Jin Shi Data News on December 17th, affected by a strong cold air mass, the northeastern region has experienced a significant drop in temperature recently. According to the latest satellite remote sensing and ocean station monitoring data from the North China Sea Forecast and Disaster Reduction Center of the Ministry of Natural Resources, on December 16th, there was sea ice distribution in the offshore waters of Liaodong Bay, with floating ice about 3 nautical miles away from the shore and a distribution area of 291 square kilometers. In addition, satellite remote sensing also detected sea ice of 69 square kilometers in the coastal waters of the northern part of the Yellow Sea, where Dandong, Liaoning is located. This marks the official beginning of the sea ice season in the Bohai Sea and the Yellow Sea this winter. Currently, the sea ice in the Bohai Sea and the Yellow Sea is still in the initial stage, mainly distributed in areas such as the mouths of rivers and nearshore shoals. With further drop in winter temperatures and sea temperatures, the sea ice will continue to develop, and the Bohai Sea, Liaodong Bay, and the northern part of the Yellow Sea will enter a severe ice period around mid-January 2025.