How Did Yoda Create Lightning As A Force Ghost! Star Wars The Last Jedi

Lets go over a star wars the last jedi scene specifically the last jedi yoda scene in which he uses lightning as a force ghost! it left many wondering as to how yoda was able to perform this! However it seems a certain concept is being explored when it comes to the concept of force ghosts! This was a great scene by the way with luke skywalker and the burning tree, the music everything! it just works!. One big question is of course! how did yoda create lightning as a force ghost! The yoda burns tree scene was quite shocking for sure at first that yoda would do such a thing but i am sure yoda knew rey took the ancient jedi texts with her on the millennium falcon.