HIDE Special Weather Statement issued September 22 at 5:04AM EDT by NWS Blacksburg
...Dense Valley Fog Early This Morning...
Patchy dense fog this morning will impact mainly mountain valleys
and along the rivers. Visibilities will vary from less than a
quarter mile to greater than a mile, and change rapidly as you
travel this morning. The fog will erode toward 9am.
If you plan to travel this morning, be alert for dense fog and
severely reduced visibility. Reduce speed, use low beam
headlights, and allow extra distance between you and the vehicle
in front of you.