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Flash of the Week (15 Apr 2020), Complex Negative Ground Flash

This complex negative ground flash captured at 7,200 images per second shows negative leaders, negative return strokes with different termination points as well as multiple return strokes in the same channel. It also shows how negative leaders can redevelop from a decayed negative channel branch point and extend the negative leader branch further. The final return stroke is caused by a recoil leader that initiates in the cloud at the positive end of the flash (not visible) with the negative end of the recoil leader traveling along the previous return stroke channel and causing a final negative return stroke.

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This entry was posted on 04/15/2020, 9:18 pm and is filed under high-speed camera observations, Lightning, Lightning Science, Negative Leaders, Recoil Leaders. You can follow any responses to this entry through RSS 2.0. Both comments and pings are currently closed.

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