Wx 301 Final Exam Updated Questions And Correct Answers

WX 301 FINAL EXAM UPDATED QUESTIONS AND
CORRECT ANSWERS
Question:
1. Upper-level divergence results in ____
Answer:
rising motion and falling sur-face pressure

Question:
2. a surface high typically forms beneath upper-level ___
Answer:
convergence in northwest flow

Question:
3. flying at 35,000 ft, i am most likely to be in or above cloud when the flow is from the ____
Answer:
southwest

Question:
4. The troposphere is warmest under an upper-level ____
Answer:
ridge

Question:
5. warmest air is found beneath ____ and coldest be-neath ____
Answer:
A and E, C




Question:
6. A surface low will most likely form beneath ____ while a surface high will form near ____
Answer:
D, B

,Question:
7. rising motion and cloud are most likely beneath ____
Answer:
D




Question:
8. on average at 30,000 ft, i find ____ pressure above the poles and ____ pressure above the tropics
Answer:
low, high

Question:
9. in July, the 300mb tropical high pressure belt is located ____
Answer:
near 20N

Question:
10. on average, i find lowest 300mb heights above the north pole in ____
Answer:
january

Question:
11. in winter, the NH Upper-level westerlies are ____ and extend further ____ than in summer
Answer:
Stronger, south

Question:
12. short waves typically have ____ divergence associ-ated with them and move ____ than ling
waves
Answer:
more, faster

Question:
13. flying at 35,000 ft, I am most likely to be in or above cloud when the wind is ____
Answer:
from the southwest

Question:
14. in january, strongest flow at 30,000 ft is found ____
Answer:
just east of Asia and N. America

,Question:
15. the area of very low UL heights (pressure) above the polar region is called the ____
Answer:
polar vortex

Question:
16. on average, the westerlies ____ with height in the troposphere and ____ with height in the
stratos-phere
Answer:
increase, decrease

Question:
17. a strong 300mb polar jet is located across the GA/FL border. In atlanta north of the jet, I would
expect ____
Answer:
colder than normal tempera-tures

Question:
18. on average, the polar jet is located at ____ ft near latitude ____.
Answer:
30,000, 45-55

Question:
19. the subtropical jet is part of the ____ cells.
Answer:
Hadley and Ferrel

Question:
20. compared with the north, the SOUTH side of an UL westerly jet has a ____ troposphere and a
____ tropopause height.
Answer:
warmer, higher

Question:
21. flying south to north across a westerly jet maxi-mum, I would find the tropopause getting ____
and the stratosphere getting ____.
Answer:
lower, warmer

Question:
22. a jet stream is commonly located along the ____ edge of a cirrus cloud shield.
Answer:
polward (north in the NH)

Question:
23. The subtropical jet is located near Lat 25-30 at ____ ft in ____ (season).

, Answer:
40,000, winter

Question:
24. for a jet streak in UL westerly flow, max divergence and cloud is found to the ____ and ____ of
the wind speed max.
Answer:
NE, SW

Question:
25. the strongest turbulence in the boundary layer near the surface occurs in association with ____
wind and when the atmosphere is ____.
Answer:
strong, unstable

Question:
26. when turbulence in the boundary layer gets stronger, the depth of the turbulent layer ____.
Answer:
increases

Question:
27. LL turbulence is usually strongest in the afternoon because
Answer:
stability is lowest

Question:
28. which of these atmospheric situations would most likely have the strongest LL turbulence?
Answer:
a windy afternoon in summer

Question:
29. which topographic area would likely have the greatest LL turbulence?
Answer:
over mountains

Question:
30. near the surface, the onset of turbulence from so-lar heating tends to ____ visibility during the day
because _____.
Answer:
improve, turbulence mixes surface pollutants in the ver-tical reducing their concentra-tion

Question:
31. mechanical turbulence is strongest just ____ from obstacle(s) in the flow.
Answer:
downwind

Question:
32. the strongest wind is usually experienced on the ____ side of mountains.