In the present invention, the numerical weather forecast (NWP) is used with prediction, current weather forecast system, it is related to acquiring in real time using the long-term past weather DB of data mining technology with weather information for most short term weather forecast system, it include: that step 1 is rapid, collect seven days a week Weather information (one) before 7 a couple of days to flow point, and front and back on the about 30th in the identical time zone of data is extracted, the same period (moon, day) is that period (one) collects period (one) from meteorology and weather information is stacked into bottom 10 years old; Second step executes Pearson& prime; Association analysis between s, weather information extracts coefficient of 3 periods with highest correlation in 60 periods, average period (C groups) from zero date (B groups) section of extraction 1 day and weather information period (one) seven days a week; Third step, from above-mentioned average period (C groups), generates a few houres current point after shortest word weather 1 to 10 using weather information. By abovementioned steps, the present invention can provide the limitation of shortest word weather forecast immediately, low in cost, and compensation passes through convenient value weather forecast and the time carried out using the model by device resource production weather forecast. ;The 2015 of copyright KIPO submissions
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