{"id":204501,"date":"2026-04-09T22:05:00","date_gmt":"2026-04-09T22:05:00","guid":{"rendered":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-21-2025-to-january-01-2026-at-68-0s-289-5e\/"},"modified":"2026-04-09T22:05:00","modified_gmt":"2026-04-09T22:05:00","slug":"heat-wave-occuring-from-december-21-2025-to-january-01-2026-at-68-0s-289-5e","status":"publish","type":"post","link":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-21-2025-to-january-01-2026-at-68-0s-289-5e\/","title":{"rendered":"Heat wave occuring from December 21 2025 to January 01 2026 at -68.0\u00b0S 289.5\u00b0E"},"content":{"rendered":"<p>Download data: <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/2025-Dec-21_to_2026-Jan-01_289.5_-68.0.json\">JSON<\/a><\/p>\n<p>Event type: Heat wave<\/p>\n<p>Countries affected (identified with ArcGIS Online; provided only for geographical reference):<\/p>\n<ul>\n<li>Antarctica<\/li>\n<\/ul>\n<p>Duration: 12 days<\/p>\n<p>Time span: December 21 2025 to January 01 2026<\/p>\n<p>Statistics over entire affected area: <\/p>\n<ul>\n<li>Mean temperature anomaly: 1.3 \u00b0C<\/li>\n<li>Mean temperature: 1.4 \u00b0C<\/li>\n<li>Maximum temperature anomaly: 2.5 \u00b0C<\/li>\n<li>Maximum temperature: 2.8 \u00b0C<\/li>\n<\/ul>\n<p>Event center: -68.0\u00b0S 289.5\u00b0E<\/p>\n<p>Area affected: 92172 km$^2$<\/p>\n<p><p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-large wp-image-117\" src=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\" alt=\"\" width=\"550\" height=\"1024\" \/><\/a><br clear=\"all\" \/>Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.<\/p>\n<p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_time_evo_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-large wp-image-117\" src=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_time_evo_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\" alt=\"\" width=\"550\" height=\"1024\" \/><\/a><br \/><br clear=\"all\" \/>Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.<\/p>\n<p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/evo_map_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-large wp-image-117\" src=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/evo_map_2025-Dec-21_to_2026-Jan-01_289.5_-68.0.jpg\" alt=\"\" width=\"550\" height=\"1024\" \/><\/a><br \/><br clear=\"all\" \/>Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.<\/p>\n<p>Event ID: Heat_wave_2025-Dec-21_to_2026-Jan-01_289.5_-68.0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Download data: JSON Event type: Heat wave Countries affected (identified with ArcGIS Online; provided only for geographical reference): Antarctica Duration: 12 days Time span: December 21 2025 to January 01 2026 Statistics over entire affected area: Mean temperature anomaly: 1.3 \u00b0C Mean temperature: 1.4 \u00b0C Maximum temperature anomaly: 2.5 \u00b0C Maximum temperature: 2.8 \u00b0C Event &hellip; <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-21-2025-to-january-01-2026-at-68-0s-289-5e\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Heat wave occuring from December 21 2025 to January 01 2026 at -68.0\u00b0S 289.5\u00b0E&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1124,1837,744],"tags":[],"class_list":["post-204501","post","type-post","status-publish","format-standard","hentry","category-extremes-affecting-antarctica","category-heat-waves-affecting-antarctica","category-weather-extremes-all-events"],"_links":{"self":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/204501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/comments?post=204501"}],"version-history":[{"count":0,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/204501\/revisions"}],"wp:attachment":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/media?parent=204501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/categories?post=204501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/tags?post=204501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}