Question Bank

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

2. A change from 270° to 250° is

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

4.

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

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

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

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

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

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

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

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

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

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

14. Squall are distinguished from gusts by

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

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

17. 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

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

19. The thermal wind is

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

21. Geostrophic rule breaks down at

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

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

24. Local Winds follow Buys Ballots law

25. The inertial flow is

26. Sea breeze is stronger than land breeze

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

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

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

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

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

32. Coriolis force is strongest at

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

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

35. Anabatic wind occurs

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

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

38. Gale is

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

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

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

42. Rotor clouds have extremely turbulent flying conditions

43. Anabatic wind is stronger than katabatic

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

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