Do you have some support for your corollary? I've been under the impression this is not specified and up to the DM.When the attacker "Hits you" is the wording on wrath of the storm. Yes. You could've responded before taking damage.
Because there are other reactions based on taking damage.
Corollary: If you kill the attacker after his attack lands, but before the damage is dealt, you take no damage.
Goblin Boss: Redirect Attack.Do you have some support for your corollary? I've been under the impression this is not specified and up to the DM.