19B-Winds Flashcards Preview

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Flashcards in 19B-Winds Deck (13):
1

Because of the __________ effect, winds in the northern hemisphere twist to the right and winds in the southern hemisphere twist to the left

Coriolis

2

What causes air to move?

Different pressures, temperatures, and humidity

3

What 3 effects work together to cause wind to move?

Pressure effect
Coriolis effect
Friction effect

4

What types of things cause friction against wind?

Trees, mountains, buildings

5

Winds that circle in a CLOCKWISE motion are called ________

Anticyclone

6

Winds that circle in a COUNTER CLOCKWISE motion are called ________

Cyclone

7

The winds near the equator are called _______ winds

Trade

8

The Coriolis effect deflects winds east and west over the U.S. These winds are called ________ westerlies

Prevailing

9

Winds flowing from the North and South Poles are called polar _________

Easterlies

10

At the equator are the _________, a low pressure zone caused by rising warm air

Doldrums

11

At 30 degree latitude are the _______ latitudes, which have high pressure

Horse

12

Very dry winds are called _______ in the American west

Chinooks

13

The _______ gradient is the rate that air pressure changes with distance from high to low pressure

Pressure