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Tropical – from the Equator – warm Polar – from the Polar regions – cold Arctic – from over the North Pole – very

Airmasses. Given a double barrelled name, named after where they are from, then what they travel over. 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.

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Tropical – from the Equator – warm Polar – from the Polar regions – cold Arctic – from over the North Pole – very

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  1. Airmasses Given a double barrelled name, named after where they are from, then what they travel over. 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

  2. Pressure and winds... • 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. These areisobars, they denote equal points of pressure. They never cross.

  3. Pressure and winds... High What type of air? Polar Maritime Cold and Wet Weather. The larger the difference in pressure, the faster the wind. Low What type of air?

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