Eastern Loudoun Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Dense Fog Advisory
Issued: 8:30 PM EST Feb. 23, 2018 – National Weather Service

... Dense fog advisory in effect until 8 am EST Saturday...

The National Weather Service in Baltimore MD/Washington has
issued a dense fog advisory, which is in effect until 8 am EST

* Visibilities... one quarter mile or less at times.

* Impacts... limited visibilities will make travel very difficult.

Precautionary/preparedness actions...

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.