"When the air temperature drops below the dew point, any excess moisture condenses to a liquid on the roadway and ice can ...
That’s why liquid water falls but doesn’t freeze until it’s on the ground. Most ice storms form along stationary fronts — or stalled boundaries where cold and warm air meet. When a front ...
"When the air temperature drops below the dew point, any excess moisture condenses to a liquid on the roadway and ice can form," he said. Frost and fog can also cause the ice to form. If you hit ...