Summary of Key Points Core Viewpoint - The article discusses the recent weather patterns in China, highlighting the impact of cold air and subsequent temperature fluctuations across various regions, with a focus on precipitation and temperature changes. Temperature Changes - Since October 15, a strong cold air mass has affected most of China, leading to temperatures dropping to levels typical of November or December, with some regions like Inner Mongolia, Hebei, Shanxi, and Hubei recording their lowest mid-October temperatures [1] - On October 22, temperatures are expected to gradually rise, but the increase will be minimal, with most areas remaining at or below normal levels for this time of year [1] - From October 25 to 26, temperatures in northern regions are projected to drop by 4 to 6 degrees Celsius, with localized drops reaching up to 8 degrees Celsius [2] Precipitation Patterns - The central and eastern regions are experiencing minimal precipitation, while areas like Hainan and Taiwan are affected by significant rainfall due to the combined influence of a typhoon and cold air [5] - From October 23 to 24, snow is expected in the Tibetan Plateau, with increased rainfall in the Sichuan Basin and Shaanxi [7] - On October 24, regions such as eastern Tibet, eastern and southern Qinghai, and northern areas of the Tibetan Plateau are forecasted to receive moderate to heavy snowfall, with localized heavy snow [9] Weather Warnings - Areas in Hainan and Taiwan are advised to prepare for potential secondary disasters due to strong rainfall [11] - Travelers in regions experiencing rain and snow are cautioned to be aware of traffic safety and slippery conditions [11]

Summary of Key Points Core Viewpoint - The weather forecast indicates that Hangzhou will experience rain and thunderstorms due to weak cold air and the edge of a subtropical high, with temperatures expected to drop below 31°C in the coming days. However, the National Day and Mid-Autumn Festival holiday period will see higher than average temperatures, suggesting a delayed arrival of autumn [1]. Weather Forecast - From September 29, temperatures in Hangzhou will decrease, with highs dropping below 31°C [1] - During the National Day and Mid-Autumn Festival holiday (October 1-8), the weather will be predominantly sunny with fewer rain events, and temperatures will be significantly above normal [1] - The early part of the holiday (October 1-5) will mainly be sunny with localized afternoon thunderstorms, while the latter part (October 6-7) will see a noticeable drop in temperature and precipitation due to a cold air mass moving south [1] Provincial Weather Overview - The overall weather in the province during the holiday will be mostly cloudy, with temperatures higher than usual for this time of year [1] - Certain areas are expected to experience high temperatures ranging from 35°C to 37°C between October 2-6 [1] - By October 7, a weak cold air mass will lead to a temperature decrease, with coastal areas and parts of northern Zhejiang experiencing strong winds [1]