Back-building thunderstorms in Oklahoma
GOES-16 “Red” Visible (0.64 µm) images, with SPC Storm Reports plotted in red [click to play animation | MP4]
The corresponding GOES-16 “Clean” Infrared Window (10.35 µm) images (below) revealed pulsing overshooting tops that occasionally exhibited cloud-top infrared brightness temperatures as cold as -80ºC (violet pixels) toward the end of the time period.
Plots of 12 UTC and 18 UTC rawinsonde data from Norman, Oklahoma (below) indicated that winds throughout the troposphere had a westerly to southerly component.