Group 1 - Typhoon "Haikashan" made landfall in Guangdong's Yangjiang on September 25, causing short-term heavy rainfall in Zhejiang and coastal areas due to its outer circulation and weak cold air influence [1] - Following the typhoon's westward movement, temperatures are expected to rise, with some areas experiencing high temperatures from September 25 to 28, particularly in Lishui and Quzhou, which may see temperatures reaching 34°C [1] - Despite the arrival of the autumn equinox, the cool autumn weather is still distant, as the high temperatures are set to return in the coming days [1] Group 2 - Rain showers and thunderstorms are expected to be prevalent across the province until early October due to frequent high-altitude trough activities [2] - From September 28 to 29, the province will experience cloudy weather with scattered afternoon thunderstorms, followed by continued rain activity from September 30 to October 2 [2] - The 20th typhoon "Bolaven" has formed east of the Philippines and is expected to move northwest into the South China Sea, but it will not impact Zhejiang [2]

Group 1 - The article discusses the impact of Typhoon "Hua Jasha," which has rapidly intensified and is expected to make landfall in Guangdong, affecting weather patterns in Zhejiang province [1][2] - The typhoon's outer circulation will bring rain to Zhejiang, particularly affecting coastal areas and leading to potential heavy rainfall in cities like Wenzhou, Taizhou, and Ningbo [2] - A new cold air mass is expected to arrive on Wednesday, which will further enhance rainfall in the region, particularly in the western and northern parts of Hangzhou [2] Group 2 - The weather forecast indicates that even after the typhoon's influence diminishes, residual moisture and a strengthening subtropical high will continue to bring thunderstorms and rain to the province [2] - The article notes that the active tropical systems and cold air will likely keep precipitation levels high throughout the month, with a significant cold air event expected around Sunday [2] - The arrival of autumn is anticipated as the average date for the season's onset approaches, with indications that cooler weather is on the horizon [2]

Group 1 - The weather in Hangzhou is experiencing a temporary relief from high temperatures, with the highest temperature reaching 31.2°C, and is expected to remain below 35°C for the upcoming week [1] - Rainstorms are anticipated from Saturday to the following Monday (13-15), with potential for severe weather including heavy rain and thunderstorms [1] - The overall weather pattern indicates a shift with the retreat of the subtropical high, leading to cooler temperatures and increased rainfall across the province [1] Group 2 - Despite the drop in temperature, high humidity levels are causing discomfort, as humidity impedes sweat evaporation, leading to a feeling of mugginess [2] - The subtropical high may reassert itself from the 17th to the 20th, bringing back warmer conditions with temperatures potentially exceeding 35°C in some areas [2] - Historical data shows that the onset of autumn has been delayed in many regions of China, with cities like Hangzhou experiencing a 5-9 day delay in autumn arrival compared to previous decades [2]

Core Viewpoint - The recent weather events in Zhejiang, particularly the re-emergence of Typhoon "Zhu Jie Cao," are expected to bring significant rainfall and strong winds to the region, marking it as one of the most impactful typhoons of the year [1][2] Summary by Sections Typhoon Development - Typhoon "Zhu Jie Cao" re-strengthened from a tropical depression to a tropical storm after absorbing nearby storm systems, targeting the Jiangsu and Zhejiang regions [1] - The storm is expected to make landfall between northern Zhejiang and southern Jiangsu, with wind speeds reaching up to 28 meters per second (9-10 level) [1] Weather Impact - The storm's outer cloud systems have already caused rainfall in Zhejiang, with localized heavy rain reported in cities like Wenzhou, Taizhou, and Jinhua [1] - From Tuesday to Wednesday, heavy rain and potential severe storms are forecasted, particularly in northern and central Zhejiang, with some areas experiencing extreme rainfall [2] Meteorological Analysis - The frequency of typhoons in July is attributed to favorable large-scale circulation conditions, which enhance the development of tropical disturbances in the equatorial region [2] - The chief forecaster from the Zhejiang Meteorological Bureau indicated that while the typhoon activity appears frequent, it remains within normal ranges, advising the public to take necessary precautions [2]