* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of north central, northeast, and northwest
Alabama and southern middle Tennessee.

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

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.