Question Bank

1. The disturbances of middle latitudes move from

2. The huge vertical circulations, one between the equator and 30N and another between equator and 30S, are called

3. The polewards moving air piles up in the subtropical regions and forms high pressure belt at the surface, called

4. The systems like highs, lows, cyclonic circulation etc are associated with distinct types of weather. A study of the behaviour of these systems, known as

5. The descending branch of the Hadley cell marked by calm winds and high pressure at the surface are called

6. The winds in the upper troposphere are westerly. These are known as

7. The occurrence of large deserts near 30N and 30S are due to large scale

8. Latitudinally, on the average there is radiation ______ in the tropics than in the polar regions

9. ______ occurs over subtropical high

10. Tropical disturbance which reach the zone of transition in the upper level flow change course and begin to move in a

11. Steady NE winds in the N hemisphere and SE winds in the S hemisphere are called

12. The tropical disturbances which form in the equatorial low pressure belt move in

13. Rising air creates calms or doldrums in the equatorial region

14. A part of the sinking air over the subtropical high flows towards the equator, turning west (in the northern hemisphere) due to the Coriolis force. This surface air is called

15. In the equatorial regions the upper tropospheric winds are