{"id":170599,"date":"2026-04-08T02:13:57","date_gmt":"2026-04-08T02:13:57","guid":{"rendered":"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-november-20-2021-to-december-12-2021-at-63-0n-21-5e\/"},"modified":"2026-04-08T02:13:57","modified_gmt":"2026-04-08T02:13:57","slug":"cold-spell-occuring-from-november-20-2021-to-december-12-2021-at-63-0n-21-5e","status":"publish","type":"post","link":"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-november-20-2021-to-december-12-2021-at-63-0n-21-5e\/","title":{"rendered":"Cold spell occuring from November 20 2021 to December 12 2021 at 63.0\u00b0N 21.5\u00b0E"},"content":{"rendered":"<p>Download data: <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/2021-Nov-20_to_2021-Dec-12_21.5_63.0.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>Belarus<\/li>\n<li>Denmark<\/li>\n<li>Estonia<\/li>\n<li>Finland<\/li>\n<li>Latvia<\/li>\n<li>Lithuania<\/li>\n<li>Norway<\/li>\n<li>Poland<\/li>\n<li>Russian Federation<\/li>\n<li>Svalbard and Jan Mayen<\/li>\n<li>Sweden<\/li>\n<li>United Kingdom<\/li>\n<\/ul>\n<p>Duration: 23 days<\/p>\n<p>Time span: November 20 2021 to December 12 2021<\/p>\n<p>Statistics over entire affected area: <\/p>\n<ul>\n<li>Mean temperature anomaly: -8.4 \u00b0C<\/li>\n<li>Mean temperature: -9.5 \u00b0C<\/li>\n<li>Minimum temperature anomaly: -24.3 \u00b0C<\/li>\n<li>Minimum temperature: -28.5 \u00b0C<\/li>\n<\/ul>\n<p>Event center: 63.0\u00b0N 21.5\u00b0E<\/p>\n<p>Area affected: 4631720 km$^2$<\/p>\n<p><p><a href=\"https:\/\/wexa.jamstec.go.jp\/home\/wp-content\/uploads\/extreme_weather_anomaly_map_2021-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0.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-Nov-20_to_2021-Dec-12_21.5_63.0<\/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): Belarus Denmark Estonia Finland Latvia Lithuania Norway Poland Russian Federation Svalbard and Jan Mayen Sweden United Kingdom Duration: 23 days Time span: November 20 2021 to December 12 2021 Statistics over entire affected area: Mean temperature anomaly: &hellip; <a href=\"https:\/\/wexa.jamstec.go.jp\/home\/cold-spell-occuring-from-november-20-2021-to-december-12-2021-at-63-0n-21-5e\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Cold spell occuring from November 20 2021 to December 12 2021 at 63.0\u00b0N 21.5\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":[2365,2367,2368,2361,2369,2370,2327,2318,2130,2244,2363,2373,1998,2061,1871,1873,1875,1877,1890,2080,1842,2243,1879,2090,744],"tags":[],"class_list":["post-170599","post","type-post","status-publish","format-standard","hentry","category-cold-spells-affecting-belarus","category-cold-spells-affecting-denmark","category-cold-spells-affecting-estonia","category-cold-spells-affecting-finland","category-cold-spells-affecting-latvia","category-cold-spells-affecting-lithuania","category-cold-spells-affecting-norway","category-cold-spells-affecting-poland","category-cold-spells-affecting-russian-federation","category-cold-spells-affecting-svalbard-and-jan-mayen","category-cold-spells-affecting-sweden","category-cold-spells-affecting-united-kingdom","category-extremes-affecting-belarus","category-extremes-affecting-denmark","category-extremes-affecting-estonia","category-extremes-affecting-finland","category-extremes-affecting-latvia","category-extremes-affecting-lithuania","category-extremes-affecting-norway","category-extremes-affecting-poland","category-extremes-affecting-russian-federation","category-extremes-affecting-svalbard-and-jan-mayen","category-extremes-affecting-sweden","category-extremes-affecting-united-kingdom","category-weather-extremes-all-events"],"_links":{"self":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/170599","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=170599"}],"version-history":[{"count":0,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/posts\/170599\/revisions"}],"wp:attachment":[{"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/media?parent=170599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/categories?post=170599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wexa.jamstec.go.jp\/home\/wp-json\/wp\/v2\/tags?post=170599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}