weather quiz 2 Flashcards

(28 cards)

1
Q

what determines how much water vapor air can hold

A

temperature

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2
Q

what is relative humidity

A

the ratio of actual water content to the maximum possible water content at that temp

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3
Q

temperature to which air must be cooled to become saturated by the water vapor already present in the air

A

dew point

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4
Q

solid to gas

A

sublimation

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5
Q

gas to solid

A

deposition

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6
Q

4 types of precipitation

A

snow
hail
sleet
rain

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7
Q

if and AirPort is reporting precipitation, expect clouds to be more than _______ ft thick

A

4000 ft

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8
Q

fog is formed when the temperature dew point spread is

A

3*C or less

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9
Q

a stable atmosphere __________ vertical displacement

A

resist

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10
Q

an unstable atmosphere _________ vertical displacement

A

allows

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11
Q

T/F: Thunderstorms may be embedded in stratiform clouds formation

A

true

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12
Q

turbulence is usually encountered _______ cumulus clouds

A

below

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13
Q

clouds formed by vertical currents in unstable air are _______.

A

Cumulus

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14
Q

Clouds formed by the cooling of a stable layer are

A

stratus

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15
Q

the prefix nimbus means

A

rain cloud

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16
Q

the most dangerous cloud by far is the

17
Q

when flying near CB clouds, always fly on the _________ side

18
Q

the zone between two different air masses is known as

19
Q

what 3 things always change across a front

A

temp
wind
pressure

20
Q

4 principal types of fronts are

A

cold front
worm front
stationary front
occluded front

21
Q

what are the most dangerous characteristics of a warm front

A

embedded thunderstorms

22
Q

high clouds are called

23
Q

water vapor is

24
Q

air that can not hold any more water is considered

25
if water remains in a liquid state at temps below freezing it is said to be
super cooled
26
clouds give indications of what
wind direction stability moisture
27
the area over which the air mass acquires its identifying characteristics is known as its
source region
28
normally associated with a cold front , a _________ _________ precedes frontal passage and can contain ________ _________
squall lines | severe thunderstorms