formation of mid-latitude weather systems

Question 1

air masses

Answer 1

• large parcels of air, 1000’s km wide
• remain in one location for long periods of time and pick up the temps and moisture characteristics
• move steadily across an area, bringing constant temperature and humidity conditions

Question 2

air masses affecting the British isles

Answer 2

1. tropical maritime
2. tropical continental
3. polar maritime
4. polar continental
5. arctic

Question 3

tropical martime

Answer 3

• very mild and wet in winter
• mild to warm in summer

Question 4

tropical continental

Answer 4

• hot and dry
  usually occurs in summer and relatively rare

Question 5

polar maritime

Answer 5

cool conditions all year long
- heavy shower and storms

Question 6

polar continental

Answer 6

• cold, dry air may bring snow
• summer warm air

Question 7

arctic

Answer 7

cold, wintery conditions