blue starter

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blue starter (plural blue starters)

  1. (astronomy, meteorology) an upper atmospheric optical phenomena associated with thunderstorms, rapidly expanding disk-shaped regions of luminosity, lasting less than a thousandth of a second, which occur high above energetic cloud-to-ground lightning of positive or negative polarity, reaching to only about 12 miles altitude that occur over regions where large hailstones were falling
    • 2007, Vladimir A. Rakov, Martin A. Uman, Lightning: Physics and Effects[1], Cambridge University Press:
      Blue starters were first observed in 1994.

See also[edit]