局地降温20℃左右，寒潮、强对流、大风、沙尘暴、大雾五预警齐发

Core Viewpoint - The Central Meteorological Observatory has issued multiple weather warnings including cold wave, strong convection, strong winds, sandstorms, and fog, indicating significant temperature drops and severe weather conditions across various regions in China [1][5][10][14][18]. Group 1: Cold Wave Warning - A blue cold wave warning has been issued, predicting temperature drops of 8-14°C in several regions from March 26, 20:00 to March 30, 08:00, with some areas experiencing drops of 16-20°C [1][5]. - The lowest temperatures are expected to occur on the night of March 29 to the early morning of March 30, with the 0°C line projected to be in the southern part of North China to the Qinling area [1]. Group 2: Strong Convection Weather - A blue warning for strong convection weather has been issued, forecasting thunderstorms with winds above 8 levels and hail in parts of several provinces from March 26, 20:00 to March 27, 20:00 [5][9]. - The main impact period for strong convection weather is expected to be during the night of March 26 [5]. Group 3: Strong Wind Warning - A blue warning for strong winds has been issued, predicting winds of 5-6 levels with gusts of 7-8 levels in various regions from March 26, 20:00 to March 27, 20:00 [10][11]. - Coastal areas such as the Bohai Sea and Yellow Sea are expected to experience winds of 7 levels and gusts of 8 levels [10]. Group 4: Sandstorm Warning - A blue sandstorm warning has been issued, indicating the possibility of dust storms in parts of Xinjiang and other regions from March 26, 20:00 to March 27, 20:00 [14][15]. - Areas in southern Xinjiang may experience severe sandstorms [15]. Group 5: Fog Warning - A yellow fog warning has been issued, predicting visibility below 1 kilometer in several coastal areas and ports from the night of March 26 to the daytime of March 27 [18][20]. - Measures are advised to ensure traffic safety due to low visibility conditions [20].