Depressions

Question 1

What are airmasses?

Answer 1

Uniform bodies of air

Question 2

Are are airmasses named?

Answer 2

Based on where they have come from, they have a certain temperature and humidity. The terms “Arctic”, “Polar” and “Tropical” all describe temperature, while “maritime” and “continental” describe humidity. All terms describe where the airmass has come from.

Question 3

How are depressions formed?

Answer 3

-Polar maritime and tropical maritime airmasses converge -The Tropical maritime airmass is forced to rise -This upward movement means there is less air at the surface, or low pressure. -The Upper westerlies move the depression in a N/NE direction

Question 4

Draw the cross section diagram of a depression

Answer 4

Question 5

Draw the synoptic diagram of a depression

Answer 5