Answer:

b) create a vivid mental picture of the storm blowing in.

Explanation:

In Ode to the West Wind Percy Shelley demonstrates the correspondence between the inward and the external universe of the artist.

The significant subject of the sonnet is the writer’s expectation to wind up a power that may acquire the change and revival man’s life. This subject is allegorically appeared by the restoration of nature through the west wind as an operator. It is portrayed through his brilliant utilization of imagery in it.