Question Bank

1. Where are easterly and westerly jets found?

2. How do you recognise high level jet streams and associated CAT?

3. What is the ratio of height to width in a typical jet stream?

4. Flying 2500 ft below core of jet, with temperature increasing in the Southern Hemisphere, where does the wind come from?

5. What type of jet stream blows constantly through the northern hemisphere?

6. The Arctic Jet core is at

7. When and where does an Easterly jet stream occur?

8. When flying from south to north in the Southern Hemisphere, you cross over the Polar Front Jet. What happens to the temperature?

9. What is most different about the Equatorial Easterly jet stream?

10. On a particular day the PFJ runs north to south in the Northern Hemisphere

11. If an Isohypse on a surface pressure chart of 500hPa shows a figure of 522, this indicates

12. The core of a jet stream is located

13. FL180, Northern Hemisphere with a wind from the left, what can you say about temperature with a heading of 360°?

14. From the pre-flight briefing you know a jet stream is at 31,000 ft whilst you are at FL270. You experience moderate C.A.T. What would be the best course of action?

15. With a polar front jet stream (PFJ), the area with the highest probability of turbulence in the Southern Hemisphere is

16. The polar front jet stream in summer compared to winter in the Northern Hemisphere moves

17. If you fly at right angles to a jet stream in Europe with a decreasing outside air temperature, you will experience

18. When heading South in the Southern Hemisphere you experience Starboard drift

19. Contours on a weather chart indicate

20. In central Europe, where are the greatest wind speeds?

21. Under which of the following circumstances is the most severe CAT likely to be experienced?

22. A jet stream with a wind speed of 350kts is

23. Wind at altitude is usually given as .......... in ..........