Question Bank

1. Instrument used for measuring visibility is called

2. For formation of Radiation fog

3. Advection fog forms

4. RVR is reported when visibility falls below

5. Radiation fog occurs

6. Warm and moist air moving over a cold surface causes

7. Radiation Fog forms over N India during

8. Frontal Fog is more common with a

9. The radiation fog forms due to

10. The _____ fog forms due to horizontal movement of warm moist air over cold surface

11. Fog is ______ cloud on ground

12. The radiation fog forms over

13. Advection fog forms during

14. Instrument used for measuring visibility is called

15. The favourable pressure system for formation of fog is

16. Fog is reported when visibility is reduced to

17. Frontal Fog is more common with a

18. When visibility reduces between 5000m and 1000m and RH is almost 100%, it is

19. Frontal Fog is more common with a

20. Warm and moist air moving over a cold ground gives rise to

21. Advection fog forms during

22. Thermal processes/temperature distribution which favours formation of fog is

23. For formation of Radiation fog

24. The radiation fog activity increases after the passage of a

25. Radiation fog is essentially a ______ phenomena

26. Advection fog forms

27. The _____ fog forms due to horizontal movement of warm moist air over cold surface

28. Fog is ______ cloud on ground

29. The radiation fog forms over