José Obregón^1,2, Ken Takahashi³, Fiorela Castillón Lucas^1,4, Pedro Rau¹, Daniel Vicente Horna Munoz¹ and Eli Tziperman⁵, (1)Water Research and Technology Centre CITA, Universidad de Ingeniería y Tecnología UTEC, Lima, Peru, Lima, Peru, (2)Department of Physics, Meteorology and Environmental Engineering, Universidad Nacional Agraria La Molina UNALM, Lima, Peru, Lima, Peru, (3)Servicio Nacional de Meteorología e Hidrología, Lima, Peru, (4)Department of Physics, Meteorology and Environmental Engineering, Universidad Nacional Agraria La Molina UNALM, Lima, Peru., Lima, Peru, (5)Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA., Cambridge, MA, United States