On 29 August 2017 two pyroCbs formed in the Oregon. GOES-15 detected the smoke plume and pyroCb cloud, as well as the fires hot spots. The first pyroCb cloud (~44º N, 121.1ºW) formed around 20:15 UTC on 29 August . The second formed shortly after around 43.8º N  121.4ºE at 0:00 UTC on 30 August. […]