“极冷”冷涡系统形成！寒潮+大风双预警

Core Viewpoint - The article discusses the impact of a cold wave affecting various regions in China, with temperatures dropping significantly, particularly in the northeast and northern areas, while also forecasting a subsequent temperature rebound. Summary by Sections - Cold Wave Impact: The article highlights that as of December 2, extreme cold weather has been recorded in northeastern regions, with temperatures dropping below -30℃ in parts of Inner Mongolia and Heilongjiang [1]. - Temperature Forecast: It is expected that on December 3, many northern areas will experience further drops, with temperatures reaching as low as -20℃ in several locations [1]. In contrast, southern regions will see a shift from previously high temperatures to much lower ones, with maximum temperatures around 10℃ [1]. - Temperature Recovery: Following the cold wave, temperatures are predicted to rebound significantly by the weekend, with increases of 6 to 10℃ in many areas, and up to 15℃ in northeastern regions, bringing temperatures above 0℃ [5]. - Wind Alerts: The Central Meteorological Observatory issued blue wind alerts, predicting winds of 5-6 levels in several northern regions and stronger winds of 7-8 levels in various sea areas, including the Taiwan Strait [7][8]. - Cold Wave Warning: A blue cold wave warning was issued, indicating a temperature drop of 6-8℃ in regions such as Huanghuai, Jianghuai, and parts of Jiangnan, with some areas experiencing drops exceeding 10℃ [10].