* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Inland Volusia and Northern Lake. * WHEN...Until 6 AM EST early this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Satellite imagery and surface observations indicate an area of fog developing and spreading southwestward across inland Volusia and Lake counties. Visibility of one mile or less is possible in these areas, including Deland, Astor, Eustis, and Leesburg. A Dense Fog Advisory may be needed if these conditions persist or worsen over the next several hours. Motorists should be alert for sudden changes in visibility. When encountering fog, slow down, increase following distance, and use low-beam headlights.