Super-cell Lightning, Snyder, Nebraska Under a super-cell thunderstorm, a "wall cloud" or "pedestal cloud" may form. This is frequently associated with tornadoes and micro-bursts. Here, a "cloud-to-ground" lightning bolt strikes from a wall cloud.
Moon Corona - Norway A typical corona is only couple degrees in diameter and closely fringes the moon. Although not as intense as a solar rainbow, coronas may appear in several colors. On rare occasions lunar halos and lunar coronas can appear together