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Most midlatitude cyclones have ________.


A) short (less than 1,000 km) paths
B) paths from north to south
C) paths from east to west
D) completely unpredictable paths
E) paths determined by the upper air flow

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Hurricane Katrina's damage was so great because the storm intensified just as it reached New Orleans.

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A large body of air with internal homogeneous characteristics is known as a(n) ________.

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The desert would be the obvious zone of origin of a ________ air mass.


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

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A tornado advances at a rate of speed of ________ kilometers per hour.


A) 1-2
B) 25-50
C) 100-120
D) 300-500
E) 1,000-1,500

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The part of the hurricane characterized by scattered high clouds and light winds is known as the


A) spiral band.
B) eyewall.
C) eye.
D) warm sector.
E) warm front.

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Which of the following occurs least over North America?


A) maritime tropical air from the North Pacific
B) maritime polar air from the Gulf of Alaska
C) maritime tropical air from the Pacific
D) maritime polar air from the North Atlantic
E) Arctic air from Siberia

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A(n) ________ is the boundary between mT and cT air and is frequently the focus of tornado development.


A) dryline
B) hurricane
C) easterly wave
D) occluded front
E) polar front

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Calm, fair weather is most likely to result from a/an ________.


A) tropical cyclone
B) midlatitude cyclone
C) midlatitude anticyclone
D) tornado
E) chinook

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The concept of fronts was originated by ________ (nationality) meteorologists during World War I.

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Air masses are free to sweep and mix over the eastern two-thirds of the United States because of the lack of ________.

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east-west ...

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Which country is the most likely place on Earth for a tornado to occur?


A) Brazil
B) the United States
C) Russia
D) the People's Republic of China
E) India

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In and near eastern Asia, the place of origin for tropical cyclones is ________.


A) Siberia
B) east of the Philippines
C) southern Australia
D) central China
E) all of the above

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Hurricane destruction to land coastlines is made worse when this feature-not prominent in all hurricanes-is present: ________.


A) the eye wall
B) the storm surge
C) easterly waves
D) winds of hurricane force
E) heavy rain

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Fronts typically lean with height so that they slope at so low an angle as to be much closer to horizontal than vertical in their orientation.

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________ are (is) the cause associated with the greatest loss of life in hurricanes.


A) Tornadoes
B) High winds
C) Torrential rains
D) Low pressure
E) Storm surges

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In a warm front, warm air pushes underneath cold air.

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The average directional movement of tornadoes is ________.


A) east to west
B) west to east
C) north to south
D) south to north
E) southwest to northeast

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Upper air divergence is most closely associated with surface ________.


A) anticyclones
B) inversions
C) cyclones
D) isobars
E) air mass source regions

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Which of the following is the least likely zone of formation for a large air mass?


A) eastern Siberia
B) northern Sahara
C) under an oceanic subtropical high
D) Caribbean Sea
E) the U.S. Midwest

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