Antecedentes Estaciones     This model is not to scale. The eccentricity is only 1/120 and would not be visible in the sketch. Zonas climáticas     Different climatic zones within the Himalayan region. CIT (convergencia intertropical)     Intertropical convergence. Vientos alisios     Trade wind circulation. Satélites meteorológicos     The first launch of a second generation of Meteosat satellites was in 2002. The opportunity to analyse the atmosphere and its trace gasses was enhanced with these satellites.