COMPLETE
If the flow of air into a surface low pressure area is greater than the
divergence of air aloft, the surface pressure in the center of the low
will ____.
increase
Developing low pressure areas in mid-latitude cyclones generally
have converging air near the surface and diverging air aloft.
True
In reviewing the historical data showing the atmospheric
shortwaves, a researcher found that they usually move ____
longwaves, and ____ when they move through a longwave ridge.
faster than; weaken
The polar front is a semicontinuous global boundary separating the
cold polar air from the warm subtropical air.
True
In a mid-latitude cyclone, the warm sector is located ____.
between the cold and warm fronts
When an upper-level low lies directly above a surface low, ____.
the surface low will probably weaken
In polar front theory, the region of warm air between the cold and
warm fronts is known as the warm sector. Here, the weather tends
to be partly cloudy.
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, WX 201 EXAM 2 LATEST
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True
The polar front theory of a developing wave cyclone was developed
shortly after ____.
World War I
A lee-side low forms ____.
on the downwind side of a mountain
In the evaluation of the dynamic processes in vorticity, air moving
northeastward will bend ____ to compensate for the ____ in Earth's
vorticity, assuming conservation of energy.
anticyclonically; increase
During the development of a mid-latitude cyclone, the warm
conveyer belt rises along the warm front.
True
Vorticity refers to the ____.
spin of air parcels
Strong storms that develop over water, poleward of the polar front,
are called ____.
polar lows
The name ____ is given to a large cyclonic storm system that forms
in the middle latitudes.
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middle latitude cyclone
In a mid-latitude cyclone, an upper-level pool of cold air that has
broken away from the main flow is called a ____.
cut-off low
Aloft waves are a fundamental feature of an unevenly heated,
rotating sphere, such as Earth.
True
When a deep upper-level trough is located to the east of a surface
anticyclone, the surface anticyclone will tend to move towards the
____.
southeast
Winds at 500-mb level tend to steer surface systems in the same
direction that the winds are moving.
True
When mapping the movement of waves over time, one finds that
atmospheric shortwaves usually move ____ at a speed that is ____
than longwaves.
west to east; faster
When the wavelength of an upper-level wave is on the order of
many thousands of kilometers, you will label the wave on a map as a
longwave.
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True
The piling up of air above a region is called ____.
convergence
In the conveyor belt model, directly below a warm conveyor belt, a
cold airstream, known as the cold conveyor belt, is located.
True
Cyclogenesis can occur in regions without a large horizontal
temperature gradient.
True
According to the model of the life cycle of a wave cyclone, the storm
system is normally most intense ____.
when the system first becomes occluded
Northeasters (or nor'easters) are mid-latitude storms commonly
found along ____.
the Atlantic coast of North America
As westerly winds blow over a north-south oriented mountain
range, the airflow is deflected in such a way that a trough forms on
____ side of the mountain.
the downwind
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