1. Center for Geophysical Research; University of Costa Rica; San Pedro Costa Rica
2. School of Physics; University of Costa Rica; San Pedro Costa Rica
3. Center for Research in Marine Sciences and Limnology; University of Costa Rica; San Pedro Costa Rica
4. Observatorio Latinoamericano de Eventos Extraordinarios, Centro de Modelado Científico; Universidad del Zulia; Maracaibo Venezuela
5. Atmospheric and Oceanic Sciences; Princeton University; NJ USA
6. International Research Institute for Climate and Society, The Earth Institute; Columbia University; New York NY USA