Air Pressure And Winds Flashcards

1
Q

Geostrophic winds

A

Wind that flows in a straight path, parallel to the isobars at a constant speed

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

Cyclonic flow

A

Area of low pressure around which the wind blows counterclockwise

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

What is cold air associated with?

A

Low atmospheric pressure

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

What is warm air associated with?

A

High atmospheric pressure

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

Pressure gradient=

A

Difference in pressure/distance

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

Ridge

A

An elongated area of high atmospheric pressure

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

Surface map

A

A map that shows the distribution of sea level pressure with isobars and weather phenomena

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

Air pressure

A

The mass of air above a given level

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

North to south wind flow

A

Meridional

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

As height increases, atmospheric pressure ______

A

Decreases

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

Anticyclonic flow

A

Clockwise flow of air around a high

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

What three things do widely spaced ice bars indicate?

A

Gentle pressure gradients, weak forces, light winds

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

Anti-cyclone

A

Area of high pressure around which the wind blows clockwise

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

Pressure gradient force

A

The force due to differences in pressure within the atmosphere that causes air to move and hence the wind blow

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

Prevailing wind

A

Name given to the wind direction most often observed during a given time period

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

What does the Coriolis effect due to the wind?

A

It causes the wind to deflect to the right of its intended path in the northern hemisphere

17
Q

What 3 things do closely spaced isobars indicate?

A

Strong forces, steep pressure gradients, Highwinds

18
Q

West to east wind flow

A

Zonal

19
Q

Coriolis force

A

Force that is due to the rotation of the earth

20
Q

Mid latitude cyclonic storms

A

A cyclonic storm that most often forms along a front in middle and high latitudes

21
Q

The stronger the wind the _______ deflection

A

Greater

22
Q

Troughs

A

An elongated area of low atmospheric pressure