{"id":22671,"date":"2021-10-14T22:43:59","date_gmt":"2021-10-15T02:43:59","guid":{"rendered":"https:\/\/site.extension.uga.edu\/climate\/?p=22671"},"modified":"2021-10-14T22:54:40","modified_gmt":"2021-10-15T02:54:40","slug":"noaa-la-nina-has-returned","status":"publish","type":"post","link":"https:\/\/site.extension.uga.edu\/climate\/2021\/10\/noaa-la-nina-has-returned\/","title":{"rendered":"NOAA: La Ni\u00f1a has returned"},"content":{"rendered":"\n<p>As expected, today NOAA issued a La Ni\u00f1a Advisory, indicating that La Ni\u00f1a conditions have developed and are expected to continue with an 87% chance of La Ni\u00f1a in December 2021- February 2022. We&#8217;ve been expecting this for a while, but it takes several months after signs start to appear before one is officially declared. You can read the official announcement <a href=\"https:\/\/www.cpc.ncep.noaa.gov\/products\/analysis_monitoring\/enso_advisory\/ensodisc.shtml\">here<\/a>. The <em>Washington Post<\/em> also has a <a href=\"https:\/\/www.washingtonpost.com\/weather\/2021\/10\/14\/la-nina-winter-forecast\/?fbclid=IwAR0n6j-HmjN-NgiMWOUJtR5rErGRKzVYipZ2CYBHU30IdD1nPYdFU_CTcno\">story<\/a> today describing what the La Ni\u00f1a means for the US climate for the next few months:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Extending favorable conditions for Atlantic hurricane activity this fall.<\/li><li>Worsening&nbsp;<a href=\"https:\/\/droughtmonitor.unl.edu\/CurrentMap\/StateDroughtMonitor.aspx?West\" target=\"_blank\" rel=\"noreferrer noopener\">drought conditions in the Southwest<\/a>&nbsp;through the winter and potentially elevating the fire risk through the fall.<\/li><li>Raising the odds of a cold, stormy winter across the northern tier of the United States and a mild, dry winter across the South.<\/li><li>Increasing tornado activity in the Plains and South during the spring.<\/li><\/ul>\n\n\n\n<p>Below is a composite of the temperature anomaly for North America for the second year of a double-dip La Ni\u00f1a from climatologist Brian Brettschneider, showing that if you like cold, Alaska is the place to be this winter. For us in the Southeast, warmer than normal conditions are likely barring an oddball event like the Sudden Stratospheric Warming last year.<\/p>\n\n\n\n<p>If you&#8217;d like to see how the precipitation pattern changes depending on whether we are in a La Ni\u00f1a or El Ni\u00f1o, Jan Null has provided a comparison for the last 20 years to show how winter precipitation varied with each year at <a href=\"https:\/\/ggweather.com\/enso\/october\/\">https:\/\/ggweather.com\/enso\/october\/<\/a>. We are predicted to be in a weak to moderate La Ni\u00f1a.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/site.extension.uga.edu\/climate\/files\/2021\/10\/la-nina-composite-year-2-brettschneider.png\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"525\" src=\"https:\/\/site.extension.uga.edu\/climate\/files\/2021\/10\/la-nina-composite-year-2-brettschneider.png\" alt=\"\" class=\"wp-image-22672\" srcset=\"https:\/\/site.extension.uga.edu\/climate\/files\/2021\/10\/la-nina-composite-year-2-brettschneider.png 680w, https:\/\/site.extension.uga.edu\/climate\/files\/2021\/10\/la-nina-composite-year-2-brettschneider-300x232.png 300w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/a><figcaption>We<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>As expected, today NOAA issued a La Ni\u00f1a Advisory, indicating that La Ni\u00f1a conditions have developed and are expected to continue with an 87% chance of La Ni\u00f1a in December 2021- February 2022. We&#8217;ve been expecting this for a while, but it takes several months after signs start to appear before one is officially declared. [&hellip;]<\/p>\n","protected":false},"author":58,"featured_media":22672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,22],"tags":[],"class_list":["post-22671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-and-ag-in-the-news","category-el-nino-and-la-nina"],"_links":{"self":[{"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/posts\/22671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/comments?post=22671"}],"version-history":[{"count":3,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/posts\/22671\/revisions"}],"predecessor-version":[{"id":22675,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/posts\/22671\/revisions\/22675"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/media\/22672"}],"wp:attachment":[{"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/media?parent=22671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/categories?post=22671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.extension.uga.edu\/climate\/wp-json\/wp\/v2\/tags?post=22671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}