{"id":57185,"date":"2024-02-13T22:58:00","date_gmt":"2024-02-13T22:58:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=57185"},"modified":"2024-02-14T22:33:08","modified_gmt":"2024-02-14T22:33:08","slug":"viirs-imagery-of-a-low-pressure-system-near-the-north-pole","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/57185","title":{"rendered":"VIIRS imagery of a low pressure system near the North Pole"},"content":{"rendered":"<p><div style=\"width: 1725px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240212_240213_suomiNPP_viirs_infrared_surface_low_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/np_viirs_ir-20240213_172101.png\" width=\"1715\" height=\"830\" \/><\/a><p class=\"wp-caption-text\">Suomi-NPP VIIRS Infrared Window (11.45 \u00b5m) images, from 2100 UTC on 12 February to 2213 UTC on 13 February [click to play animated GIF | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240212_240213_suomiNPP_viirs_infrared_surface_low_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>A sequence of Suomi-NPP VIIRS Infrared Window (11.45 \u00b5m) images <em><strong>(above)<\/strong><\/em> displayed the development of a coma-shaped cloud structure associated with a low pressure system near the North Pole (northwest of Greenland) on 13 February 2024. The single METAR surface report plotted is Svalbard, Norway (the reports for CWLT &#8212; Alert, Nunavut, Canada &#8212; were not available).<\/p>\n<p>Analyses from the <a href=\"https:\/\/weather.gc.ca\/analysis\/index_e.html\"><strong>Canadian Meteorological Centre<\/strong><\/a> <em><strong>(below)<\/strong><\/em> showed the evolution of the surface low.<\/p>\n<p><div style=\"width: 1799px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240213_Northern_Hemisphere_surface_analyses_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240213_18z_sfc_NH.gif\" width=\"1789\" height=\"1530\" \/><\/a><p class=\"wp-caption-text\">Surface analyses from 0600 UTC on 13 February to 0000 UTC on 14 February [click to play animated GIF]<\/p><\/div>Given the relatively frequent overpasses of polar-orbiting satellites over the high latitudes, cloud-tracked Atmospheric Motion Vectors (AMVs) can be calculated using Infrared data from VIIRS &#8212; examples that combine AMVs from Suomi-NPP and NOAA-20 (<a href=\"https:\/\/stratus.ssec.wisc.edu\/products\/rtpolarwinds\/rtpolarwinds.html\"><strong>source<\/strong><\/a>) are shown below.<\/p>\n<div style=\"width: 790px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240213_suomiNPP_noaa20_viirs_winds_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2024\/02\/240213_suomiNPP_noaa20_viirs_winds_anim.gif\" width=\"780\" height=\"815\" \/><\/a><p class=\"wp-caption-text\">Infrared images from Suomi-NPP and NOAA-20, with overlays of Atmospheric Wind Vectors, from 1311-2138 UTC on 13 February<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A sequence of Suomi-NPP VIIRS Infrared Window (11.45 \u00b5m) images (above) displayed the development of a coma-shaped cloud structure associated with a low pressure system near the North Pole (northwest of Greenland) on 13 February 2024. The single METAR surface report plotted is Svalbard, Norway (the reports for CWLT &#8212; Alert, Nunavut, Canada &#8212; were [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":57206,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37,78,25,49,48],"tags":[],"class_list":["post-57185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arctic","category-noaa-20","category-satellite-winds","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/57185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=57185"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/57185\/revisions"}],"predecessor-version":[{"id":57208,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/57185\/revisions\/57208"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/57206"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=57185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=57185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=57185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}