{"id":52444,"date":"2023-05-20T23:59:00","date_gmt":"2023-05-20T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=52444"},"modified":"2023-05-26T21:43:26","modified_gmt":"2023-05-26T21:43:26","slug":"1-minute-imagery-of-wildfires-and-pyrocumulonimbus-clouds-in-british-columbia","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/52444","title":{"rendered":"1-minute imagery of wildfires and pyrocumulonimbus clouds in British Columbia"},"content":{"rendered":"

<\/a>

GOES-18 Fire Temperature RGB images (top) and “Clean” Infrared Window (10.3 \u00b5m) images (bottom) [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>1-minute\u00a0Mesoscale Domain Sector<\/strong><\/a> GOES-18 (GOES-West)<\/em> Fire Temperature RGB<\/strong><\/a> and \u201cClean\u201d Infrared Window (10.3 \u00b5m<\/strong><\/a>) images\u00a0(above)<\/strong><\/em> showed the intensification of 3 wildfires in northeast British Columbia on 20 May 2023<\/strong><\/a>. Two of the fires produced pyrocumulonimbus<\/strong><\/a> (pyroCb) clouds, exhibiting cloud-top 10.3 \u00b5m infrared brightness temperatures of -50\u00baC or colder (shades of red) — which then eventually moved eastward across far northwest Alberta.\u00a0 The southernmost fire continuously exhibited a 3.9 \u00b5m infrared brightness temperature of 137.88 K — the saturation temperature of GOES-18 ABI<\/strong><\/a> Band 7 detectors — for a period of 70 minutes (from 2240-2350 UTC).<\/p>\n

During the time period that the fires were burning very hot and beginning to produce pyroCB clouds, 1-minute GOES-18 Fire Temperature RGB images and “Red” Visible (0.64 \u00b5m) images with an overlay of the Fire Power derived product (below)<\/strong><\/em> showed that the southernmost fire frequently exhibited Fire Power values in excess of 5000 MW (with a peak of 5487.76 MW at 2304 UTC<\/strong><\/a>). The Fire Power derived product is a component of the GOES Fire Detection and Characterization Algorithm (FDCA<\/strong><\/a>).<\/p>\n

<\/a>

GOES-18 Fire Temperature RGB images (top) and “Red” Visible (0.64 \u00b5m) images with an overlay of the Fire Power derived product (bottom) [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>The subsequent motion of the 2 pyroCb anvils was evident in GOES-18 Nighttime Microphysics RGB<\/strong><\/a> imagery from the CSPP GeoSphere<\/strong><\/a> site (below)<\/strong><\/em>, as they drifted southeast across Alberta and Saskatchewan.<\/p>\n

<\/a>

GOES-18 True Color RGB and Nighttime Microphysics RGB images [click to play MP4 animation]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

1-minute\u00a0Mesoscale Domain Sector GOES-18 (GOES-West) Fire Temperature RGB and \u201cClean\u201d Infrared Window (10.3 \u00b5m) images\u00a0(above) showed the intensification of 3 wildfires in northeast British Columbia on 20 May 2023. Two of the fires produced pyrocumulonimbus (pyroCb) clouds, exhibiting cloud-top 10.3 \u00b5m infrared brightness temperatures of -50\u00baC or colder (shades of red) — which then eventually […]<\/p>\n","protected":false},"author":18,"featured_media":52446,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,114,45],"tags":[],"class_list":["post-52444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fire-detection","category-goes-18","category-redgreenblue-rgb-images"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52444","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=52444"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52444\/revisions"}],"predecessor-version":[{"id":52657,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52444\/revisions\/52657"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/52446"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=52444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=52444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=52444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}