Calf Canyon Fire produces a pyrocumulonimbus cloud
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2022/04/nm_ir-20220423_010027.png)
GOES-16 Shortwave Infrared (3.9 µm), “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images [click to play animated GIF | MP4]
10.35 µm images indicated that the pyrocumulus cloud-top infrared brightness temperatures first reached the -40ºC pyroCb threshold at 2334 UTC (below).
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2022/04/220422_2334utc_goes16_shortwaveInfrared_infraredWindow_visible_Calf_Canyon_Fire_NM_pyroCb_anim.gif)
GOES-16 Shortwave Infrared (3.9 µm), “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images at 2334 UTC [click to enlarge]