On 21 June one pyroCu formed in the Northwest Territories. GOES-15 detected the smoke plume and pyroCu cloud, as well as the fire hot spot. The pyroCu (64 N 124 W) occurred at around 4:30 UTC. Starting at 4:00 UTC on 21 June, the animation below shortwave IR (3.9 μm, click image to play animation), […]