新年的钟声即将敲响，跨年倒计时、大型烟花表演、古城狂欢……新年的仪式感已拉满。不过，今天 （12月31日）夜间，一场寒潮也将同步来袭，正值雨雪核心影响时段，中东部多地寒意加重。 跨年夜北方大部天寒地冻 河南、湖北、安徽部分地区降雪较强 内蒙古、新疆、青海、甘肃、山西北部、吉林、辽宁、黑龙江没有雨雪天气打扰，适宜出行，但这些地 方最低气温普遍在-10℃以下，哈尔滨、长春、呼和浩特等地甚至不足-20℃，天寒地冻。而在京津冀、 山东等地跨年夜体感也将十分"冻人"，北京、天津等地最低气温接近-10℃，寒意十足，需加强保暖措 施。 受寒潮南下影响，西南一带气温也会下滑，四川东部、云南北部、贵州等地跨年夜最低气温仅有5℃上 下，寒凉感在线，参加跨年夜活动也需厚装护体。 云南南部、广西南部、广东、福建、海南、台湾等地受寒潮影响较小，没有雨雪"叨扰"，最低气温普遍 在15℃上下，天气较为舒适，适宜户外活动。 跨年夜活动丰富多彩 一图掌握十大热门城市穿衣指数 跨年夜各类活动为人们迎接新年增添了满满仪式感。据旅游平台统计，今年跨年夜，上海、哈尔滨、北 京、沈阳、大理、昆明、成都、广州、贵阳、长沙为十大热门城市。跨年倒计时、烟花秀 ...

Core Viewpoint - Nanjing will host various offline cultural and tourism activities in multiple commercial districts on December 31, aiming to create a unique night experience while ensuring traffic safety through increased police presence and traffic management measures [1]. Traffic Management - The Nanjing Public Security Traffic Management Department will enhance police deployment and implement temporary traffic control around key commercial areas and event sites, advising citizens to check road conditions in advance and use public transportation [1]. - Specific traffic control measures will be in place around the Yuantong commercial area, with expected increased traffic flow during peak hours, leading to potential restrictions on certain roads [3]. - The traffic management will include measures such as allowing only exit for vehicles at 13 parking lots along major roads near the New Street area, with further restrictions on non-motorized vehicles and all vehicles later in the evening [6]. Parking and Public Transport - The Yuantong International Expo Center will provide approximately 3,000 parking spaces, with citizens encouraged to park in designated areas [3]. - For the Xianlin area, ample parking is available, and public transport options include the convenient access via Metro Line 2 [5]. - Additional public transport options are provided for other commercial areas, with specific instructions for parking and public transport access to various shopping centers [8][9].