Meteorologists' study is the scientific study of the atmosphere, which includes weather and climate. It involves the observation, analysis, and understanding of atmospheric phenomena, such as air pressure, temperature, humidity, wind, and precipitation. Meteorologists use their knowledge to forecast the weather and climate, and to advise on the best ways to protect people and property from the effects of extreme weather. The term SKIES is used to refer to the atmosphere, which is the domain of meteorologists.