Question Bank

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

2. The Arctic Jet core is at

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

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

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

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

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

8. The core of a jet stream is located

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

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

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

12. Where are easterly and westerly jets found?

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

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

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

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

17. Contours on a weather chart indicate

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

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

20. 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?

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

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

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