This technology is a data analysis device and method that predicts annual precipitation for specific regions n years into the future. It works by grouping historical annual precipitation data into n-year averages, calculating the average change between consecutive periods, and adding that value to the most recent average. The system consists of a precipitation database, an average precipitation calculator, an average change calculator, and a precipitation forecasting unit.
Climate change has led to precipitation levels that either fall short of historical averages or surge beyond the capacity of dams and reservoirs, increasing the frequency of water shortages and flood-related displacement. However, existing forecasting methods have focused on short-term predictions—daily, weekly, or monthly—making it difficult to anticipate and prepare for long-term trends over 5 or 10 years.
This technology calculates long-term regional precipitation trends using only accumulated annual statistics, without the need for complex meteorological models. It can also compare these trends against reservoir capacity data to issue flood warnings for regions exceeding critical thresholds. It supports proactive long-term planning for municipal water management, dam and reservoir operations, and agricultural water supply.
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