莲花公社十九个大队,有十个大队地处海拔三百米至一千米以上的半山区和高山区。山高水冷气温低,地形复杂日照短,气候恶劣灾害多,特别是秋季低温,给农业生产威胁很大,晚季插秧稍有耽误农时,就要减产,遇到寒流早来年分,数千亩绝收,全社要损失稻谷上百万斤,成为山区发展农业生产的巨大障碍。因此,生产上迫切需要解决秋季低温的预报问题,以便更好地为“农业学大寨”、普及大寨县服务。几年来,我们在毛泽东思想的指引下,在公社党委领导下,运用天文气象学和群众测天经验,从大气环流的活动周期和地球自转的日月角度,找到了灾害性和关键性天气预报服务的方法。在秋季低温的预报中,我们抓住暖与冷的特殊矛盾,用“回暖对初冷”的天气现象,以节气日和日蚀、月蚀三个农历日期查对相似年分,找到秋季低温的普遍规律,制成一种切实可行的“相似期距”测报办法,收 Nineteen brigades of the Lotus Commune have ten brigades located in mid-levels and high-mountain areas at an altitude of 300 meters to over one thousand meters. High mountains and cold water temperature is low, complex terrain sunshine short, severe weather disasters, especially in the autumn low temperature, a great threat to agricultural production, late season planting a little delay in agriculture, it is necessary to reduce production, cold in the early years, thousands of acres of crops The whole society will lose billions of kilograms of rice and become a huge obstacle to the development of agricultural production in the mountainous areas. Therefore, there is an urgent need to solve the forecast problem of low temperature in autumn so as to better serve Dazhai County and popularize Dazhai County. In the past few years, under the guidance of Mao Zedong Thought and under the leadership of the commune party committee, we have used astronomical meteorology and the mass test of the sky to find disastrous and critical weather forecasts from the perspective of the atmospheric circulation cycle and the rotation of the Earth Service method. In the forecast of low temperature in autumn, we grasp the special contradiction between warm and cold, use the phenomenon of “warming up to first cooling”, check out the similar years using the three lunar dates of solar eclipse and solar eclipses, and find The general law of the autumn low temperature, made a practical “similar period ” method of reporting, income