{"id":181159,"date":"2026-04-08T10:37:04","date_gmt":"2026-04-08T10:37:04","guid":{"rendered":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-28-2022-to-february-11-2023-at-22-0s-174-5e\/"},"modified":"2026-04-08T10:37:04","modified_gmt":"2026-04-08T10:37:04","slug":"heat-wave-occuring-from-december-28-2022-to-february-11-2023-at-22-0s-174-5e","status":"publish","type":"post","link":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-28-2022-to-february-11-2023-at-22-0s-174-5e\/","title":{"rendered":"Heat wave occuring from December 28 2022 to February 11 2023 at -22.0\u00b0S 174.5\u00b0E"},"content":{"rendered":"<p>Download data: <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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>Australia<\/li>\n<li>Fiji<\/li>\n<li>New Caledonia<\/li>\n<li>New Zealand<\/li>\n<li>Norfolk Island<\/li>\n<li>Papua New Guinea<\/li>\n<li>Solomon Islands<\/li>\n<li>Tonga<\/li>\n<li>Vanuatu<\/li>\n<\/ul>\n<p>Duration: 46 days<\/p>\n<p>Time span: December 28 2022 to February 11 2023<\/p>\n<p>Statistics over entire affected area: <\/p>\n<ul>\n<li>Mean temperature anomaly: 2.1 \u00b0C<\/li>\n<li>Mean temperature: 21.6 \u00b0C<\/li>\n<li>Maximum temperature anomaly: 11.2 \u00b0C<\/li>\n<li>Maximum temperature: 29.4 \u00b0C<\/li>\n<\/ul>\n<p>Event center: -22.0\u00b0S 174.5\u00b0E<\/p>\n<p>Area affected: 15248407 km$^2$<\/p>\n<p><p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0.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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0<\/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): Australia Fiji New Caledonia New Zealand Norfolk Island Papua New Guinea Solomon Islands Tonga Vanuatu Duration: 46 days Time span: December 28 2022 to February 11 2023 Statistics over entire affected area: Mean temperature anomaly: 2.1 \u00b0C &hellip; <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-december-28-2022-to-february-11-2023-at-22-0s-174-5e\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Heat wave occuring from December 28 2022 to February 11 2023 at -22.0\u00b0S 174.5\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":[1126,2193,2383,2030,2359,2184,2153,2287,2230,1868,2194,2408,2131,2360,2185,2154,2288,2231,744],"tags":[],"class_list":["post-181159","post","type-post","status-publish","format-standard","hentry","category-extremes-affecting-australia","category-extremes-affecting-fiji","category-extremes-affecting-new-caledonia","category-extremes-affecting-new-zealand","category-extremes-affecting-norfolk-island","category-extremes-affecting-papua-new-guinea","category-extremes-affecting-solomon-islands","category-extremes-affecting-tonga","category-extremes-affecting-vanuatu","category-heat-waves-affecting-australia","category-heat-waves-affecting-fiji","category-heat-waves-affecting-new-caledonia","category-heat-waves-affecting-new-zealand","category-heat-waves-affecting-norfolk-island","category-heat-waves-affecting-papua-new-guinea","category-heat-waves-affecting-solomon-islands","category-heat-waves-affecting-tonga","category-heat-waves-affecting-vanuatu","category-weather-extremes-all-events"],"_links":{"self":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/181159","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=181159"}],"version-history":[{"count":0,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/181159\/revisions"}],"wp:attachment":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/media?parent=181159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/categories?post=181159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/tags?post=181159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}