{"id":30756,"date":"2018-11-19T22:41:12","date_gmt":"2018-11-19T22:41:12","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=30756"},"modified":"2018-11-20T00:38:03","modified_gmt":"2018-11-20T00:38:03","slug":"gale-force-low-in-the-gulf-of-alaska","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/30756","title":{"rendered":"Gale-force low in the Gulf of Alaska"},"content":{"rendered":"<div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/181119_goes17_waterVapor_Alaska_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/G17_WATER_VAPOR_ANCHORAGE_19NOV2018_2018323_120038_GOES-17_0003PANELS_PANC.gif\" alt=\"GOES-17 Low-level (7.3 \u00b5m, left), Mid-level (6.9 \u00b5m, center) and Upper-level (6.2 \u00b5m, right) Water Vapor images [click to play animation | MP4]\" width=\"639\" height=\"417\" \/><\/a><p class=\"wp-caption-text\">GOES-17 Low-level <em>(7.3 \u00b5m, left),<\/em> Mid-level <em>(6.9 \u00b5m, center)<\/em> and Upper-level <em>(6.2 \u00b5m, right)<\/em> Water Vapor images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/181119_goes17_waterVapor_Alaska_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n<p style=\"text-align: center;\"><em>* GOES-17 images shown here are preliminary and non-operational *<\/em><\/p>\n<p>GOES-17 Low-level (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band10.pdf\"><strong>7.3 \u00b5m<\/strong><\/a>), Mid-level (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band09.pdf\"><strong>6.9 \u00b5m<\/strong><\/a>) and Upper-level (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band08.pdf\"><strong>6.2 \u00b5m<\/strong><\/a>) Water Vapor images <em><strong>(above)<\/strong><\/em> showed the circulation associated with an occluded gale-force low in the Gulf of Alaska (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/181119_surface_analyses_East_Pacific_anim.gif\"><strong>surface analyses<\/strong><\/a>) which moved northward to a position just south of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Kenai_Peninsula\"><strong>Kenai Peninsula<\/strong><\/a> on 19 November 2018.<\/p>\n<p>The 3 GOES-17 <a href=\"https:\/\/www.goes-r.gov\/spacesegment\/abi.html\"><strong>ABI<\/strong><\/a> Water Vapor bands sample radiation from different layers within the troposphere &#8212; the height and depth of these individual layers varies with changes in (1) the temperature\/moisture profile of the atmosphere and (2) the satellite viewing angle <em>(or zenith angle)<\/em>. The 3 water vapor <a href=\"https:\/\/cimss.ssec.wisc.edu\/goes\/wf\/\"><strong>weighting functions<\/strong><\/a> &#8212; calculated using 12 UTC rawinsonde data from Anchorage (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/G17_WATER_VAPOR_ANCHORAGE_19NOV2018_2018323_120038_GOES-17_0003PANELS_PANC.gif\"><strong>PANC<\/strong><\/a>) &#8212; provide information on the height and depth of the radiating layers in the vicinity of the storm\u00a0 <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/181119_12utc_anc_waterVapor_weightingFunctions.png\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/11\/181119_12utc_anc_waterVapor_weightingFunctions.png\" alt=\"GOES-17 Water Vapor weighting function plots for Anchorage, Alaska [click to enlarge]\" width=\"640\" height=\"646\" \/><\/a><p class=\"wp-caption-text\">GOES-17 Water Vapor weighting function plots for Anchorage, Alaska [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>* GOES-17 images shown here are preliminary and non-operational * GOES-17 Low-level (7.3 \u00b5m), Mid-level (6.9 \u00b5m) and Upper-level (6.2 \u00b5m) Water Vapor images (above) showed the circulation associated with an occluded gale-force low in the Gulf of Alaska (surface analyses) which moved northward to a position just south of the Kenai Peninsula on 19 [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":30758,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80],"tags":[],"class_list":["post-30756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30756","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=30756"}],"version-history":[{"count":5,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30756\/revisions"}],"predecessor-version":[{"id":30762,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30756\/revisions\/30762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/30758"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=30756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=30756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=30756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}