{"id":164579,"date":"2026-04-02T02:50:25","date_gmt":"2026-04-02T02:50:25","guid":{"rendered":"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-april-23-2021-to-may-17-2021-at-12-0n-41-0e\/"},"modified":"2026-04-02T02:50:25","modified_gmt":"2026-04-02T02:50:25","slug":"cold-spell-occuring-from-april-23-2021-to-may-17-2021-at-12-0n-41-0e","status":"publish","type":"post","link":"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-april-23-2021-to-may-17-2021-at-12-0n-41-0e\/","title":{"rendered":"Cold spell occuring from April 23 2021 to May 17 2021 at 12.0\u00b0N 41.0\u00b0E"},"content":{"rendered":"<p>Download data: <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/2021-Apr-23_to_2021-May-17_41.0_12.0.json\">JSON<\/a><\/p>\n<p>Event type: Cold spell<\/p>\n<p>Countries affected (identified with ArcGIS Online; provided only for geographical reference):<\/p>\n<ul>\n<li>Central African Republic<\/li>\n<li>Congo, The Democratic Republic of the<\/li>\n<li>Djibouti<\/li>\n<li>Eritrea<\/li>\n<li>Ethiopia<\/li>\n<li>Kenya<\/li>\n<li>Rwanda<\/li>\n<li>Saudi Arabia<\/li>\n<li>Somalia<\/li>\n<li>South Sudan<\/li>\n<li>Sudan<\/li>\n<li>Tanzania, United Republic of<\/li>\n<li>Uganda<\/li>\n<li>Yemen<\/li>\n<\/ul>\n<p>Duration: 25 days<\/p>\n<p>Time span: April 23 2021 to May 17 2021<\/p>\n<p>Statistics over entire affected area: <\/p>\n<ul>\n<li>Mean temperature anomaly: -3.0 \u00b0C<\/li>\n<li>Mean temperature: 23.6 \u00b0C<\/li>\n<li>Minimum temperature anomaly: -8.9 \u00b0C<\/li>\n<li>Minimum temperature: 11.1 \u00b0C<\/li>\n<\/ul>\n<p>Event center: 12.0\u00b0N 41.0\u00b0E<\/p>\n<p>Area affected: 3199201 km$^2$<\/p>\n<p><p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2021-Apr-23_to_2021-May-17_41.0_12.0.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_2021-Apr-23_to_2021-May-17_41.0_12.0.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_2021-Apr-23_to_2021-May-17_41.0_12.0.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_2021-Apr-23_to_2021-May-17_41.0_12.0.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_2021-Apr-23_to_2021-May-17_41.0_12.0.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_2021-Apr-23_to_2021-May-17_41.0_12.0.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: Cold_spell_2021-Apr-23_to_2021-May-17_41.0_12.0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Download data: JSON Event type: Cold spell Countries affected (identified with ArcGIS Online; provided only for geographical reference): Central African Republic Congo, The Democratic Republic of the Djibouti Eritrea Ethiopia Kenya Rwanda Saudi Arabia Somalia South Sudan Sudan Tanzania, United Republic of Uganda Yemen Duration: 25 days Time span: April 23 2021 to May 17 &hellip; <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-april-23-2021-to-may-17-2021-at-12-0n-41-0e\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Cold spell occuring from April 23 2021 to May 17 2021 at 12.0\u00b0N 41.0\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":[2133,2135,2137,1939,1957,2140,2485,2141,2109,1961,1941,2142,2143,2107,2002,1922,2136,1938,1956,1958,2197,2115,2108,1960,1940,2103,1962,2106,744],"tags":[],"class_list":["post-164579","post","type-post","status-publish","format-standard","hentry","category-cold-spells-affecting-central-african-republic","category-cold-spells-affecting-congo-the-democratic-republic-of-the","category-cold-spells-affecting-djibouti","category-cold-spells-affecting-eritrea","category-cold-spells-affecting-ethiopia","category-cold-spells-affecting-kenya","category-cold-spells-affecting-rwanda","category-cold-spells-affecting-saudi-arabia","category-cold-spells-affecting-somalia","category-cold-spells-affecting-south-sudan","category-cold-spells-affecting-sudan","category-cold-spells-affecting-tanzania-united-republic-of","category-cold-spells-affecting-uganda","category-cold-spells-affecting-yemen","category-extremes-affecting-central-african-republic","category-extremes-affecting-congo-the-democratic-republic-of-the","category-extremes-affecting-djibouti","category-extremes-affecting-eritrea","category-extremes-affecting-ethiopia","category-extremes-affecting-kenya","category-extremes-affecting-rwanda","category-extremes-affecting-saudi-arabia","category-extremes-affecting-somalia","category-extremes-affecting-south-sudan","category-extremes-affecting-sudan","category-extremes-affecting-tanzania-united-republic-of","category-extremes-affecting-uganda","category-extremes-affecting-yemen","category-weather-extremes-all-events"],"_links":{"self":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/164579","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=164579"}],"version-history":[{"count":0,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/164579\/revisions"}],"wp:attachment":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/media?parent=164579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/categories?post=164579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/tags?post=164579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}