“Dry lightning” or lightning from a thunderstorm where rain doesn’t make it to the ground (evaporates first) started dozens of wildfires from Oregon to Montana in the past few days. By the way, it has nothing to do with this post but inevitably someone will ask “what about heat lightning.” There is no such thing. Lightning always has thunder and sometimes the acoustics work out where you don’t always hear it. This video from San Bernadino National Forest shows how quickly a lightning strike can