I think what you guys are doing is great. I don't know the answer to your question for Costa Rica (where I live) but here is the contact of the Costa Rican national weather service. Maybe once they understand what you are doing they can explain what they can do to help.

Costa Rica - Instituto Meteorológico Nacional
San José, Costa Rica
Barrio Aranjuez, Avenida 9 y Calle 17.
Frente a costado Noroeste del Hospital Calderón Guardia.
T: +506-2222-5616 F: +506-2223-1837