Who installed the floor?
You, or a flooring installer?
How long ago?
Were the products acclimated to the surroundings for a few days before they were installed?
There is still a lot of unanswered questions.
I'm betting the floor is crowded against the walls in too many places. Humidity is always high as far as I know in New Orleans and that is enough moisture to cause some issues with a floor expanding. If there is no place for the floor to expand to, something's gotta give. Usually the give results in exactly what you apparently have - a bubble, hump, tent.