LINKS       CHAPTER 10 AIR MASSES, FRONTS, CYCLONES, AND ANTICYCLONES

Books                             [~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~]
Class Meetings
Course            1. Which one of the following air mass types exerts the
Description       highest surface pressure?
Course Schedule   maritime tropical
Grading           Pacific
Learning          continental polar
Objectives        arctic
Photographs
Practice          2. An air mass modifies
Questions         via radiational cooling.
Special Notice    by exchanging heat and/or moisture with the surface over
Student           which it travels.
Responsibilities  through large-scale ascent or descent.
                  Any of the above is correct.
Access to Online
Daily Weather     3. Continental polar air modifies more rapidly when it
Summary and       travels over
Learning          snow-covered ground.
Activities        ground that is bare of snow.

National Weather
Service - Green
Bay               4. When winds aloft blow parallel to a front, then the
                  front is usually
       Home       a cold front.
                  a warm front.
                  an occluded front.
                  stationary.

                  5. When the westerly wave pattern is predominantly zonal,
                  _______ air floods the eastern two-thirds of the United
                  States.
                  arctic
                  maritime tropical
                  Pacific
                  continental tropical

                  6. As a warm front approaches, clouds usually appear in
                  the following sequence:
                  stratus, altostratus, cumulus
                  nimbostratus, cirrus, cirrocumulus
                  cirrus, cirrostratus, altostratus
                  cirrus, cumulus, stratus

                  7. The cloud shield of a warm front typically is _______
                  that of a cold front.
                  broader than
                  narrower than
                  about the same width as

                  8. The coldest sector of a mature midlatitude cyclone is
                  locat-ed to the _______ of the cyclone center.
                  southeast
                  northeast
                  northwest
                  southwest

                  9. Surface winds in the northwest sector of a mature
                  midlati-tude cyclone blow from the
                  southeast.
                  northwest.
                  east.
                  northeast.

                  10. Type of air mass that occurs to the northwest of the
                  center of a mature midlatitude cyclone:
                  continental polar or arctic
                  maritime tropical
                  continental tropical
                  maritime polar

                  11. Cyclones that follow the _______ track bring the
                  heaviest winter snows to the upper midwest.
                  Colorado
                  Alberta
                  East Gulf
                  North Pacific

                  12. The usual weather just ahead of a warm front is
                  thunderstorms.
                  clear skies.
                  fog and drizzle.
                  similar to the weather just ahead of a cold front.

                  13. Colorado-track cyclones are most common in
                  summer.
                  autumn.
                  winter.
                  spring.

                  14. Alberta-track cyclones
                  occur primarily in summer.
                  usually produce heavy precipitation.
                  may occur at any time of year.
                  often affect the weather of the American Southwest.

                  15. A warm-core cyclone
                  has no fronts.
                  is associated with fair weather.
                  is most likely in summer.
                  All of the above are correct.

                  16. A(n) _______ is the product of extreme radiational
                  cooling.
                  thermal low
                  cold-core cyclone
                  arctic high
                  warm-core anticyclone

                  17. Sea and land breezes are examples of _______ scale
                  atmo-spheric circulation systems.
                  planetary
                  synoptic-
                  meso-
                  micro-

                  18. A force that is usually negligibly small in sea
                  breezes:
                  friction
                  pressure gradient
                  Coriolis effect
                  None of these is correct.

                  19. Dust devils
                  are tornadoes that form over deserts.
                  are linked to cumulonimbus clouds.
                  often cause major property damage.
                  originate over hot and dry surfaces.

                  20. Mountain and valley breezes are most likely to
                  develop
                  during fair weather.
                  in summer.
                  when synoptic-scale winds are light.
                  All of the above are correct.



                  Score =
                  Correct answers:




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                     Last Updated on December 11, 1998