On 05 July 2017 a pyroCb formed in Wyoming from the Keystone Fire. GOES-15 detected the smoke plumes and pyroCb cloud, as well as the fires hot spot. The pyroCb cloud (~41.2º N, 106.3ºW) formed around 22:00 UTC . Starting at 20:00 UTC on 05 July, the animation below shows GOES-15 0.63 µm visible (left) and 3.9 […]