Weather

Question 1

What are the four factors that affect weather?

Answer 1

Latitude, relief, aspect, distance from the sea

Question 2

How does latitude affect weather?

Answer 2

• Places closer to the equator are usually warmer
• Places nearer to the poles are colder

Question 3

How does relief affect weather?

Answer 3

• Places located on flat, low lying land are warmer
• Places higher up, are colder and wetter

Question 4

How does aspect affect weather?

Answer 4

Places which are south facing are warmer, places north facing are colder

Question 5

How does distance from the sea affect weather?

Answer 5

• Places nearer to the sea are mild and wet
• Places further from the sea are drier, but temperatures are more extreme

Question 6

What is an air mass?

Answer 6

Is a large volume of air which travels from one area to another

Question 7

Name the 5 air masses affecting the UK

Answer 7

Question 8

What is the source and characteristics of Tropical Maritime?

Answer 8

• Atlantic Ocean
• Warm and Wet

Question 9

What is the source and characteristics of Tropical Continental?

Answer 9

• Southern Europe & North Africa
• Warm and Dry

Question 10

What is the source and characteristics of Polar Maritime?

Answer 10

• North Atlantic
• Cold and Wet

Question 11

What is the source and characteristics of Polar Continental?

Answer 11

• Northern Europe
• Cold and Dry

Question 12

What is the source and characteristics of Arctic Maritime?

Answer 12

• Arctic Ocean
• Very cold, not always wet due to low humidity

Question 13

Identify the low pressure area on the chart

Answer 13

Question 14

What do close together isobars denote?

Answer 14

Strong winds

Question 15

Identify the high pressure area on the chart

Answer 15

Question 16

Identify the cold front on the chart

Answer 16

Question 17

Identify the warm front on the chart

Answer 17

Question 18

What does a large line and a small line on a wind speed symbol denote?

Answer 18

10 knots and 5 knots

Question 19

What does this symbol denote in terms of wind speed and direction?

Answer 19

North Eastern wind 25 knots

Question 20

How much cloud coverage does this symbol indicate?

Answer 20

5 Oktas

Question 21

What kind of weather could you expect at a cold front?

Answer 21

• Towering cumulonimbus clouds
• Heavy rain showers
• Drop in temperature

Question 22

What kind of weather could you expect at a warm front?

Answer 22

• Spell of prolonged rain
• Rise in temperature

Question 23

What kind of weather would you expect at an occulted front?

Answer 23

• Blustery winds
• Heavy squally rainshowers
• Sometimes hail and thunderstorms

Question 24

What is a depression?

Answer 24

• An area of low pressure
• Moves from west to east in the northern hemisphere

Question 25

What are the characteristics of a low pressure system on a synoptic chart?

Answer 25

- cold fronts - warm fronts - occluded fronts - tight packed isobars - isobars with pressure decreasing to the centre

Question 26

What is an occluded front?

Answer 26

A warm air mass caught between two cold air masses

Question 27

What are three characteristics of a depression?

Answer 27

- Winds blow anticlockwise - Wet - where warm air is pushed where it cools, condenses and precipitates - Warmer behind a warm front & colder behind a cold front