What's a fact is that may tendency mag-iba ang formation ng wood dahil sa sudden change of humidity. Worst case na ang warping. Known fact din ito among guitarists with guitars. Pero medyo matigas naman ang maple, so less prone ito to warping than, say, mahogany.
Pero shet, may darating akong tom from the states soon. Sana hindi pumangit ang tunog. Tag-ulan pa naman, humidity galore.