Chapter 7 Assessment

Front 1

Tornadoes, although erratic in their pathways, are always characterized by ________ pressure.

Back 1

low

Front 2

On the average, ________ fronts move the fastest of all fronts.

Back 2

cold

Front 3

Hurricane formation is very rare within ________ degrees of the Equator.

Back 3

10

Front 4

Thunderstorms are violent ________ storms accompanied by thunder and lightning.

Back 4

convective

Front 5

An average air mass is on the order of ________ kilometers in diameter.

Back 5

1,600

Front 6

Upper air divergence is most closely associated with surface ________.

Back 6

cyclones

Front 7

In an occluded front, the warm air sector is ________.

Back 7

above the ground

Front 8

Which front is shown on weather maps as a line with alternating semicircles and triangles on the same side of the line?

Back 8

occluded front

Front 9

In the Northern Hemisphere, a midlatitude cyclone has winds that circulate

Back 9

counterclockwise while converging.

Front 10

At any given time, how many extratropical cyclones might one expect to be in existence in the Northern Hemisphere?

Back 10

6 to 15

Front 11

The energy source of hurricanes is

Back 11

warm seawater.

Front 12

In order to be classified as a hurricane, sustained wind velocity must exceed ________ kilometers per hour (mph).

Back 12

119 (74)

Front 13

Which type of cloud is associated with a thunderstorm?

Back 13

cumulonimbus

Front 14

Which of the following occurs most frequently?
a) a hurricane
b) a tropical storm
c) a tropical depression
d) an easterly wave
e) they all occur with approximately the same frequency

Back 14

An easterly wave

Front 15

Which type of front typically produces the fastest rise of air?

Back 15

cold

Front 16

Which type of front causes many hours of steady rain BEFORE that front passes a location?

Back 16

warm

Front 17

At any moment, approximately ________ lightning storms are occurring around the world.

Back 17

2,000

Front 18

The 1-5 scale rating hurricane intensity is the ________ Scale.

Back 18

Saffir-Simpson

Front 19

The term "tropical disturbance" cannot be applied to which of the following storm types?

Back 19

wave cyclone

Front 20

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

Back 20

most costly

Front 21

From this week’s presentation “Optical Phenomena in the Atmosphere”, which of the following was not discussed?
a) Auroras
b) Halos
c) Black Holes
d) Light Pillars
e) Rainbows

Back 21

Black Holes

Front 22

The two main concepts discussed during the “Optical Phenomena in the Atmosphere” presentation were…

Back 22

Refraction and Reflection

Front 23

A weak migratory low pressure trough which is common in the low latitudes is often called a/an ________.

Back 23

easterly wave

Front 24

According to the “Optical Phenomena in the Atmosphere” Aurora occurs in the ___________ between _________ miles

Back 24

ionosphere, 60 and 250

Front 25

Which of the following scattering equations was use by the “Optical Phenomenon in the Atmosphere” Group for small particles?

Back 25

Rayleigh’s scattering

Front 26

During the “Global Warming” presentation, which of the following two gases were mentioned as causes?

Back 26

Carbon Dioxide and Methane

Front 27

Which mechanism was mentioned during the “Global Warming” Presentation
a) The Doppler Effect
b) Adiabatic Effect
c) Coriolis Effect
d) The Greenhouse Effect
e) All of the above

Back 27

The Greenhouse Effect

Front 28

____________ plays an important role to “Global Warming” – “Albedo”
a) Water
b) CFC
c) Coal
d) Moisture
e) NONE OF THE ABOVE

Back 28

None of the above

Front 29

Who contributes to global warming? The “Global Warming” group mentioned all the following except
a) Population Growth
b) deforestation
c) factory farming
d) fossil fuels
e) fishing

Back 29

fishing

Front 30

The correct designation for a hurricane is as a/an ________.

Back 30

"tropical cyclone"

Front 31

Thunderstorms accompany ________.

Back 31

hurricanes, tornadoes, extratropical cyclones, cold fronts

Front 32

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

Back 32

midlatitude anticyclone

Front 33

Of the list below, the coldest air is bound to be associated with a/an ________ air mass.
a) mP
b) cP
c) mT
d) cT
e) E

Back 33

cP

Front 34

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

Back 34

It must have a warm front at its leading edge.

Front 35

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

Back 35

25-50