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Introduction to the Atmosphere

Introduction to the Atmosphere - Meteorology Highlight...

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Meteorology Highlight…. Meteorology – The study of weather variables and the underlying physical processes that cause weather; also the interaction of the atmosphere with the Earth’s surface, ocean, and life. Climatology – The study of climate, including past climate conditions and possible climate changes in the future. Weather is the condition of the atmosphere at a particular location and moment. The condition of the atmosphere is expressed according to a few of the following: Temperature Humidity (relative humidity, dew point) Pressure Wind Speed and Direction Cloud Cover Precipitation (type and amount) Climate is the condition of the atmosphere over many years. The same atmospheric variables are used for climate as weather. Climate data use the following: Averages (“normal high” = 30 year average high temperatures for a given date and location) Extremes (“record high” = highest temperature ever recorded for a given date and location) Why study the atmosphere? To understand the wonders and dangers that abound in the earth’s atmosphere. Over the last 10 years… 5,730 Americans have died as a result of weather extremes and severe weather.
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The more we understand the processes… the safer we will be when they threaten us. 3 basic weather ingredients that make up the earth’s weather/climate system…..
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