1983年因大气环流明显异常,引起气候多变,自然灾害频繁,不少气候要素失去常年规律,两极分化极其明显。如4月的高温酷热多大风,5—8月的连续少雨干旱,三秋时节的烂冬雨以及12月底的寒冷都创历史纪录。其强度之大。范围之广,实属罕见。各时节的重要天气,直接关系到我州的农业生产。笔者就上述重大灾寒性天气的形成原因,以及对农业生产的影响程度作扼要描述。 In 1983, due to the obvious anomaly of the general circulation of the atmosphere, which caused frequent changes in climate and frequent natural disasters, many elements of the climate lost the perennial law and polarization was extremely obvious. Such as the April hot and windy gale, 5-8 months of continuous dry and rainy, rotten winter rain in the autumn season and the end of December the cold record. Its strength. Wide range, it is rare. The important weather of each season is directly related to the agricultural production in our state. The author describes the formation of the above major cold weather, as well as the extent of the impact on agricultural production for a brief description.