This spell does not have a direct equivalent in vanilla.
Storm Shield
Level: 3
School: Abjuration
Sphere: Weather, Elemental (Air)
Range: Personal
Duration: 1 turn
Casting Time: 5
Area of Effect: Caster
Saving Throw: None
This spell surrounds the caster with an invisible curtain of stormy winds that moves with him. The wind wall grants the caster +4 bonus to saves vs. breath and AC against missiles for the duration of the spell. Non-magical missile weapons are deflected away, while gases cannot penetrate the barrier. Tiny and small flying creatures cannot pass through.