Weather Quiz 1 Flashcards

1
Q

Celsius to Fahrenheit conversion

A

9/5 * C + 32

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2
Q

Fahrenheit to celsius conversion

A

5/9 * (F-32)

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3
Q

most important components of the atmosphere to aviation

A

Water vapor, ozone, oxygen, nitrogen

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4
Q

Primary unity of the meteorological community

A

Milibars

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5
Q

In what way is MSL rather than station pressure more appropriate

A

MSL accounts for different elevations at which the surface is measured at various locations

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6
Q

Layers of atmosphere in order

A

troposphere (colder)
stratosphere (warmer)
mesosphere (colder)
thermosphere (warmer)

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7
Q

What comes with temperature inversions

A

fog/smog
windy below, calm above
freezing rain

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8
Q

Line of constant temperature

A

isotherm

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9
Q

50F = ?C

A

10C

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10
Q

Where is surface temperature taken?

A

1.5 M above the ground and in the shade, typically on a grass surface

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11
Q

what is a temperature gradient

A

change in temperature over a specific distance

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12
Q

What is the altitude range of the troposphere?

A

surface - 36,000 ft

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13
Q

what is the pressure range in the troposphere

A

1000 mb to 250mb

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14
Q

What are the methods for transferring energy

A

conduction
convection
advection
latent heating
radiative heat transfer

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15
Q

What is conduction

A

transfer of energy between things in contact with each other

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16
Q

what is convection

A

transfer of energy upward as air rises

17
Q

what is advection

A

horizontal transfer of energy (warm air replacing cold air with wind)

18
Q

what is latent heating

A

energy absorbed / released when water changes phases

19
Q

what is radiative heat transfer

A

energy from the sun (or fire) absorbed by things in it’s path

20
Q

Rising air always ____ and ____

A

expands, cools
(kinetic energy decreases)

21
Q

vapor pressure

A

force per area applied by only the water vapor molecules

22
Q

mixing ratio

A

ratio of the amount of water contained in a given amount of air

23
Q

dew point

A

temperature to which air would need to be cooled to become saturated

clouds, fog, dew forms if temperature reaches this point

24
Q

dew point depression

A

numerical difference between temperature and dew point

25
Q

deposition

A

gas to solid

26
Q

sublimation

A

solid to gas