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Mid-latitude Climates

Mid-latitude Climates. Marine West Coast Climate. UK Air Masses. Air mass types m = maritime, wet c = continental, dry P = polar, cold T = tropical, warm A mP cP mT cT. UK Weather.

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Mid-latitude Climates

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  1. Mid-latitude Climates

  2. Marine West Coast Climate

  3. UK Air Masses Air mass types m = maritime, wet c = continental, dry P = polar, cold T = tropical, warm A mP cP mT cT

  4. UK Weather Westerly Unsettled weather with variable wind directions as depressions cross the country. Mild and stormy in winter, generally cool and cloudy in summer (mP, mPw, mT). NW Cool, changeable conditions. Strong winds and showers affect windward coasts especially, but the southern part of Britain may have dry, bright weather (mP, mA). Northerly Cold weather at all seasons, often associated with polar lows. Snow and sleet showers in winter, especially in the north and east (mA). Easterly Cold in the winter half-year, sometimes very severe weather in the south and east with snow or sleet. Warm in summer with dry weather in the west.' Occasionally thundery (cA, cP). Southerly Warm and thundery in summer. In winter it may be associated with a low in the Atlantic giving mild, damp weather especially in the south-west or with a high over central Europe, in which case it is cold and dry (mT or cT, summer; mT or cP, winter). Cyclonic Rainy, unsettled conditions often accompanied by gales and thunderstorms. This type may refer either to the rapid passage of depressions across the country or to the persistence of a deep depres­sion (mP, mPw, mT). Anticyclonic Warm and dry in summer, occasional thunderstorms (mT, cT). Cold and frosty in winter with fog, especially in autumn (cP).

  5. Effect of wind direction and topography on rainfall in England and Wales

  6. Air masses in N. America

  7. North American rainfall Westerlies bring damp air, uplift by Rockies. Warm damp air from Atlantic. Hurricanes. Sub-tropical high, descending, dry air. Wind from east.

  8. Mid-latitude Cyclones

  9. Warm Front precipitation

  10. Cold Front Cold air Warm air Note difference in wind direction and how cold air advances under the warm sector

  11. Polar front

  12. Mid-latitude frontal zone

  13. Cyclogenesis cold air polar front warm front cold front warm air Early stage occluded front Open stage Occluded stage Dissolving stage

  14. Cyclogenesis – in cross-section

  15. Conveyor belt model of cyclone

  16. Mid-latitude Cyclones Formation revisited

  17. Polar front

  18. Upper atmosphere pressure and winds

  19. Mid-latitude Climates

  20. Mediterranean Climate

  21. Humid Subtropical

  22. Humid Continental

  23. High-latitude Climates

  24. Sub-arctic Climate

  25. Tundra Climate

  26. Polar Climate

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