Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...
The 576A or 576B strikes can be used on wood doors but you should check with door manufacturer if it is a fire-rated door to make sure there are no conflicts.
The 6000 series electric strikes are commonly used on exterior doors but they are not waterproof and are NOT recommended for outside such as on a gate with no protection from the elements.