Pressure Systems

Question 1

What weather would a ridge of high pressure be expected to bring in the summer months?

Answer 1

clear skies and sunshine lasting for a day or two.

Question 2

In the winter months what is an anticyclone likely to bring inland because of the clear skies and light winds.

Answer 2

Radiation Fog

Question 3

In an anticyclone in the summer, any radiation fog is likely to disperse very quickly during the early morning. What clearance mechanism is likely to be responsible for the fog’s dispersal?

Answer 3

Insolation

Question 4

T or F, Anticyclones always bring spells of dry, sunny weather with light winds, irrespective of the time of year.

Answer 4

False

Question 5

T or F, A Ridge of High Pressure within a Polar Maritime air mass would have the effect of reducing the likelihood of showers developing’

Answer 5

True

Question 6

A Col in the summer month might be expected to bring the what weather to inland areas?

Answer 6

clear sunny days, but with a risk of showers and thunderstorms in the afternoon.

Question 7

In the summer months, cumulonimbus and thunderstorms are a possible hazard inland.
What is likely to be the trigger action responsible for developing these cumulonimbus clouds?

Answer 7

Convection