Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
In middle latitudes, which cloud will have the lowest base?
Altostratus Altocumulus Cirrostratus Stratocumulus |
Stratocumulus
|
|
The fog that often forms on along the Pacific coast of North America is....
|
Advection Fog
|
|
The fog that often forms above a lake in the fall and winter is...
|
Evaporation (steam) Fog
|
|
During the ice crystal process of precipitation formation, ice crystals grow.......... while the surrounding liquid droplets get.........
|
larger, smaller
|
|
Particles that serve as surfaces on which water vapopr may condense are called....
|
Condensation Nuclei
|
|
In middle and high latitudes, the MOST effective method of precipitation formation is....
|
The ice crystal process
|
|
Cloud seeding is designed to trigger which precipitation forming process?
|
The ice crystal process
|
|
In the winter you read in the newspaper that a large section of the Midwest is without power due to downed power lines. Which form of precipitiation is most likely to produce this situation?
|
Freezing rain
|
|
The intensity of snowfall is based on...
|
Visibility
|
|
Radar gathers information about precipitation in clouds by measuring the....
|
amount of energy reflected back to the radar unit.
|
|
Satellite images of clouds at night use...
|
emitted infrared radiation
|
|
To correctly monitor horizontal changes in air pressure, the most important correction for atmospheric pressure measurements at the earth's surface is...
|
Altitude
|
|
The amount of pressure change that occurs over a given horizontal distance is called the....
|
Pressure Gradient
|
|
Suppose that at St. Paul, Minnesota (latitude 45 degrees N), the winds at 500mb are geostrophic and blowing from the north. With the same orientation if isobars at the surface, the winds at St. Paul would blow from the...
|
Northwest
|
|
The hydrostatic equation describes the equilibrium between the...
|
vertical pressure gradient force and gravity.
|
|
Two places at the same elevation have the same sea level pressure but at STATION A the surface temperature is 8C while at STATION B the surface temperature is 18C. If all other things remain constant, at 1000 meters above the surface the pressure at STATION A would be .......... the pressure at STATION B.
|
less than
|
|
Lines connecting points of equal temperature are...
|
isotherms
|
|
The contour lines drawn on a 500mb map are lines of constant...
|
Height
|
|
The pressure gradient force is directed from higher toward lower pressure where?
|
at all places on earth
|
|
The surface wind flow pattern around the isobars in the adjacent diagram represents...
Circle with arrows moving counter clockwise. |
A high pressure center in the Southern Hemisphere
|
|
A wind that blows at a constant speed parallel to straight isobars is called a...
|
geostrophic wind
|
|
Which of the following produces the strongest Coriolis Force?
Fast winds, low latitude Fast winds, high latitude Slow winds, low latitude Slow winds, high latitude |
Fast winds, high latitude
|
|
We can generally expect air to be ...... above areas of surface low pressure and ........ above areas of surface high pressure.
|
Rising, sinking
|
|
On an upper-level map, normally we find warm air associated with ......... heights and cold air associated with ....... heights.
|
High, low
|
|
On an upper-level map (such as a 500 mb map) the wind tends to blow....
|
Parallel to the contour lines (whether curved or straight)
|
|
A wind that blows from the land to the sea is called a....
|
Land breeze
|
|
You see clouds and precipitation occurring on the downwind side of a large lake. This would indicate that the air on the downwind side of the lake is...
|
converging and rising
|
|
In summer, where would you expect to find semipermanent high pressure areas?
|
Over the ocean, because the ocean tends to be cooler than the land at this time of year.
|
|
In the three-cell model of the general circulation, areas of surface high pressure should be found near....
|
30 degrees latitude and the poles
|
|
In Honolulu, Hawaii (latitude 21 degrees N), you would expect the prevailing winds to be from the....
|
Northeast
|
|
The polar jet stream flows....
|
in a wavy pattern from west to east.
|
|
This is a middle level cloud that spreads across the sky as a sheet.
|
Altostratus
|
|
A high, thin, "feathery" cloud.
|
Cirrus
|
|
An artificial cloud.
|
Contrail
|
|
A low cloud that is associated with steady precipitation.
|
Nimbostratus
|
|
A tall cloud that is producing thunder and lightning.
|
Cumulonimbus
|
|
A halo is often associated with this cloud.
|
Cirrostratus
|
|
Which force causes surface winds to spiral toward the center of low pressure and becomes insignificant as we move away from the earth's surface?
|
Friction
|
|
Which force initially causes the winds to blow?
|
The Pressure Gradient Force
|
|
Which force depends on the speed of the earth's rotation?
|
The Coriolis Force
|