Spell Details
Casting Time
Turn
Range
120 feet
Duration
Sustained, up to 10 minutes, plus 2 minutes per caster level
Target
80-foot radius sphere
Saving Throw
DEX Quick (half damage on successful save)
Effect
You create a massive storm that fills the target area with lightning, thunder, and wind. Each creature that starts its turn in the area takes 4d8 lightning damage and must succeed on a Quick save or be deafened and knocked prone. The storm also creates hampering ground.
Scaling
At 9th level, the damage increases to 5d8 lightning damage, and the storm can create tornadoes.
Special Notes
The storm can provide cover and create dangerous conditions for flying creatures.