On 12 August a fire in the state of Washington was investigated for possibly producing a pyroCb. This fire located around 46 N 121.5 W, and showed signs of deep convection and possibly a pyroCb. GOES-15 detected the smoke plume and pyroCb cloud, as well as the fire hot spot. Starting at 18:00 UTC on 12 August, the animation below shows visible (.63 μm) on the left and shortwave IR (3.9 μm) on the right (click image to play animation). In the shortwave IR images the red pixels indicate very hot IR brightness temperatures exhibited by the fire source region.
GOES-15 0.63 µm visible channel (left) and 3.9 µm shortwave IR channel images (right) (click to play animation)
GOES-15 10.7 µm IR channel images (click to play animation)