Chapter 7 Quiz

1. Which type of front typically produces the fastest rise of air?
  Cold 
  Stationary 
  Dark 
  Warm 
  Occluded 
 

2   This map shows air streams converging and diverging along a north-south axis in the tropical Atlantic Ocean. 

This feature is a weather disturbance called a(n) ________.
  anticyclone 
  midlatitude cyclone 
  easterly wave 
  tropical cyclone 
  thunderstorm 
 

3;  When neither air mass displaces the adjacent one, their boundary is called a(n) ________ front.
  occluded 
  cold 
  stationary 
  warm 
  dry 
 

4. Tornado patterns have changed in which one of the following ways?
  The western United States now has almost all tornadoes. 
  Tornado outbreaks are becoming more common. 
  Tornadoes are becoming less predictable. 
  Many more people are now being killed. 
  Tornadoes are being caused by cooling Earth surface temperatures. 
 

5   Thunderstorms are violent ________ storms accompanied by thunder and lightning.
  adiabatic 
  jet stream 
  convective 
  occluded 
  stationary 
 

6. Calm, fair weather is most likely to result from a(n) ________.
  midlatitude anticyclone 
  tornado 
  chinook 
  midlatitude cyclone 
  tropical cyclone 
 

7. This figure shows an air mass moving in a directional arrow from northern Canada to Mexico. 

What air mass source and movement does this figure show?
  cT 
  A 
  mP 
  E 
  cP 
 

8. A midlatitude anticyclone ________.
  has a front in its center 
  is associated with sunny, dry weather 
  is more than one air mass 
  is associated with fast winds 
  exhibits instability 
 

9.  The beginning of a middle latitude cyclone is known as ________.
  a westerly wave 
  cyclogenesis 
  the mature stage 
  the dissipating stage 
  an occlusion 
 

10.  _______ is a distinguishing feature of thunderstorms.
  Scant vertical development 
  Ground fog 
  Clouds of horizontal development 
  An anvil top 
  A cirrus cloud base 
 

11. The warmest air can be found in the ________ air mass.
  mT 
  mP 
  cP 
  E 
  cT 
 
12. The eye of the hurricane is a zone characterized by ________.
  a radius of approximately 1,000 kilometers 
  the most severe winds in the storms 
  sinking air 
  tremendous amounts of precipitation 
  many tornadoes 
 

13. Tornadoes, although erratic in their pathways, are always characterized by ________ pressure.
  low 
  devaporized 
  adiabatic 
  high 
  constantly variable 
 

14. Which of the following masses rarely affects North America?
  Maritime tropical 
  Arctic 
  Equatorial 
  Continental polar 
  Continental tropical 
 
15. On the average, ________ fronts move the fastest of all fronts.
  warm 
  stationary 
  occluded 
  cold 
  hot 
 

16. This map shows the world distribution of general tropical cyclone tracks and the origin points of tropical cyclones.

Why don’t tropical cyclones originate in the South Atlantic Ocean?
  Water temperatures are too cold 
  Weak subtropical high pressure 
  No jet stream 
  No fast ocean currents 
  No trade winds 
 

17.  Hurricanes are usually fueled by energy from ________.
  frontal boundaries 
  warm water 
  the jet stream 
  fast surface winds 
  midlatitude cyclones 
 

18. Which of the following areas is where the most severe thunderstorm watches are issued?
  Central United States 
  Southern Canada 
  Rocky Mountain States 
  California 
  Florida 
 

19.  Which of the following statements does not correctly describe the U.S. distribution of midlatitude cyclones?
  More occur in the summer than in the winter. 
  They commonly form along the central Atlantic coast. 
  Most of them exit the country through the Northeast. 
  They form underneath areas of divergence. 
  They commonly form downwind of the Rocky Mountains. 
 

20.  Midlatitude cyclones and anticyclones function as migratory features in the ________.
  easterlies 
  ionosphere 
  westerlies 
  ITC 
  stratosphere 
 

21. A(n) ________ is the name for a tornado that does not reach the ground.
  funnel cloud 
  stratus cloud 
  mesocyclone 
  anticyclone 
  “EF-0”
 

22. Fronts are located ________.
  with respect to motion, to the rear of air masses 
  underneath air masses 
  at the edges of air masses 
  in the middle of air masses 
  near air masses 
 

23. Which type of front causes many hours of steady rain before that front passes a location?
  Tropical 
  Stationary 
  Warm 
  Cold 
  Dry line 
 
24. North America’s greatest hurricane loss of life took place in ________.
  Savannah, Georgia 
  Miami, Florida 
  New Orleans, Louisiana 
  Los Angeles, California 
  Galveston, Texas 
 

26. The Enhanced Fujita Scale ranges from EF ________ to EF ________.
  1, 10 
  0, 10 
  0, 5 
  1, 100 
  -10, 10