In this work we present the main characteristics of a model of the high pressure ring that supply natural gas to the Greater Buenos Aires. This model is intended to predict possible emergencies situations in the system within two to three days in advance. It is based on the dependence daily consumption of natural gas on the average daily temperature and the status of the pressure regulators at the end of the pipelines. The result of a test of the model using actual data for the winter of 1994 and 1995 suggests that the model does provide adequate warning two days in advance. Finally we present a brief analysis of the accuracy of the temperature forecast, that is used in our prediction of temperature, to gauge the robustness of our model.

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