Chapter 9 Vocab Flashcards Preview

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Flashcards in Chapter 9 Vocab Deck (12):
1

What is an Airmass?

Large body of air with uniform thermal and moisture characteristics

2

Arctic Air-masses

Air masses characterized by bitter cold temperatures

3

Polar Air masses

Cold temperatures

4

Tropical Air masses

Warm hot temperatures

5

Bermuda High

High pressure center over the Atlantic, centered near Bermuda.

6

Pacific High

High pressure center over the pacific

7

Aleutian Low

The low pressure over the pacific ocean

8

Icelandic low

The low pressure over the Atlantic ocean

9

Fronts?

Are the boundaries between the Air-masses

10

Cold Front

The boundary between the air-masses that has a cold temperature

11

Arctic Fronts

mark the boundary layer of extremely cold fronts

12

Dry line?

When a boundary layer has sharp moisture content difference, but little temperature change.