storm: a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning
atmospheric phenomenon: a physical phenomenon associated with the atmosphere
plasma: (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons