During the winters of 2009/2010 and 2020/2021, observations were carried out at an eastern port Liaodong Bay to examine variations in sea ice thickness atmospheric conditions. The daily (DIT) cumulative (CIT) are two main observation items related ice. For DIT, gradually decreases as temperature increases, freezing rate a is 1.48 cm/(°C·d)1/2. CIT, when −12 °C, maximum growth from 3.5 cm/d 1.5 ...