{"id":55552,"date":"2023-11-11T23:59:00","date_gmt":"2023-11-11T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=55552"},"modified":"2023-11-13T19:39:23","modified_gmt":"2023-11-13T19:39:23","slug":"resuspended-volcanic-ash-from-the-1912-novarupta-katmai-eruption-in-alaska","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/55552","title":{"rendered":"Resuspended volcanic ash from the 1912 Novarupta-Katmai eruption in Alaska"},"content":{"rendered":"<p><div style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231111_goes18_trueColorRGB_nighttimeMicrophysicsRGB_Katmai_resuspended_ash_AK_anim.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/goeswest_abi_radm2_true_color_night_20231111220054.png\" width=\"1024\" height=\"461\" \/><\/a><p class=\"wp-caption-text\">GOES-18 daytime True Color RGB and Nighttime Microphysics RGB images, from 1850 UTC on 11 November to 0600 UTC on 12 November [click to play MP4 animation]<\/p><\/div>1-minute\u00a0<a href=\"https:\/\/www.nco.ncep.noaa.gov\/status\/satellite\/\"><strong>Mesoscale Domain Sector<\/strong><\/a>\u00a0GOES-18 <em>(GOES-West)<\/em> daytime True Color RGB + <a href=\"https:\/\/rammb.cira.colostate.edu\/training\/visit\/quick_guides\/QuickGuide_GOESR_NtMicroRGB_Final_20191206.pdf\"><strong>Nighttime Microphysics RGB<\/strong><\/a>\u00a0images from the\u00a0<a href=\"https:\/\/geosphere.ssec.wisc.edu\/#playing:true;coordinate:0,46783;zoom:0.8;satellite:goeswest;num_frames:30;\"><strong>CSPP GeoSphere<\/strong><\/a>\u00a0site\u00a0<em><strong>(above)<\/strong><\/em> showed a plume of resuspended volcanic ash (hazy shades of gray in True Color RGB, and brighter shades of pink in Nighttime Microphysics RGB) from the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Novarupta\"><strong>1912 Novarupta-Katmai<\/strong><\/a>\u00a0eruption in Alaska, which was being transported offshore across the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shelikof_Strait\"><strong>Shelikof Strait<\/strong><\/a> toward Kodiak Island on 11 November 2023. A <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231111_2150utc_pawu_vaa.text\"><strong>Volcanic Ash Advisory<\/strong><\/a> estimated that the ash was being lofted as high as 5000 feet above the surface.<\/p>\n<p><div style=\"width: 1725px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231111_goes18_dustRGB_AK_Katmai_resuspended_ash_2_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/ak_rgb-20231112_030054.png\" width=\"1715\" height=\"830\" \/><\/a><p class=\"wp-caption-text\">GOES-18 Dust RGB images, from 1800 UTC on 11 November to 0600 UTC on 12 November [click to play animated GIF | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231111_goes18_dustRGB_AK_Katmai_resuspended_ash_2_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>1-minute GOES-18 <a href=\"https:\/\/rammb.cira.colostate.edu\/training\/visit\/quick_guides\/Dust_RGB_Quick_Guide.pdf\"><strong>Dust RGB<\/strong><\/a>\u00a0images\u00a0<em><strong>(above)<\/strong><\/em> also highlighted the plume of resuspended volcanic ash (shades of pink) &#8212; loose surface ash that had been deposited within the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Valley_of_Ten_Thousand_Smokes\"><strong>Valley Of Ten Thousand Smokes<\/strong><\/a> was being lofted by strong northwesterly winds. A toggle between the 0300 UTC Dust RGB image and Topography <em><strong>(below)<\/strong><\/em> highlighted that particular valley as the ash source region.<\/p>\n<div style=\"width: 1725px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231112_0300utc_goes18_dustRGB_topography_AK_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/11\/231112_0300utc_goes18_dustRGB_topography_AK_anim.gif\" width=\"1715\" height=\"830\" \/><\/a><p class=\"wp-caption-text\">GOES-18 Dust RGB image at 0300 UTC on 12 November, and Topography [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>1-minute\u00a0Mesoscale Domain Sector\u00a0GOES-18 (GOES-West) daytime True Color RGB + Nighttime Microphysics RGB\u00a0images from the\u00a0CSPP GeoSphere\u00a0site\u00a0(above) showed a plume of resuspended volcanic ash (hazy shades of gray in True Color RGB, and brighter shades of pink in Nighttime Microphysics RGB) from the 1912 Novarupta-Katmai\u00a0eruption in Alaska, which was being transported offshore across the\u00a0Shelikof Strait toward Kodiak [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":55557,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[114,45],"tags":[],"class_list":["post-55552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-18","category-redgreenblue-rgb-images"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/55552","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=55552"}],"version-history":[{"count":11,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/55552\/revisions"}],"predecessor-version":[{"id":55571,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/55552\/revisions\/55571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/55557"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=55552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=55552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=55552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}