To 13 years of Hurricane Catherine. This event was a milestone in the meteorology of the southwestern region of the American continent. For the first time in history a hurricane could be recorded in the southern hemisphere, far from the typical regions of origin of these tropical cyclones. In 2004 little was said about Climate Change in South America; And even less of the increase in the intensity and frequency of severe meteorological phenomena. From a technical education center the subject was approached as a didactic task. The same year 2004, the case study was presented at the II Uruguayan Meeting of Astronomy of Uruguay, celebrated in the city of Piriápolis between 5 and 7 November. It was warned about the probable increase and intensity of the meteorological phenomena. In August 2005, almost simultaneously with the occurrence of Hurricane Katrina in the United States; In Uruguay, suffered one of the worst storms in its history, due to an intense Cyclone of Latitudes Medias. Since then, nothing was the same.