On 18 July a pyroCu formed in Wyoming. GOES-15 detected the smoke plumes and pyroCu cloud, as well as the fire hot spot. The pyroCu (43.2º N, 110.5º W) formed from the Cliff Creek Fire around 21:00 UTC .  Starting at 20:30 UTC on 18 July, the animation below (also available as an MP4) )shows GOES-15 (GOES-West) 0.63 […]