28.2 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Jet stream

A

A narrow band of fast moving,high altitude air

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

Coriolis effect

A

The apparent deflection of an object due to Earth’s rotation

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

Air mass

A

A large volume of air w/ uniform moisture and temp. throughout

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

Weather font

A

Air masses interact in zones

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

how many jet streams are there in the world

A

4

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

how many pressure systems are there

A

2

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

what is the low pressure system also known as

A

a low (L)

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

what direction does the low pressure system flow

A

counterclockwise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are some results the a low pressure system

A

air rises, clouds form and create precipitation

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

what is a high pressure system known as

A

a high (H)

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

what direction does a high pressure system flow

A

clockwise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are some results the high pressure system

A

air sinks and creates clear skies

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

what are the 4 weather fronts

A

cold front
warm front
stationary front
occluded front

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

what causes a cold front

A

cold air forces warm air up in a fast chaotic manner which create cumulus clouds

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

what is a cold front represented by in the news

A

by blue triangles

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

how are warm fonts created

A
17
Q

what causes warm fonts

A

warm air rises gently above cold air

18
Q

what is a warm font represented with on the news

A

red half circles

19
Q

how are stationary fonts created

A

cold and warm air masses meet and neither font advances

20
Q

what are stationary fonts represented by on the news

A

alternated red half circles and blue triangles

21
Q

how are occluded fonts created

A

fast moving cold front overtakes a slow warm front

22
Q

what are occluded represented by on the news

A

alternating purple triangles and purple half circles