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]

Core Points - The article discusses the significant weather changes in northern China, including a notable drop in temperature and heavy rainfall expected in the coming days [1][12][20] Weather Forecast - A major rainfall event is forecasted for the next three days, primarily affecting the eastern Northwest region, northeastern Sichuan Basin, and areas in North China and Huanghuai, with localized heavy rain [2][4] - From October 10 to 13, the rain band will shift southward, continuing to bring moderate to heavy rain across the same regions [4] Temperature Changes - Northern regions are expected to experience a temperature drop of 4 to 8 degrees Celsius, with some areas seeing declines of over 10 degrees Celsius [12][14] - Cities like Taiyuan, Beijing, Tianjin, and Shijiazhuang are projected to have maximum temperatures around 10 degrees Celsius on October 9, which is about 10 degrees lower than the average for this time of year [14][16] Safety Precautions - The article emphasizes the importance of safety during travel, especially during the rainy season, advising individuals to be cautious of potential hazards such as landslides and road collapses [9][10] - Recommendations for dressing appropriately for the temperature changes are provided, suggesting a layered approach to clothing to adapt to varying conditions [16][18] Southern Weather Conditions - In contrast, southern regions are experiencing higher temperatures, with many areas maintaining minimum temperatures above 25 degrees Celsius and some reaching as high as 38 degrees Celsius [20]