We now have a second angle on that incredible upward lightning that was captured in Dalby QLD last night. This one captured at full speed but we also added a slow-motion version. Video sent in by HSC follower Zane. Upward lightning is a discharge that travels from a tall object on the ground into the atmosphere, instead of the more common downward-moving lightning. It's often initiated when a nearby natural lightning strike significantly changes the electrical field, causing a "positive leader"