St. Elmo’s heat is a overwhelming continue materialisation in that electrical liberate from pointy or forked objects creates plasma with a blue or violet glow. It typically occur during thunderstorms, when there’s a clever electric margin in a atmosphere.
St. Elmo, or St. Erasmus of Formia, is a enthusiast saint of sailors — a wise name deliberation sailors would infrequently declare a materialisation on ships during sea, holding it as a pointer their enthusiast saint was present. It also appears on aircraft wings, and in these pilots’ cases, right over a aspect of their airliner’s windshield.
An Airbus 320 recently gifted St. Elmo’s heat while drifting over Argentina nearby a thunderstorm. The pilots were propitious adequate to constraint it on camera.