For the passive feature, see Storm's Fury (passive feature).
Storm's Fury is a 
reaction that deals damage when hit by a melee attack and pushes the attacker away.
Description
When struck by a melee attack, you may deal 
Thunder damage to the attacker and possibly push them back 
6 m / 20 ft.
Properties
- Cost:
-
Reaction - Damage:
- (Sorcerer Level)Thunder
- Details:
-
Melee: 1.5 m / 5 ft -
STR Save (Spell save DC)
How to learn
Classes:
- Class level 11: Storm Sorcery
Notes
Even though the passive feature states it deals 
Lightning, the reaction deals strictly Thunder damage only.