...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING FOR THE WILLAMETTE VALLEY...AS WELL AS THE INTERSTATE 5 CORRIDOR IN SOUTHWEST WASHINGTON...
THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING.
WIDESPREAD FOG HAS DEVELOPED AGAIN OVERNIGHT IN THE INTERIOR VALLEYS OF NORTHWEST OREGON AND SOUTHWEST WASHINGTON...AND IS BECOMING DENSE IN MANY AREAS THIS MORNING. VISIBILITY OF ONE QUARTER MILE OR LESS HAS BEEN REPORTED AT SEVERAL WILLAMETTE VALLEY AIRPORTS THIS MORNING...AS WELL AS KELSO AND HILLSBORO AIRPORTS. FOG APPEARS TO BE PARTICULARLY DENSE ALONG PORTIONS OF INTERSTATE 5 THROUGH NORTHWEST OREGON AND SOUTHWEST WASHINGTON THIS MORNING.
THE FOG IS EXPECTED TO GRADUALLY LIFT DURING THE MORNING HOURS... WITH VISIBILITY SLOWLY IMPROVING BY LATE MORNING.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.