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hygrometer

(Encyclopedia) hygrometerhygrometerhīgrŏmˈətər [key], 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…

dew

(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…

fog

(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…

Weather: Moisture and Humidity

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…

Weather: Ten Major Cloud Types

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…

Weather: Frontal Attack

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…

Weather: Now for the Real Work

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…

Weather: Going Into the Upper Air

Going Into the Upper AirWeatherLet's See How It's DoneNow for the Real WorkGoing Into the Upper AirBring on the MachinesWhat About the Five-Day Forecast? The ground-level data nicely shows what's…