atpl/oxford/met/ch1 Flashcards
What is the approximate height of the tropopause at 50°N?
11 km
How does the level of the tropopause vary with latitude in the Northern Hemisphere?
Decreases South - North
What is the tropopause?
The boundary between the troposphere and stratosphere
Where do you find the majority of the air within the atmosphere?
Troposphere
Where is the 300 hPa level approx. in ISA?
30,000ft
Where is the ozone layer?
Stratosphere
What is the temperature decrease with height below 11km?
0.65°C - 100m
What is the min. temperature according to ISA?
-56.5°C
What is the approximate height of the 250 hPa level?
34,000ft
What height is the tropopause and at what temperature?
At the equator 18km and -76°C
Which of the following constituents in the atmosphere has the greatest effect on the weather?
Water Vapour
What is the height and temperature of Tropopause?
16km and -75°C at Equator
What is the average height of the Tropopause at the equator?
16km
The Tropopause is lower:
at the North Pole than at the Equator
What statement is true regarding the tropopause?
It is lower over the poles with a higher temperature.