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Meteorology 2nd Semester Final review

Total questions: 100

Worksheet time: 49mins

Name
Class
Date
1.
Which of the following is not a type of drought?
a)
Socioeconomic
b)
Agricultural
c)
Hydrological
d)
Desert
2.
Droughts and heat waves are most frequently associated with?
a)
persistent low pressure fronts
b)
stationary fronts
c)
persistent high pressure fronts
d)
persistent cold fronts
3.
All of the following variables except which are used to monitor drought?
a)
Cloud cover
b)
Ground water supply
c)
water use
d)
surface evaporation rates
4.
Precipitation is monitored using which of the following?
a)
Doppler radar
b)
Rain gauges
c)
Both doppler radar and rain gauges
d)
Thermometer
5.
Which weather variable reduces our ability to cool down efficiently?
a)
Increasing temperature
b)
Decreasing temperature
c)
Increasing relative humidity
d)
Decreasing relative humidity
6.
How does a drought begin in the western US?
a)
Insufficient rainfall
b)
Insufficient snowpack
c)
Above average temperatures
d)
Lack of thunderstorms
7.
The drought monitor takes into account
a)
relative humidity
b)
temperature
c)
long term conditions
d)
short term conditions
8.
The heat index chart takes which two weather variables into account?
a)
Temperature and precipitation
b)
Temperature and drought
c)
Temperature and wind speed
d)
Temperature and relative humidity
9.
Drought in the central and eastern US begins in which season(s)?
a)
Winter
b)
Spring
c)
Summer
d)
Spring and Summer
10.
What is the name of the infamous drought that occurred in the 1930s?
a)
The midwest dryout
b)
The Dustbowl
c)
The 1930s drought
d)
The dusty drought
11.
What are the three primary features that cause blizzards to form in the US?
a)
Rocky Mountains, Cold Canadian Air, High Pressure System
b)
Smokey Mountains, Cold canadian Air, Low Pressure System
c)
Rocky Mountains, Cold Canadian Air, Low Pressure System
d)
Cold Air, Rocky Mountains, High Winds
12.
The Rocky Mountains  __________ and ____________ the winds along the 2/3 of this country.
a)
Increase, Guide
b)
Freeze, Guide
c)
Increase, Rotate
d)
Block, Guide
13.
The NWS will issue a blizzard warning if what four conditions are met?
a)
1 inch of snow, winds 35 mph, visibility 1/4 mile, lasts for 2 hours
b)
Blowing snow, winds 35 mph, visibility 1/4 mile, lasts 3 hours
c)
Falling snow, winds 30 mph, visibility 1/4 mile, last 3 hours
d)
Blowing snow, winds 25 mph, visibility 1/4 mile, last 3 hours
14.
Blizzards are most common in the state of 
a)
Maine
b)
West Virginia
c)
North Dakota
d)
Texas
15.
In the US our cold air comes from the _______ ________ and specifically _______________.
a)
southern latitudes, Canada
b)
northern latitudes, Antartica
c)
northern latitudes, North Pole
d)
northern latitudes, Canada
16.
Most of Canada is North of 50 degrees N latitude, the sun is ineffective at heating the ground. This is due to what two things?
a)
Sun angle is high and Daylight hours in the winter are short.
b)
The cold atmosphere and short days.
c)
The cold atmosperic conditions and the long days,
d)
Sun angle is low and daylight hours in Canada in the winter are very short.
17.
Falls when the whole atmospheric column is below freezing. The size is dependent on the temperature of the cloud in which it formed or if it becomes wet from near freezing temperatures.
a)
Rain
b)
Sleet
c)
Graupel
d)
Snow
18.
Forms when snowflakes collide with supercooled water droplets. This creates a fragile structure in place of a defined crystal.
a)
Graupel
b)
Hail
c)
Snow
d)
Sleet
19.
Occurs when snow melts in a layer of above freezing air and then freezes upon contact with a below-freezing surface.
a)
Rain
b)
Freezing Rain
c)
Sleet
d)
Snow
20.
Forms when a strong updraft in a thunderstorm lofts water droplets to high altitudes where they freeze and grow as they collide with more super cooled water droplets.
a)
Sleet
b)
Graupel
c)
Hail
d)
Snow
21.
Forms when snow crystals melt in a layer of above freezing air and then refreeze in a sufficiently thick below freezing layer.
a)
Sleet
b)
Rain
c)
Hail
d)
Snow
22.
It snowed 20 inches in the Blizzard of 1977. How many inches of liquid water would that equal?
a)
1
b)
2
c)
.5
d)
4
23.
What kind of system does it take to make a blizzard?
a)
High Pressure
b)
Low pressure
c)
Cold front
d)
Warm front
24.
What are some wind characteristics of a low pressure system?
a)
High winds spiral clockwise
b)
Low winds spiral counterclockwise
c)
High winds spiral counterclockwise
25.
The heaviest snow and blizzard conditions happen to the___________ of the low-pressure system
a)
northwest
b)
southwest
c)
northeast
d)
east
26.
Meteorologists refer to the region where the heavy snow and blizzards form as the ___________
a)
Blizzard area
b)
Hazard area
c)
wrap around region
d)
Low pressure system
27.
Air temperature is -15F wind speed is 40 mph what is the frostbite time?
a)
10 minutes
b)
30 minutes
c)
5 minutes
d)
3 minutes
28.
Air temperature is -10F, wind speed is 40 mph what is the wind chill?
a)
-10
b)
-20
c)
-43
d)
-12
29.
Which listed is a common low-pressure system that produces blizzards in the Midwest
a)
Colorado High
b)
Colorado Low
c)
Minnesota Clipper
d)
Michigan Clipper
30.
The deadliest part of a blizzard is not the snow it is the
a)
reduced visibility
b)
Driving conditions
c)
Flooding post blizzard
d)
wind
31.
What is the condition when your body reaches an abnormally low temperature below 95F
a)
Hyperthermia
b)
Hypothermia
c)
Frostbite
d)
Flu
32.
Blizzards are associated with high pressure systems.
a)
True
b)
False
33.
The Rocky Mountains are an important feature for blizzard formation
a)
True
b)
False
34.
Cold air from Canada is essential for blizzard formation.
a)
True
b)
False
35.
An Alberta Clipper is a low pressure that forms in Alberta, Canada.
a)
True
b)
False
36.
The wrap around region of the low pressure system is where blizzards occur.
a)
True
b)
False
37.
The wind chill chart can be used to estimate time until frostbite occurs.
a)
True
b)
False
38.
Liquid water can exist below freezing (32 Degrees F)
a)
True
b)
False
39.
Freezing rain and sleet form through the same processes.
a)
True
b)
False
40.
Temperatures always decreases with increasing altitude.
a)
True
b)
False
41.
Ice storms typically occur near
a)
a high pressure system
b)
a cold front
c)
a warm front
d)
the ocean
42.
What is the name of the instrument that is attached to a weather balloon to measure the vertical profile of the atmosphere?
a)
Radar
b)
Satellite
c)
Radiometer
d)
Rawinsonde
43.
When pure water remains in its liquid form below freezing temperatures, it is called
a)
sleet
b)
supercooled
c)
sub-melting
d)
snow
44.
A warm front occurs when 
a)
warm air overruns cold air
b)
warm air overruns more warm air
c)
cold air overruns warm air
d)
warm becomes more dense than cold air
45.
In order for freezing rain to form, which of the following is not necessary?
a)
A low pressure
b)
A melting layer above the surface
c)
A surface sub-freezing layer
d)
Blizzard conditions
46.
Which two devices are used to measure the he vertical temperature profile of the atmosphere?
a)
An airplane and barometer
b)
An airplane and anemometer
c)
A weather balloon and a barometer
d)
A weather balloon and rawinsonde
47.
Which of the following will the National Weather Service issue if an ice accumulation is forecasted to exceed 1/4 inch in the next 24 hours?
a)
Freezing rain outlook
b)
Freezing rain warning
c)
Freezing Rain Alert
d)
Freezing Rain watch
48.
What is the name of the instrument pack that records the vertical temperature profile?
a)
Rawinsonde
b)
weather balloon
c)
barometer
d)
thermometer
49.
Which of the following is not true about supercooled water?
a)
Supercooled water is liquid water that exists at temps below freezing.
b)
Supercooled water is pure water that occurs in the liquid state below 32 degrees F.
c)
Supercooled water requires a surface or impurity to freeze upon.
d)
Supercooled water can occur in clouds below-60 degrees Celcius
50.
A band of freezing rain occurs _____________ with respect to the center of wintertime low pressure system.
a)
behind the warm front
b)
behind the cold front
c)
north of the warm front
d)
north of the cold front
51.
Freezing rain requires all except
a)
wind speeds that exceed 35 mph
b)
a warm melting layer above the surface
c)
surface temperatures below freezing
d)
a surface to freeze upon
52.
A freezing rain warning is issued by the NWS when
a)
freezing rain occurs for more than 6 hours
b)
freezing rain, sleet, or snow occurs for more than 24 hours
c)
an ice accumulation is forecasted to exceed 1/4 inch.
d)
An ice accumulation is forecasted to exceed 0.01 inch.
53.
Liquid water is less dense than ice.
a)
True 
b)
False
54.
The molecular structure of ice is hexagonal.
a)
True
b)
False
55.
Pure water is able to remain a liquid at temps below freezing.
a)
True
b)
False
56.
Dust is an excellent surface by which water can freeze upon.
a)
True
b)
False
57.
Collectively, the states of Texas, Oklahoma, Kansas and Nebraska, where tornadoes occur often, are all called
a)
Tornado towns
b)
Storm centers
c)
Tornado Alley
d)
Cyclone counties
58.
Tornadoes form on every continent of the world except for
a)
Europe
b)
South America
c)
North America
d)
Antactica
59.

What happens in Tornado Alley to create so many tornadoes?

a)

The rate of condensation is higher than the rate of precipitation

b)

Warm air from Canada meets cold air from Virginia

c)

Cold, dry air from Canada meets warm moist air from Gulf of Mexico

d)

Warm air in Texas clashes with even warmer air in Texas

60.
The column of tightly spinning winds that dip down from storm clouds are called - 
a)
Vacuum clouds
b)
Debris clouds
c)
Funnel clouds
d)
Cirrus clouds
61.
What are some wind characteristics of a low pressure system?
a)
High winds spiral clockwise
b)
Low winds spiral counterclockwise
c)
High winds spiral counterclockwise
62.
Where do tornadoes form? 
a)
within thunderstorms called supercells
b)
within hurricanes that form in Canada
c)
within storms that have winds blowing from the east
d)
in storms that only produce light showers
63.
What happens in Tornado Alley to create so many tornadoes?
a)
The rate of condensation is higher than the rate of precipitation
b)
Warm air from Canada meets cold air from Virginia
c)
Cold, dry air from Canada meets warm dry air from Gulf of Mexico
d)
Warm air in Texas clashes with even warmer air in Texas
64.
Which level of tornadoes causes the greatest damage? 
a)
EF 0
b)
EF 1
c)
EF 5
d)
EF 7
65.
What scale do scientist use to measure and rank tornadoes?
a)
The Richter Scale
b)
The Fujita Scale
c)
Saffir-Simpson Scale
d)
All of the above
66.
People at the _____________ keep a close eye on thunderstorms.  They warn the public when a tornado is forming.
a)
Department of Transportation
b)
Department of Treasury
c)
Social Security Administration
d)
National Weather Service
67.
The best place to go to protect yourself during a tornado is   ____________.
a)
near trees
b)
in a cellar
c)
in a car
d)
in a mobile home
68.

What is the biggest and deadliest type of a Tornado?

a)

Rain Wrapped

b)

Massive Wedge

c)

Typhoon

d)

Hurricane

69.

Tornadoes can be detected by:

a)

satellites

b)

radar

c)

storm tracking

d)

all are involved in detecting tornadoes

70.
A tornado is a violent rotating column of air extending from a thunderstorm 
a)
True
b)
False
71.

Tornadoes can appear as a traditional funnel shape, or in a slender rope-like form.

a)

True

b)

False

72.

Large tornado producing thunderstorms are called:

a)

wall clouds

b)

sirrus clouds

c)

super cells

d)

major cells

73.

Tornadoes are generally measured by:

a)

how much rain they drop

b)

the floods they create

c)

the damage they do

d)

how long they last

74.

Doppler radar develop in the 70's allowed weathermen to identify the:

a)

wall clouds

b)

sirrus clouds

c)

hook echo that showed air movement in storms

d)

snow developing in clouds

75.

The most active month for tornadoes:

a)

March

b)

April

c)

May

d)

June

76.

How many inches of water does it take to wash a car away?

a)

6

b)

8

c)

12

d)

24

77.

How many inches of water does it take to wash you away?

a)

6

b)

8

c)

12

d)

20

78.

Which of the following is not a type of flooding?

a)

coastal

b)

widespread

c)

farmland

d)

flash flooding

79.

Using the probability of occurrence 1/500 x 100% What is the probability of a 500 year flood?

a)

2%

b)

0.2%

c)

1%

d)

4%

80.

This type of flooding is usually associated with a major river system and can take weeks to months to develop. These events are very predictable, but inevitable.This type of flooding can occur any time of the year and is a result of a number of meteorological and human factors. It is the most costly and covers the largest area.

a)

widespread

b)

coastal

c)

flash

81.

This type of flooding is a result of slow moving hurricanes and/or large wintertime cyclones. These flooding events can last several days to weeks. This type of flooding can be predicted days in advance to the event.

a)

widespread

b)

coastal

c)

flash

82.

This is the deadliest type of flooding. These floods occur very quickly and with little warning. They are associated most often with thunderstorms and can be very difficult to predict in advance.

a)

widespread

b)

coastal

c)

flash

83.

Flooding occurs in every state across the U.S.

a)

True

b)

False

84.

Which of the following regions is most prone to coastal flooding?

a)

Topeka, KS

b)

Phonex, AR

c)

Dallas, TX

d)

New Orleans, LA

85.

Which of the following regions is most prone to flash flooding?

a)

Phoenix, AZ

b)

St. Louis, MO

c)

Topeka, KS

d)

New Orleans, LA

86.

What instrument helps meteorologists measure precipitation intensity and 1-hour

rainfall totals?

a)

Rain gauge

b)

Satellite

c)

Doppler Radar

d)

River Height Gauge

87.

What is the probability of occurrence of a 125-year flood during any given year?

a)

0.008%

b)

0.08%

c)

0.8%

d)

8%

88.

Liquid water can exist in all except

a)

330 F

b)

-200 F

c)

800 F

d)

May exist in all temps listed above.

89.
Ice storms typically occur near
a)
a high pressure system
b)
a cold front
c)
a warm front
d)
the ocean
90.

Winter weather conditions are expected to cause significant inconveniences and may be hazardous. If you are cautious, these situations may not be life threatening.

a)

outlook

b)

watch

c)

warning

d)

advisory

91.

If you must travel during an ice storm it is important to have ______________________ in the car with you.

a)

phone, water and toilet paper

b)

food, phone and blankets

c)

coffee, phone and blankets

d)

food, water and blankets

92.

Precipitation falls into cold air and it never melts on the way down.

a)

rain

b)

freezing rain

c)

sleet

d)

snow

93.

Snow melts refreezes into sleet as it travels through the cold air.

a)

Rain

b)

Freezing rain

c)

sleet

d)

Snow

94.

The air near the ground needs to have a temperature below freezing. This layer is called the _____________________________

a)

surface sub-freezing layer

b)

melting layer

c)

ice layer

d)

snow layer

95.

Which of the following is the first step when sliding on an icy road?

a)

Step on your breaks

b)

Turn the wheel

c)

Let off the gas pedal

96.

What is a safe speed when driving on icy roads?

a)

30 MPH

b)

There is no safe speed

c)

50 MPH

d)

15 MPH

97.
How many sides does a snowflake have?
a)
2
b)
6
c)
Each snowflake has a different amount
98.

Does the act of oversteering or understeering cause the most ice related accidents?

a)

Oversteering

b)

Understeering

99.

What is the freezing temperature of water?

a)

30 degrees farenheit

b)

10 degrees farenheit

c)

32 degrees celcius

d)

32 degrees farenheit

100.

________________ are impurities in the atmosphere that serve as a site onto which liquid water can become locked into the ice phase if the temperature is below freezing.

a)

air pollution

b)

ice nuclei

c)

smoke

d)

condensation nuclei