Meteorology Test 2

Front 1

In middle latitudes, which cloud will have the lowest base?
Altostratus
Altocumulus
Cirrostratus
Stratocumulus

Back 1

Stratocumulus

Front 2

The fog that often forms on along the Pacific coast of North America is....

Back 2

Advection Fog

Front 3

The fog that often forms above a lake in the fall and winter is...

Back 3

Evaporation (steam) Fog

Front 4

During the ice crystal process of precipitation formation, ice crystals grow.......... while the surrounding liquid droplets get.........

Back 4

larger, smaller

Front 5

Particles that serve as surfaces on which water vapopr may condense are called....

Back 5

Condensation Nuclei

Front 6

In middle and high latitudes, the MOST effective method of precipitation formation is....

Back 6

The ice crystal process

Front 7

Cloud seeding is designed to trigger which precipitation forming process?

Back 7

The ice crystal process

Front 8

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?

Back 8

Freezing rain

Front 9

The intensity of snowfall is based on...

Back 9

Visibility

Front 10

Radar gathers information about precipitation in clouds by measuring the....

Back 10

amount of energy reflected back to the radar unit.

Front 11

Satellite images of clouds at night use...

Back 11

emitted infrared radiation

Front 12

To correctly monitor horizontal changes in air pressure, the most important correction for atmospheric pressure measurements at the earth's surface is...

Back 12

Altitude

Front 13

The amount of pressure change that occurs over a given horizontal distance is called the....

Back 13

Pressure Gradient

Front 14

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...

Back 14

Northwest

Front 15

The hydrostatic equation describes the equilibrium between the...

Back 15

vertical pressure gradient force and gravity.

Front 16

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.

Back 16

less than

Front 17

Lines connecting points of equal temperature are...

Back 17

isotherms

Front 18

The contour lines drawn on a 500mb map are lines of constant...

Back 18

Height

Front 19

The pressure gradient force is directed from higher toward lower pressure where?

Back 19

at all places on earth

Front 20

The surface wind flow pattern around the isobars in the adjacent diagram represents...
Circle with arrows moving counter clockwise.

Back 20

A high pressure center in the Southern Hemisphere

Front 21

A wind that blows at a constant speed parallel to straight isobars is called a...

Back 21

geostrophic wind

Front 22

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

Back 22

Fast winds, high latitude

Front 23

We can generally expect air to be ...... above areas of surface low pressure and ........ above areas of surface high pressure.

Back 23

Rising, sinking

Front 24

On an upper-level map, normally we find warm air associated with ......... heights and cold air associated with ....... heights.

Back 24

High, low

Front 25

On an upper-level map (such as a 500 mb map) the wind tends to blow....

Back 25

Parallel to the contour lines (whether curved or straight)

Front 26

A wind that blows from the land to the sea is called a....

Back 26

Land breeze

Front 27

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...

Back 27

converging and rising

Front 28

In summer, where would you expect to find semipermanent high pressure areas?

Back 28

Over the ocean, because the ocean tends to be cooler than the land at this time of year.

Front 29

In the three-cell model of the general circulation, areas of surface high pressure should be found near....

Back 29

30 degrees latitude and the poles

Front 30

In Honolulu, Hawaii (latitude 21 degrees N), you would expect the prevailing winds to be from the....

Back 30

Northeast

Front 31

The polar jet stream flows....

Back 31

in a wavy pattern from west to east.

Front 32

This is a middle level cloud that spreads across the sky as a sheet.

Back 32

Altostratus

Front 33

A high, thin, "feathery" cloud.

Back 33

Cirrus

Front 34

An artificial cloud.

Back 34

Contrail

Front 35

A low cloud that is associated with steady precipitation.

Back 35

Nimbostratus

Front 36

A tall cloud that is producing thunder and lightning.

Back 36

Cumulonimbus

Front 37

A halo is often associated with this cloud.

Back 37

Cirrostratus

Front 38

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?

Back 38

Friction

Front 39

Which force initially causes the winds to blow?

Back 39

The Pressure Gradient Force

Front 40

Which force depends on the speed of the earth's rotation?

Back 40

The Coriolis Force