This can also be called Valley Fog. Sometimes at night on the upper slopes of a mountain or a ridgetop, when the air cools, ...

In the winter of 2022, University of Utah researchers operated this weather station near Utah's Deer Creek Reservoir in the Heber Valley where they installed a trove of meteorological instrumentation ...

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 ...