Question Bank

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

2. The radiation fog forms due to

3. Frontal Fog is more common with a

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

5. The radiation fog forms over

6. Advection fog forms

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

8. For formation of Radiation fog

9. Instrument used for measuring visibility is called

10. The favourable pressure system for formation of fog is

11. The radiation fog forms over

12. Fog is ______ cloud on ground

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

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

15. For formation of Radiation fog

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

17. RVR is reported when visibility falls below

18. Instrument used for measuring visibility is called

19. Fog is ______ cloud on ground

20. Advection fog forms during

21. Frontal Fog is more common with a

22. Advection fog forms during

23. Radiation fog occurs

24. Frontal Fog is more common with a

25. Radiation fog is essentially a ______ phenomena

26. Radiation Fog forms over N India during

27. Fog is reported when visibility is reduced to

28. Advection fog forms

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