Question Bank

1. Sea breeze is stronger than land breeze

2.

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

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

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

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

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

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

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

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

10. Squall are distinguished from gusts by

11. Gale is

12. Coriolis force is strongest at

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

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

15. Anabatic wind is stronger than katabatic

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

17. The thermal wind is

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

19. Local Winds follow Buys Ballots law

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

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

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

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

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

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

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

27. Anabatic wind occurs

28. Rotor clouds have extremely turbulent flying conditions

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

30. 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

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

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

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

34. Geostrophic rule breaks down at

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

36. The inertial flow is

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

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

39. A change from 270° to 250° is

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

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

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

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

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

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