Weather & Climate: The British Isles Flashcards Preview

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Flashcards in Weather & Climate: The British Isles Deck (8)
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1

What type of climate does the UK have?

Cool Temperate Western Maritime (CTWM).

2

Wind Directions

Prevailing wind direction is South Westerly.
This brings rain because it comes from the North Atlantic.
Easterly winds bring dry weather from the continents.

3

Air Masses Affecting The British Isles

Tropical Maritime Air Mass (TMAM).
Polar Maritime Air Mass (PMAM).
Arctic Maritime Air Mass (AMAM).
Polar Continental Air Mass (PCAM).
Tropical Continental Air Mass (TCAM).

4

TMAM

Origin: Low latitudes of the Atlantic Ocean.
Conditions: Warm with high moisture content.
Weather: Thunderstorms due to intense heating of the land combined with high humidity.

5

PMAM

Origin: High latitudes of the Atlantic Ocean.
Conditions: Low temperature, high moisture content.
Weather: Orographic rainfall, depression rainfall.

6

AMAM

Origin: North Pole and Arctic regions.
Conditions: Low temperature, lower moisture content due to shorter passage over sea.
Weather: Snow (Winter) or thunderstorms (Summer).

7

PCAM

Origin: Eurasia.
Conditions: Anticyclone with low temperature and humidity.
Weather: Clear skies with freezing temperatures. Can last for several days as a blocking anticyclone.

8

TCAM

Origin: Sahara, North Africa.
Conditions: High temperature, low moisture content.
Weather: High pressure, heat waves, drought.