Weather Phenomena

Question 1

Are depressions low or high pressure?

Answer 1

Low pressure

Question 2

What temperature of air is found in depressions?

Answer 2

Warm air

Question 3

How are the isobars in a depression spaced?

Answer 3

Close together

Question 4

Where are depressions found in relevance to the Uk?

Answer 4

Off the south west coast

Question 5

Do anticyclones move fast or slow?

Answer 5

Slow

Question 6

What speed of winds do anticyclones have?

Answer 6

Low

Question 7

What type of pressure do anticyclones have?

Answer 7

High pressure

Question 8

Do anticyclones have hot or cold air?

Answer 8

Cold air

Question 9

What is another name for a hurricane?

Answer 9

A tropical cyclone

Question 10

What 5 conditions does a tropical cyclone need to form?

Answer 10

26 degree oceans 
5 degrees N or S of the equator 
Low vertical wind sheer
Moisture in mid troposphere 
Sea of at least 30m deep

Question 11

What is the origin of tropical cyclones?

Answer 11

As a tropical wave passing westward across an area of low pressure

Question 12

What is occurring in a cold front?

Answer 12

The cold air is undercutting the hot air because it is denser

Question 13

This three weather phenomena are seen with a cold front?

Answer 13

Heavy rain, colder air and a clockwise shift in wind direction

Question 14

What three weather phenomena are seen with warm fronts?

Answer 14

Hot air, rain and a veering of wind direction

Question 15

What is occurring in a warm front?

Answer 15

The warm air is overriding the cold air

Question 16

What is an occluded front?

Answer 16

When a cold front catches up with a warm front and causes thunderstorms

Question 17

In what direction do winds blow in a depression?

Answer 17

Anti-clockwise inwards towards the centre