UPDATE at 2:20 p.m
The fog advisory has ended.
Original story:
Prince George drivers are going to have grin and bare out during the morning commute as the heavy fog has returned.
Environment Canada has issued a fog advisory for the Prince George area, which also includes Vanderhoof.
A strong inversion has trapped the extensive area as the patches could last into the afternoon.
Visibility may be reduced to near zero in some areas when travelling.