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ATPL - BGS [Mod 1] Meteorology > 09. Cloud Types Part 1 > Flashcards

09. Cloud Types Part 1 Flashcards

1
Q

Cloud Types

Clouds forming in stable air are VERTICAL or LAYERED

A

LAYERED

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2
Q

Cloud Types

Clouds forming in unstable air are VERTICAL or LAYERED

A

VERTICAL

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3
Q

Cloud Types

Layered clouds are given the name STRATUS or CUMULUS

A

STRATUS

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4
Q

Cloud Types

Vertical clouds are given the name STRATUS or CUMULUS

A

CUMULUS

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5
Q

Cloud Types

For temperate regions, a “low” cloud base below 6500 ft (2000 m) is given what prefix?

A

NONE

  • For temeprate regions, low cloud with a base below 6500 ft (2000 m) above ground level (agl) carries no prefix
  • If the cloudbase is over 6500 ft agl, it is classified as “medium” cloud and the cloud name is prefixed with ALTO-
  • If the cloudbase is over 16,500 ft (5000m) agl, the clouds are called “high”cloud and given the prefiex CIRRO

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6
Q

Cloud Types

For temperate regions, a cloudbase over 6500 ft is given what prefix

A

ALTO

  • For temeprate regions, low cloud with a base below 6500 ft (2000 m) above ground level (agl) carries no prefix
  • If the cloudbase is over 6500 ft agl, it is classified as “medium” cloud and the cloud name is prefixed with ALTO-
  • If the cloudbase is over 16,500 ft (5000m) agl, the clouds are called “high”cloud and given the prefiex CIRRO

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7
Q

Cloud Types

For temperate regions, a cloudbase over 16,500 ft (5000m) agl is given what prefix

A

CIRRO

  • For temeprate regions, low cloud with a base below 6500 ft (2000 m) above ground level (agl) carries no prefix
  • If the cloudbase is over 6500 ft agl, it is classified as “medium” cloud and the cloud name is prefixed with ALTO-
  • If the cloudbase is over 16,500 ft (5000m) agl, the clouds are called “high”cloud and given the prefiex CIRRO

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8
Q

Cloud Types

Height ranges of clouds vary with what in relation to positions on the planet

A

LATITUDE

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9
Q

Cloud Types

What is the cloud level for the following cloud Genera, defined as LOW

Stratus
Stratocumulus
Cumulus
Cumulonimbus

A

0 - 65,000 ft
(2 km)

CLOUD LEVEL TABLE

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10
Q

Cloud Types

What is the cloud level for the following cloud Genera, defined as MIDDLE

Altocumulus
Altostratus
Numbostratus

A

6,500 ft to 23,000 ft
(2 - 7 KM)

CLOUD LEVEL TABLE

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11
Q

Cloud Types

What is the cloud level for the following cloud Genera, defined as HIGH

Cirrus
Cirrocumulus
Cirrostratus

A

16,500 ft - 45,000 ft
(5 - 13 km)

CLOUD LEVEL TABLE

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12
Q

Cloud Types

For a temperate region, which clouds fall into the LOW level that have bases between 0 - 65,000 ft (2km) from the earths surface;

[ ] Nimbostratus
[ ] Alotstratus
[ ] Status
[ ] Altocumulus
[ ] Stratocumulus
[ ] Cumulus
[ ] Cirrocumulus
[ ] Cirrostratus
[ ] Cumulonimbus
[ ] Cirrus

A

[ ] Nimbostratus
[ ] Alotstratus
[X] Status
[ ] Altocumulus
[X] Stratocumulus
[X] Cumulus
[ ] Cirrocumulus
[ ] Cirrostratus
[X] Cumulonimbus
[ ] Cirrus

CLOUD LEVEL TABLE

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13
Q

Cloud Types

For a temperate region, which clouds fall into the MIDDLE level that have bases between 6500 - 23,000 ft (2-7 km);

[ ] Nimbostratus
[ ] Alotstratus
[ ] Status
[ ] Altocumulus
[ ] Stratocumulus
[ ] Cumulus
[ ] Cirrocumulus
[ ] Cirrostratus
[ ] Cumulonimbus
[ ] Cirrus

A

[X] Nimbostratus
[X] Alotstratus
[ ] Status
[X] Altocumulus
[ ] Stratocumulus
[ ] Cumulus
[ ] Cirrocumulus
[ ] Cirrostratus
[ ] Cumulonimbus
[ ] Cirrus

CLOUD LEVEL TABLE

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14
Q

Cloud Types

For a temperate region, which clouds fall into the HIGH level that have bases between 16,500 - 45,000 ft (5-13 km);

[ ] Nimbostratus
[ ] Alotstratus
[ ] Status
[ ] Altocumulus
[ ] Stratocumulus
[ ] Cumulus
[ ] Cirrocumulus
[ ] Cirrostratus
[ ] Cumulonimbus
[ ] Cirrus

A

[ ] Nimbostratus
[ ] Alotstratus
[ ] Status
[ ] Altocumulus
[ ] Stratocumulus
[ ] Cumulus
[X] Cirrocumulus
[X] Cirrostratus
[ ] Cumulonimbus
[X] Cirrus

CLOUD LEVEL TABLE

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15
Q

Cloud Types

Most clouds are confirmed within their level with the following noteable exceptions’

  1. ____ is usually found in the middle level, but it often extends higher
  2. ____ is almost always found in the middle level, but it can extend into the other two levels
  3. ____ and ____ usually have their bases in the low level, but their vertical extent isoften so great that their tops may reach into the middle and high levels
A
  1. ALTOSTRATUS
  2. NUMBOSTRATUS
  3. CUMULUS and CUMULONIMBUS

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16
Q

Cloud Types

Cirrus clouds contain WATER or ICE CRYSTALS

A

ICE CRYSTALS

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17
Q

Cloud Types

Icing conditions are MODERATE or SEVERE or NON EXISTENT in Cirrus clouds

A

NON EXISTENT

  • clouds contain ice crystals, not liquid water

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18
Q

Cloud Types

“Detached clouds of white, delicate, feathery or fibrous apperance or white patches or bands. They appear to move without any significant change in the form or shape”

This is a definition of what cloud type

A

CIRRUS
(Ci)

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19
Q

Cloud Types

“A transparent white viel, not thick enough to obscure the sun or moon. Sunlight passing through it is strong enough that shadows are still visible on the grond. The ice crystals refract the light to produce haloes around the sun or moon”

This is a definition of what cloud type

A

CIRROSTRATUS
(Cs)

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20
Q

Cloud Types

“Regular, thin patches of high cloud, without shadows, with regular ripples or lumps. Most of the elements have an apparent width of less than one degree, the apparent width of a little finger held at arms length”

This is a definition of what cloud type

A

CIRROCUMULUS
(Cc)

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21
Q

Cloud Types

“Medium level clouds, clouds of water or of a mixture of water and ice particles. On eor more layers of cloud comprising lumps or rolls which are often more or less merged and coloured white or grey”

This is a definition of what cloud type

A

ALTOCUMULUS
(Ac)

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22
Q

Cloud Types

“Greyish or bluish cloud sheet or layer of striated, fibrous or unitform appearance, totally or partyle covering the sky, and having parts thin enough to reveal the sun at least vaguely, as though through ground glass. Light rain from thick varients may reach the ground”

This is the definition of what cloud type

A

ALTOSTARTUS
(As)

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23
Q

Cloud Types

*“In general, grey or whitish in apperance it may cover the sky completely or by patchy. It is composed of rounded masses or rolls, which may or may not merge, these are often aligned in waves.

Though mainly formed by turbulence, it may also be formed as cumulus dies down and spreads out in the evening before dispersing. Turbulent types of this cloud can lead to moderate to servere icing conditions if the temperatures are just below freezing”*

This is the definition of what cloud type

A

STRATOCUMULUS
(Sc)

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ATPL - BGS [Mod 1] Meteorology (27 decks)

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