Tenkōfujun

By manipulating a species of ice creating bacteria to freeze large quantities of moisture within the earths atmosphere, the user can cause sudden changes with the weather, causing rain clouds, lightning storms and snowfall to form within a matter of seconds. This process of forming storm clouds can also effect local wind patterns, kicking up perilous cyclones in the process. With certain weather conditions in play, this can be used as a follow up for certain techniques.

Influences
Tenkōfujun (天候不順 ) is a Japanese four-character idiom made up of two shorter words, weather tenkō (天候) and irregularity fujun (不順). The idiom is often simply translated as "bad weather".