寒潮蓝色预警：江淮江南华南北部等地先后降温6至10℃

Group 1 - The Central Meteorological Administration issued a blue alert for a cold wave, predicting a temperature drop of 6 to 10 degrees Celsius in various regions from February 15 to February 17 [1] - Specific areas such as northeastern Inner Mongolia, northern Heilongjiang, and much of Jiangnan are expected to experience localized temperature drops exceeding 12 degrees Celsius [1] - By the early morning of February 17, the zero-degree Celsius line is forecasted to move southward to areas including Jianghuai, southern Huanghuai, and central Jianghan [1] Group 2 - Government and relevant departments are advised to prepare for the cold wave according to their responsibilities [4] - Individuals are encouraged to wear additional clothing for warmth [4] - Protective measures should be taken for tropical crops and aquatic products [4]