WX 301 Exam 2 Test Prep FInal
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School
Embry-Riddle Aeronautical University *
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Course
301
Subject
Geography
Date
Apr 3, 2024
Type
Pages
7
Uploaded by ChancellorResolve11502
WX 301: Aviation Weather Exam 2 Test Prep Names: ______________________________ ________________________________ ______________________________ ________________________________ ______________________________ Directions:
Get in to groups of NO MORE than 5 people.
Circle the correct answer to the questions below. The group who scores the highest will receive 5 percentage points to their exam. 1.
Temperature inversions are _______ layers. a.
Conditionally unstable b.
Neutrally unstable c.
Absolutely unstable d.
Absolutely stable 2.
What is the "critical thickness" used as a rule-of-thumb to determine the rain/snow line? a.
546 dam b.
5400 m c.
534 dam d.
5520 m 3.
Decode the following wind direction and speed from a Winds/Temp Aloft product for flight level 340. 592052
a.
From the NE at 52 kts. b.
From the E at 120 kts. c.
From the W at 20 kts. d.
From the N at 205 kts. 4.
Which of the following values indicates a high likelihood of severe thunderstorms? a.
LI = -4; KI = 9 b.
LI = 0; KI = 42 c.
LI = 20; KI = 51 d.
LI = -7; KI = 43
5.
The below images show the same wind pattern with cold fronts in different locations. Only one of the images has the cold front placed in the correct location. Which image is most correct? a.
A b.
B c.
C d.
D 6.
The polar jet is most likely to be located directly over a region where the 1000-500 mb thickness values are _____________. a.
not enough information to answer the question b.
uniformly high c.
uniformly low d.
changing abruptly as you move horizontally 7.
When moving across a warm front
, from the cold side to the warm side, how do you expect the dew point temperatures to change? a.
They would increase, indicating more water vapor in the air behind the front. b.
They would decrease, indicating significantly drier air behind the front. c.
There would be no appreciable change in moisture content, only a change in temperature. 8.
At which level does an air parcel begin to rise due to buoyancy alone? a.
Lifted condensation level b.
Equilibrium level c.
Convective condensation level d.
Level of free convection
9.
The figure above shows five environmental lapse rates (ELRs). What would happen to an air parcel forced to rise from the surface in an atmosphere represented by ELR 3 (yellow line)? a.
it would continue rising if saturated but sink if dry b.
it would sink and return to the surface c.
it would be neutrally buoyant and stay in place d.
it would continue rising 10.
Above the boundary layer in the northern hemisphere, when the winds are to your back, low pressure would be: a.
Straight ahead b.
To your left c.
Straight behind d.
To your right 11.
Surface low pressure centers tend to develop ___________ a 500 mb trough. a.
To the right of b.
To the left of c.
Directly under 12.
Referring to the table above, City _____ has the greatest water vapor content
and city _____ has the greatest relative humidity
. City
Temperature
Dewpoint
A 75F 70F B 80F 65F C 32F 32F D 25F 23F a.
A;D b.
B;D c.
A;C d.
C;B
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