The Ups and Downs of Adiabatics
ASSIGNMENT A
EOU Physical Geography
Dr. M. Mustoe Revised for Winter Q 2005
NEW AND IMPROVED

 

Directions
Answer the following questions using the formula below
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Make sure each question is associated with each answer.



Part 1
The lifting condensation level of air is the level at which air becomes saturated. Use the LCL and adiabatic formulas to complete the following investigations: 

On a separate piece of paper draw a cross sectional diagram representing the work below.  Make sure you turn everything in.                   

Given a parcel of air that has a temperature of 25 degrees C and a dew point of 14 degrees C.:

1. What is the LCL for the air?
A. 2000 m
B. 3131 m
C. 1375 m
D. 2013 M

2. If the parcel were to rise from sea level to 4000 metres what would the temperature be?

A. 13.725 C
B. 10.125 C
C. -1.875 C
D. -2.125 C

3. If precip is falling what kind of precipitation would you most likely find at 4000 metres?
A. Absolutely no precipitation but heavy winds
B. Rain
C. Maybe some snow
D. Absolutely no precipitation but heavy winds

A parcel of maritime air with a temperature of 15.5 degrees c and a dew point of 7.2 degrees c. flows from sea level to an elevation of 4,193 Ft ( 1278 mtrs). Then descends to 2,788 feet (849 mtrs). Round and Average numbers
.
4. What is the temperature of the air by the time it gets down to
2,788 feet (849 mtrs)
A. 8.3C
B. 60F
C.105 F
D. 47.3F
E. 27.01 C
F. A and D

 

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