{"id":39045,"date":"2020-11-26T23:59:53","date_gmt":"2020-11-26T23:59:53","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=39045"},"modified":"2020-11-29T19:06:54","modified_gmt":"2020-11-29T19:06:54","slug":"low-pressure-over-the-gulf-of-alaska","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/39045","title":{"rendered":"Low pressure over the Gulf of Alaska"},"content":{"rendered":"<p><div style=\"width: 655px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/201126_goes17_visible_waterVapor_airMassRGB_Gulf_of_Alaska_cyclone_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/goa_rgb-20201127_030059.png\" alt=\"GOES-17 \" width=\"645\" height=\"302\" \/><\/a><p class=\"wp-caption-text\">GOES-17 &#8220;Red&#8221; Visible <em>(0.64 \u00b5m),<\/em> Mid-level Water Vapor <em>(6.9 \u00b5m)<\/em> and Air Mass RGB images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/201126_goes17_visible_waterVapor_airMassRGB_Gulf_of_Alaska_cyclone_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>1-minute\u00a0<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23225\"><strong>Mesoscale Domain Sector<\/strong><\/a> GOES-17 <em>(GOES-West)<\/em> &#8220;Red&#8221; Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>), Mid-level Water Vapor (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band09.pdf\"><strong>6.9 \u00b5m<\/strong><\/a>) and\u00a0<a href=\"http:\/\/rammb.cira.colostate.edu\/training\/visit\/quick_guides\/QuickGuide_GOESR_AirMassRGB_final.pdf\"><strong>Air Mass<\/strong><\/a>\u00a0Red-Green-Blue (RGB) images<em><strong> (above)\u00a0<\/strong><\/em>showed a Storm Force low (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/201126_EastPacific_surfaces_analyses_anim.gif\"><strong>surface analyses<\/strong><\/a>) developing in the Gulf of Alaska on 26 November 2020. As the storm intensified, trends of warming\/\/drying on the Water Vapor images and brighter orange\/red hues on the Air Mass RGB images near the center of circulation indicated the development of a potential vorticity anomaly that lowered the dynamic tropopause (bringing dry, ozone-rich\u00a0 air into the upper portion of the atmospheric column).<\/p>\n<p>A toggle between Suomi NPP VIIRS Visible (0.64 \u00b5m) and Infrared Window (11.45 \u00b5m) images<em><strong> (below)<\/strong> <\/em>showed the storm at 2228 UTC.<\/p>\n<div style=\"width: 651px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/201126_2228utc_suomiNPP_viirs_visible_infrared_Gulf_of_Alaska_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/11\/201126_2228utc_suomiNPP_viirs_visible_infrared_Gulf_of_Alaska_anim.gif\" alt=\"Suomi NPP VIIRS Visible (0.64 \u00b5m) and Infrared Window (11.45 \u00b5m) images [click to enlarge]\" width=\"641\" height=\"299\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Visible <em>(0.64 \u00b5m)<\/em> and Infrared Window <em>(11.45 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>1-minute\u00a0Mesoscale Domain Sector GOES-17 (GOES-West) &#8220;Red&#8221; Visible (0.64 \u00b5m), Mid-level Water Vapor (6.9 \u00b5m) and\u00a0Air Mass\u00a0Red-Green-Blue (RGB) images (above)\u00a0showed a Storm Force low (surface analyses) developing in the Gulf of Alaska on 26 November 2020. As the storm intensified, trends of warming\/\/drying on the Water Vapor images and brighter orange\/red hues on the Air Mass [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":39047,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80,45,49,48],"tags":[],"class_list":["post-39045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17","category-redgreenblue-rgb-images","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39045","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=39045"}],"version-history":[{"count":2,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39045\/revisions"}],"predecessor-version":[{"id":39048,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39045\/revisions\/39048"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/39047"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=39045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=39045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=39045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}