Core Viewpoint - The article discusses the rare occurrence of snow in Guangzhou, marking the tenth anniversary of the first recorded snowfall in the city since the founding of New China, highlighting the climatic conditions necessary for such an event [1][3][29]. Summary by Sections Historical Context - On January 24, 2016, Guangzhou experienced a rare weather event where snow was recorded in the city center for the first time since 1949 [1][29]. - The last documented snowfall prior to 2016 was on January 30, 1929, with only nine recorded instances of snowfall in the city since the Song Dynasty [27][29]. Climatic Conditions for Snow - For snow to occur in Guangzhou, two primary conditions must be met: sufficient cold air and adequate moisture [13][20]. - In January 2016, a cold wave brought temperatures down to 1.8°C in the city center, marking one of the lowest temperatures recorded in the 21st century [7][11]. - The average precipitation in January 2016 was 370.6 mm, significantly higher than typical levels, contributing to the conditions for snow [15]. Recent Weather Patterns - In contrast, during January 2021 and December 2023, although temperatures were low enough to meet winter standards, the lack of sufficient precipitation prevented snowfall [24][27]. - The average rainfall in January 2021 was only 1.5 mm, a 97.9% decrease compared to historical averages, while December 2023 saw a 75.6% decrease in rainfall [24][27]. Impact of Snow and Cold Weather - The occurrence of snow and cold weather can lead to agricultural damage, affecting crops like citrus and bananas, and causing livestock losses [30]. - The 2016 snowfall led to transportation delays during the Spring Festival, highlighting the broader implications of such weather events on logistics and agriculture [30]. Future Preparedness - The article notes that Guangdong has developed strategies to mitigate the impacts of extreme cold weather, including the use of weather index insurance to protect agricultural interests [32]. - The region has also improved its transportation infrastructure to handle potential disruptions caused by severe weather [32]. Tourism Opportunities - Snow and ice have become attractions for tourism in Guangdong, with areas like Qingyuan and Conghua promoting winter scenery to attract visitors [36].

Core Viewpoint - The article discusses the impact of Typhoon "Tabah" on the Guangdong province, highlighting severe weather conditions, including heavy rainfall and strong winds, and the resulting emergency measures taken by local authorities [1][2][4]. Weather Impact - Typhoon "Tabah" was upgraded to a strong tropical storm on September 7, with maximum wind speeds reaching 30 meters per second and a minimum central pressure of 980 hPa [1][4]. - The storm is expected to move northwest at a speed of 20-25 kilometers per hour, maintaining its intensity [2][4]. - A yellow rainstorm warning was issued, predicting heavy to torrential rain in southern Guangdong and eastern Guangxi, with localized areas experiencing extreme rainfall of 250-280 millimeters [2][4]. Emergency Measures - Multiple regions have issued notices for school closures, halting classes in kindergartens and primary and secondary schools due to the typhoon warnings [7][15][19]. - As of September 7, there were 6 orange and 47 yellow typhoon warnings in effect across Guangdong province [8]. - Public transportation, including all trains on the Shen-Zhan and Guang-Mao railways, has been suspended, with plans to resume operations on September 9 [21]. Warnings and Alerts - The Central Meteorological Observatory continues to issue yellow warnings for both typhoons and heavy rain, indicating the potential for severe weather conditions [4][8]. - Specific areas are under alerts for strong winds, with expected wind speeds of 6-10 levels in various coastal regions [4][6].

Group 1 - The Central Meteorological Observatory issued a yellow rainstorm warning, predicting heavy rainfall in several regions including Inner Mongolia, Shaanxi, and Beijing, with localized areas experiencing extreme rainfall of 100-200 mm [2] - The warning includes potential short-term heavy precipitation with hourly rainfall of 20-50 mm, and localized areas may exceed 80 mm, along with thunderstorms and strong winds [2] Group 2 - A yellow heat warning was issued for high temperatures expected in regions such as Sichuan, Chongqing, and parts of Jiangsu and Zhejiang, with temperatures ranging from 35-39°C, and some areas may exceed 40°C [5] - Recommendations for heat prevention include reducing outdoor activities in the afternoon and providing guidance for vulnerable populations [7] Group 3 - A tropical storm named "Swordfish" (KAJIKI) was reported, with a maximum wind speed of 20 m/s (approximately 72 km/h) and a central pressure of 995 hPa [8][10] - The storm is expected to move west-northwest at a speed of approximately 25 km/h, with a forecast indicating a rapid decrease in intensity [10]