Clouds Flashcards

1
Q

Cs

A

Gives halo around the sun

Vale of ice crystals

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2
Q

Ac

A

Rounded, bigger than Cc, mixed water and ice, Virgo

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3
Q

Temperature range in cloud where SCWD can be found

A

0* to 20*

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4
Q

High level tropics

A

20,000 to 60,000

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5
Q

OVC

A

8 oktas

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6
Q

FEW

A

1 to 2 Oktas

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7
Q

Cloud ceiling

A

Covering more than half the sky

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8
Q

Cbcal

A

Sharp defined edges , still developing, high level 45,000 feet water droplets

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9
Q

Cum con

A

Greater vertical extent, 25,000 can easily form into cb

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10
Q

Constanillanous

A

Rising plums in the middle layer, shows instability

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11
Q

Cuhum

A

Low level, below 10,000, fair weather cu

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12
Q

Sc

A

Water droplets, mixture of cumulus and stratos, icing is increased, could get light or moderate snow

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13
Q

St

A

Low level, layered, pure water droplets, drizzle, min ice risk

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14
Q

Middle level tropics

A

6,500 to 25,000

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15
Q

Cc

A

Lumpy high level cloud

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16
Q

SCT

17
Q

Middle level cloud polar

A

6,500 to 13,000

18
Q

Cu

A

Round, fluffy, evidence of thermal activity, shows unstable air, normally classed as low level, could pose severe to moderate icing risk, can grow up to 14km

19
Q

Cummed

A

Low level, medium vertical extent

20
Q

Ns

A

Low to mid level, guaranteed precipitation, dense, high ice risk due to amount of water in it

21
Q

FRQ

22
Q

Temperature range where its majority SCWD in cloud

A

0* to -10*

23
Q

BKN

24
Q

Cb cap

A

Whispery top, ice crystals, large top, anvil

25
Cb
Cumulus grows into this, goes through all the layers, severe icing risk,
26
Ceilometer
Used to measure cloud base
27
EMBD
Embedded CB
28
WDSPD
Widespread cb
29
ISOL
Isolated cb
30
Lenticularis
Cc,Ac,Sc lens shape, product of the terrain, doesn’t move
31
Lowest level of cloud
Cloud base
32
Cum fractus
With st or cu, broken up cloud, rigid
33
High level polar regions
10,000 to 25,000
34
OCNL
Occasional
35
High level temperate
16,500 to 45,000
36
As
Grey, whitish layered cloud
37
Middle level temperate
6,500 to 23,000
38
Low level cloud
6,500 or below