{"id":45931,"date":"2022-04-22T23:59:00","date_gmt":"2022-04-22T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=45931"},"modified":"2022-04-26T03:20:30","modified_gmt":"2022-04-26T03:20:30","slug":"calf-canyon-fire-produces-a-pyrocumulonimbus-cloud","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/45931","title":{"rendered":"Calf Canyon Fire produces a pyrocumulonimbus cloud"},"content":{"rendered":"

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GOES-16 Shortwave Infrared (3.9 \u00b5m), “Red” Visible (0.64 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>1-minute Mesoscale Domain Sector GOES-16 (GOES-East)<\/em> Shortwave Infrared (3.9 \u00b5m<\/strong><\/a>), “Red” Visible (0.64 \u00b5m<\/strong><\/a>) and \u201cClean\u201d Infrared Window (10.35 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> showed that the Calf Canyon Fire<\/strong><\/a> in New Mexico produced a pyrocumulonimbus<\/strong><\/a> (pyroCb) cloud on 22 April 2022<\/strong><\/a>. This large fire burned very hot, with 3.9 \u00b5m Shortwave Infrared brightness temperatures reaching 138.71\u00baC \u2014 the saturation temperature of\u00a0<\/span>ABI<\/span><\/span><\/strong><\/a> Band 7 detectors. Very strong winds contributed to the rapid intensification and spread of this wildfire — the peak wind gust at nearby Las Vegas (KLVS) was 74 mph (NWS Albuqueque PNS<\/strong><\/a>).
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10.35 \u00b5m images indicated that the pyrocumulus cloud-top infrared brightness temperatures first reached the -40\u00baC pyroCb threshold at 2334 UTC (below)<\/strong><\/em>.<\/p>\n

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\u00a0GOES-16 Shortwave Infrared (3.9 \u00b5m), “Red” Visible (0.64 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images at 2334 UTC [click to enlarge]<\/p><\/div>Cloud-top infrared brightness temperatures subsequently cooled to a minimum of -53\u00baC around 0022 UTC<\/strong><\/a> — which corresponded to an altitude of around 11.7 km according to rawinsonde data<\/strong><\/a> from Albuquerque (below)<\/strong><\/em>.<\/p>\n

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Plot of 00 UTC rawinsonde data from Albuquerque, New Mexico [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Shortwave Infrared (3.9 \u00b5m), “Red” Visible (0.64 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images (above) showed that the Calf Canyon Fire in New Mexico produced a pyrocumulonimbus (pyroCb) cloud on 22 April 2022. This large fire burned very hot, with 3.9 \u00b5m Shortwave Infrared brightness temperatures reaching 138.71\u00baC […]<\/p>\n","protected":false},"author":18,"featured_media":45933,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,74],"tags":[],"class_list":["post-45931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fire-detection","category-goes-16"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/45931","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=45931"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/45931\/revisions"}],"predecessor-version":[{"id":45941,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/45931\/revisions\/45941"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/45933"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=45931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=45931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=45931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}