Atmospheric Circulation and Weather Systems Geography - Atmospheric Circulation and Weather Systems

Multiple choice question.
The Inter Tropical Convergence Zone normally occurs:

1. Near the Equator.
2. Near the Tropic of Cancer.
3. Near the Tropic of Capricorn.
4. Near the Arctic Circle.

Multiple choice question.
If the surface air pressure is 1,000mb, the air pressure at 1km above the surface will be:

1. 700mb
2. 1,100mb
3. 900mb
4. 1,300mb

Multiple choice question.
The direction of wind around a low pressure in northern hemisphere is:

1. Clockwise.
2. Perpendicular to isobars.
3. Anti-clock wise.
4. Parallel to isobars.

Multiple choice question.
Which one of the following is the source region for the formation of air masses?

1. The Equatorial forest.
2. The Himalayas.
3. The Siberian Plain.
4. The Deccan Plateau.

Answer the following question in about 30 words.
What is the unit used in measuring pressure? Why is the pressure measured at station level reduced to the sea level in preparation of weather maps?

Answer the following question in about 30 words.
What are the geotrophic winds?

Answer the following questions in about 30 words.
While the pressure gradient force is from north to south, i.e. from the subtropical high pressure to the equator in the northern hemisphere, why are the winds north easterlies in the tropics.

Answer the following question in about 150 words.
Discuss the factors affecting the speed and direction of wind.

Answer the following question in about 30 words.
Explain the land and sea breezes.

Answer the following question in about 150 words.
Why does tropical cyclone originate over the seas? In which part of the tropical cyclone do torrential rains and high velocity winds blow and why?

Answer the following question in about 150 words.
Draw a simplified diagram to show the general circulation of the atmosphere over the globe. What are the possible reasons for the formation of subtropical high pressure over 30°N and S latitudes?