(Atlantic) Dense fog developed over western and southern Iowa last evening and a prolonged period of 1/4 of a mile or less visilbility is expected through mid-morning today. The result of cold temperatures and thick fog will be slick roads, bridges and overpasses.
The National Weather Service has issued a Freezing Fog Advisory until 10:00 a.m. this morning for the following counties: Crawford, Carroll, Audubon, Guthrie, Cass, Adair, Adams, Madison, Union and Taylor Counties.
Forecasters say visibilities will be 1/8 of a mile to 1/2 mile over the advisory area. Travelers will need to slow down and be especially cautions when approaching intersections, railroad crossings, and traveling across bridges and overpasses. Motorists also need to be prepared for rapidly changing road conditions and visibility. According to the Weather Service, frost is likley to develop on area roads due to the nature of the fog and travelers are advised to allow for extra time to reach their destination safely this morning.
In addition, the National Weather Service has issued a Dense Fog Advisory only for the following counties: Monona, Harrison, Pottawattamie, Shelby, Mills, Fremont, Montgomery, and Page until 10:00 o'clock this morning.
February 6, 2012