WX 201 Exam 3 w- HW 16 and 17 Questions and Answers
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Course
ERAU WX-201
Institution
ERAU WX-201
WX 201 Exam 3 w- HW 16 and 17 Questions and Answers
Due to Hadley cell formation and the Coriolis force in both hemispheres, winds aloft flow
a. easterly
b. southerly
c. westerly
d. randomly
e. northerly
C
Which air mass woudl show the most dramatic change in both temperature and mois...
WX 201 Exam 3 w- HW 16 and 17 Questions
and Answers
Due to Hadley cell formation and the Coriolis force in both hemispheres, winds aloft flow
a. easterly
b. southerly
c. westerly
d. randomly
e. northerly
C
Which air mass woudl show the most dramatic change in both temperature and moisture content as
it moves over a large body of very warm water?
a. mA in winter
b. mP in winter
c. cP in winter
d. cT in summer
e. mT in summer
C
If you are standing directly south of a smoke stack and the wind from the stack is blowing over your
head, what would be the wind direction?
a. northeast
b. west
c. south
d. north
e. east
D
For a surface storm system to intensify, the upper-level low (or trough) should be located to the
______ of the surface low
a. either north or south
b. south only
c. north only
d. east
e. west
E
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
a. decrease; at the same rate as
b. increase; more rapidly than
c. decrease; more slowly
d. increase; more slowly than
e. increase; at the same rate
C
,The land/ sea breeze, lake breeze, and mountain/ valley breeze are examples of
a. thermal circulations
b. frictional processes
c. mechanical circulations
d. atmospheric longwave circulations
e. thermal turbulences
A
Which name is given to a large cyclonic storm system that forms in the middle latitudes?
a. thunderstorm
b. middle latitude cyclone
c. anticyclone
d. taifoon
e. tornado
B
An air mass is characterized by similar properties of _____ and ______ in any horizontal direction
a. temperature; humidity
b. pressure; humidity
c. temperature; pressure
d. pressure; winds
e. winds; humidity
A
Vorticity refers to the
a. formation of clouds
b. development of a wave cyclone
c. rising and sinking of air along weather fronts
d. spin of air parcels
e. changing of the seasons
D
Clouds and precipitations are frequently found on the downwind side of a large lake. This would
indicate that the air on the downwind side is
a. diverging and sinking
b. diverging and rising
c. converging and sinking
d. stable and rising
e. converging and rising
E
The piling up of air above a region is called
a. cyclogenesis
b. convergence
c. divergence
d. zonal front
, e. thickening
B
On an isobaric surface
a. cloud coverage is constant
b. pressure is constant
c. precipitation is constant
d. altitude is constant
e. temperature is constant
B
According to ht ethree-cell general circulation model, at the equator we would not expect to find
a. thunderstorms
b. heavy showers
c. a ridge of high pressure
d. light winds
e. the ITCZ
C
What is a serious hazard to aricraft?
a. laminar flow
b. longwaves in the westerlies
c. therma lows
d. clear-air turbulence
e. molecular viscosity
D
Atmospheric shortwaves usually move _____ at a speed that is ______ than longwaves
a. west to east; faster
b. west to east; slower
c. east to west; faster
d. south to north; slower
e. north to south; slower
A
The amount of pressure change that occurs over a given horizontal distance is called the
a. potential gradient
b. slope
c. pressure tendency
d. Coriolis parameter
e. pressure gradient
E
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
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