective phenomenon and  their intensity increases in the afternoon. These are locally known as <strong>Andhis<\/strong>.<\/li><li>These are essentially short-lived thunderstorms, which move like a solid wall of sand and dust.<\/li><li>These bring little rainfall and give much needed relief from heat.<\/li><li>Dust storms in the evening are very common during May in Punjab, Haryana, Eastern Rajasthan and Uttar Pradesh. Pre Monsoon Season Indian Climate UPSC<\/li><\/ul><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pre monsoonal showers:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Occasionally, the moisture-laden winds are attracted towards the \nperiphery of the trough. A sudden contact between dry and moist air \nmasses gives rise to local storms of great intensity. These local storms\n are associated with violent winds, torrential rains and even \nhailstorms.<\/li><li>The thunderstorms which originate over Chotanagpur plateau are \ncarried eastwards by westerly winds. The areas with the highest \nincidence of thunderstorms are the north-eastern states, West Bengal, \nand the adjoining areas of Orissa and Jharkhand.<\/li><li>In West Bengal and the adjoining areas of Assam, Orissa and \nJharkhand, the direction of squalls is mainly from the northwest and \nthey are called <strong>Norwesters<\/strong> (Squall \u2013 a sudden, violent gusty wind).\n<ul><li>The rainfall brough by norwesters is called spring storm showers.<\/li><li>These are often very violent with squall speeds of 60-80km\/hour.<\/li><li>Large sized hailstones sometimes accompany these showers and harm the animals and standing crops.<\/li><li>The period of maximum occurrence of these storms is the month of Baisakh. These are thus locally called \u2018<strong>Kal Baisakh<\/strong> (a calamity of the month of Baisakh)\u2019.<\/li><li>In Assam, these storms are known as \u201c<strong>Bardoli Chheerha<\/strong> <strong>or Bordochila<\/strong>\u201d.<\/li><\/ul>\n<\/li><li>In the south, thunderstorms occur in Kerala and adjoining parts of \nKarnataka and Tamil Nadu particularly in the evenings and nights. These \npre-monsoonal showers are called by various names:\n<ul><li><strong>Tea showers<\/strong> in Assam ( they are good for tea, jute and rice)<\/li><li><strong>Mango showers<\/strong> in Kerala and coastal areas of Karnataka as they help in the early ripening of mangoes.<\/li><li><strong>Cherry Blossoms\/ Coffee showers<\/strong> in Kerala and nearby areas (good for coffee plantations)<\/li><\/ul>\n<\/li><\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"482\" height=\"414\" src=\"https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/local-winds-summer.jpg\" alt=\"Pre Monsoon Season Indian Climate UPSC \" class=\"wp-image-993\" title=\"\" srcset=\"https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/local-winds-summer.jpg 482w, https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/local-winds-summer-416x357.jpg 416w, https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/local-winds-summer-300x258.jpg 300w\" sizes=\"(max-width: 482px) 100vw, 482px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Tropical Cyclones:<\/h3>\n\n\n\n<p>Tropical Cyclones (TC) are intense low-pressure systems that develop \nover the seas or oceans in the tropical and subtropical regions. \nTropical cyclones cause destruction in the coastal areas because of:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>High wind velocities.<\/li><li>Storm Surge ( i.e. rise of coastal waters due to approaching cyclone)<\/li><li>Torrential rainfall which often lead to floods in the coastal areas.<\/li><\/ol>\n\n\n\n<p>Note: The interior regions do benefit from the torrential rain \nassociated with a tropical cyclone for agriculture and other \napplications of water.<\/p>\n\n\n\n<p>The Indian sub-continent having a coast line of 7516 km is the worst  affected region of the world. It is exposed to nearly 10% of the world\u2019s  Tropical Cyclones. Summer Season<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Many low-pressure systems of varying stages of development form in  the Bay of Bengal and in the Arabian Sea and move west or  north-westwards, sometimes re-curving north or north-east at a later  stage (See the following map ). Re-curvature usually occurs when these  systems are between 16\u00b0 and 18\u00b0N.<\/li><li>Only a few of them develop fully into the mature stage and the majority remain as depressions.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>The fully developed low-pressure systems called cyclones generally  form in the lower latitude belt (10\u00b0 N \u2013 14\u00b0N) before and after the SW  monsoon. They are very intense systems and are responsible for the major  portion of rainfall over the peninsula.<\/li><li><strong>These systems reach their maximum intensity before\/after the monsoon period.<\/strong><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>An analysis of the frequencies of cyclones on the East and West  coasts of India shows that the East Coast is more prone to tropical  cyclones as compared to the West Coast.<\/li><\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"634\" height=\"811\" src=\"https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/tropical-cyclones.jpg\" alt=\"Pre Monsoon Season Indian Climate UPSC \" class=\"wp-image-994\" title=\"\" srcset=\"https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/tropical-cyclones.jpg 634w, https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/tropical-cyclones-416x532.jpg 416w, https:\/\/knowledgekart.in\/blog\/wp-content\/uploads\/\/tropical-cyclones-235x300.jpg 235w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><\/figure>\n<\/div>\n\n\n<p><a href=\"http:\/\/knowledgekart.in\">Click Here to read more.<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/upsc.gov.in\" target=\"_blank\" rel=\"noopener\">UPSC.<\/a><\/p>\n\n\n\n<p>Pre Monsoon Season Indian Climate UPSC<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Temperature Conditions during this season (Pre Monsoon Season Indian Climate UPSC): As the sun shifts northward towards the Tropic of Cancer after the vernal Equinox, the whole India experiences an&hellip;<\/p>\n","protected":false},"author":6356,"featured_media":993,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-992","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/pages\/992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/users\/6356"}],"replies":[{"embeddable":true,"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/comments?post=992"}],"version-history":[{"count":0,"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/pages\/992\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/media\/993"}],"wp:attachment":[{"href":"https:\/\/knowledgekart.in\/blog\/wp-json\/wp\/v2\/media?parent=992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}