“Lightning” for a Night Storm scene

[Mark Suszko]

They can be either. Depends on the budget.

[Sam Painter]

https://www.luminyscorp.com/products/lightning-strikes/index.html

[Don Ranow]

Thanks Sam! That’s exactly what I was looking for!

[Mike Zidel]

This may be a bit late for you but for Future in our part of the world (south Africa) we use a simple modified Arch welder (with extention pads are added)

WARNING remember never to look directly into the light