19 December 2018

Robert also sent in a link to … and asks, do tornadoes form in a process similar to lightning. That is, a downward propagating stepped leader and an upward moving streamer. Tornadoes might be a form of electrical discharge, he speculates. The link itself tells us that  it has generally been thought tornadoes rotation largely begins in storm clouds, creating a funnel that travels downwards. New research shows tornadoes seem to form from the ground upwards. A bit of a turnaround.

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