Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BFS - Meteorology > C17 - Air Masses > Flashcards

C17 - Air Masses Flashcards

1
Q

Define Air Mass?

A

Constant values for Humidity and Temperature in a horizontal plane.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How does an Air Mass obtain its properties?

A

Over the surface/source.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When an Air Mass moves across a warmer surface, what happens to the ELR, Stability and Humidity (3)?

A
  • ELR = Increasing.
  • Stability = More Unstable.
  • Humidity = Decrease.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When an Air Mass moves across a colder surface, what happens to the ELR, Stability and Humidity (3)?

A
  • ELR = Decreasing.
  • Stability = More Stable.
  • Humidity = Increase.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What characteristics will you find in Polar Regions (2)?

A
  • Very Cold.

- Dry.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What characteristics will you find in Temperate Regions (2)?

A
  • Cold.

- Wet.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What characteristics will you find in Arid Desert Regions (2)?

A
  • Hot.

- Dry.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What characteristics will you find in Tropic Regions (3)?

A
  • Moist.
  • Hot.
  • Humid.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False. Surface transfer their heat and humidity properties to the air above them?

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Name two classification which describes the humidity of an Air Mass?

A
  • Maritime.

- Continental.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Name four classifications which describes the temperature of an Air Mass?

A
  • Equatorial.
  • Tropical.
  • Polar.
  • Arctic/Antarctic.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False. Warm Maritime Air Masses are very humid and saturated?

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or False. Continental Air Masses are drier than Warm Maritime?

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What type of Air Mass is mP?

A

Polar Maritime.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of Air Mass is cT?

A

Tropical Continental.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What type of Air Mass is mE?

A

Equatorial Maritime.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What type of Air Mass is cAA?

A

Antarctica Continental.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What type of Air Mass is mT?

A

Tropical Maritime.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What type of Air Mass is cP?

A

Polar Continental.

20
Q

What type of Air Mass is rmP?

A

Returning Polar Maritime.

21
Q

What is the source region of a Tropical Maritime?

A

Sub-Tropical High Pressure over the Azores High.

22
Q

What are the characteristics of a Tropical Maritime (2)?

A
  • Warm.

- Very Moist.

23
Q

When a Tropical Maritime Air Mass moves into Europe, what happens to the Stability?

A

Becomes more Stable.

24
Q

During Winter, what can we expect from a Tropical Maritime Air Mass in terms of Weather and Clouds (2)?

A
  • Fog/Low Clouds.

- Poor Visibility.

25
Q

During Summer, what can we expect from a Tropical Maritime Air Mass in terms of Weather and Clouds (2)?

A
  • No Cloud.

- Good Visibility.

26
Q

What is the source region of a Tropical Continental?

A

Northern Africa/Southern Europe.

27
Q

What are the characteristics of a Tropical Continental (2)?

A
  • Warm.

- Low Humidity.

28
Q

When a Tropical Continental Air Mass moves into high latitudes, what happens to the Stability?

A

Becomes more Stable.

29
Q

True or False. The Tropical Continental Air is dry which prevents Cloud Formation and with High Temperatures produce Clear Skies?

A

True.

30
Q

What is the source region of a Polar Maritime?

A

Polar Region.

31
Q

What are the characteristics of a Polar Maritime (2)?

A
  • Very Cold.

- Dry.

32
Q

When a Polar Maritime Air Mass moves into Europe, what happens to the Stability?

A

Becomes more Unstable.

33
Q

During Summer, what can we expect from a Polar Maritime Air Mass?

A

Uplifting/Thunderstorms.

34
Q

What is the source region of an Arctic Maritime?

A

Arctic Region.

35
Q

What are the characteristics of an Arctic Maritime (2)?

A
  • Cold.

- Less Moist.

36
Q

What weather can we expect from an Arctic Maritime Air Mass?

A

Cumuliform Clouds.

37
Q

What is the source region of a Returning Polar Maritime?

A

Polar Region via Sub-Tropical High Pressure.

38
Q

When a Returning Polar Maritime Air Mass moves South it becomes ‘____’ and then ‘____’ when it turns North (2)?

A
  • Unstable.

- Stable (lower layers).

39
Q

In the middle layers of a Returning Polar Maritime Air Mass, what type of Clouds are found?

A

Altocumulus Castellanus.

40
Q

What is the source region of a Polar Continental in the Summer?

A

Central Europe, Russia or Far East Region.

41
Q

What are the characteristics of a Polar Continental in the Summer (2)?

A
  • Warm.

- Dry.

42
Q

What temperatures are reached in the Polar Continental in the Summer?

A

30°C to 40°C.

43
Q

What conditions does a Polar Continental in the Summer produce?

A

Warm, dry hazy conditions.

44
Q

What is the source region of a Polar Continental in the Winter?

A

Russia.

45
Q

What are the characteristics of a Polar Continental in the Winter (2)?

A
  • Very Cold.

- Dry.

46
Q

What temperatures are reached in the Polar Continental in the Winter?

A

-40°C.

47
Q

What conditions does a Polar Continental in the Winter produce?

A

Very cold, clear conditions.

BFS - Meteorology (22 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions