A quadrilateral of supercells emerges. #quadrilateralsupercellconspiracy

Goodnight from the laboratory

Here's a fun lightning flash: after an initial intracloud (upward negative channel), a second negative channel initiates near the first origin, heads off to the side, and then turns around and comes to ground on the other side of the original discharge. (cc: @ztresearch)

Full-quality streaming @wtlma processing detects a lot of points. (Graph is count by altitude for last ~4 min).