Ch.13 Flashcards

1
Q

The state of the atmosphere at a given time____

A

Weather

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2
Q

Steps of the water cycle

A

precipitation - runoff - evaporation- water vapor condensation

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3
Q

flat, white and layered

A

stratus

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4
Q

What altitudes are status clouds at

A

up to 2000

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5
Q

fluffy, heaped, piled up

A

comulus

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6
Q

wispy

A

citrus

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7
Q

what altitude are citrus clouds at

A

above 6,000

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8
Q

what is used to measure the temperature

A

thermometer

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9
Q

what measures relative humidity

A

hygrometer

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10
Q

what measures pressure

A

barometer

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11
Q

what measures dew point

A

phscometer

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12
Q

what measures humidity

A

grams of water per molecule of air

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13
Q

used to measure the avg. of the kinetic energy of molecules in the air

A

temprature

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14
Q

force that applies a column of air applies on the surface below it

A

pressure

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15
Q

amount of water vapor in air

A

humidity

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16
Q

amount of water vapor present in the air compared to the maximum you amount the air could contain

A

relative humidity

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17
Q

temp at which air is saturated and condensation can occur

A

dew point

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18
Q

what unit is temperature in

A

degrees

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19
Q

what unit is relative humidity in

A

percent

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20
Q

what unit is pressure in

A

millibars

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21
Q

what unit is dew point in

A

degreess

22
Q

what unit is humidity in

A

per cubic

23
Q

how do you calculate an amount

A

turn percent into decimal (80 - .8) times the amount at 100%

24
Q

how to figure out percent

A

water vapor number (2g/cm3) divided by what is 100% at that degre3 and then multiplied by 100

25
Q

cold dense air sinks towards surface

A

high pressure

26
Q

brings clear skies and nice weather

A

high pressure

27
Q

what pressure brings warm air

A

high pressure

28
Q

warm air rises

A

low pressure

29
Q

forms clouds with rain and snow

A

low pressure

30
Q

an air mass is identified by ____

A

where they form

31
Q

bitter cold and dry

A

artic

32
Q

cold and dry

A

continental polar

33
Q

cold humid

A

maritime polar

34
Q

warm and dry

A

continental tropical

35
Q

warm and humid

A

maritime tropical

36
Q

where do maritime masses form

A

water

37
Q

cold dense air displaces warm air

A

cold front

38
Q

what do cold fronts bring

A

clouds and showers

39
Q

do warm or cold fronts rise fast

A

cold fronts

40
Q

warm air displaces cold air

A

warm front

41
Q

what do warm fronts bring

A

clear or light clouds and precipitation

42
Q

cold air rapidly overtakes warm front and towards another cold front

A

occulded front

43
Q

air masses don’t change

A

stationary

44
Q

what do wind socks measure

A

wind direction

45
Q

used radio waved to bounce off precipitation

A

radiosonde

46
Q

what front is triangles

A

cold front

47
Q

what front is semi circles

A

warme front

48
Q

what front are they on the same side

A

occulded

49
Q

what front are they on different sides

A

stationary

50
Q

Anemotmeter

A

WInd speed