{"id":41041,"date":"2025-04-12T19:23:35","date_gmt":"2025-04-12T13:53:35","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=41041"},"modified":"2025-04-12T20:50:09","modified_gmt":"2025-04-12T15:20:09","slug":"neutral-conditions-pacific-ocean-us-weather-monitor","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/12-04-2025\/neutral-conditions-pacific-ocean-us-weather-monitor","title":{"rendered":"Neutral Conditions to Prevail in Pacific Ocean: US Weather Monitor\u00a0\u00a0"},"content":{"rendered":"\n<p><strong>Syllabus: GS1\/Geography<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recently, the <strong>National Oceanic and Atmospheric Administration (NOAA)<\/strong> has forecasted that neutral conditions will dominate the Pacific Ocean until October 2025.\n<ul class=\"wp-block-list\">\n<li>It highlights the absence of <strong>El Ni\u00f1o or La Ni\u00f1a phenomena<\/strong>, collectively known as the <strong>El Ni\u00f1o-Southern Oscillation (ENSO).<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>About El Ni\u00f1o-Southern Oscillation (ENSO)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It is a naturally occurring climate phenomenon resulting from i<strong>nteractions between the ocean and atmosphere<\/strong> in the <strong>equatorial Pacific Ocean<\/strong>. It has three distinct phases:<\/li>\n\n\n\n<li><strong>El Ni\u00f1o:<\/strong> It is a naturally occurring climate pattern associated with the <strong>warming of the ocean surface<\/strong> temperatures in the<strong> central and eastern tropical Pacific Ocean<\/strong>.\n<ul class=\"wp-block-list\">\n<li>It occurs irregularly at <strong>two to seven year intervals.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-dominant-color=\"c3d9df\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"1015\" height=\"300\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/el-nino.png\" alt=\"el nino\" class=\"not-transparent wp-image-41043\" style=\"--dominant-color: #c3d9df; width:560px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/el-nino.png 1015w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/el-nino-300x89.png 300w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/el-nino-768x227.png 768w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/17-12-2024\/la-nina-affect-on-india-climate\"><strong>La Nina:<\/strong><\/a> It is characterised by cooler than average ocean surface temperatures in the central and eastern tropical Pacific Ocean.\n<ul class=\"wp-block-list\">\n<li>During La Ni\u00f1a events, trade winds are even stronger than usual, pushing more warm water toward Asia.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"afd4e1\" data-has-transparency=\"false\" style=\"--dominant-color: #afd4e1;\" loading=\"lazy\" decoding=\"async\" width=\"618\" height=\"157\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/la-nina.png\" alt=\"la nina\" class=\"not-transparent wp-image-41042\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/la-nina.png 618w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/04\/la-nina-300x76.png 300w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Neutral: <\/strong>Neither El Ni\u00f1o nor La Ni\u00f1a conditions dominate.\n<ul class=\"wp-block-list\">\n<li>Neutral conditions occur when sea surface temperatures in the equatorial Pacific Ocean remain close to the long-term average.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background-color:#fff2cc\"><tbody><tr><td colspan=\"3\"><strong>Key Components of ENSO<\/strong><\/td><\/tr><tr><td><strong>El Ni\u00f1o<\/strong><\/td><td><strong>La Ni\u00f1a<\/strong><\/td><td><strong>Southern Oscillation<\/strong><\/td><\/tr><tr><td>&#8211; Suppresses rainfall in Australia, Indonesia, and India.<br>&#8211; Increases rainfall and flooding in the southern US and Peru.<br>&#8211; Typically weakens the Indian Monsoon and increases hurricane activity in the Pacific.<\/td><td>&#8211; Strengthens monsoons in South Asia.<br>&#8211; Brings drought to the U.S. Southwest.<br>&#8211; Causes increased Atlantic hurricane activity.<\/td><td>&#8211; Refers to the atmospheric component of ENSO.<br>&#8211; Measured via the <strong>Southern Oscillation Index (SOI),<\/strong> which tracks pressure differences between <strong>Tahiti and Darwin, Australia.<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Recent Trends<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The NOAA report indicates that the short and weak La Ni\u00f1a observed earlier this year has transitioned into neutral conditions.<\/li>\n\n\n\n<li>Sub-surface temperatures in the Pacific have normalized, signaling the end of La Ni\u00f1a.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Impact on Global Weather&nbsp;&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Global Implications: <\/strong>Neutral conditions reduce the likelihood of extreme weather events linked to El Ni\u00f1o or La Ni\u00f1a, such as droughts or floods.\n<ul class=\"wp-block-list\">\n<li>However, localized weather anomalies may still occur due to other climatic factors.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>India&#8217;s Southwest Monsoon:<\/strong> ENSO-neutral conditions are generally associated with normal or above-normal rainfall during India&#8217;s monsoon season.\n<ul class=\"wp-block-list\">\n<li>It&nbsp; is a positive development for agriculture, as nearly 70% of India&#8217;s annual rainfall occurs between June and September.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background-color:#ebecf0\"><tbody><tr><td colspan=\"3\"><strong>Global Impacts of ENSO<\/strong><\/td><\/tr><tr><td><strong>Region<\/strong><\/td><td><strong>El Ni\u00f1o Effects<\/strong><\/td><td><strong>La Ni\u00f1a Effects<\/strong><\/td><\/tr><tr><td><strong>India<\/strong><\/td><td>&#8211; Weaker monsoon, droughts<\/td><td>&#8211; Stronger monsoon, flooding<\/td><\/tr><tr><td><strong>USA<\/strong><\/td><td>&#8211; Wetter South, drier North<\/td><td>&#8211; Drier South, colder North<\/td><\/tr><tr><td><strong>South America<\/strong><\/td><td>&#8211; Heavy rains and floods (Peru, Ecuador)<\/td><td>&#8211; Drier west coast<\/td><\/tr><tr><td><strong>Africa<\/strong><\/td><td>&#8211; Drought in southern Africa<\/td><td>&#8211; Flooding in parts of East Africa<\/td><\/tr><tr><td><strong>Australia<\/strong><\/td><td>&#8211; Droughts and bushfires<\/td><td>&#8211; Cooler, wetter weather<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Future Outlook <\/strong>&nbsp;<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Forecast Accuracy:<\/strong> NOAA predicts a 50% chance of ENSO-neutral conditions persisting through August-October 2025.\n<ul class=\"wp-block-list\">\n<li>IMD is expected to release its <strong>Long Range Forecast<\/strong> for the monsoon season soon, incorporating these findings.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Monitoring ENSO:<\/strong> Continuous monitoring of sea surface temperatures and atmospheric patterns is essential for early detection of any shifts toward El Ni\u00f1o or La Ni\u00f1a.<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/indianexpress.com\/article\/india\/normal-monsoon-likely-this-year-as-us-weather-monitor-and-imd-rule-out-el-nino-9939624\/\" rel=\"nofollow noopener\" target=\"_blank\">Source: IE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<h3><strong>Context<\/strong><\/h3>\n<li class=\"ms-5\">Recently, the National Oceanic and Atmospheric Administration (NOAA) has forecasted that neutral conditions will dominate the Pacific Ocean until October 2025.<\/li>\n<p><\/p>\n<h3><strong>About El Ni\u00f1o-Southern Oscillation (ENSO)<\/strong><\/h3>\n<li class=\"ms-5\">It is a naturally occurring climate phenomenon resulting from interactions between the ocean and atmosphere in the equatorial Pacific Ocean. It has three distinct phases:<\/li>\n<li class=\"ms-5\">El Ni\u00f1o: It is a naturally occurring climate pattern associated with the warming of the ocean surface temperatures in the central and eastern tropical Pacific Ocean.<\/li>\n<p><a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/12-04-2025\/neutral-conditions-pacific-ocean-us-weather-monitor\" class=\"btn btn-primary btn-sm float-end\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-41041","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/41041","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\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=41041"}],"version-history":[{"count":3,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/41041\/revisions"}],"predecessor-version":[{"id":41086,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/41041\/revisions\/41086"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=41041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=41041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=41041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}