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St. Elmo's fire (also called witchfire or witch's fire) 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 in an atmospheric electric field.
St. Elmo's Fire occurs when the atmosphere becomes charged and an electrical potential strong enough to cause a discharge (plasma) is created between an object and the air around it. This can happen to an aircraft flying through heavily charged skies.
30 de ago. de 2023 · 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.
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Save Article. Air Force/Senior Airman Brian Kelly. MIT scientists have found that wind enhances St. Elmo's Fire on the ground, but tames it in the air. The "corona discharge" skims...
11 de ago. de 2020 · An MIT study finds windy conditions can weaken St. Elmo’s fire, the phenomenon when electrically conductive structures spontaneously emit a flash of blue light, when it’s generated by aircraft and other ungrounded objects.
20 de ago. de 2020 · They discovered this while investigating the possibility of using St. Elmo's fire to control the electrical charge of an aircraft, thereby helping protect it from lightning strikes.
1 de sept. de 2023 · Advertisement. Air Force captures video of St. Elmo’s fire amid Idalia evacuation. Jonathan Lehrfeld. September 1, 2023 · 3 min read. If you looked up in the sky earlier this week and...
