Question 1

As a middle latitude cyclone goes through its life cycle, the warm sector ________.

Accepted Answer

A)  gets larger 
B)  gets smaller 
C)  travels from east to west 
D)  subsides 
E)  becomes warmer 
A)  gets larger 
B)  gets smaller 
C)  travels from east to west 
D)  subsides 
E)  becomes warmer

Question 2

Tornadoes contain extreme pressure gradients. They are thought to be on the order of ________ millibars from the outside to the inside of the storm.

Accepted Answer

A)  10 
B)  100 
C)  1,000 
D)  10,000 
E)  100,000 
A)  10 
B)  100 
C)  1,000 
D)  10,000 
E)  100,000

Question 3

Which of the following is NOT NECESSARILY a property of an air mass?

Accepted Answer

A)  It must be large. 
B)  It must have relatively uniform properties within itself. 
C)  It must have a warm front at its leading edge. 
D)  It must travel as a recognizable entity. 
E)  It must modify as it leaves its source region. 
A)  It must be large. 
B)  It must have relatively uniform properties within itself. 
C)  It must have a warm front at its leading edge. 
D)  It must travel as a recognizable entity. 
E)  It must modify as it leaves its source region.

Question 4

Which of the following rarely affects North America?

Accepted Answer

A)  continental tropical 
B)  maritime tropical 
C)  Arctic 
D)  continental polar 
E)  equatorial 
A)  continental tropical 
B)  maritime tropical 
C)  Arctic 
D)  continental polar 
E)  equatorial

Question 5

Hurricane formation is rare within ________ degrees of the Equator.

Accepted Answer

A)  10 
B)  25 
C)  50 
D)  75 
E)  180 
A)  10 
B)  25 
C)  50 
D)  75 
E)  180

Question 6

Air masses labeled "polar" tend to be unstable.

Accepted Answer

A) True 
 B)False

Question 7

In hurricanes, surface winds converge towards the center while winds aloft diverge away from the center.

Accepted Answer

A) True 
 B)False

Question 8

Maritime Tropical air is a common air mass affecting the eastern United States.

Accepted Answer

A) True 
 B)False

Question 9

Katrina was the ________ hurricane ever to hit the United States.

Accepted Answer

A)  strongest 
B)  least well forecasted 
C)  largest diameter 
D)  most costly 
E)  most deadly 
A)  strongest 
B)  least well forecasted 
C)  largest diameter 
D)  most costly 
E)  most deadly

Question 10

Easterly waves occasionally intensify into hurricanes.

Accepted Answer

A) True 
 B)False

Question 11

The boundary between warm air and cold air is much steeper in a warm front than in a cold front.

Accepted Answer

A) True 
 B)False

Question 12

The slope of a warm front averages 1:200.

Accepted Answer

A) True 
 B)False

Question 13

The month most likely for a hurricane to occur in the Northern Hemisphere is ________.

Accepted Answer

A)  June 
B)  January 
C)  April 
D)  September 
E)  December 
A)  June 
B)  January 
C)  April 
D)  September 
E)  December

Question 14

The Enhanced Fujita Scale was adopted in 2007. It is based on estimates of 3-second gusts of wind as estimated by ________.

Accepted Answer

A)  anemometers 
B)  tornado damage 
C)  Doppler radar 
D)  human survivors 
E)  weather balloons 
A)  anemometers 
B)  tornado damage 
C)  Doppler radar 
D)  human survivors 
E)  weather balloons

Question 15

The warmest air can be found in the ________ air mass.

Accepted Answer

A)  cP 
B)  mP 
C)  mT 
D)  cT 
E)  E 
A)  cP 
B)  mP 
C)  mT 
D)  cT 
E)  E

Question 16

Which of the following air masses can be identified as being "very stable"?

Accepted Answer

A)  Arctic 
B)  Equatorial 
C)  Maritime tropical 
D)  Maritime polar 
E)  Rocky Mountain 
A)  Arctic 
B)  Equatorial 
C)  Maritime tropical 
D)  Maritime polar 
E)  Rocky Mountain

Question 17

A midlatitude anticyclone ________.

Accepted Answer

A)  is more than one air mass 
B)  exhibits instability 
C)  has a front in its center 
D)  is associated with fast winds 
E)  is associated with sunny, dry weather 
A)  is more than one air mass 
B)  exhibits instability 
C)  has a front in its center 
D)  is associated with fast winds 
E)  is associated with sunny, dry weather

Question 18

More than 80% of hurricanes originate on the poleward side of the ________.

Accepted Answer

A)  polar front 
B)  intertropical convergence zone 
C)  surface westerlies 
D)  Rossby waves 
E)  subtropical highs 
A)  polar front 
B)  intertropical convergence zone 
C)  surface westerlies 
D)  Rossby waves 
E)  subtropical highs

Question 19

Almost any area in the high or low latitudes can act as an air mass source region.

Accepted Answer

A) True 
 B)False

Question 20

It can be said that along all the fronts in a middle latitude cyclone, ________.

Accepted Answer

A)  cold air sinks 
B)  air rises 
C)  precipitation is unlikely 
D)  the pressure is high 
E)  heavy rain occurs 
A)  cold air sinks 
B)  air rises 
C)  precipitation is unlikely 
D)  the pressure is high 
E)  heavy rain occurs

As a middle latitude cyclone goes through its life cycle, the warm sector ________.

Tornadoes contain extreme pressure gradients. They are thought to be on the order of ________ millibars from the outside to the inside of the storm.

Which of the following is NOT NECESSARILY a property of an air mass?

Which of the following rarely affects North America?

Hurricane formation is rare within ________ degrees of the Equator.

Air masses labeled "polar" tend to be unstable.

In hurricanes, surface winds converge towards the center while winds aloft diverge away from the center.

Maritime Tropical air is a common air mass affecting the eastern United States.

Katrina was the ________ hurricane ever to hit the United States.

Easterly waves occasionally intensify into hurricanes.

The boundary between warm air and cold air is much steeper in a warm front than in a cold front.

The slope of a warm front averages 1:200.

The month most likely for a hurricane to occur in the Northern Hemisphere is ________.

The Enhanced Fujita Scale was adopted in 2007. It is based on estimates of 3-second gusts of wind as estimated by ________.

The warmest air can be found in the ________ air mass.

Which of the following air masses can be identified as being "very stable"?

A midlatitude anticyclone ________.

More than 80% of hurricanes originate on the poleward side of the ________.

Almost any area in the high or low latitudes can act as an air mass source region.

It can be said that along all the fronts in a middle latitude cyclone, ________.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Preliminaries to Weathering: Mass Wasting and Erosion

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters

Exam 7: Atmospheric Disturbances

As a middle latitude cyclone goes through its life cycle, the warm sector ________.

Tornadoes contain extreme pressure gradients. They are thought to be on the order of ________ millibars from the outside to the inside of the storm.

Which of the following is NOT NECESSARILY a property of an air mass?

Which of the following rarely affects North America?

Hurricane formation is rare within ________ degrees of the Equator.

Air masses labeled "polar" tend to be unstable.

In hurricanes, surface winds converge towards the center while winds aloft diverge away from the center.

Maritime Tropical air is a common air mass affecting the eastern United States.

Katrina was the ________ hurricane ever to hit the United States.

Easterly waves occasionally intensify into hurricanes.

The boundary between warm air and cold air is much steeper in a warm front than in a cold front.

The slope of a warm front averages 1:200.

The month most likely for a hurricane to occur in the Northern Hemisphere is ________.

The Enhanced Fujita Scale was adopted in 2007. It is based on estimates of 3-second gusts of wind as estimated by ________.

The warmest air can be found in the ________ air mass.

Which of the following air masses can be identified as being "very stable"?

A midlatitude anticyclone ________.

More than 80% of hurricanes originate on the poleward side of the ________.

Almost any area in the high or low latitudes can act as an air mass source region.

It can be said that along all the fronts in a middle latitude cyclone, ________.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Preliminaries to Weathering: Mass Wasting and Erosion

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters