LightningCast Probability and a GLM lightning jump preceding a Tornado Warning issued by NWS Los Angeles
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2023/02/ca_vis_glm-20230224_180725.png)
GOES-18 “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images, with/without an overlay of GLM Flash Extent Density [click to play animated GIF | MP4]
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2023/02/ca_vis_ltgcast-20230224_174925.png)
GOES-18 “Red” Visible (0.64 µm) images, with an overlay of GLM Flash Extent Density and contours of LightningCast Probability [click to play animated GIF | MP4]