Flashcards
METR final 2
Cards in this deck (41)
- 1Surface high pressure zones are usually asociated with: A. diverging surface winds B. decending (down) air currents C. clear weather D. relatively dry conditions E. All of the AboveAll of the Above
- 2Many of the would's great desearts exist between 20' and 35' latitude due to: A. sinking air from the Polar cell B. subsiding air that is part of the Hadley cell C. rising air at these latitudes D. santa Sna winds E. trade winds that remove moisture from the airsubsiding air that is part of the Hadley cell
- 3The Intertropical Convergence Zone (ITCZ): a. is also known as the Horse Latitudes b. migrates seasonally with the direct rays of the Sun c. is characterized by sinking air from aloft and clear conditions d. all of these are correct.migrates seasonally with the direct rays of the Sun
- 4Geostrophic wind is a wind where there is a balance bwtween the pressure gradient force and the Coriolis force with no friction. a. true b. falsetrue
- 5Most precipitation that falls in the middle latitudes is formed by: a. the Bergeron process b. collision-coalescence c. spontaneous freezing of water droplets d. condensation of water aporthe Bergeron process
- 6Which of the following surface pressure systems has a wind circulation pattern where the horizontal winf is counterclockwise, and the vertical winds are upward, away from the surface? a. Southern hemisphere high b. Northern hemisphere low c. Northern hemisphere high d. Southern hemisphere lowNortheren hemisphere low
- 7The pressure gradient force is directed from higher to lower pressure in the Northern Hemisphere and from higher to lower (lower to higher) pressure in the Southern Heisphere. a. true b. falsetrue
false (lower to higher) - 8The wind direction in a low (high) pressure system is a. from the south b. from the north c. from the east d. from the northwest e. depenent on your location relative to the pressure centerdependent on your location relative to the pressure center
- 9If the isobars on the current surface weather map are spaced close together (far apart) in your area, the winds will most likely be: a. strong b. weak c. moist d. drystrong
weak (far apart) - 10Surface low pressure zones are usually asociated with: A. diverging surface winds B. ascending (upward) air currents C. clear weather D. relatively dry conditions E. none of theseascending (upward) air currents
- 11An upsloping mountain wind develops during the ___ time, in response to the development of a small - scale thermal ___ pressure over the mountains. a. day...low b. day...high c. night...high d. night...lowday...low
- 12Low (high) pressure systems are associated with subsidence (sinking) at the surface. a. true b. falsefalse
true (high) - 13What phase changes most likely take place on a sunny day with snow on the ground? a. condensation, deposition, freezing b. sublimation, deposition, freezing c. sublimation, evaporation, melting d. melting, evaporation, condensationsublimation, evaporation, melting
- 14Which of the following will casue a change in relative humidity? a. changing the amount of water vapor b. changing the air pressure c. changing the temperature d. none of the above e. a and ca and c
- 15If the temperature gets colder (warmer), and the dew point temperature increases (decreases), the relative humidity will do which of the following? a. rise b. fall c. remain constant d. cannot be determined from above informationrise
fall (warmer, decreases) - 16Using the general atmospheric circulation model, what pressure system is located at 30' (60') north latitude during an equinox period? a. low pressure b. high pressurehigh pressure
low pressure (60') - 17Using the general atmospheric circulation model, the pressure system answered in question above question would be further to the _____ dueing the winter solstice period? a. south b. north c. it would not change locationit would not change location
- 18Generally speaking, when does the maximum relative humidity occur? a. 6am b. 3pm c. noon d. 8pm6am
- 19Which of the following processes uses the most energy? a. condensation b. sublimation c. evaporation d. meltingsublimation
- 20If a sample of air has a mixing ratio of 10g/kg, and a saturation mixing ratio of 10g/kg (20g/kg), what is the relative humidity? a. 10% b. 20% c. 50% d. 100%100%
50% (20g/kg) - 21If an observer in the Northern Hemisphere is facing north and the wind is at the observer's back, where is the low pressure? a. to the right of the observer b. to the left of the observerto the left of the observer
- 22Winds in the earth's atmosohere are fundamentally caused by a. frontal storm system b. ocean currents c. heating of the ozone layer d. gravity e. pressure contrasts between different locationspressure contrasts between different locations
- 23Which of the following would be an appropriate cloud type associated with storms (fog)? a. cumulus b. cumulonimbus c. stratus d. cirruscumulonimbus
stratus (fog) - 24The heat Index is based on the concept that the human skin is affected by evaporation associated with very high temperatures and moisture. a. true b. falsetrue
- 25Mesoscale wind circulations (e.g., land-sea breeze) are fundamentally casued by: a. differential heating b. general circulation c. coriolis force d. latent heatdifferential heating
- 26In either the Northern or Southern Hemisphere, an anti-cyclonic (cyclonic) flow means: a. any clockwise wind flow b. any counterclockwise wind flow c. circulation around a low pressure center d. circulation around a high pressure center el any strong windcirculation around a high pressure center
circulation around a low pressure center (cyclonic) - 27Unstable (stable) air is caused by a rising parcel of a being warmer (colder) than the environmental air and rising. a. true b. falsetrue
- 28The Coriolis force occurs becasue of Earth's: a. magnetic field b. atmospheric composition c. rotation d. dense corerotation
- 29A geostrophic wind: a. flows perpendicular to the pressure gradient force b. is usually not affected by the Coriolis force c. is strongly influrnced by friction d. follows the pressure gradient force e. flows in the grosphereflows perpendicular to the pressure gradient force
- 30The Intertropical Convergence Zone (ITCZ) is characterized by: a. convergence and uplift of warm surface air b. convergence and subsidence of cold surface air c. divergence and uplift of warm surface air d. divergence and subsidence of cold surface airconvergence and uplift of warm surface air
- 31A surface low pressure system is always associated with convergence (divergence) at the surface. a. true b. falsetrue
false (divergence) - 32Ocean currents do not (generally) follow similar patterns to general atmospheric circulation. a. true b. falsefalse
true (generally) - 33Which of the following changes of the state of water absorbs energy? a. condensation b. evaporation c. freezing d. depositionevaporation
- 34If the environmental lapse rate is between that of the dry and wet rates, which situation is said to exist in therns of stability? a. absolute stability b. absolute instability c. conditional instability d. neutral stabilityconditional instability
- 35Which of the following would cause relative humidity to decrease? a. adiabatic warming of the air b. adiabatic cooling the air c. adding water vapor to the air d. increasing the mixing ratioadiabatic warming of the air
- 36In which of the following situations is the amount of water vapor in the atmosphere the highest? a. when the relative humidity is 50 percent. b. when the relative humidity is 70 percent. c. when the relative humidity is 90 percent. d. we cannot tell without knowing the temperature in each situation. e. the amount of water vapor in the atmosphere is the same for all of these situations.we cannot tell without knowing the temperature in each situation.
- 37The wet adiabatic lapse rate is different from the dry adiabatic lapse rate becasue: a. an air parcel expands more rapidly when saturated. b. latent heat is released inside an air parcel of rising satuated air c. saturated air is always unstable.latent heat is released inside an air parcel of rising saturated air
- 38Which of the following is not a mechanism for cloud formation a. orograohic lifting b. convergence c. frontal wedging d. convective lifting e. all the above are mechanisms for cloud formationall the above are mechanism for cloud formation
- 39On average, for every 1000m increase in altitude in the troposphere unsaturated air temperature: a. drops about 10'c b. rises about 10'c c. remains unchanged for the first 500m and then drops d. rises by day and drops by nightdrops about 10'c
- 40Most of the United States is situated in which zone of prevailing winds? a. trade winds b. subpolar easterlies c. westerlies d. doldrums e. none of thesewesterlies
- 41A cirrus type of cloud would be classified to what cloud level? a. low level cloud b. middle level cloud c. high level cloud d. multi-level cloudhigh level cloud
Information
- Description
- Flashcards on METR final 2, created by choi.jiwon93 on 30/04/2016.
- Created by
- choi.jiwon93
- Views
- 1
- Rating