You freeze the water in the air into razor-edged shards, before conjuring a mighty wind that buffets creatures with chilling intensity.

Creatures inside the storm have Disadvantage on Wisdom (Perception) checks made using hearing. The inside of the storm is considered Heavily Obscured.

When the storm appears, each creature in it must make a

On subsequent turns, a creature must make a Constitution saving throw when it enters the spell's area for the first time on a turn, or ends its turn there, because the temperature inside the storm drops dangerously low, taking 10d8 Ice damage, and receive levels of

Brittle

Critical Success (+10). The target is unaffected.
Success. The target takes half damage.
Failure. The target takes full damage and receives 2 levels of Brittle for 2 rounds.
Critical Failure (–10). As failure, except the target takes 1.5× damage.

The storm moves 4m directly away from you in a direction that you choose at the start of each of your turns.