大雾的观测事实15日-25日，琼州海峡每日都出现因大雾停航的情况（表1

Observation Facts of Heavy Fog From <br>15th to 25th, the Qiongzhou Strait was suspended due to heavy fog every day (Table 1). Since the navigation conditions are generally that the visibility of the port is not less than 1km, the suspension time can be used to indicate the time when the fog appears. .

大雾的观测事实<br>15日-25日，琼州海峡每日都出现因大雾停航的情况（表1），由于通航条件一般为港口能见度不小于1km，所以可以用停航时间来表示雾出现的时间。

Observational facts of heavy fog<br>From May 15 to 25, the navigation in Qiongzhou Strait was suspended due to heavy fog every day (Table 1). Since the navigation condition is generally that the visibility of the port is not less than 1km, the time of suspension can be used to express the time of fog.<br>