天气概况/2018-12-27

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天气形势:肃陕西等地有降雪,西北地区东部出现明显降温; 后期关注:此次冷空气来源广(东路+西路),经向梯度大(东北冷涡后部横槽转竖),且南方暖湿气流活跃(印缅槽+台风+MJO活跃在海洋性大陆),月底将给南方大部带去2018年最后也是2019年第一波明显的降水和降雪天气。