Dense Fog Advisory issued February 28 at 6:42AM EST until February 28 at 9:00AM EST by NWS Blacksburg VA

* WHAT...
Visibility one mile or less in areas of dense fog, locally visibility could be as low as 1/2 to 1/4 mile.

* WHERE...
In Virginia, Bland, Giles, Wythe, Pulaski, Montgomery, Carroll and Floyd Counties. In West Virginia, Mercer County.

* WHEN...
Until 9 AM EST this morning.

* IMPACTS...
Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...
Those planning travel along I-77 from the North Carolina border to Wytheville and along the I-81 corridor from Marion to Christiansburg and to Roanoke should be alert for areas of dense fog along these routes.

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