![GOES-16 “Red” Visible (0.64 µm, top), Shortwave Infrared (3.9 µm, center) and “Clean” Infrared Window (10.3 µm, bottom) images, with hourly plots of surface reports [click to play MP4 animation]](http://cimss.ssec.wisc.edu/goes/blog/wp-content/uploads/2018/05/G16_VIS_SWIR_IR_MB_ON_PYROCB_22MAY2018_380x1280_B2713_2018142_204543_0003PANELS_00036.GIF)
GOES-16 “Red” Visible (0.64 µm, top), Shortwave Infrared (3.9 µm, center) and “Clean” Infrared Window (10.3 µm, bottom) images, with hourly plots of surface reports [click to play MP4 animation]
As the pyroCb moved southeastward over western Ontario, the coldest GOES-16 cloud-top infrared brightness temperatures were around -55ºC (orange enhancement), which corresponded to altitudes around 10.3 to 10.8 km according the rawinsonde data from Pickle Lake, Ontario (below).
![Rawinsonde data profiles from Pickle Lake, Ontario [click to enlarge]](http://cimss.ssec.wisc.edu/goes/blog/wp-content/uploads/2018/05/180522_CWPL_RAOBS.GIF)
Rawinsonde data profiles from Pickle Lake, Ontario [click to enlarge]
![NOAA-19 Visible (0.63 µm), Shortwave Infrared (3.7 µm) and Infrared Window (10.8 µm) images [click to enlarge]](http://cimss.ssec.wisc.edu/goes/blog/wp-content/uploads/2018/05/180522_2210utc_noaa19_visible_shortwaveIR_IRwindow_ON_pyrocb_anim.gif)
NOAA-19 Visible (0.63 µm), Shortwave Infrared (3.7 µm) and Infrared Window (10.8 µm) images [click to enlarge]