{"id":2728,"date":"2023-03-01T00:00:00","date_gmt":"2023-03-01T00:00:00","guid":{"rendered":"https:\/\/www.nextias.com\/current_affairs\/uncategorized\/01-03-2023\/el-nino-and-la-nina\/"},"modified":"2023-03-01T00:00:00","modified_gmt":"2023-03-01T00:00:00","slug":"el-nino-and-la-nina","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/01-03-2023\/el-nino-and-la-nina","title":{"rendered":"El Ni\u00f1o and La Ni\u00f1a"},"content":{"rendered":"<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>In Context<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">India is experiencing a colder winter than normal with the<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> La Ni\u00f1a <\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">is going on for a <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>record-breaking third consecutive year<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> also known as the <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>\u2018Triple dip\u2019 La Nina<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Forecasts for the<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> 2023 fall and winter<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> are predicting that <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>El Ni\u00f1o will<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> occur with more than a <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>50% probability<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Significance\u00a0<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Increase in the planet\u2019s average surface temperature:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>An El Ni\u00f1o year creates a global-warming crisis in miniature:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This is because the warm water spreading across the tropical Pacific and releases a large amount of heat into the atmosphere.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">An El Ni\u00f1o this year could increase the planet\u2019s average surface temperature <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>by more than 1.5\u00b0 C <\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">from pre-industrial levels.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Transition of La Ni\u00f1a to El Ni\u00f1o:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">A transition<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> from a La Ni\u00f1a winter<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> \u2013 which we are in currently \u2013<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> to an El Ni\u00f1o summer <\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">has historically tended to produce the largest deficit in the monsoon.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This means that pre-monsoon and monsoon circulations tend to be weaker in an El Ni\u00f1o year.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Weaker vertical shear:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The vertical shear, which is the change in intensity of winds from the surface to the upper atmosphere, tends to be weaker as well.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This in turn can favour <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>enhanced cyclogenesis, i.e. cyclone formation<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Monsoon Deficit &#038; dry events:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">If an El Ni\u00f1o state does emerge by summer, India is likely to experience a deficit monsoon in 2023.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The monsoon deficit will be accompanied by extreme wet and dry events.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">While overall seasonal total could be deficient, there are likely to be isolated pockets of heavy or very heavy rainfall.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Affecting weather worldwide:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Both phenomena affect the weather worldwide and can have drastic effects on economies that depend on rainfall.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>More about the El Ni\u00f1o, La Ni\u00f1a &#038; ENSO<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>El Ni\u00f1o:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>About:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">El Ni\u00f1o is the warming of seawater in the central-east Equatorial Pacific that occurs every few years.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">During El Ni\u00f1o, surface temperatures in the equatorial Pacific rise, and trade winds \u2014 east-west winds that blow near the Equator \u2014 weaken.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Normally, easterly trade winds blow from the Americas towards Asia. Due to El Ni\u00f1o, they falter and change direction to turn into westerlies, bringing warm water from the western Pacific towards the Americas.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Outcomes:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Disruptions in the food chain:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The phenomena of upwelling, where nutrient-rich waters rise towards the surface, is reduced under El Ni\u00f1o. This in turn reduces phytoplankton.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Thus, fish that eat phytoplankton are affected, followed by other organisms higher up the food chain.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Disruptions in the overall ecosystem:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Warm waters also carry tropical species towards colder areas, disrupting multiple ecosystems.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Alterations in wind &#038; weather patterns:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Since the Pacific covers almost one-third of the earth, changes in its temperature and subsequent alteration of wind patterns disrupt global weather patterns.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">El Ni\u00f1o causes dry, warm winters in Northern U.S. and Canada and increases the risk of flooding in the U.S. gulf coast and southeastern U.S. It also brings drought to Indonesia and Australia.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>La Ni\u00f1a:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>About:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">La Ni\u00f1a is the opposite of El Ni\u00f1o. La Ni\u00f1a sees cooler than average sea surface temperature (SST) in the equatorial Pacific region.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Trade winds are stronger than usual, pushing warmer water towards Asia.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Outcomes:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">On the American west coast, upwelling increases, bringing nutrient-rich water to the surface.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Pacific cold waters close to the Americas push jet streams \u2014 narrow bands of strong winds in the upper atmosphere \u2014 northwards.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This leads to drier conditions in Southern U.S., and heavy rainfall in Canada.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">La Ni\u00f1a has also been associated with heavy floods in Australia. Two successive La Ni\u00f1a events in the last two years caused intense flooding in Australia, resulting in significant damage.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align:center\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/7txUV-DzAdfW9VdiQTspgsVG-LPP_l9fg596atZgbTRIgMw4p4bPEycjNWPxN8O52CnNkiJyT_xKuPzbTZ_nYxbV33UxPoHf8i4oTw2qEOE3jj1byutzV8x3guI_tAJ2Pp4sIjRdlIGMcx5be9nGwsI\" style=\"height:330px; width:596px\" \/><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>ENSO:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The combination of El Ni\u00f1o, La Ni\u00f1a, and the neutral state between the two opposite effects is called the <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>El Ni\u00f1o Southern Oscillation (ENSO).<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Southern oscillations are <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>large-scale changes in sea level pressure in the tropical Pacific region<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Effect of El Ni\u00f1o &#038; La Ni\u00f1a on India\u2019s monsoons:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">In India, El Ni\u00f1o causes weak rainfall and more heat, while La Ni\u00f1a intensifies rainfall across South Asia, particularly in India\u2019s northwest and Bangladesh during the monsoon.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">At present, India, like the rest of the globe, is witnessing an extended \u2018triple dip\u2019 La Ni\u00f1a.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This is why India saw surplus rain in September, a month that usually sees the monsoon retreat, for the third year in a row.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div>\n<table cellspacing=\"0\" style=\"border-collapse:collapse; border:none; width:667px\">\n<tbody>\n<tr>\n<td style=\"border-bottom:1px solid #000000; border-left:1px solid #000000; border-right:1px solid #000000; border-top:1px solid #000000; vertical-align:top; width:667px\">\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>\u2018Triple dip\u2019 La Nina<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">India is seeing an extended spell of the La Nina, called a \u2018triple dip\u2019 La Nina which is a phenomenon lasting across three winter seasons in the northern hemisphere.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This is only the third time since 1950 that a triple-dip La Nina has been observed.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Cause:<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">\u00a0<\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Human-induced climate change<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> amplifies the impacts of naturally occurring events like La Ni\u00f1a and is increasingly influencing our weather patterns.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Extreme El Ni\u00f1o and La Ni\u00f1a events may increase in frequency from about one every 20 years to one every 10 years by the end of the 21st century under <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>aggressive greenhouse gas emission scenarios.<\/strong><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Source: TH<\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Context India is experiencing a colder winter than normal with the La Ni\u00f1a is going on for a record-breaking third consecutive year also known as the \u2018Triple dip\u2019 La Nina. Forecasts for the 2023 fall and winter are predicting that El Ni\u00f1o will occur with more than a 50% probability. Significance\u00a0 Increase in the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[25,45],"class_list":["post-2728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-gs1","tag-important-geophysical-phenomena"],"acf":[],"jetpack_featured_media_url":"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2023\/07\/4245334Screenshot_6.png","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/2728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=2728"}],"version-history":[{"count":0,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/2728\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media\/2729"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=2728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=2728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=2728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}