Dense fog is a weather hazard many central Iowans have become familiar with this winter, with several dense fog advisories over the last several weeks. While fog may appear the same, there are several ...

Fog is essentially a cloud that forms at ground level. It develops when the air near the surface cools to the dewpoint, the temperature at which the air becomes saturated with moisture. When this ...

The research team found that millions of bacteria floating in tiny fog droplets are alive, growing and breaking down pollutants in the air.

While fog presents a major hazard to transportation safety, meteorologists have yet to figure out how to forecast it with the precision they have achieved for precipitation, wind and other stormy ...

Fog is a near-surface cloud formed when water vapor condenses into microscopic liquid droplets or ice crystals suspended in the air, reducing horizontal visibility to less than one kilometer. Although ...