Jiangsu, Zhejiang, and Anhui provinces in eastern China experience a subtropical monsoon climate, often affected by cold air from the north in winter. While snowfall is generally infrequent, specific weather patterns—such as the convergence of strong cold air and warm moist currents—can lead to sustained snow or freezing rain, increasing the risk of snow disasters. The region’s high urbanization level means infrastructure is vulnerable to extreme weather, with snow accumulation and low temperatures potentially causing transportation paralysis and power outages. Additionally, mountainous areas in northern Jiangsu and western Anhui are more prone to snow buildup, exacerbating impacts. Against the backdrop of climate change, rising frequency of extreme weather events makes winter snow disaster prevention in this region increasingly critical.
江浙皖地区位于中国东部，属于亚热带季风气候，冬季常受北方冷空气南下影响。虽然常年降雪不多，但在特定天气系统配合下，如强冷空气与暖湿气流交汇，易形成持续降雪或冻雨，导致雪灾风险升高。该地区城市化程度高，基础设施对极端天气应对能力有限，积雪和低温可能引发交通瘫痪、电力中断等问题。此外，地形上苏北、皖西山区积雪更易累积，加重灾害影响。气候变化背景下，极端天气频率增加，使得江浙皖冬季雪灾防范变得更为重要。
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