不过，对于这股冷空气的预报还有不确定性，对于其强度和南下的程度，各家预报分歧较大。能否达到 寒潮强度，需留意临近最新预报。 转自：扬子晚报 扬子晚报网12月25日讯（记者 万惠娟）目前，一股冷空气正在影响我国，26日将进入尾声，气温也随 之开始触底反弹。 未来三天，江苏以晴到多云天气为主。26日早晨全省气温较低，除苏州在0℃外，其他城市均在0℃以 下，淮北地区可达-4℃左右。周末气温回升，但早晨气温较低，早晚温差大，大家注意防寒保暖。 放眼全国，28日前后，各地气温又将重回较常年同期偏高的状态。升温的同时，一直到30日，我国大部 地区都将是降水稀少、天气干燥的状态。 天气还是熟悉的套路，升温过后，下周又有两股冷空气接连来袭，跨年期间降水也将发展。28日-30日 冷空气主要影响北方地区，淮河以北地区有4~8℃以上降温。2025年12月31日-2026年1月3日的冷空气更 值得关注，从目前预报来看，这股冷空气将给我国大部地区带来6～8℃降温，局地降温10℃以上。 全省晴到多云。最高温度：淮北地区4℃左右，其他地区5～6℃；最低温度：沿淮和淮北地区-4～-5℃， 有冰冻，其他地区-3℃左右，部分地区有冰冻。全省偏北 ...

Core Viewpoint - The article discusses the onset of the "Seven Down, Eight Up" flood prevention period in Northern China, highlighting the significant rainfall and extreme weather events expected during this time [1][4][11]. Summary by Sections Rainfall Patterns - The "Seven Down, Eight Up" period typically occurs from late July to early August, during which Northern China experiences concentrated rainfall, accounting for about one-third of the annual precipitation [4][10]. - Historical data from 1991 to 2020 indicates that major cities in the region, such as Beijing, Shijiazhuang, and Jinan, receive over 50% of their annual rainfall during these two months [4][6]. Extreme Weather Events - The article references several historical extreme rainfall events, including the 2021 Zhengzhou and 2012 Beijing floods, emphasizing the potential for record-breaking rainfall during this period [6][10]. Meteorological Influences - The article identifies key meteorological factors contributing to the rainfall, including the influence of the subtropical high-pressure system, warm moist air from the sea, and cold air from Siberia, which interact to create severe weather conditions [7][10]. - The geographical features, such as the Taihang and Yanshan mountain ranges, play a significant role in enhancing rainfall as warm moist air is forced to rise and cool, leading to precipitation [10]. Forecast for Current Year - According to the National Climate Center, the forecast for this year's "Seven Down, Eight Up" period indicates above-normal precipitation in regions such as Inner Mongolia, Heilongjiang, and Shandong, with rainfall expected to be 20% to 50% higher than usual [10][11].

Group 1 - The weather in Hangzhou has shown a drastic change from hot to cool, highlighting the significant impact of humidity on comfort levels [1] - On Sunday, the temperature was pleasant due to the influence of cold air, with thick cloud cover and occasional light rain, making it one of the most comfortable days recently [1] - However, temperatures are expected to rise again on Monday, reaching around 33°C in the afternoon, signaling the return of early summer heat [1] Group 2 - Starting Tuesday, warm and humid air will return, leading to a series of rain events in Hangzhou, with a focus on thunderstorms and heavy rain from Tuesday to Saturday [1] - The upcoming weather pattern resembles a rehearsal for the plum rain season, prompting residents to stay updated on weather forecasts and prepare for both sun and rain [2] - Recommendations include carrying an umbrella, staying hydrated, consuming light meals, and using air conditioning or fans to manage indoor temperature and humidity [2]

Group 1 - The weather in Hangzhou is experiencing a transition from hot and sunny conditions to a rainy pattern, with temperatures reaching up to 34°C and minimum temperatures above 20°C before the rain arrives [1][2] - The arrival of warm and humid air is expected to lead to scattered showers, with increased humidity contributing to a feeling of summer heat [2] - The interaction between warm moist air from the south and cold air from the north is causing the region to enter a rainy phase, highlighting the unpredictable nature of summer weather [2]