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Practice Quizzes
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1
What happens to a cP air mass as it moves across the Great Lakes in summer?
A)Cools and gains moisture
B)Warms and gains moisture
C)Cools and loses moisture
D)Warms and loses moisture
2
What typically happens when a warm front passes through a region?
A)Temperatures fall, pressures rise
B)Temperatures rise, pressures rise
C)Temperatures fall, pressures fall
D)Temperatures rise, pressures fall
3
Where do most super-cells form?
A)Between cP and mT air masses along a cold front
B)Between cP and mP air masses along a cold front
C)Between cP and mT air masses along a warm front
D)Between cP and mP air masses along a warm front
4
Which scenario is most likely to result in a thunderstorm?
A)Warm air forced up
B)Warm air forced down
C)Cold air forced up
D)Cold air forced down
5
About how many times a year do severe storms cause $1 billion or more in damage in the continental US?
A)1-2
B)2-3
C)3+
6
On average, what weather phenomenon kills the most people in the US every year?
A)Hurricane
B)Tornado
C)Lightening
D)Excessive heat
7
What are the characteristics of a maritime tropical air mass?
A)High humidity, high temperature
B)Low humidity, high temperature
C)High humidity, low temperature
D)Low humidity, low temperature
8
Which type air masses dominate weather systems in the middle of the continental US?
A)cP and cT
B)cP and mP
C)cP and mT
9
What happens at a cold front?
A)Warm air displaces colder air
B)Cold air replaces warm air
C)Warm air replaces warm air
D)Cold air replaces cold air
10
What causes most weather along the east coast of North America?
A)Mid-latitude cyclone
B)High-latitude cyclone
C)Mid-latitude anticyclone
D)High-latitude anticyclone
11
This stage of a thunderstorm is associated with downdrafts.
A)Cumulus stage
B)Mature stage
C)Dissipating stage
12
What is the tornado intensity scale?
A)Saffir-Simpson scale
B)Fujita scale
C)Richter scale
13
How many categories are in the hurricane intensity scale?
A)4
B)5
C)6
14
Where is the air pressure lowest in a hurricane?
A)On the outer edges
B)At the eye wall
C)Inside the eye
15
Where are most people located when they are killed by hurricanes?
A)In their cars
B)In the open
C)In their homes
16
Which situations produce the lowest recorded atmospheric pressures?
A)Frontal systems
B)Hurricanes
C)Tornadoes
17
What are the maximum hypothesized wind velocities in tornadoes?
A)50 km/hr
B)100 km/hr
C)250 km/hr
D)500 km/hr
18
Where are tornadoes most common?
A)The U.S.
B)Australia
C)North Africa
D)Brazil
19
Why are tornadoes most common in the so called "tornado alley"?
A)because the air is so warm it can't help but be unstable
B)because it is a location where air masses with differing temperatures are interacting with each other frequently
C)because it is a place where the air is so dry it becomes unstable
D)because that location is downwind from the Rocky mountains which causes turbulence needed to generate tornadoes
E)none of the above statements adequately explains why tornadoes occur in "tornado alley".
20
The "lake effect"
A)is something that affects lakes and other large bodies of water
B)is related to the interaction of the hydrosphere and atmosphere
C)creates localized weather systems that can be very different from areas upwind from the body of water
D)is responsible for severe snowfall events in many cities along the great lakes
E)all of the above statements concerning "lake effect" are true
21
Hurricanes like Katrina are
A)related to cold water
B)related to the saltiness of the oceans
C)made more severe if sea level is lowered due to low tides
D)related to the warm temperature of the Atlantic Ocean during the summer
E)are less frequent now that the earth is getting warmer





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