Transcript Chapter_13

Chapter 13 Review
The Nature of Storms
Which is NOT a condition that
must exist in order to produce a
thunderstorm?
1.
2.
3.
4.
a source of moisture
lifting of the air mass
an unstable atmosphere
a source of wind
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In what stage of a thunderstorm
would an equal amount of
updrafts and downdrafts exist?
1.
2.
3.
4.
cirrus stage
cumulus stage
mature stage
dissipation stage
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What stage of a
thunderstorm is
shown?
1.
2.
3.
4.
cirrus stage
cumulus stage
mature stage
dissipation stage
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What ultimately leads to a thunderstorm’s
dissipation?
1. the production of downdrafts
2. the loss of a supply of cold
air
3. the decrease in cloud
droplets
4. the decrease of surface
winds
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Fujita Path
Intensi
ty
Scale
Durati Wind
on
Speed
F0
up to 4 1-10
km
min
70-118
km/h
F1
up to 4 1-10
km
min
119180
km/h
F2-F3
24 km 20 min 181+
+
332
km/h
F4
80 km 1 h +
+
333500
km/h
F5
80 km 1 h +
+
501512
km/h
A tornado lasts 9
minutes, is 2 km wide
and has wind speeds of
99 km/h. What intensity
level would it be
classified?
1.
2.
3.
4.
F0
F1
F2-F3
F4
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0%
0%
2
3
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4
Fujita
Intensity
Scale
Path
F0
up to 4
km
1-10 min
70-118
km/h
F1
up to 4
km
1-10 min
119-180
km/h
F2-F3
24 km
+
20 min +
181-332
km/h
F4
80 km
+
1h+
333-500
km/h
F5
80 km
+
1h+
501-512
km/h
1.
2.
3.
4.
Duration
Wind
Speed
181-332 km/h
333-500 km/h
500-512 km/h
119-180 km/h
How fast must the
winds of a tornado
be traveling to be
classified as a F4
tornado?
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3
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Fujita
Intensity
Scale
Path
F0
up to 4
km
1-10 min
70-118
km/h
F1
up to 4
km
1-10 min
119-180
km/h
F2-F3
24 km +
20 min +
181-332
km/h
F4
80 km +
1h+
333-500
km/h
F5
80 km +
1h+
501-512
km/h
1.
2.
3.
4.
332 km/h
485 km/h
502 km/h
510 km/h
Duration
Wind
Speed
0%
1
0%
0%
2
3
A tornado has
lasted for 70
minutes and its
path was 84 km
wide. What
would its wind
speed have to be
in order for it to be
categorized as an
F4 tornado?
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4
When a storm over an ocean has
wind speeds of 75 km/h what can
it be classified as?
1. a hurricane
2. a tropical
depression
3. a tropical storm
4. a cyclone
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1.
2.
3.
4.
the eye
the eyewall
the rainbands
the outer edge
At which point
would the strongest
winds and densest
clouds of the
hurricane be
located?
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3
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4
What is
characteristic of
the eye of the
hurricane?
1. the strongest winds and
densest clouds
2. thunderstorms
3. light clouds and precipitation
4. calm weather and blue sky
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Because the hurricane
is moving in a
counterclockwise
direction, what can be
inferred about this
hurricane?
1.
2.
3.
4.
The moving tropical disturbance which
caused this hurricane came from the west.
The moving tropical disturbance which
caused this hurricane came from the east.
This hurricane is occurring in the northern
hemisphere.
This hurricane is occurring in the southern
hemisphere.
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Category
Winds
(km/h)
Change in
sea level
Damage
5
>250
>5.5 m
catastrophic
4
210-249
4.0-5.5 m
extreme
3
178-209
2.8-3.7 m
extensive
2
154-177
1.8-2.5 m
moderate
1
119-153
1.2-1.5 m
minimal
A hurricane has been
classified as a
category 3 hurricane.
Which of the
following is NOT
true?
1. the hurricane can not get any
stronger
2. the hurricane has winds of 200 km/h
3. the hurricane can not get any weaker
4. the hurricane has sea level changes
of 4.0 m
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3
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Category
Winds
(km/h)
Change
in sea
level
Damage
5
>250
>5.5 m
catastrop
hic
4
210-249
4.0-5.5 m extreme
3
178-209
2.8-3.7 m extensive
2
154-177
1.8-2.5 m moderate
1
119-153
1.2-1.5 m minimal
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0%
0%
0%
1.
2.
3.
4.
catastrophic
moderate
extensive
extreme
A hurricane hits
land with wind
speeds of 225 km/h
and sea level
changes of 5.5 m.
What damage
classification would
it be labeled as
according to the
Saffir-Simpson
Hurricane Scale?
Air
Tempera
ture (ºF)
75
80
85
90
Relative
Humidit
y (%)
Apparent
Tempera
ture (ºF)
0
69
73
78
83
10
70
75
80
85
20
72
77
82
87
30
73
78
84
90
40
74
79
86
93
50
75
81
88
96
60
76
82
90
100
70
77
85
93
106
80
78
86
97
113
90
79
88
102
100
80
91
108
122
All public pools in a local
city are free when the heat
index is at least 90°F. What
is the minimum amount of
relative humidity needed for
the pools to be free if the air
temperature is 85°F?
1.
2.
3.
4.
60%
10%
80%
50%
0%
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0%
0%
2
3
0%
4
Air
Tempera
ture (ºF)
75
80
85
90
Relative
Humidit
y (%)
Apparent
Tempera
ture (ºF)
0
69
73
78
83
10
70
75
80
85
20
72
77
82
87
30
73
78
84
90
40
74
79
86
93
50
75
81
88
96
60
76
82
90
100
70
77
85
93
106
80
78
86
97
113
90
79
88
102
122
100
80
91
108
What air temperature and
relative humidity produces
the same apparent
temperature as when the air
temperature is 90°F and the
relative humidity is 40%?
1.
2.
3.
4.
70°F, 85%
75°F, 90%
85°F, 60%
85°F, 70%
0%
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0%
0%
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3
0%
4
Flooding occurs if an area receives 27 cm of total
rainfall. If a storm lasts for 21 hours with a rainfall
rate of 1.5 cm/h would the area become flooded?
1. Yes, because the area would
receive 31.5 cm of rain.
2. No, because the area would
receive 21 cm of rain.
3. Yes, because the area would
receive 315 cm of rain.
4. Yes, because the area would
receive 40.5 cm of rain.
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A(n) ____ thunderstorm forms
because of unequal heating of
Earth’s surface within one air
mass.
1.
2.
3.
4.
frontal mass
cold front
air mass
air pressure
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The rising, moist updrafts and the
falling, cool downdrafts form a
convection cell that produces the ____
associated with thunderstorms.
1. temperatures
2. thunder
3. humidity
4. gusty surface winds
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Very severe thunderstorms can form
when a ____ has a large continuous
supply of warm air to lift and condense.
1.
2.
3.
4.
cold front
warm air mass
warm front
tornado
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3
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4
When friction between updrafts and
downdrafts within a cumulonimbus
cloud creates regions of air with
opposite charges, ____ forms.
1.
2.
3.
4.
warm air
lightning
precipitation
ozone
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3
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4
____ are often associated with
very severe thunderstorms called
supercells.
1.
2.
3.
4.
Tornadoes
Sea breezes
Hurricanes
Heat waves
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A mound of water driven toward
coastal areas by hurricane winds
is called a ____.
1.
2.
3.
4.
cyclone
supercell
storm surge
cold front
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An extended period of wellbelow-normal rainfall is a ____.
1.
2.
3.
4.
flood
drought
heat wave
tropical
cyclone
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The phenomenon in which the
effects of cold air are worsened
by wind is the ____.
1. supercell
2. sea breeze
3. wind chill
factor
4. cold wave
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Air under a large high-pressure
system sinks, warms, and causes
above-normal temperatures
1. cold wave
2. drought
3. heat wave
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0%
2
0%
3
High pressure associated with
continental polar or arctic air
1. cold wave
2. drought
3. heat wave
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2
0%
3
Large, persistent high-pressure
system associated with extended
periods of below-normal rainfall
1. cold wave
2. drought
3. heat wave
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0%
2
0%
3
1. True
2. False
Diagram A
would
most likely
occur
during the
night.
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2
The weather
in diagram A
is more likely
to produce a
thunderstorm
than the
weather in
diagram B.
1. True
2. False
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1
0%
2
The
weather in
diagram B
would be
considered
stable.
1. True
2. False
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1
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2
1. True
2. False
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1
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2
The air
circulates
counterclock
wise in
diagram B
because the
water cools
slower than
the land.
The cumulonimbus clouds
associated with thunderstorms
form from cumulus clouds and
convection.
1. True
2. False
0%
1
0%
2
All tropical cyclones thrive on
the energy in warm and cold air
masses.
1. True
2. False
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1
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2
A Category 2 hurricane on the
Saffir-Simpson hurricane scale is
more dangerous than a Category
5 hurricane.
1. True
2. False
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2