• Megaflashes!

  • Mar 22 2022
  • Length: 9 mins
  • Podcast

  • Summary

  • Megaflashes are incredibly rare. In order to record one from the ground, or from an aircraft or satellite in a low orbit, the sensor has to be exactly in the right place at the right time, which is unlikely. Now, researchers are using Geostationary Lightning Mappers and other instruments that can map flash size from space and — importantly — provide continuous coverage over a large portion of the Earth. No matter how rare these megaflashes are or where they occur across the instrument’s vast field of view, GLM can detect them and measure their dimensions. 

    LA-UR-22-22537

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