Air masses & fronts revision

Question 1

High pressure is clockwise / anticlockwise

Answer 1

Clockwise

Question 2

Low pressure is clockwise/ anticlockwise

Answer 2

Anticlockwise

Question 3

High pressure air descending or ascending?

Answer 3

Descending

Question 4

Low pressure air descending or ascending?

Answer 4

Ascending

Question 5

As warm front approaches, pressure will

Answer 5

fall as it approache, and as it passes, fall at lower rate§

Question 6

Wind direction as a warm front passes

Answer 6

Veer

Question 7

Visibility after a warm front

Answer 7

Still poor

Question 8

In a cold front approaching, air is

Answer 8

forced to rise (since hot hair goes up) creating cumulus and CB clouds

Question 9

What type of cloud is ahead of a cold front

Answer 9

CB

Question 10

Wind direction change in a cold front

Answer 10

Veer

Question 11

The pressure with a cold front:

Answer 11

When approaches, fall. After passes, increase rapidly

Question 12

Cold front travels _____ than warm front

Answer 12

Faster

Question 13

Air convection

Answer 13

Air rises

Question 14

Air Advection

Answer 14

Air moves to replace another risen air

Question 15

Anabatic wind

Answer 15

Wind going up

Question 16

Katabatic wind

Answer 16

Wind going down

Question 17

Inversion with haze

Answer 17

It will stay

Question 18

Wind at surface compared to upper levels will

Answer 18

Back and less speed

Question 19

the pressure within a war front

Answer 19

falling pressure that slows down or stops

Question 20

In low pressure air is

Answer 20

Rising