{"id":38236,"date":"2020-09-08T23:59:07","date_gmt":"2020-09-08T23:59:07","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=38236"},"modified":"2020-09-11T02:46:49","modified_gmt":"2020-09-11T02:46:49","slug":"2-pyrocumulonimbus-events-in-northern-california","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/38236","title":{"rendered":"2 pyrocumulonimbus events in Northern California"},"content":{"rendered":"

\"GOES-17<\/a>

GOES-17 \u201cRed\u201d Visible (0.64 \u00b5m, top left),<\/em> Shortwave Infrared (3.9 \u00b5m, top right),<\/em> Fire Temperature RGB + GLM Flash Extent Density (bottom left)<\/em> and \u201cClean\u201d Infrared Window (10.35 \u00b5m, bottom right)<\/em> [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>1-minute\u00a0Mesoscale Domain Sector<\/strong><\/a>\u00a0GOES-17\u00a0(GOES-West)\u00a0<\/em>\u201cRed\u201d Visible (0.64 \u00b5m<\/strong><\/a>), GOES-17 Shortwave Infrared (3.9 \u00b5m<\/strong><\/a>),\u00a0Fire Temperature<\/strong><\/a>\u00a0Red-Green-Blue (RGB) +\u00a0GLM<\/strong><\/a>\u00a0Flash Extent Density<\/strong><\/a>\u00a0(FED) and \u201cClean\u201d Infrared Window (10.35 \u00b5m<\/strong><\/a>) images\u00a0(above)\u00a0<\/strong><\/em>showed the formation of a pyrocumulonimbus (pyroCb) cloud over the Hopkins Fire<\/strong><\/a> in Northern California on 08 September 2020<\/strong><\/a>.<\/p>\n

The vertical extent of the pyroCb cloud tower was even more apparent when viewed in Visible imagery from GOES-16 (GOES-East),<\/em> displayed in the top left panel of the animation below.<\/p>\n

\"GOES-16<\/a>

GOES-16 \u201cRed\u201d Visible (0.64 \u00b5m, top left),<\/em> Shortwave Infrared (3.9 \u00b5m, top right),<\/em> Fire Temperature RGB + GLM Flash Extent Density (bottom left)<\/em> and \u201cClean\u201d Infrared Window (10.35 \u00b5m, bottom right)<\/em> [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>Later in the day and farther to the east, 1-minute GOES-17 imagery (below)<\/strong><\/em> showed the development of another pyroCb cloud over the North\u00a0 Complex<\/strong><\/a>. Unfortunately, there was a ~1-hour gap in images (from 2034 to 2130 UTC) when a yaw flip maneuver<\/strong><\/a> was performed on the satellite.<\/p>\n

\"GOES-17<\/a>

GOES-17 \u201cRed\u201d Visible (0.64 \u00b5m, top left),<\/em> Shortwave Infrared (3.9 \u00b5m, top right),<\/em> Fire Temperature RGB + GLM Flash Extent Density (bottom left)<\/em> and \u201cClean\u201d Infrared Window (10.35 \u00b5m, bottom right)<\/em> [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>However, during this yaw flip maneuver the pyroCb formation and propagation could be followed using 5-minute imagery from GOES-16 (below)<\/strong><\/em>. As the lower-latitude portion of the smoke plume associated with this fire flare-up drifted south-southwestward, it restricted the surface visibility to 2.5 miles at Beale Air Force Base (KBAB).<\/p>\n

\"GOES-16<\/a>

GOES-16 \u201cRed\u201d Visible (0.64 \u00b5m, top left),<\/em> Shortwave Infrared (3.9 \u00b5m, top right),<\/em> Fire Temperature RGB + GLM Flash Extent Density (bottom left)<\/em> and \u201cClean\u201d Infrared Window (10.35 \u00b5m, bottom right)<\/em> [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

1-minute\u00a0Mesoscale Domain Sector\u00a0GOES-17\u00a0(GOES-West)\u00a0\u201cRed\u201d Visible (0.64 \u00b5m), GOES-17 Shortwave Infrared (3.9 \u00b5m),\u00a0Fire Temperature\u00a0Red-Green-Blue (RGB) +\u00a0GLM\u00a0Flash Extent Density\u00a0(FED) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images\u00a0(above)\u00a0showed the formation of a pyrocumulonimbus (pyroCb) cloud over the Hopkins Fire in Northern California on 08 September 2020. The vertical extent of the pyroCb cloud tower was even more apparent when viewed […]<\/p>\n","protected":false},"author":18,"featured_media":38250,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,6,74,80],"tags":[],"class_list":["post-38236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-quality","category-fire-detection","category-goes-16","category-goes-17"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38236","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=38236"}],"version-history":[{"count":3,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38236\/revisions"}],"predecessor-version":[{"id":38249,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38236\/revisions\/38249"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/38250"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=38236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=38236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=38236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}