Aviation Weather & Meteorology 3

Question 1

What is a cold front?

Accepted Answer

The leading edge of a cold air mass replacing a warmer air mass

Answer

The boundary where cold air retreats and warm air advances

Answer

An area of high pressure moving south

Answer

A layer of cold air above 18,000 ft

Question 2

Mountain wave turbulence is most likely to occur on which side of a mountain range?

Accepted Answer

Leeward side (downwind)

Answer

Windward side (upwind)

Answer

Summit only

Answer

Both sides equally

Question 3

What does the symbol 'FG' mean in an aviation weather report?

Accepted Answer

Fog

Answer

Freezing Gusts

Answer

Funnel Cloud Generating

Answer

Fragmented Clouds

Question 4

What is the approximate freezing level if surface temperature is 25°C and standard lapse rate applies?

Accepted Answer

12,500 ft MSL

Answer

5,000 ft MSL

Answer

15,000 ft MSL

Answer

8,000 ft MSL

Question 5

Which AIRMET type (AIRMET Sierra) is issued for which condition?

Accepted Answer

IFR conditions and mountain obscuration

Answer

Turbulence and strong surface winds

Answer

Icing and freezing precipitation

Answer

Thunderstorms and convective activity

Question 6

What weather phenomenon is indicated when you observe lenticular clouds over a mountain range?

Accepted Answer

Mountain wave activity with possible severe turbulence

Answer

Thunderstorm development

Answer

Radiation fog formation

Answer

High-pressure stability