![\"GOES-17](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2019\/07\/190726_goes17_fireTemperature_visible_naturalColorRGB_dayCloudPhaseRGB_OR_fire_anim.gif\")
<\/a>GOES-17 Fire Temperature RGB, “Red” Visible (0.64 \u00b5m),<\/em> CIMSS Natural Color RGB and Day Cloud Phase Distinction RGB images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>An animation that cycles through GOES-17 (GOES-West)<\/em> Fire Temperature<\/strong><\/a> Red-Green-Blue (RGB), “Red” Visible (0.64 \u00b5m<\/strong><\/a>), CIMSS Natural Color<\/strong><\/a> RGB and Day Cloud Phase Distinction<\/strong><\/a> RGB images (above)<\/strong><\/em> showed the thermal anomaly (darker red pixels)<\/em> and smoke associated with the Milepost 97 Fire<\/strong><\/a> in southwestern Oregon on 26 July 2019<\/strong><\/a>. In this particular case, dense smoke appeared as darker shades of green in the Day Cloud Phase Distinction RGB images.<\/p>\n A time series of surface data from Sexton Summit (immediately downwind of the fire) indicated that smoke reduced the surface visibility at that location to 1\/4 mile at times; farther from the fire, the visibility was in the 2-3 mile range at times in Medford (below)<\/strong><\/em>.<\/p>\n Time series of surface data from Sexton Summit [click to enlarge]<\/p><\/div> Time series of surface data from Rogue Valley International Airport in Medford [click to enlarge]<\/p><\/div><\/p>\n ===== 27 July Update =====<\/strong><\/p>\n GOES-17 True Color RGB images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>GOES-17 True Color RGB images from the AOS<\/strong><\/a> site (above)<\/strong> <\/em>showed the increased coverage of smoke from the Milepost 97 Fire, spreading across southern Oregon and into Northern California on 27 July<\/strong><\/a>. Some of the smoke had been lofted to higher altitudes, being transported as far northeastward as Montana.<\/p>\n Later in the day, GOES-17 True Color RGB images showed that the smoke had moved a significant distance southward along and just off the California coast (below). <\/strong><\/em><\/p>\n<\/a><\/a><\/a>