neck reset due to humidity?

I moved to the North Coast of the Dominican Republic and brought guitars, amps. Humidity here is very high, about 90 percent, and it is hot and tropical. Big mistake leaving acoustic guitar in case under bed for a few weeks. A couple months later, the action looks like a dobro. Very high action, but playable. It is a 25 year old 'blueridge' model with nice construction. Steel 6 string. I am original owner, always had good action & played well.
Will a neck reset fix the problem? The body below bridge is not showing bulge.

Does anyone by chance know any repair person near by, or will it require a plane ticket?
I will never put it in case again while living here. It stays where the air circulates in the apartment.

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