Exam (elaborations)
Met ATPL QUESTIONS AND ANSWERS CORRECT
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Exam of 14 pages for the course ATPL at ATPL (Met ATPL)
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Met ATPLWhat is the primary cause of all changes in the Earth's atmosphere?
-Variations of solar energy at the Earth's surface
-Changes in air pressure over the Earth's surface.
-Movement of ar masses from moist areas to dry areas. - answer Variations of solar
energy at the Earth's surface
What term describes an elongated area of low pressure?
-Trough.
-Ridge.
-Hurricane or typhoon. - answer Trough.
Which weather condition is defined as an anticyclone?
-Calm.
-High pressure area.
-COL. - answerHigh pressure area.
What is the feature of air movement in high pressure area?
-Ascending from the surface high to lower pressure at higher altitudes.
-Descending to the surface and then outward.
-Moving outward from the high at high altitudes and into the high at the surface. -
answerDescending to the surface and then outward.
Where is the usual location of a thermal low?
-Over the arctic region.
-Over the eye of a hurricane.
-Over the surface of a dry, sunny region. - answerOver the surface of a dry, sunny
region.
Which event usually occurs after an aircraft passes through a front into the colder air?
-Temperature/dewpoint spread decreases.
-Wind direction shifts to the left.
-Atmospheric pressure increases. - answerAtmospheric pressure increases.
Which atmospheric factor causes rapid movement of surface fronts?
-Upper winds blowing across the front.
-Upper low located directly over the surface.
-The cold front overtaking and lifting the warm front. - answerUpper winds blowing
across the front.
, What is the feature of a stationary front?
-The warm front surface moves about half the speed of the cold front surface.
-Weather conditions are a combination of strong cold front and strong warm front
weather.
-Surface winds tend to flow parallel to the frontal zone. - answerSurface winds tend to
flow parallel to the frontal zone.
In which meteorological conditions can frontal waves and low pressure areas form?
-Warm fronts or occluded fronts.
-Slow-moving cold fronts or stationary fronts.
-Cold front occlusions. - answerSlow-moving cold fronts or stationary fronts.
What type weather change is to be expected in an area where frontolysis is reported?
-The frontal weather is becoming stronger.
-The front is dissipating.
-The front is moving at a faster speed. - answerThe front is dissipating.
Which weather condition is an example of a nonfrontal instability band.
-Squall line.
-Advective fog.
-Frontogenesis. - answerSquall line.
What weather difference is found on each side of a "dry line"?
-Extreme temperature difference.
-Dewpoint difference.
-Status versus cumulus clouds. - answerDewpoint difference.
At a lower levels of the atmosphere, friction causes the wind to flow across isobars into
a low because the friction—
-Decreases windspeed and coriolis force.
-Decreases pressure gradient force.
-Creates air turbulence and raises atmospheric pressure. - answerDecreases
windspeed and coriolis force.
At which location does coriolis force have the least effect on wind direction?
-At the poles.
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