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AtSc > Test 1 ?s > Flashcards

Test 1 ?s Flashcards

0
Q

Condensation ______ the air

A

Warms

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1
Q

Most freq cause of airline accidents

A

Turbulence

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2
Q

ISA temp at 3000

A

9C

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3
Q

Primary federal agency responsible for collecting weather info and making forecast

A

NOAA/National Weather Service

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4
Q

Fronts in the atmosphere always slope so that

A

Air below front is colder than the air above

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5
Q

Condition that leads to formation of clouds

A

Rising air

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6
Q

An asos bis sensor determines the prevailing vis by sampling how much of the atmosphere

A

Less than 1 cubic foot of air

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7
Q

What does R21/1600ft refer to

A

Runway visible range

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8
Q

Lowest layer of clouds broken or overcast is

A

Ceiling

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9
Q

Retinue metars are during

A

45- top of hour

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10
Q

Specis are only made when weather drops below certain minimums

A

False, it can also get better

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11
Q

What determines intensity of snow

A

Visibility

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12
Q

Ceiling if metar says VV002

A

200’

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13
Q

Under bright hazy conditions asos may report a vis that is greater than vis by humans

A

True

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14
Q

What is the greatest distance that can be seen and determined by tower

A

Surface vis

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15
Q

AWOS and asos both report meters once per hour and specis as needed

A

False AWOS is every 20 min and there are no specis

16
Q

What does M before a number in a METAR mean

A

Less than

17
Q

TSNO

A

Do not know if there is a tstorm

Because thunderstorm report system is inop

18
Q

No AUTO

A

Augmented by human observer

19
Q

P0002

A

Starts at zero with each metar, but specis add on with each other, hourly observation
.02”

20
Q

Active serve thunderstorms are found in

A

Convective sigmet

21
Q

Widespread sand or dust storms show up in

A

Sigmet

22
Q

Moderate icing

A

Airmet z

23
Q

CIG

A

Ceiling

24
Q

Serve weather outlook chart shows

A

Potential serve weather and forecast regions of thunderstorm activities

AtSc (7 decks)

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