Dense Fog Advisory:
Issued at: 3:58 am CDT on September 18, 2014, expires at: 9:00 AM CDT on September 18, 2014
- ...Dense fog advisory in effect until 9 am CDT this morning... The National Weather Service in St Louis has issued a dense fog advisory...which is in effect until 9 am CDT this morning.
- Timing...areas of dense fog can be expected over the area early this morning.
- Visibilities...pockets of dense fog will be dropping visibilities to below one-quarter mile.
- Impacts...rapid changes in visibility will cause hazardous driving conditions. Precautionary/preparedness actions... A dense fog advisory is issued when dense fog will substantially reduce visibilities...to one-quarter mile or less...resulting in hazardous driving conditions in some areas. Motorists are advised to be alert for rapid changes in visibility. Use caution and slow down...as objects on and near roadways will be seen only at close range.