Cloud patterns in visible and infrared satellite images can be very helpful in identifying vorticity maxima in regions where clouds are present. In cloud-free areas, a type of infrared image called a(n) ____ image measures wavelengths of radiation emitted by water vapor. The swirling patterns of moisture clearly identify the position of vorticity centers.
a. infrared
b. gas
c. cloud
d. water vapor
e. Doppler
Q. 2Divergence (or convergence) is a difficult task to measure with any degree of accuracy using upper-level wind information. Therefore, meteorologists must look for something else that can be measured and, at the same time, can be related to regions of diverging (and converging) air. That something is called
a. curvature.
b. baroclinicity.
c. cold advection.
d. warm advection.
e. vorticity.
Q. 3Divergence and convergence of air are due to changes in
a. cloud pattern.
b. solar radiation.
c. radiational cooling.
d. precipitation type.
e. wind speed or wind direction.
Q. 4What type of clouds indicate that a storm is still developing and intensifying?
a. cumulus
b. stratus
c. period
d. semicolon
e. comma
Q. 5Since the Northern Hemispheres polar jet stream is strongest and moves farther south in ____, we can see why mid-latitude cyclonic storms are better developed and move more quickly during the ____ months.
a. spring; wetter
b. summer; warmer
c. fall; windier
d. winter; colder
e. spring and fall; wet and windy
Q. 6In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be
a. horizontally stacked.
b. vertically unstable.
c. vertically stacked.
d. horizontally unstable.
e. vertically cut off.
Q. 7The development of a mid-latitude cyclone, according to the Norwegian model, begins along the
a. conveyor belt.
b. wave cyclone.
c. cyclone.
d. incipient cyclone.
e. anticyclone.
Q. 8Vorticity refers to the
a. rising and sinking of air along weather fronts.
b. formation of clouds.
c. spin of air parcels.
d. changing of the seasons.
e. development of a wave cyclone.
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