There are two main types of fog, and the Northwest gets both varieties. And they both are directly related to the dew point. The dew point is the temperature at which the air becomes 100% saturated.

MIKE MOSS SAYS: Joe, Dew will not form if the temperature of the ground, grass, tops of cars, etc does not fall to equal the dew point. This can occur if the air is very dry so that it simply does not ...

Q: In canyons in the morning, dew often collects on webs,producing a beautiful combination. But how does dew form? And howdo spiders make webs? A: Spiders make webs out of strong thread produced ...

Dew forms on grass when the grass gets colder than the dew point temperature. Grass gets cold because during the night the grass and surrounding soil radiate heat energy to a clear sky. When the ...

AccuWeather's Melissa Constanzer breaks down how dew forms. Trump makes the first move ahead of tariff talks with China New Netflix movie watched 38 million times in just 5 days to dominate charts ...

MIKE MOSS SAYS: Edili, Dew requires a surface that is colder than the dew point of the air in contact with it, so dew will not form when the surface is warmer than the ambient dew point. In nature, ...