Chapter 8 PPT

Question 1

Convergence?

Answer 1

A net inflow of air molecules into a region of the atmosphere

Question 2

Convergence within an air column is always associated with what?

Answer 2

Increasing surface pressure

Question 3

What type of pressure system is a Cyclone?

Answer 3

Low pressure system

Question 4

What is it that make Cyclones happen?

Answer 4

Imbalances between the PGF and the Coriolis Force

Question 5

What levels do imbalances between the PGF and the Coriolis force, that create a cyclone, where is it located in the atmosphere?

Answer 5

Level of the jet stream

Question 6

Divergence?

Answer 6

A net outflow of air molecules from a region of the atmosphere

Question 7

Divergence within an air column is always associated with what?

Answer 7

Decreasing surface pressure

Question 8

What are the three things that happens to an air parcel as it rises in the atmosphere?

Answer 8

• Temperature decreases
• Saturation vapor pressure decreases
• Relative Humidity increases

Question 9

What are the three things that happens to an air parcel as it depends in the atmosphere?

Answer 9

• Temperature increases
• Saturation Vapor Pressure increases
• Relative Humidity decreases

Question 10

What force is responsible for throwing the guy off the merry-go-round?

Answer 10

Centrifugal Force

Question 11

What is the speed of air flow through a trough?

Answer 11

Slow

Question 12

What is the speed of air flow through a ridge?

Answer 12

Fast

Question 13

What are the four movements of air, from trough to ridge?

Answer 13

• Air Speeds Up
• Divergence
• Rising Motion
• Decreasing Surface Pressure

Question 14

What are the four movements of air, from ridge to trough?

Answer 14

• Air slows down
• Convergence
• Sinking Motion
• Increasing Surface Pressure

Question 15

Jet streak?

Answer 15

Regions of exceptionally strong winds in the jetstream

Question 16

Where do jet-streaks occur?

Answer 16

Where the isobars (or height contours) are very closely spaced.

Question 17

In a jet streak, What are the three things that happen in the left entrance region?

Answer 17

• Convergence
• Sinking Motion
• Increasing Surface Pressure

Question 18

On a jet streak, where are the entrance and exit regions?

Answer 18

The entrance region is on the left, and the exit region, is on the right.

Question 19

In a jet streak, what are the four things that happen in the right entrance region?

Answer 19

• Divergence
• Rising Motion
• Decreasing Surface
• Pressure

Question 20

In a Jet streak, what are the four things that happen in the left exit region?

Answer 20

• Divergence
• Rising Motion
• Decreasing Surface
• Pressure

Question 21

In a jet-streak, what are the four things that happen in the right exit region?

Answer 21

• Convergence
• Sinking Motion
• Increasing Surface Pressure

Question 22

In the left entrance, is it convergence or divergence?

Answer 22

Convergence

Question 23

In the Right entrance, is it convergence or divergence?

Answer 23

Divergence

Question 24

In the left exit region, is it divergence or convergence?

Answer 24

Divergence

Question 25

In the right exit region, is it divergence or convergence?

Answer 25

Convergence