While outdoors, you Summon deadly storm clouds above you.
The Spell fails if you can't see a point in the air where the storm cloud could appear (for example, if you are in a room that can't accommodate the cloud).
If you are outdoors, in stormy conditions when you cast this Spell, the
Spell gives you control over the existing storm instead of creating a new one. Under such conditions, the spell's damage increases by .
You raise your arms skyward as dark storm clouds swiftly gather above. Jagged lightning forks through the gloom, illuminating the sky before bolts streak downward, striking your targets with fierce, electric force.