Update: The advisory has been lifted.
Environment Canada has issued a fog advisory this morning in Chatham-Kent. as very dense fog is occurring over portions of southern Ontario this morning.
In some areas, visibility may be reduced to near zero. A cold front will help whisk away the damp foggy conditions a little later this morning for areas near Lake Huron and this afternoon for remaining areas.
Visibility may be significantly and suddenly reduced to near zero. If travelling, be prepared for areas of near zero visibility.
Weather Advisories for fog are issued when near zero visibilities in fog are expected or occurring.
