(Encyclopedia) dew point: see dew. (Encyclopedia) hygrometer h?gr?m?t?r, instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a? (Encyclopedia) dew, thin film of water that has condensed on the surface of objects near the ground. Dew forms when radiational cooling of these objects during the nighttime hours also cools the? (Encyclopedia) fog, aggregation of water droplets or ice crystals immediately above the surface of the earth (i.e., a cloud near the ground). A light or thin fog is usually called a mist. Fog may? (Encyclopedia) cloud, aggregation of minute particles of water or ice suspended in the air.
Formation of Clouds
Clouds are formed when air containing water vapor is cooled below a critical? Moisture and HumidityWeatherPartly to Mostly CloudyMoisture and HumidityIn the CloudsTen Major Cloud TypesForecasting by Clouds In all my years of teaching and talking about the weather, I have? What Factors Are Conducive to Fog?Science Projects for BeginnersWhat Kind of Trash Bag Breaks Down Fastest?Is One Room of Your House Colder Than Another?What Factors Are Conducive to Fog? If you've? Ten Major Cloud TypesWeatherPartly to Mostly CloudyMoisture and HumidityIn the CloudsTen Major Cloud TypesForecasting by Clouds In biblical times, Job asked, "Can any understand the spreadings of? Now for the Real WorkWeatherLet's See How It's DoneNow for the Real WorkGoing Into the Upper AirBring on the MachinesWhat About the Five-Day Forecast? So far, most of what I knew about the weather? Frontal AttackWeatherOn Another FrontMass AppealPutting Up a FrontFrontal AttackStorms on the FrontTelling What's Next Air masses generate their own types of weather, but their interactions on a?