Met 10 Quiz 3 study questions
In geostrophic winds:
a) Flow is parallel to isobars
b) The pressure gradient force (PGF) is balanced by the Coriolis force
c) Jet streams generally blow from west to east in the mid-latitudes
d) Friction is assumed to be zero
e) All of the above
The hot and humid conditions that affect the Gulf States in summertime are due to what air mass?
a) cP
b) cT
c) mP
d) mT
The cP air mass is generally
a) warm and moist
c) cold and moist
b) warm and dry
d) cold and dry
How does the Pacific High (a semi-permanent high pressure system) affect summertime conditions in
California?
a) It leads to frequent rainstorms
b) It creates Diablo and Santa Ana winds that warm up the coastal regions
c) It acts as a blocking pattern, by not allowing low-pressure systems to move into the state
d) It allows for the formation of the severe thunderstorms in the Central Valley
The majority of the United States lies within this wind belt:
a) Westerlies
b) Easterlies
c) Northerlies
d) Trades
In the general circulation of the atmosphere, one would find the region called the doldrums:
a) Near 30° latitude
b) Near the poles
c) Near the equator
d) Near 60° latitude
Regions affected by low-pressure systems are typically
a) cloudy and stormy
b) clear and calm
c) moist and windy
d) hot and humid
The world's deserts are found at 30° latitude because:
a) the intertropical convergence zone is located here
b) of the movement of air due to the polar front
c) of the convergence of the prevailing westerlies and the Northeast Trades
d) of the sinking air of the Hadley cell
e) of the doldrums
The intertropical convergence zone (ITCZ) is a region where:
a) The polar front meets the subtropical high
b) Northeast trades meet the southeast trades
c) Northeast trades converge with the subtropical high
d) The Ferrel cell converges with the Hadley cell
e) Polar easterlies converge with the air at the doldrums
On a weather map, the transition zone between two air masses with sharply contrasting properties is
marked by:
a) the letter "H"
b) the words "air mass weather"
c) a front
d) the letter "L"
In Honolulu, Hawaii (21° N), you would most likely experience the trade winds, blowing from the:
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a) Northeast
c) Southwest
b) South
d) Northwest
The jet stream is strongest (has the highest wind speeds) in the winter because
a) The pole-equator temperature difference is at its largest
b) The presence of sea breeze circulations
c) The pole-equator temperature difference is very small
d) We are furthest from the sun at this time
In Cupertino, winds blowing from the north may indicate
a) Warm air advection
b) Moisture advection
c) Cold air advection
d) Thickness advection
In the northern hemisphere, low-pressure systems are regions of _____ winds and high-pressure systems
are regions of ______ winds
a) Counter-clockwise, clockwise b) Clockwise, counter-clockwise
c) Upslope, downslope
d) Downslope, upslope
According to this cold front, where will air be forced to rise? The arrow indicates which way the front is
moving.
warm air
a
b
cold air
c
d
a) a b) b c) c d) d e) All points
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