WX 201 Exam 3 HW #1 & 2 Questions and Answers
Upper-level winds in the middle latitudes of both hemispheres generally blow from ____.
The west
The pressure gradient force is directed from higher pressure toward lower pressure
at all places on Earth.
The Coriolis force acts at a ____ de...
WX 201 Exam 3 HW #1 & 2 Questions and
Answers
Upper-level winds in the middle latitudes of both hemispheres generally blow from ____.
The west
The pressure gradient force is directed from higher pressure toward lower pressure
at all places on Earth.
The Coriolis force acts at a ____ degree angle to the wind.
90
On a 500 millibar chart, ____ are drawn to represent horizontal changes in altitude which correspond
to horizontal changes in pressure.
Contour Lines
The surface pressures at the bases of warm and cold columns of air are equal. Air pressure in the
warm column of air will ____ with increasing height ____ in the cold column.
decrease: more slowly than
Zonal flow wind-flow patterns are associated with
West-to-east-flows
To correctly monitor horizontal changes in air pressure, the most important correction for a mercury
barometer is the correction for
altitude
A geostrophic wind is a wind that results from a balance between the ____ force and the ____ force.
Coriolis; pressure gradient
There is always a strong pressure gradient force directed _________.
upward
If, at your home in the Northern Hemisphere, the surface wind is blowing from the northwest, the
region of lowest pressure will be to the ____ of your home.
east
The amount of pressure change that occurs over a given horizontal distance is called the
pressure gradient
Surface winds blow across the isobars at an angle due to the ____ force and the Coriolis force.
frictional
On an upper-level chart the wind tends to blow
parallel to the isobars or contours
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