{"id":334,"date":"2023-04-09T18:13:18","date_gmt":"2023-04-09T18:13:18","guid":{"rendered":"https:\/\/arcticwatch.info\/index.php\/2023\/04\/09\/facts-about-the-arctic-in-april-2023\/"},"modified":"2023-04-15T17:41:58","modified_gmt":"2023-04-15T17:41:58","slug":"facts-about-the-arctic-in-april-2023","status":"publish","type":"post","link":"https:\/\/arcticwatch.info\/index.php\/2023\/04\/09\/facts-about-the-arctic-in-april-2023\/","title":{"rendered":"Facts About the Arctic in April 2023"},"content":{"rendered":"<div>\n<p>Arctic sea ice extent in early April is singularly unexceptional. Here\u2019s the AWI AMSR2 version:<\/p>\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/AWI-Arctic-Extent-2023-04-06.png\"><img decoding=\"async\" loading=\"lazy\" width=\"886\" height=\"639\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/AWI-Arctic-Extent-2023-04-06.png\" alt=\"\" class=\"wp-image-22716\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/AWI-Arctic-Extent-2023-04-06.png 886w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AWI-Arctic-Extent-2023-04-06-300x216.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AWI-Arctic-Extent-2023-04-06-768x554.png 768w\" sizes=\"auto, (max-width: 886px) 100vw, 886px\"><\/a><\/figure>\n<p>Things start to become more interesting when looking at the third dimension. Here\u2019s the PIOMAS gridded thickness map for March 31st:<\/p>\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/PIOMAS-thickness_on_2023-03-31-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"880\" height=\"576\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/PIOMAS-thickness_on_2023-03-31-1.png\" alt=\"\" class=\"wp-image-22735\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/PIOMAS-thickness_on_2023-03-31-1.png 880w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/PIOMAS-thickness_on_2023-03-31-1-300x196.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/PIOMAS-thickness_on_2023-03-31-1-768x503.png 768w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\"><\/a><\/figure>\n<p>and the CryoSat-2\/SMOS map for the same date:<\/p>\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/CS2-SMOS-thickness_2023-03-31-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"880\" height=\"576\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/CS2-SMOS-thickness_2023-03-31-1.png\" alt=\"\" class=\"wp-image-22734\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/CS2-SMOS-thickness_2023-03-31-1.png 880w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/CS2-SMOS-thickness_2023-03-31-1-300x196.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/CS2-SMOS-thickness_2023-03-31-1-768x503.png 768w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\"><\/a><\/figure>\n<p>Note the differing distribution of thick ice north of Greenland and the Canadian Arctic Archipelago between the two maps. Note also the area of thinner ice along the coast of the Beaufort Sea visible on the CS2\/SMOS map.<\/p>\n<p>By way of explanation for that phenomenon see the March sea level pressure map from the latest edition of the <a rel=\"noreferrer noopener\" href=\"https:\/\/nsidc.org\/arcticseaicenews\/2023\/04\/polar-dawn-to-dusk\/\" target=\"_blank\">NSIDC\u2019s Arctic Sea Ice News<\/a>:<\/p>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"1009\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-1024x1009-1.png\" alt=\"\" class=\"wp-image-22736\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-1024x1009-1.png 1024w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-300x296.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-768x757.png 768w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-1536x1514.png 1536w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/NSIDC-MSLP-2023-03-2048x2019.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/a><\/figure>\n<p>The persistent low pressure on the Siberian side of the Arctic together with high pressure  over Greenland has led to significant ice drift from Alaska towards Svalbard. If you have the bandwidth for a multi megabyte download click the following image of AWI AMSR2 sea ice concentration to see an animation revealing the resulting disappearance of the area of open water north of Svalbard, and also periods of open water along the Beaufort Sea coast:<\/p>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31.gif\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"918\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31-1024x918-1.jpg\" alt=\"\" class=\"wp-image-22737\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31-1024x918-1.jpg 1024w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31-300x269.jpg 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31-768x689.jpg 768w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31-1536x1377.jpg 1536w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/AMSR2_Central_Arctic_SIC-LEADS-2023-03-31.jpg 1721w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/a><\/figure>\n<p>At this time of year that open water has refrozen, but another effect of the persistent ice drift is that the familiar arm of old ice in the Beaufort Sea has moved well to the north:<\/p>\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/iceage_nh_12.5km_20230326_20230401_ql.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"480\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/iceage_nh_12.5km_20230326_20230401_ql.jpg\" alt=\"\" class=\"wp-image-22738\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/iceage_nh_12.5km_20230326_20230401_ql.jpg 720w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/iceage_nh_12.5km_20230326_20230401_ql-300x200.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\"><\/a><\/figure>\n<p>All of which suggests that this year a relatively early melt in the Beaufort Sea is likely.<\/p>\n<p>The other side of the ice drift coin is that there is now plenty of old ice in the East Greenland Sea, and that <a href=\"https:\/\/sites.google.com\/view\/sea-ice\/\" target=\"_blank\" rel=\"noreferrer noopener\">regional ice extent<\/a> on the Atlantic side of the Arctic is anomalously high this year:<\/p>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"512\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08-1024x512-1.png\" alt=\"\" class=\"wp-image-22739\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08-1024x512-1.png 1024w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08-300x150.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08-768x384.png 768w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/Barents-Extent-2023-04-08.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/a><\/figure>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"512\" src=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08-1024x512-1.png\" alt=\"\" class=\"wp-image-22740\" srcset=\"https:\/\/arcticwatch.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08-1024x512-1.png 1024w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08-300x150.png 300w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08-768x384.png 768w, https:\/\/greatwhitecon.info\/wp-content\/uploads\/2023\/04\/E-Greenland-Extent-2023-04-08.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/a><\/figure>\n<p>How long do you suppose it will take for all the extra ice currently heading south past the east coast of Greenland to melt?<\/p>\n<p>Watch this space!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Arctic sea ice extent in early April is singularly unexceptional. Here\u2019s the AWI AMSR2 version: Things start to become more interesting when looking at the third dimension. Here\u2019s the PIOMAS gridded thickness map for March 31st: and the CryoSat-2\/SMOS map&#8230;<\/p>\n","protected":false},"author":2,"featured_media":335,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analysis"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/posts\/334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/comments?post=334"}],"version-history":[{"count":2,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/posts\/334\/revisions"}],"predecessor-version":[{"id":400,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/posts\/334\/revisions\/400"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/media\/335"}],"wp:attachment":[{"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/media?parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/categories?post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arcticwatch.info\/index.php\/wp-json\/wp\/v2\/tags?post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}