GEOG 2050 Test 2
The temperature in a parcel of air is 30 degrees Celsius at sea level. How high will this unsaturated air parcel have to rise to reach 10 degrees Celsius?
2000 meters
Graph: what is saturation vapor pressure for air that is 30 degrees celsius?
40 millibars
Radiation fog forms when
Ground cools air above
Figure: ITCZ restricted entirely to tropics
because it follows latitude of subsolar point
A ____ is seasonal reversal of winds
monsoon
Which wind system best for Mexico to Vietnam
Trade winds
location typically with highest specific humidity
Tropics over water
in northern hemosphere coriolis force deflects objects
right
The global pressure belt called the __________ is found centered on about 30 degrees latitude north and south.
subtropical high
58. Continuing with the previous question, assume the air parcel has a moist adiabatic rate of 5 degrees Celsius per 1,000 meters. What will the temperature of the air parcel be at 6,000 meters altitude?
-15 degrees celsius
The temperature in a parcel of air is 30 degrees Celsius at sea level and it has a dew-point temperature of 0 degrees Celsius. How high will this unsaturated air parcel have to rise to become saturated?
3000 meters
Instrument used to measure atmospheric pressure
Barometer
____ Clouds are whispy and thin
Cirrus
Which will occur least when relative humidity is 100%?
Evaporation
Santa ana winds form
High pressure Great Basin Low pressure southern Cali
Which is best characterized as warm and rainy
ITCZ
Which will not change dew point temp
Increase in air temp
How would the temperature at the surface of Earth likely respond if there were more stratus clouds?
It would cool
ITCZ is farthest north in
July
Describe ocean salinity at high latitudes
Low near surface and increases with depth
area with uniform air density and pressure will have
No wind
____ occurs when air moves over mountains
Orographic uplift
When air's water vapor content equals air's vapor capacity air is
Saturated
Most prevalent wind system in US
Westerlies
Which wind system best for Virginia to Portugal
Westerlies
East coast is wetter than the west coast because of
anticyclones
26. The __________ is/are where wind is slowed by friction with Earth's surface.
boundary layer
which is not found in a cyclone?
clockwise rotation in the northern hemosphere
Coriolis force is caused by
earth's rotation
The ______ is the temperature that it feels like when air is hot and high humidity
heat index temp
when isobars are close together pressure gradient
increases
when isobars are close together wind speed
increases
Which generates sea breezes
inland heating of the land
Stronger daytime heating affects valley breezes by
making them stronger
direction of the pressure gradient runs ____ to isobars
perpendicular
16. The most important factor determining wind speed and direction is
pressure force gradient
Warm air has a ____ vapor pressure than cold air
temp does not change vapor pressure
