54. More Weather Theory Flashcards
The variations of solar radiation on the Earth’s surface create:
Changes in weather.
Seasonal variations of solar radiation primarily occur because the axis of the Earth is tilted. During June through August the Sun is:
Higher in the sky in the northern hemisphere.
The presence of cumulus clouds indicate:
Unstable air with clearer visibility.
Stratus clouds that are producing precipitation are called:
Nimbostratus.
Which type of clouds should you always avoid?
Cumulonimbus clouds.
Humid air at the surface, especially in summer, can cause:
Instability and the formation of afternoon thunderstorms.
If the temperature is constant or increases as altitude increases the air is:
Stable.
Wind shear can be defined as:
A change in wind direction or wind speed.
Winds behind a cold front are usually from the:
West or Northwest.
Frost on the wing of an airplane:
Should always be removed before flying.