# StabilityLab - ASSIGNMENT 1 Plot the following sounding on...

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ASSIGNMENT 1. Plot the following sounding on the thermodynamic diagram. Plot each temperature as a small circle and connect the circles with ruled lines. Plot the dew point as small x's and connect the x's with ruled lines. Pressure (mb) Temperature (°C) Dew point (°C) 1000 9 5 900 12 12 800 2 -17 700 -5 -8 600 -10 -16 500 -25 -30 400 -8 -30 2. What is the temperature (C) at the following levels? 900 mb 12'C 850 mb 8'C 550 mb -18'C 425 mb -11'C 3. At what pressure level(s) can the following dew points be found? (Find all levels) 10°C 940mb, 875mb 0°C 850mb -10°C 825mb, 725mb, 675mb 4. Find the mixing ratio (w), the saturation mixing ratio (w s ) and calculate the relative humidity for the following pressure levels: Pressure (mb) w (g/kg) w s (g/kg) RH (%) 1000 ___6 ____ ___8 ____ (6/8) * 100% = .75 900 ___11 ___ ___11 ____ (11/11) * 100% = 1 800 ___1.5 ___ ___6 __ _ (1.5/6) * 100% = .25 700 ___3 ____ ___4 ____ (3/4) * 100% = .75 500 ___.75 ___ ____1 ____ (.75/1) *100% = .75 5. If the air at 1000 mb is lifted to 700 mb, will it be colder or warmer than the surrounding air? Does this represent a stable or an unstable condition? Why?

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When the air is lifted to 700mb as it cools adiabatically it cools to -20'C. The actual temperature in the
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## This note was uploaded on 07/08/2011 for the course METRO 101 taught by Professor Staffmember during the Spring '11 term at Harrisburg Area Community College.

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StabilityLab - ASSIGNMENT 1 Plot the following sounding on...

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