Fig. 11From: Atmospheric Kelvin–Helmholtz billows captured by the MU radar, lidars and a fish-eye cameraPhotographs of the cloud base taken by the fish-eye camera and its corresponding location in the time–height plot of the radar image at a 0641, b 0646 and c 0649 LT, after the onset of the KH billows. The labels (*) refer to darker bands at some phases of the wavefrontsBack to article page