This study is based on the hypothesis of the occurrences of an episode of El Niño Phenomenon, spreading a series of troposferics alterations , whose bottom line consists in a overheating of the ambient, excessive rain in some regions and severe drought in others, and an intense penetration towards the North of the Westerlies in the altitude, creating in Bolivia an alteration of the normal circulatory system of the mass of air, even though this is independent of the inherent dynamics of Pacific Ocean, and its basin.
Beyond to seek a statistic and synoptic analysis, of WHY it happens the atmospherically anomalies, this job will try to respond through the simulations of HOW and under WHAT conditions are developed these anomalies that modifies the normal dynamic of the mass of air that circulates through the peculiarities topographic of Bolivia, and to refer in economic terms, the damages produced by these alterations, with special attention to the event of 1997/98.
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