30-second imagery of Hurricane Ian
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2022/09/ian_glm-20220927_171225.png)
GOES-16 “Red” Visible (0.64 µm) images, with and without an overlay of GLM Flash Extent Density [click to play animated GIF | MP4]
The corresponding 30-second GOES-16 “Clean” Infrared Window (10.3 µm) images (below) showed cloud-top infrared brightness temperatures as cold as -83ºC.
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2022/09/ian_ir-20220927_171225.png)
GOES-16 “Clean” Infrared Window (10.3 µm) images [click to play animated GIF | MP4]