Hierophanic

Among primitive peoples whatever appears unusual, singular, horrendous, frightening, outside the pattern of habit and social life, becomes transferred into the sphere of the hierophanic. Whatever is in some way 'perfect' is also considered to be hierophanic, […]

Source: wiktionary

To borrow from the vocabulary of the history of religions, cloud seems to have a hierophanic significance; in other words, it is an object that manifests that which is sacred, or contributes to its manifestation. However, the identification of an isolated hierophanic element is not, in itself, interesting.

Source: wiktionary

For the Catholic Church, priesthood is the structural mechanism by which the believing community normally gains access to its foundational hierophanic faith-events. By means of the socially constructed hierarchic power invested in it, priesthood accesses, coordinates, and controls hierophanic power. The only authentically religious use of priestly hierarchic power, however, is to produce, disseminate, and maintain the ascetical and mystical means of fostering awareness and submission to the Ultimate Source of hierophanic power: Divine Being.

Source: wiktionary

The tornado could be added to the list. Its characteristics and shape certainly place it in the more hierophanic phenomenon of the sky, for what better metaphor for a tornado than the finger of God, that appendage that links the celestial to the terrestrial?

Source: wiktionary