global atmospheric circulation

Question 1

What is weather?

Answer 1

The day to day condition of the atmosphere

Question 2

What is climate?

Answer 2

The long term average of weather conditions

Question 3

What does the general atmospheric circulation model represent?

Answer 3

Shows how wind and air moves around the world. Air circulates in each hemisphere in three cells.

Question 4

How does the sun affect the wind directions?

Answer 4

The winds are caused by the sun warming air more intensely at the equator and this warm air moves North and South to the Poles.

Question 5

Name the cells.

Answer 5

Hadley, Ferrell and Polar

Question 6

What do you get in high pressure zones?

Answer 6

Where you get clear skies and temperatures may be warm or cold. Winds move outwards from high pressure areas.

Question 7

What do you get in low pressure zones?

Answer 7

Lots of cloud because the warm air rises, cools and condenses. Air rises at the equator and winds blow from high pressure to low pressure areas.

Question 8

What is the weather in UK?

Answer 8

Cloudy and wet: deciduous forest.
Winds from South West bring warm and wet conditions
Winds from North bring snow and cold winter weather.

Question 9

What is the weather in Northern Egypt?

Answer 9

Hot and dry: desert
Air is sinking and at high pressure.
Few clouds and little rainfall

Question 10

What is the weather in Northern Brazil?

Answer 10

Hot and humid: tropical rainforest.. Hot air rises and cools and condenses into cloud and rain: it is cloudy and rainy.