Core Viewpoint - A significant cold wave is expected to impact Jiangsu province starting from February 15, leading to a sharp drop in temperatures and strong winds across the region [1][2]. Weather Forecast Summary - From February 15 to 16, temperatures in the central and eastern regions of China will decrease by 4 to 8 degrees Celsius, with some areas experiencing drops of 10 to 12 degrees Celsius. Rainfall is anticipated, with the potential for heavy rain or storms in northern Jiangnan [2]. - The lowest temperatures are projected for the morning of February 17, with northeastern Jiangsu experiencing -3 to -4 degrees Celsius, while southern Jiangsu will see temperatures around 0 to 1 degree Celsius [1][4]. - Following the cold wave, temperatures are expected to rise above 10 degrees Celsius starting February 18, with a possibility of exceeding 20 degrees Celsius by February 20-21 [1]. Wind and Rain Conditions - A strong northerly wind of 5 to 6 levels, with gusts reaching 7 levels, will accompany the cold front, particularly affecting the northeastern regions [4][5]. - Rainfall will be moderate in southern Jiangsu, while other areas will experience cloudy to overcast conditions [1][4]. Travel Advisory - Tourists are advised to be cautious of the adverse weather conditions, including strong winds, temperature drops, and potential rain or snow, which may affect visibility and road conditions [2].

Core Viewpoint - The Central Meteorological Administration forecasts that during the Spring Festival holiday (February 15 to 23), most regions in China will experience temperatures 1°C to 3°C higher than the same period in previous years, with significant temperature fluctuations and precipitation expected at both the beginning and end of the holiday period [1][2]. Group 1: Weather Forecast - The forecast indicates that during the early part of the holiday (February 15-16), cold air will affect the central and eastern regions, leading to a temperature drop of 4°C to 8°C, with some areas in Jianghuai and Jiangnan experiencing drops of 10°C to 12°C [1]. - Rainfall is expected in the eastern regions, with small to moderate rain in Jianghuai, Jianghan, Jiangnan, South China, and eastern Southwest regions, and localized heavy rain or thunderstorms in northern Jiangnan [1]. - The latter part of the holiday (February 21-23) will also see a temperature drop of 4°C to 8°C in most areas north of the Yangtze River, with some regions experiencing drops exceeding 10°C, accompanied by 4 to 6 level north winds [1]. Group 2: Visibility and Safety Alerts - On the nights of February 15 and 16, visibility will be severely reduced in several coastal areas, including the Qiongzhou Strait and parts of Guangdong, with dense fog expected [1]. - The Central Meteorological Administration advises the public to plan accordingly for travel during the holiday, especially considering the potential for slippery road conditions due to rain and snow, and to stay informed about maritime conditions due to fog [2]. - High fire risk levels are noted in the forest areas of South China and Southwest regions, emphasizing the need for caution regarding fire safety [2].