Global Climatology: DGCA Aviation Meteorology questions

Question 1

The tropical transitional climatic zone is:

Accepted Answer

approximately 10° - 20° of latitude and provides dry trade wind conditions in winter and a wet summer season

Answer

approximately 20° - 30° of latitude and provides very dry desert conditions throughout the year

Answer

approximately 10° - 20° of latitude and provides a wet winter season and a dry hot summer

Answer

approximately 10° - 30° of latitude and has a period of long rains in spring and autumn, but is never dry

Question 2

The temperate transitional climatic zone is:

Accepted Answer

approximately 35° - 40° of latitude and provides a warm dry summer with a cool wet winter

Answer

approximately 20° - 35° of latitude and covers the high pressure desert regions of the world

Answer

approximately 35° - 40° of latitude and is under the influence of polar front depressions throughout the year

Answer

approximately 35° - 40° of latitude and provides a wet summer season and a dry cold winter

Question 3

Northern Hemisphere summers tend to be:

Accepted Answer

warmer than the Southern Hemisphere and the winters are colder

Answer

warmer than the Southern Hemisphere and winters are warmer too

Answer

colder than the Southern Hemisphere due to the smaller amount of solar radiation

Answer

colder than the Southern Hemisphere because of the large land masses

Question 4

The effect of mountain barriers on temperature is exemplified by the following:

Accepted Answer

the Rocky mountains of North America prevent cold Pacific air reaching inland, so summer temperatures to the east of the mountains are high

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European temperatures are low in winter because there is no barrier to prevent cold Atlantic air crossing the area

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the Himalayas prevent warm dry air from Russia reaching India and Pakistan

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the Ural mountains of West Russia prevent most of the cold Siberian air reaching Europe in summer

Question 5

The tropopause is:

Accepted Answer

normally the upper limit of weather

Answer

more or less constant for any latitude

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is a boundary layer between the troposphere and the stratosphere

Answer

the upper limit for jet streams and mountain waves

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