CAAP AIR LAW EXAM - WEATHER (PREPWARE)

The conditions necessary for the formation of stratiform clouds are a lifting action and

• unstable, dry air.

• stable moist air

• unstable moist air

The presence of standing lenticular altocumulus clouds is a good indication of

• lenticular ice formation in calm air

• very strong turbulence

• heavy icing conditions

a situation most conducive to the formation of advection fog is

• a light breeze moving colder air over a water surface

• an air mass moving inland from the coastline during the winter

• a warm moist air mass settling over a cool surface under no wind conditions

When flying into a low pressure area in the northern hemisphere the wind direction and velocity will be from the

• left and decreasing

• left and increasing

• right and decreasing

Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?

• the start of rain

• the appearance of an anvil top

• growth rate of cloud is maximum

What minimum distance should exist between intense radar echoes before any attempt is made to fly between these thunderstorms?

• 20 miles

• 30 miles

• 40 miles

the strength and location of the jet stream is normally

• weaker and farther north in the summer

• stronger and farther north in the winter

• stronger and farther north in the summer

Which in flight hazard is most commonly associated with warm fronts?

• advection fog

• radiation fog

• precipitation induced fog

What determines the structure or type of clouds which will form as a result of air being forced to ascend??

• the method by which the air is lifted

• the stability of the air before lifting occurs

• the relative humidity of the air after lifting occurs

Which statement is true concerning the hazards of hail?

• hail damage in horizontal flight is minimal due to the vertical movement of hail in the clouds

• rain at the surface is a reliable indication of no hail aloft

• hailstones may be encountered in clean air several miles from a thunderstorm