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根据《大连周水子国际机场航空气候志》1986-1995年的统计,雾的频繁出现是影响大连机场能见度的主要天气现象之一,占影响能见度小于1000米各因素总日数的82.9%,一年四季均可出现,尤以夏季雾出现的日数最多,而夏季的雾又以平流雾为主。这是由于大连机场夏季受副热带高压西部暖湿气流的影响,水汽充沛,加之大连机场东南部地势平坦,有利于空气爬升。当副热带高压稳定,大连机场吹东南风时,海上的雾直接吹向陆地,
According to the 1986-1995 statistics of “Aeronautical Climatology of Dalian Zhoushuizi International Airport”, the frequent occurrence of fog is one of the major weather phenomena affecting the visibility of Dalian Airport, accounting for 82.9% of the total number of days with less than 1000 meters of visibility, May appear, especially in the summer the largest number of fog appeared, while the summer fog and advection fog-based. This is due to the influence of the warm and humid air flow in the western part of Dalian Airport in the summer due to the subtropical high and the abundant water vapor. In addition, the southeastern part of Dalian Airport is flat and conducive to air climb. When the subtropical high pressure stability, southeast of Dalian Airport blowing wind, the sea fog directly to the land,