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Illustration of St. Elmo's fire on a ship at sea Electrostatic discharge flashes across the windscreen of a KC-10 cockpit.. St. Elmo's fire (also called witchfire or witch's fire [1]) is a weather phenomenon in which luminous plasma is created by a corona discharge from a rod-like object such as a mast, spire, chimney, or animal horn [2] in an atmospheric electric field.
English: Airmen experience St. Elmo's fire while flying a KC-10 aircraft into a thundercloud from an undisclosed location, March 22, 2017. St. Elmo's fire occurs when the electric field around the aircraft ionizes air molecules, producing sparks.
Pilots evacuating in preparation for Hurricane Idalia observed bright blue light outside their aircraft, an event called St. Elmo’s fire. Here’s what causes it.
St. Elmo's Fire and normal sparks both can appear when high electrical voltage affects a gas. St. Elmo's fire is seen during thunderstorms when the ground below the storm is electrically charged, and there is high voltage in the air between the cloud and the ground. The voltage tears apart the air molecules and the gas begins to glow.
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Some ghost lights such as St. Elmo's fire or the shiranui have been explained as optical phenomena of light emitted through electrical activity. Other types may be due to combustion of flammable gases, ball lightning , meteors , torches and other human-made fires, the misperception of human objects, and pranks.
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Related: St. Elmo's Fire actors look back at movie that defined a generation Lowe had been in several movies (starting with The Outsiders) by the time of St. Elmo's Fire, but the Joel Schumacher ...