![](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/06\/230602_230604_goes16_shortwaveInfrared_Quebec_wildfires_anim.gif\")
<\/a>GOES-16 Shortwave Infrared (3.9 \u00b5m) images, 02-04 June [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>GOES-16 (GOES-East)<\/em> Shortwave Infrared (3.9 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> showed the diurnal variability of thermal anomalies (hot pixels) associated with a cluster of wildfires in southern Quebec during the 02 June<\/strong><\/a> – 04 June 2023<\/strong><\/a> period. On the first of these 3 days, several of the wind-driven fires exhibited 3.9 \u00b5m brightness temperatures of 137.71\u00baC (the saturation temperature of the GOES-16 ABI<\/strong><\/a> Band 7 detectors).<\/p>\n The GOES-16 Fire Power derived product during that same 3-day period is shown below — the hottest fires exhibited Fire Power values as high as 3600 MW. The Fire Power derived product is a component of the GOES Fire Detection and Characterization Algorithm (FDCA<\/strong><\/a>).<\/p>\n GOES-16 Fire Power derived product, 02-04 June [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>In a larger-scale view of GOES-16 True Color RGB images and Nighttime Microphysics RGB<\/strong><\/a> images from the CSPP GeoSphere<\/strong><\/a> site (below)<\/strong><\/em>, dense wildfire smoke plumes (along with their long-range transport paths over parts of the northern US) were evident during the daytime hours, while the fire thermal anomalies (darker shades of purple) were apparent at night.<\/p>\n GOES-16 True Color RGB images + Nighttime Microphysics RGB images, 02-04 June [click to play MP4 animation]<\/p><\/div>\n ===== 05 June Update =====<\/strong><\/p>\n GOES-16 Shortwave Infrared (3.9 \u00b5m, top left), “Red” Visible (0.64 \u00b5m, top right), “Clean” Infrared Window (10.3 \u00b5m, bottom left) and Cloud Top Temperature derived product (bottom right) [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>On 05 June<\/strong><\/a>, GOES-16 Shortwave Infrared, “Red” Visible (0.64 \u00b5m<\/strong><\/a>), “Clean” Infrared Window (10.3 \u00b5m<\/strong><\/a>) and Cloud Top Temperature<\/strong><\/a> (CTT) derived product images (above)<\/strong><\/em> revealed that 2 of the Quebec wildfires north and northeast of Chibougamau-Chapais (CYMT) produced pyrocumulonimbus<\/strong><\/a> (pyroCb) clouds late in the day, which exhibited anvil 10.3 \u00b5m brightness temperature and\/or CTT values of -40\u00baC and colder (shades of blue).<\/p>\n GOES-16 Visible images combined with the Fire Power derived product (below)<\/strong><\/em> include an overlay of GLM<\/strong><\/a>\u00a0Flash Extent Density<\/strong><\/a> — which showed that some lightning activity was associated with these pyroCb clouds. In fact, shortly after sunset a thunderstorm was reported in the vicinity of CYMT as the pyroCb cloud drifted just east of the site at 0200 UTC<\/strong><\/a>. In addition, smoke from the nearby pyroCb-producing wildfire briefly reduced the surface visibility to 2-1\/4 miles at CYMT (plot of surface observations<\/strong><\/a>).<\/p>\n<\/a><\/a><\/a>