Ultraviolet cameras captured faint electrical flashes from leaves and branches as storm charges built up in the atmosphere.
As spring approaches, we can expect more severe storms, which can bring deadly lightning strikes. While summer is the busiest season for storms, springtime brings greater activity as temperatures rise ...
Coronae glow on the tips of spruce needles, induced by charged metal plates in a laboratory. (William Brune) For the first time, meteorologists have glimpsed the tiny bursts of ultraviolet light ...