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

A

3-4 oktas

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

A

Frequent

22
Q

Temperature range where its majority SCWD in cloud

A

0* to -10*

23
Q

BKN

A

5-7 oktas

24
Q

Cb cap

A

Whispery top, ice crystals, large top, anvil

25
Q

Cb

A

Cumulus grows into this, goes through all the layers, severe icing risk,

26
Q

Ceilometer

A

Used to measure cloud base

27
Q

EMBD

A

Embedded CB

28
Q

WDSPD

A

Widespread cb

29
Q

ISOL

A

Isolated cb

30
Q

Lenticularis

A

Cc,Ac,Sc lens shape, product of the terrain, doesn’t move

31
Q

Lowest level of cloud

A

Cloud base

32
Q

Cum fractus

A

With st or cu, broken up cloud, rigid

33
Q

High level polar regions

A

10,000 to 25,000

34
Q

OCNL

A

Occasional

35
Q

High level temperate

A

16,500 to 45,000

36
Q

As

A

Grey, whitish layered cloud

37
Q

Middle level temperate

A

6,500 to 23,000

38
Q

Low level cloud

A

6,500 or below