Atmospheric phenomena which affect the state of the atmosphere. They constitute dry particles that hang suspended in the atmosphere, such as dust, smoke, sand, and haze.
- Browse Related Terms: 500 hPa, 500 mb, Constant Pressure Chart, Engineer's Level, Extraterrestrial Radiation, Isobaric Chart, Isoheight, Lithometeor, Precision, REP, Station pressure, Theodolite, Tides, Upper-air Weather Chart