Weather & Climate

Front 1

a better indicator of the actual amount of water vapor in the air is

Back 1

dew-point temperature

Front 2

if the air temperature remains constant, evaporating water into the air will____ the dew-point, and _____ the relative humidity.

Back 2

increase, increase

Front 3

the type of fog that results from the evaporation of falling droplets into the air is known as

Back 3

precipitation fog

Front 4

frost forms through the process of

Back 4

deposition

Front 5

when warm, moist air moves over a cold surface ____ fog may result

Back 5

radiation

Front 6

all of the following units can be used to represent humidity except

Back 6

km

Front 7

we are likely to have our highest relative humidity ____ in a day

Back 7

about sunrise

Front 8

if two temperatures read nearly the same when in a sling psychrometer, you can conclude that

Back 8

the air has a high relative humidity.

Front 9

the dw point is the temperature at which

Back 9

water vapor condenses to a liquid.

Front 10

when the air temperature increases the saturation specific humidity

Back 10

increases

Front 11

t/f-5

the relative humidity is a measure of the air's actual water vapor content

Back 11

false

Front 12

t/f -5
dew point is always given as a percent

Back 12

false

Front 13

t/f-5
relative humidity is always given as a percent

Back 13

true

Front 14

t/f-5
if you turn on your oven and open its door the increase in air temp should raise the RH inside your home

Back 14

False

Front 15

t/f-5
suppose the air temperature inside your home is 30*c and you lower it to 26*c. as a long as the moisture content of the air inside does not change, the relative humidity should increase.

Back 15

true

Front 16

t/f-5
steam fog forms as a mass of cold, dry air passes over a warm, moist surface.

Back 16

true

Front 17

t/f-5
if the temperature remains unchanged and the specific humidiyt drops, the RH will increase

Back 17

false

Front 18

t/f-5
if the specific humidity remains unchanged and the temperature drops the RH will increase

Back 18

true

Front 19

t/f-5 the absolute humidity of the air is expressed as a percent

Back 19

false

Front 20

t/f-5
the capacity of air to hold water vapor is temperature dependent.

Back 20

true

Front 21

6- The cloud best described as sheets or layers that cover much or all of the sky is termed

Back 21

stratus

Front 22

6-hail is most commonly associated with____ clouds

Back 22

cumulonimbus

Front 23

6-a wintertime form of precipitation that consists of small ice particles called

Back 23

sheets

Front 24

6-of the clouds listed below, which would most likely produce drizzle

Back 24

stratus

Front 25

6- if it is raining on one side of the street but not on the other, it is a good bet that the rain is falling from this cloud

Back 25

cumulonimbus

Front 26

6- hail forms inside of this cloud

Back 26

cumulonimbus

Front 27

6-if a parcel of unsaturated air at 15*c sinks adiabatically down for 500 meters, its temperature would be ____ at the end of its descent

Back 27

20*c

Front 28

6- the altitude at which an air parcel reaches its dew point as it rises is known as the

Back 28

lifting condensation level

Front 29

6- when an adiabatically-rising air parcel cools to a temperature that is equal to its dew point it begins to cool at

Back 29

SALR

Front 30

6- absolutely stable air prevails when the environmental lapse rate is ____ saturated adiabatic lapse rate

Back 30

less than

Front 31

6-absolutely stable air prevails when the environmental lapse rate is_____ the saturated adiabatic lapse rate

Back 31

less than

Front 32

6- a parcel of air has temp of 0*c as it crosses a mountain range at 3000 meters if it decends, it temp will be _____ when it reaches sea level

Back 32

30*c

Front 33

6- water droplets have to be frozen at 0*c

Back 33

false

Front 34

6- cold rain that falls through a rater hallow layer of subfreezing air and freezes upon striking a surface is called sleet

Back 34

false

Front 35

6- the instrument used to measure precipitation is called tipping bucket psychrometer

Back 35

false

Front 36

6- gravity has no effect on the smallest cloud droplets

Back 36

false

Front 37

6- freezing rain occurs when rain falls as liquid but freezes soon after it hits the surface

Back 37

true

Front 38

6-if you turn on your oven and open its door, the increase air temp should raise the RH in your home

Back 38

false

Front 39

6-suppose the air temp inside your home is 30*c and you lower it to 26*c. as long as the moisture content of the air inside does not change, the relative humidity should increase

Back 39

true

Front 40

6- the merging of cloud droplets by collision is called Bergerson process

Back 40

false

Front 41

7- which of the following is an example of a mesoscale

Back 41

sea breeze

Front 42

7- which of the following factors contributes to the general subsidence in the latitude zone 20* to 35*

Back 42

the coriolis

Front 43

7- most of the us is situated in ____ prevailing wind zone

Back 43

westerlies

Front 44

7- the prevailing winds that blow from the horse latitudes toward the doldrums are called

Back 44

trade winds

Front 45

7- another name for the subtropical high is

Back 45

horse latitudes

Front 46

7-the sahara desert is associated with___ pressure belt

Back 46

subtropical high

Front 47

7- when are upper air winds fastest

Back 47

in winter

Front 48

7-a santa ana chinook or foehn) wind is a

Back 48

very dry, warm wind coming down a mountain slope.

Front 49

7- the winter monsoon in eastern and southern asia is characterized by

Back 49

dry weather, winds blowing from land to sea

Front 50

an offshore wind blows from ___to___

Back 50

land, water

Front 51

t/f- 7
a sea breeze is usually best developed early in the mroning

Back 51

-false

at night

Front 52

t/f-7
the only true zonal distribution of pressure exists in the region of the subpolar low in the s. hemisphere

Back 52

true

Front 53

t/f-7
the strong siberian high becomes well developed in the summer

Back 53

false

winter

Front 54

t/f-7
the region where the trade winds met is sometimes called the doldrums

Back 54

true

Front 55

t/f-7
major el nino events only affect the weather of the eastern pacific

Back 55

false

everywhere

Front 56

t/f-7
during al el nino event, the water temp in the eastern pacific rise

Back 56

true

Front 57

t/f-7
the trade winds are found equatorward of the westerlies in both hemispheres

Back 57

true

Front 58

t/f-7
in the northern hemisphere, the major features of the general circulation shift northward in summer and southward in winter

Back 58

true

Front 59

t/f-7
average winter temp in great britain and norway would probably be much cold if it were not for the canary current

Back 59

false


golf stream

Front 60

t/f-7
normally, winds aloft are strongest during winter

Back 60

true