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50 Cards in this Set
- Front
- Back
Average winter temperatures in Great Britain and Norway would probably be much colder if it were not for the: |
North Atlantic Drift |
|
The process that produces crepuscular rays in the atmosphere is |
scattering |
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The ________ is a measure of hurricane strength based on hurricane winds and central pressure. |
Saffir-Simpson scale |
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Savanna grass would most likely be associated with which climate type: |
semi-arid (BS) |
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"A good absorber of a given wavelength of radiation is also a good emitter of that wavelength." This is a statement of: |
Kirchoffs law |
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A wind blowing at a constant speed parallel to straight line isobars with the pressure gradient force (PGF) and the Coriolis force in balance is called a: |
geostrophic wind |
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In a hurricane, the eye wall represents: |
a zone of intense thunderstorms around the center |
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The origin of cP and cA air masses that enter the United States is: |
Northern Canada and Alaska |
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An instrument used to measure wind speed is called a(an): |
anemometer |
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Indications of past climates in tree rings are determined by examination of the |
(this is an all of the above answer) |
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The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the: |
higher water temperature in the Gulf of Mexico |
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Light flashes darting upward from the tops of thunderstorms are called |
sprites and blue jets |
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A surface low pressure center is generally associated with __________ on an upper level isobaric chart. |
a trough |
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Which cloud type below would most likely form in an unstable atmosphere? |
Cumulonimbus |
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A mesoscale convective complex is actually: |
individual thunderstorms that grow into a large, long-lasting weather system |
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When radiation fog "burns off," the fog tends to dissipate |
from the bottom up |
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The blue color of the sky is due to: |
selective scattering of visible light by air molecules |
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If an air parcel is completely at rest, which of the following forces can make the parcel begin to move? |
pressure gradient |
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Which of the following does not describe the subtropical jet stream? |
forms along the polar front |
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Which below would not be considered an onshore wind? |
Santa Ana Wind |
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Fall streaks most often form with |
cirrus clouds |
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The Fata Morgana is actually a |
mirage |
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Another term for explosive cyclogenesis used by meteorologists is |
bomb |
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A low, lumpy cloud layer that appears in rows, patches or rounded masses would be classified: |
stratocumulus |
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A katabatic wind on the Oregon coast would most likely blow from the: |
west |
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The cloud that forms along the leading edge of a gust front is called |
a roll cloud |
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If the earth were in a cooling trend, which process below would most likely act as a positive feedback mechanism? |
increasing the water vapor content of the air |
|
The most abundant gases in the earths atmosphere by volume are: |
nitrogen and oxygen |
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The word "frontogenesis" on a weather map would mean that: |
a front is regenerating or strengthening |
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The maximum in daytime surface temperature typically occurs _______ the earth receives its most intense solar radiation. |
after |
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The main difference between a hurricane and a tropical storm is that: |
wind speeds are greater in a hurricane |
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In the atmosphere, tiny solid or liquid suspended particles of various composition are called: |
aerosols |
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Which climate type would normally have the highest afternoon temperatures during the summer? |
A |
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Storms vary in size (diameter). Which list below arranges storms from largest to smallest? |
middle latitude cyclone, hurricane, thunderstorm, tornado |
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The outpouring of gases from the earths hot interior is called |
outgassing |
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A primary component of photochemical smog is |
ozone |
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The Milankovitch Theory proposes that climatic changes are due to: |
variations in the earths orbit as it travels through space |
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The rate at which the temperature changes inside a rising (or descending) parcel of saturated air is called the: |
moist adiabatic lapse rate |
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Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called: |
visible light |
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Lines connecting points of equal pressure change are called: |
isallobars |
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Most squall line thunderstorms form: |
in advance of a cold front |
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The fog that forms along the Pacific coastline of North America is mainly this type: |
advection fog |
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Halos are caused by |
refraction of light passing through ice crystals |
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Which of the following statements are correct? |
(this is an all of the above question) |
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A wind reported as 225 degrees would be a wind blowing from the: |
SW |
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The two ocean currents, warm and cold, that produce fog off the coast of Newfoundland are the: |
Gulf stream and labrador current |
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A rising parcel of air that does not exchange heat with its surroundings is an example of |
an adiabatic pressure |
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Which type of precipitation would most likely form when the surface air temperatures is slightly below freezing and the air temperature increases as you move upward away from the ground? |
freezing rain |
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Which of the following instruments measures pressure? |
barometer |
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A tornado cloud that does not touch the ground is called: |
a wall cloud |