Another Jumping Sun Dog

Just recently I wrote about one of the coolest and weirdest weather/optical phenomena I've ever seen: crown flashes, also called jumping sun dogs. They're streamers of light above storm clouds that appear to dance and flash, sometimes quite rapidly, looking like search lights or huge light sabers. They're almost certainly caused by long ice crystals above the cloud that align themselves with the cloud's electric field. If you see them from the right angle, they bend (or refract) the sunlight tow...