Weather and Atmosphere test review

# Weather and Atmosphere test review - Weather and Atmosphere...

• Test Prep
• 3

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Weather and Atmosphere test review Chapter 3 Station Models: -reports measurements taken 2 meters above the Earth’s surface - the number in the upper left is temperature - The number in the lower left denotes the dewpoint temperature - The number at upper right shows a coded number denoting sea level pressure - If this number is greater than 500, a 9 must be added in front and a decimal point placed in front of the right most number to obtain the value in millibars - If this number is less than 500, a 10 must be added in front and a decimal in front of the right most number - Weather symbol is plotted to the left of the station between temp and dewpoint temp - Lines of constant pressure are called isobars - Lines of constant temperature are called isotherms - Lines of constant dewpoint temperature are called isodrosotherms Pressures as vertical Coordinate - Aircraft use devices called altimeters to measure altitude by using a constant pressure since pressure increases with altitude - A rwainsonde balloon uses pressure and temperature to calculate altitude Constant Pressure Maps - A pressure surface is a surface above the ground all over that has a specific surface -

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• Fall '06
• FORREST,BE
• Time zone, dewpoint temperature

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