Fog is like a cloud that touches the ground. It forms when water vapor condenses to become liquid water droplets or ice crystals, suspended in the air. Source: NASA/NOAA It has to be very humid ...

The sessions make reference to the way the sun and the clouds cause water droplets to rise into the air to form clouds; how small clouds join together to make heavier rain clouds; the different ...

Cloud Weight It might seem surprising, but the average cumulus cloud, those cotton-like clouds you see on fair weather days, ...

In everyday terms, we are literally walking and driving through clouds. Foggy mornings ... air must be to become saturated with water vapor and form dew. Fog arises when the temperature is lowered ...

In a state known for its droughts, where the southern half recently experienced devastating fires, understanding California’s natural water sources is more important than ever. Three University of ...