{"id":168154,"date":"2026-04-08T00:49:59","date_gmt":"2026-04-08T00:49:59","guid":{"rendered":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-august-18-2021-to-august-25-2021-at-29-5n-268-5e\/"},"modified":"2026-04-08T00:49:59","modified_gmt":"2026-04-08T00:49:59","slug":"heat-wave-occuring-from-august-18-2021-to-august-25-2021-at-29-5n-268-5e","status":"publish","type":"post","link":"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-august-18-2021-to-august-25-2021-at-29-5n-268-5e\/","title":{"rendered":"Heat wave occuring from August 18 2021 to August 25 2021 at 29.5\u00b0N 268.5\u00b0E"},"content":{"rendered":"<p>Download data: <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/2021-Aug-18_to_2021-Aug-25_268.5_29.5.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>United States<\/li>\n<\/ul>\n<p>Duration: 8 days<\/p>\n<p>Time span: August 18 2021 to August 25 2021<\/p>\n<p>Statistics over entire affected area: <\/p>\n<ul>\n<li>Mean temperature anomaly: 2.2 \u00b0C<\/li>\n<li>Mean temperature: 29.6 \u00b0C<\/li>\n<li>Maximum temperature anomaly: 3.2 \u00b0C<\/li>\n<li>Maximum temperature: 31.3 \u00b0C<\/li>\n<\/ul>\n<p>Event center: 29.5\u00b0N 268.5\u00b0E<\/p>\n<p>Area affected: 79851 km$^2$<\/p>\n<p><p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5.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_2021-Aug-18_to_2021-Aug-25_268.5_29.5<\/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): United States Duration: 8 days Time span: August 18 2021 to August 25 2021 Statistics over entire affected area: Mean temperature anomaly: 2.2 \u00b0C Mean temperature: 29.6 \u00b0C Maximum temperature anomaly: 3.2 \u00b0C Maximum temperature: 31.3 \u00b0C &hellip; <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/heat-wave-occuring-from-august-18-2021-to-august-25-2021-at-29-5n-268-5e\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Heat wave occuring from August 18 2021 to August 25 2021 at 29.5\u00b0N 268.5\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":[1250,1881,744],"tags":[],"class_list":["post-168154","post","type-post","status-publish","format-standard","hentry","category-extremes-affecting-united-states","category-heat-waves-affecting-united-states","category-weather-extremes-all-events"],"_links":{"self":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/168154","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=168154"}],"version-history":[{"count":0,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/168154\/revisions"}],"wp:attachment":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/media?parent=168154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/categories?post=168154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/tags?post=168154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}