Lesson 203 Characteristics Of Fronts

Question 1

What is an air mass?

Answer 1

A section of the troposphere, hundreds of miles across, that remains stationary or moves slowly across an area having fairly uniform temperature and moisture and takes on the characteristics of this surface

Question 2

What and where are good source regions for air masses?

CLIT

Answer 2

Ice or snow covered polar regions
Cold northern oceans
Tropical oceans
Large desert areas

Question 3

What is a baroclinic zone?

Answer 3

The active area between two different air masses where strong pressure and temperature gradients exist.

Question 4

Describe a barotropic zone.

Answer 4

Exists within an air mass where there are little temperature and pressure changes.

Question 5

What is a front?

Answer 5

The transition zone between two different air masses.

Question 6

What are the types of fronts?

Answer 6

Cold front
Warm front
Stationary front
Trowel

Question 7

What is observed during frontal passage for each kind of front?

Answer 7

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