另据江苏省气候中心，今年春运期间，全省气温偏高、降雨（雪）北多南少，总体上气象条件正常略 差。需要注意防范今年春运期间有阶段性低温雨雪天气，可能伴随冰冻天气，但出现大范围持续性低温 雨雪事件的可能性较小。需注意预防降雨（雪）、道路湿滑和结冰等对公众日常出行和交通运输不利的 影响。冷空气间歇期的回温可能会带来阶段性雾、霾等低能见度天气，需要预防对人体健康和交通出行 的影响。 全省三天天气： 2月3日20时至2月4日20时 全省多云到晴。最高温度：沿江和苏南地区16～17℃，淮北地区13℃左右，其他地区14～15℃；最低温 度：沿江和苏南地区1～2℃，其他地区0℃左右。全省东南风转偏南风，风力都是3-4级。 2月4日20时至2月5日20时 转自：扬子晚报 扬子晚报网2月3日讯（记者 万惠娟）江苏大回暖仍在继续。4日迎来立春，节气轮转，万物萌动，多地 也有了温暖如春的感觉。4日-5日，江苏大部气温更是要攀升到15~17℃，这抹冬日的温暖其实来自"锋 前增温"效应，是天气"变脸"前的假象。 接下来，天气可要"大反转"了。5日后期有一股强冷空气影响江苏，带来一次明显雨雪、强降温和大风 天气过程。具体来看，5日夜里淮河以 ...

Core Viewpoint - The weather in Zhejiang has been unusually warm and dry since October, with a significant drop in temperature expected due to an incoming cold front [1][2] Summary by Sections Temperature Trends - The highest temperature in Hangzhou reached 19.3℃, with some areas exceeding 20℃, marking a warm December [1] - Since October, the average temperature in Zhejiang has been 17.8℃, which is 2℃ higher than the historical average, and in December, it has been 11.8℃, also 2.2℃ above the norm [1] Precipitation Patterns - From October, the total rainfall in Zhejiang was 104mm, which is 38% less than the historical average, and in December, only 1mm of rain was recorded, a 97% decrease compared to the norm [1] Upcoming Weather Changes - A strong cold front is expected to arrive, bringing significant temperature drops, strong winds, and widespread light rain [1] - The cold front will impact the region from late Friday to Saturday, with temperatures expected to drop to 2-3℃ in urban areas and 0-3℃ in mountainous regions, potentially causing frost and ice [1] Short-term Weather Forecast - On Friday morning, humidity will increase with localized light rain expected, transitioning to cloudy conditions as the cold front weakens [2] - After the rain, warmer weather will return, with daytime temperatures gradually rising, although early morning temperatures will remain low, leading to significant temperature fluctuations [2]

Group 1 - A weak cold air mass has arrived, causing a drop in temperature in Hangzhou, with the highest temperature on Monday (December 8) recorded at 15.8℃, down from the "20s" over the weekend [1] - The air quality in Hangzhou deteriorated significantly due to the increase in PM2.5 levels, with the AQI reaching moderate pollution levels between 9-10 AM [1] - The cold air mass is not strong, and temperatures are expected to rebound significantly starting Wednesday, with highs reaching around 20℃ in northern Zhejiang and 22℃ in central and southern regions by Thursday [1] Group 2 - A significant drop in temperature is expected from Friday night to Saturday (December 12-13) due to another cold air mass, with temperature decreases of 6℃-8℃ and strong winds [2] - Rain is forecasted for Saturday, contributing to a "wet and cold" feeling across the Jiangsu-Zhejiang-Shanghai region [2] - The lowest temperatures next week are expected to drop to around 0℃ in most areas, with mountainous regions experiencing temperatures between -2℃ and -4℃ [2]

Core Points - The article discusses the fluctuating temperatures in Hangzhou due to the influence of weak cold air and the strengthening of the subtropical high pressure [1][2] - A significant drop in temperature is expected starting Saturday, marking a transition to autumn with lower daytime highs and increased rainfall [2] Group 1: Temperature Fluctuations - On Tuesday, the maximum temperature in Hangzhou was only 24.6℃, but it rose to 32.4℃ on Wednesday as the weak cold air influence ended [1] - The upcoming days will see temperatures oscillate between the effects of cold air and subtropical high pressure, with a notable rise before the arrival of a stronger cold front [1] Group 2: Upcoming Weather Changes - Starting Saturday, a strong cold air mass will lead to a significant drop in temperatures, with nighttime lows expected to reach the teens and daytime highs only between 22-23℃ [2] - The period from 18-19 will bring not only cooler temperatures but also increased rainfall, including possible thunderstorms, enhancing the cooling effect [2]