{"id":13736,"date":"2022-09-01T15:30:31","date_gmt":"2022-09-01T15:30:31","guid":{"rendered":"https:\/\/scienceandnerds.com\/2022\/09\/01\/get-ready-for-a-rare-triple-dip-la-nina\/"},"modified":"2022-09-01T15:30:31","modified_gmt":"2022-09-01T15:30:31","slug":"get-ready-for-a-rare-triple-dip-la-nina","status":"publish","type":"post","link":"https:\/\/scienceandnerds.com\/2022\/09\/01\/get-ready-for-a-rare-triple-dip-la-nina\/","title":{"rendered":"Get ready for a rare \u2018triple-dip\u2019 La Ni\u00f1a"},"content":{"rendered":"<p>Source: <a href=\"https:\/\/www.theverge.com\/2022\/8\/31\/23330521\/la-nina-rare-triple-dip-world-meteorological-organization-forecast-extreme-weather\">https:\/\/www.theverge.com\/2022\/8\/31\/23330521\/la-nina-rare-triple-dip-world-meteorological-organization-forecast-extreme-weather<\/a><br \/>\n<code><br \/><\/br><\/code><\/p>\n<div readability=\"83.758460517585\">\n<p id=\"Tswbht\">We\u2019re about to see the first \u201ctriple-dip\u201d La Ni\u00f1a of the century, spanning three consecutive Northern hemisphere winters, the World Meteorological Organization (WMO) predicts. The organization issued a <a href=\"https:\/\/public.wmo.int\/en\/our-mandate\/climate\/el-ni%C3%B1ola-ni%C3%B1a-update\">forecast<\/a> today warning of the unusual turn of events: the current La Ni\u00f1a, a weather pattern that can drive severe weather, will likely persist over the next six months into 2023. <\/p>\n<div class=\"c-float-right\">\n<aside id=\"VGFLPH\"><q>\u201cIt is exceptional  to have three consecutive years\u201d<\/q><\/aside>\n<\/div>\n<p id=\"eAdPyd\">\u201cIt is exceptional to have three consecutive years with a la Ni\u00f1a event,\u201d WMO Secretary-General Petteri Taalas said in a <a href=\"https:\/\/public.wmo.int\/en\/media\/press-release\/wmo-predicts-first-%E2%80%9Ctriple-dip%E2%80%9D-la-ni%C3%B1a-of-century\">press release<\/a>. The phenomenon is expected to continue fueling bad weather across far-flung corners of the world.<\/p>\n<p id=\"Ikkmao\"><a href=\"https:\/\/oceanservice.noaa.gov\/facts\/ninonina.html\">La Ni\u00f1a typically shows up<\/a> every two to seven years, usually lasting a year or less. It unfurls across the Pacific Ocean, but its effects can be felt across the globe. Along with El Ni\u00f1o, it\u2019s one of the extreme phases of the <a href=\"https:\/\/www.weather.gov\/mhx\/ensowhat\">El Ni\u00f1o-Southern Oscillation<\/a> (ENSO), a recurring climate pattern. <\/p>\n<p id=\"F9qWNB\">During a La Ni\u00f1a, unusually strong trade winds blow warm surface water from the Americas toward Asia. Then from the bottom of the sea, more cool water rises \u2014 leading to a cooling effect across the central and eastern tropical Pacific Ocean. The consequences of that phenomenon vary from region to region and are never quite the same each year, but La Ni\u00f1a usually has the opposite effects of an El Ni\u00f1o event. Australia <a href=\"http:\/\/www.bom.gov.au\/climate\/updates\/articles\/a020.shtml\">tends to get more rain<\/a>, for instance, while <a href=\"https:\/\/www.unocha.org\/themes\/el-ni%C3%B1o\/el-ni%C3%B1o-and-la-ni%C3%B1a\">Eastern Africa is usually dryer than normal<\/a>.<\/p>\n<p id=\"nRPRcg\">This particular La Ni\u00f1a event started in September 2020. Since then, its \u201challmark\u201d has been seen in abnormal weather events around the world, according to Taalas. That includes the longest drought in four decades to hit the Horn of Africa. Facing <a href=\"https:\/\/public.wmo.int\/en\/media\/news\/greater-horn-of-africa-faces-5th-failed-rainy-season\">five bone-dry rainy seasons<\/a> in a row, more than 50 million people in <a href=\"https:\/\/reliefweb.int\/report\/somalia\/eastern-africa-over-50-million-face-acute-food-insecurity-2022\">seven countries<\/a> stretching across Eastern Africa \u2014 from Eritrea down to Kenya and Somalia \u2014 are expected to experience food insecurity this year, according to a United Nations-backed <a href=\"https:\/\/news.un.org\/en\/story\/2022\/07\/1123132\">report<\/a>. The latest La Ni\u00f1a forecast confirms that the ongoing drought will continue to worsen, Taalas said. <\/p>\n<p id=\"gPWGnY\">In Australia, on the other hand, La Ni\u00f1a fed record rainfall. Last week, rain gauges in Sydney recorded over two meters (6.56 feet) of rain since the start of this year. It\u2019s the <a href=\"https:\/\/www.theguardian.com\/australia-news\/2022\/aug\/29\/storms-to-hit-most-states-as-sydney-sets-164-year-rainfall-record\">first time<\/a> the city has hit that mark this early in the year since record keeping began 164 years ago. <a href=\"https:\/\/www.washingtonpost.com\/climate-environment\/2022\/07\/05\/australia-flooding-sydney-record-rainfall\/\">Severe flooding<\/a> has plagued parts of New South Wales, where Sydney is the state capital, throughout the year. <\/p>\n<p id=\"ovMhwi\">Climate change is also <a href=\"https:\/\/www.theverge.com\/2021\/8\/9\/22613531\/climate-change-united-nations-report-extreme-weather-ipcc\">at play<\/a> when it comes to more extreme weather events \u2014 whether that\u2019s <a href=\"https:\/\/www.theverge.com\/22617371\/extreme-weather-science-attribution-un-report-climate-change\">drought, flood<\/a>, or La Ni\u00f1a. Research points to extreme La Ni\u00f1a and El Ni\u00f1o events becoming <a href=\"https:\/\/www.carbonbrief.org\/extreme-el-ninos-double-frequency-under-one-point-five-celsius-warming-study\/#:~:text=If%20global%20warming%20reaches%201.5,years%2C%20rather%20every%2020%20years.\">twice as frequent<\/a> \u2014 to about <a href=\"https:\/\/research.noaa.gov\/article\/ArtMID\/587\/ArticleID\/2685\/New-research-volume-explores-future-of-ENSO-under-influence-of-climate-change\">once every decade<\/a> \u2014 by the end of the century as global temperatures rise.<\/p>\n<p id=\"JqlsdF\">The WMO forecast a 70 percent chance of this La Ni\u00f1a sticking around through September to November of this year. There\u2019s a 55 percent chance of it persisting from December 2022 to February of next year.  <\/p>\n<\/div>\n<p><code><br \/><\/br><\/code><\/p>\n<p>Source: <a href=\"https:\/\/www.theverge.com\/2022\/8\/31\/23330521\/la-nina-rare-triple-dip-world-meteorological-organization-forecast-extreme-weather\">https:\/\/www.theverge.com\/2022\/8\/31\/23330521\/la-nina-rare-triple-dip-world-meteorological-organization-forecast-extreme-weather<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: We\u2019re about to see the first \u201ctriple-dip\u201d La Ni\u00f1a of the century, spanning three consecutive Northern hemisphere winters, the World Meteorological Organization (WMO) predicts. The organization issued a forecast today warning of the unusual turn of events: the current La Ni\u00f1a, a weather pattern that can drive severe weather, will likely persist over the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"pagelayer_contact_templates":[],"_pagelayer_content":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[40,26],"tags":[],"class_list":["post-13736","post","type-post","status-publish","format-standard","hentry","category-environment","category-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Get ready for a rare \u2018triple-dip\u2019 La Ni\u00f1a - Science and Nerds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceandnerds.com\/2022\/09\/01\/get-ready-for-a-rare-triple-dip-la-nina\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Get ready for a rare \u2018triple-dip\u2019 La Ni\u00f1a - Science and Nerds\" \/>\n<meta property=\"og:description\" content=\"Source: We\u2019re about to see the first \u201ctriple-dip\u201d La Ni\u00f1a of the century, spanning three consecutive Northern hemisphere winters, the World Meteorological Organization (WMO) predicts. 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