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| ANALYSIS QUIZ |
The following 20 question quiz asks multiple choice questions based on the information covered at the links of the following webpage: http://theweatherprediction.com/charts/
An answer key is provided at the bottom of this webpage.
1. This chart will have the most data available for the operational meteorologist to interpret:
a. Surface
b. 850 mb
c. 500 mb
d. 300 mb
2. All of the following charts have height contours except:
a. Surface
b. 850 mb
c. 500 mb
d. 300 mb
3. This occurs when the downstream wind speeds are faster than the upstream wind speeds:
a. Rising air
b. Sinking air
c. Convergence
d. Divergence
4. This is a region of high heights:
a. Surface high
b. Shortwave
c. Ridge
d. Trough
5. Both of the following promote rising air:
a. Low Level Cold Air Advection, Differential Positive Vorticity Advection
b. Low Level Warm Air Advection, Differential Positive Vorticity Advection
c. Low Level Cold Air Advection, Differential Negative Vorticity Advection
d. Low Level Warm Air Advection, Differential Negative Vorticity Advection
6. If the height contours are parallel to the isotherms a forecaster would expect:
a. Thermal advection to take place
b. No thermal advection to take place
7. A height contour is also known as an ___________.
a. Isodrosotherm
b. Isotach
c. Isobar
d. Isohyet
e. Isohypse
8. The strength of thermal advection is determined by the spacing of height contours, the spacing of isotherms and:
a. The temperature gradient
b. The wind speed
c. The angle the height contours and isotherms intersect
d. The spacing of isobars
9. This side of a shortwave is most likely to have uplift, clouds and precipitation:
a. Right side (downstream of shortwave axis, exit sector)
b. Left side (upstream of shortwave axis, entrance sector)
10. A region with sinking air and warming of an air mass is most likely to experience:
a. Positive Vorticity Advection
b. Ridging
c. Troughing
d. Upslope flow
11. A shortwave that has temperature advections associated with it is a _________ shortwave.
a. Barotropic
b. Baroclinic
12. As a 700 mb shortwave approaches, a forecaster would expect heights at 700 mb to:
a. Increase
b. Decrease
13. This is the type of vorticity generated from wind speeds changing over synoptic scale distances:
a. Shear
b. Curvature
c. Coriolis
14. A vort max will be located at the point where there is:
a. The greatest uplift
b. The greatest warm air advection
c. The greatest combination of positive shear and positive curvature vorticity
d. The greatest positive vorticity advection
15. When vorticity advection is occurring, the upward forcing from positive vorticity advection will occur __________ from the axis of highest vorticity.
a. Downstream
b. Upstream
16. From the answers below, a vorticity maximum is most likely to be found:
a. In the axis of a ridge
b. In tropical locations
c. Near the core of a high pressure system
d. In the axis of a shortwave
17. A weakening trough is one that is:
a. Digging
b. Deepening
c. Lifting
d. Amplifying
18. If the 300 mb winds are much stronger in the entrance sector of a trough than they are in the exit sector of a trough the trough will:
a. Dig
b. Lift
19. On the global scale, the Pressure Gradient Force points from the equator toward the pole in the middle latitudes. What force causes this wind to be deflected from that path of motion to create the typically west to east flowing jet stream aloft in the middle latitudes?:
a. Friction
b. Centripetal
c. Gravity
d. Coriolis
20. This quadrant is in the entrance sector of a jet streak and dynamic lifting is favorable:
a. Left front
b. Right front
c. Left rear
d. Right rear
KEY
1. A
2. A
3. D
4. C
5. B
6. B
7. E
8. C
9. A
10. B
11. B
12. B
13. A
14. C
15. A
16. D
17. C
18. A
19. D
20. D