Question Bank

1. Katabatic wind occur due to sinking of cold air down the hill slope

2. In N-Hemisphere if you experience Port drift, altimeter will read

3. Friction causes winds to flow cross isobaric by _____ over land and ____ over sea

4. In S hemisphere if an observer faces wind, low will be to his ____

5. Coriolis force is strongest at

6. Gale is

7. The wind blows anticlockwise around a low in S-hemisphere

8. On a weather map if isobars are closely packed, the surface winds are likely to be

9. Cyclostrophic wind gives a good approximation of the 2000' wind in an intense tropical storm

10. Sea breeze sets in by ______ and dies off at _____

11. Rotor clouds have extremely turbulent flying conditions

12. Lower level wind 05010 kt, upper level wind 23005 kt, what is the thermal wind

13. Gradient wind is ____ of the geostrophic wind in an anticyclone

14. In N hemisphere thermal wind is parallel to ____ with low value to left

15. Due to friction, from day to night for an isobaric pattern (in N hemisphere) the surface wind backs and weakens

16. Coriolis force acts perpendicular to the _____ of wind direction in N hemisphere

17. Fohn winds are ____ on the Leeward side of a mountain

18. A change from 270° to 250° is

19. Upper level wind is 24025 kt, lower level wind is 06015 kt, the thermal wind is?

20. Anabatic wind occur due to downward movement of air along valley

21. Katabatic wind is down slope cold wind due to nocturnal cooling

22. The wind which spirals inward counter-clockwise in the N Hemisphere are associated with

23. The wind blows anticlockwise around a low in N-hemisphere

24. Squall are distinguished from gusts by

25. Geostrophic wind is due to the balance between the forces

26. The wind sliding down a hill during night is called ______ wind

27. Sudden change in wind speed form 10kt to 30kt an then 15 kt are

28. The wind blows clockwise around a low in S-hemisphere

29. Lines of constant wind speed drawn on weather charts are called

30. In N hemisphere due to rotation of earth winds are deflected to

31. A change in wind direction from 310° to 020° is

32. The wind blows clockwise around a low in N-hemisphere

33. The inertial flow is

34. Anabatic wind occurs

35. Sudden change in wind speed from 10 kt to 30 kt for 2 -3 minutes

36. Anabatic wind is stronger than katabatic

37.

The resultant wind that blows under the influence of pressure gradient force, geostrophic force and cyclostrophic force is called

38. If an aircraft in N-hemisphere flies from H to L it will experience

39. The thermal wind is

40. Local Winds follow Buys Ballots law

41. With the onset of sea breeze there is a _____ in temperature and ____ in RH

42. A significant wind shear is generally associated with TS or line squall

43. Geostrophic rule breaks down at

44. If the S is warmer than the N, level by level, from surface up to higher levels, then the ____ wind will strengthen with height with no change in direction in N hemisphere

45. Sea breeze is stronger than land breeze