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35 Cards in this Set
- Front
- Back
Tornadoes, although erratic in their pathways, are always characterized by ________ pressure.
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low
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On the average, ________ fronts move the fastest of all fronts.
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cold
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Hurricane formation is very rare within ________ degrees of the Equator.
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10
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Thunderstorms are violent ________ storms accompanied by thunder and lightning.
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convective
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An average air mass is on the order of ________ kilometers in diameter.
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1,600
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Upper air divergence is most closely associated with surface ________.
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cyclones
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In an occluded front, the warm air sector is ________.
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above the ground
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Which front is shown on weather maps as a line with alternating semicircles and triangles on the same side of the line?
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occluded front
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In the Northern Hemisphere, a midlatitude cyclone has winds that circulate
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counterclockwise while converging.
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At any given time, how many extratropical cyclones might one expect to be in existence in the Northern Hemisphere?
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6 to 15
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The energy source of hurricanes is
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warm seawater.
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In order to be classified as a hurricane, sustained wind velocity must exceed ________ kilometers per hour (mph).
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119 (74)
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Which type of cloud is associated with a thunderstorm?
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cumulonimbus
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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 |
An easterly wave
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Which type of front typically produces the fastest rise of air?
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cold
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Which type of front causes many hours of steady rain BEFORE that front passes a location?
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warm
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At any moment, approximately ________ lightning storms are occurring around the world.
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2,000
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The 1-5 scale rating hurricane intensity is the ________ Scale.
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Saffir-Simpson
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The term "tropical disturbance" cannot be applied to which of the following storm types?
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wave cyclone
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Katrina was the ________ hurricane ever to hit the United States.
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most costly
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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 |
Black Holes
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The two main concepts discussed during the “Optical Phenomena in the Atmosphere” presentation were…
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Refraction and Reflection
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A weak migratory low pressure trough which is common in the low latitudes is often called a/an ________.
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easterly wave
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According to the “Optical Phenomena in the Atmosphere” Aurora occurs in the ___________ between _________ miles
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ionosphere, 60 and 250
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Which of the following scattering equations was use by the “Optical Phenomenon in the Atmosphere” Group for small particles?
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Rayleigh’s scattering
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During the “Global Warming” presentation, which of the following two gases were mentioned as causes?
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Carbon Dioxide and Methane
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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 |
The Greenhouse Effect
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____________ plays an important role to “Global Warming” – “Albedo”
a) Water b) CFC c) Coal d) Moisture e) NONE OF THE ABOVE |
None of the above
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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 |
fishing
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The correct designation for a hurricane is as a/an ________.
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"tropical cyclone"
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Thunderstorms accompany ________.
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hurricanes, tornadoes, extratropical cyclones, cold fronts
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Calm, fair weather is most likely to result from a/an ________.
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midlatitude anticyclone
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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 |
cP
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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. |
It must have a warm front at its leading edge.
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A tornado advances at a rate of speed of ________ kilometers per hour.
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25-50
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