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Meteorology > Tempurature And Heating > Flashcards

Tempurature And Heating Flashcards

1
Q

What is the average kinetic energy of an atom or molecule?

A

Temperature.

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2
Q

Celcius = ( F - 32 ) x fraction

A

5/9

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3
Q

What does a stevenson screen measure?

A

Surface air temperature.

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4
Q

How high is a Stevenson screen above the ground?

A

1.2m or 4 ft

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5
Q

A radiosonde climbs to 35km and measure three things at 1.3 second intervals.

A

Temperature / pressure / humidity.

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6
Q

What does it mean if radiation has shorter wavelength in regards to intensity?

A

Hotter the object or more intense.

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7
Q

What does the acronym silo mean in regards to radiation?

A

Shortwave in longwave out.

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8
Q

When is the hottest time of the day?

A

3pm.

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9
Q

What part of the day is it the coldest?

A

An hour after sunrise.

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10
Q

What is earth insolation?

A

Sun heating the earths surface.

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11
Q

What is Perihelion on the 4th of jan?

A

When sun is closest to the earth.

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12
Q

What is aphelion on the 4th of july?

A

Earth is furthest from the sun.

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13
Q

What is the ITCZ?

A

A band of low pressure.

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14
Q

What percentage of solar radiation reaches the earths surface?

A

85%.

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15
Q

What causes scattering of solar radiation?

A

Atmospheric particles.

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16
Q

What is albedo?

A

Surface reflectivity.

17
Q

What is the earths average albedo as percentage?

A

31%.

18
Q

Energy transfer from advection is what direction of movement?

A

Horizontal movement.

19
Q

Condensation releases what type of heat?

A

Latent.

20
Q

What is the heat energy required to make a change in state?

A

Latent heat.

21
Q

What is diurnal variation?

A

The variation in surface tempurature.

22
Q

Will cloud cover result in colder or warmer minimum?

A

Warmer minimum.

23
Q

If it is windy at night, is the temperature going to be higher or lower than normal?

A

Higher.

24
Q

An inversion is a layer of air in which tempurature increases with blank.

A

Height.

25
Q

What type of air is at the bottom of a valley?

A

Cooler air.

26
Q

What is a katabatic wind?

A

Winds coming down mountains due to it cooling.

27
Q

Why does fog form in valleys?

A

Cooler air cannot hold onto moisture very well.

28
Q

What does a cold front bring when it meets tropical air?

A

CB or thunderstorms.

29
Q

What weather happens in a warm front when it meets a cooler front?

A

Drizzle or rain.

30
Q

A subsidence inversion see you travel from what temperature to what temperature?

A

Cool to warm.

31
Q

What is a wind shear?

A

Reduction in air density.

32
Q

What are the primary factors driving heat transfer from the ground to the lower levels of the atmosphere?

A

Conduction and turbulence.

Meteorology (22 decks)

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