sentences:  From 35 miles, Holmes's video shows a blue streamer reach up from the top of a thunderstorm to the ionosphere, becoming red at the top.Only then does a brilliant white lightning leader crawl slowly from the top of the cloud, reaching about 10% of the height of the gigantic jet before fading.ELVES (Emission of Light and Very Low Frequency perturbations due to Electromagnetic Pulse Sources) often appear as a dim, flattened, expanding glow around in diameter that lasts for, typically, just one millisecond.