Core Viewpoint - A strong cold air mass is sweeping through Guangdong, leading to a significant drop in temperatures, with the coldest phase occurring from January 3 to 4, 2023 [1] Temperature Impact - On January 3, the minimum temperature in northern Guangdong's mountainous areas fell below 0°C, with Jinzi Mountain experiencing ice formations and rime [1] - In Guangzhou, the minimum temperature approached 0°C, prompting residents to rely on winter clothing and windproof gear for outdoor activities [1] - The temperature in most parts of Guangdong dropped sharply, with northern and northern Pearl River Delta counties recording minimum temperatures between 2°C and 5°C, while high-altitude areas saw temperatures between -4°C and 0°C, leading to frost and freezing conditions [1] Tourist Attraction - Jinzi Mountain attracted many visitors from the Guangdong-Hong Kong-Macau Greater Bay Area due to the cold air's impact, with tourists expressing joy at witnessing winter scenery in Guangdong [1] Future Weather Forecast - Meteorological experts predict that a new weak cold air mass will arrive on the night of January 5, causing a slight further decrease in temperatures, and advise the public to take precautions against the cold [1]