On August 11, 2014 a fire in northern California produced a pyroCb detected by GOES-15 0.63 µm visible channel and 3.9 µm shortwave IR channel images (above; click image to play animation) around 21:15 UTC located near 41º North and 123º West rapidly drifting northwest in the direction as the surrounding convection.  On the shortwave IR images (right panel), the red […]