The weather news was reported by the National Hydrology Meteorology Forecast Center.
Fog reduces visibility to less than 1 kilometers, causing visibility far over 10 kilometers.
The weather condition is warned to continue hitting the Gulf of Tonkin in the next two or three days.
Fog reduces visibility to less than 1 kilometers, causing visibility far over 10 kilometers.
The weather condition is warned to continue hitting the Gulf of Tonkin in the next two or three days.
The cold front and thick fog caused difficult for vessels in the Gulf of Tonkin.
