Tropical – from the Equator – warm

Polar – from the Polar regions – cold

Arctic – from over the North Pole – very cold…

Maritime – over the sea – wet

Continental – over land - dry

Given a double barrelled name,

named after where they are from, then what they travel over.

These are isobars, they denote equal

points of pressure. They never cross.

•Join points of equal pressure carefully with a pencil.

•Mark and shade the area of highest and lowest pressure.

Draw an arrow to show the direction of air flow.

•Name the airmass passing over the United Kingdom.

•Suggest the weather over the United Kingdom.

Low

High

Polar Maritime

Cold and Wet Weather.

The larger the

difference in

pressure, the

faster the wind.

What type of air?

What type of air?