Close Negative Ground Flash While Driving

Captured a close negative ground flash while driving near Guernsey, Wyoming on 19 May 2020. You can hear the thunder on the dash cam in about a second after the flash. Recorded with the Phantom M321S at 1,500 images per second. In the frame prior to the return stroke, there appears to be a dim connection to the downward leader and ground. This is a camera artifact due to the saturating bright return stroke recorded in the following image (frame). The brightness “bleeds” over into the previous frame making it appear there is a connection or upward connecting leader present when in fact it is not.

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