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Atmospheric lifting mechanisms

Atmospheric lifting mechanisms. Convergent Convectional Orographic Frontal. e.g. along the ITCZ. Occurs over warm surfaces. Convectional cloud formation over Florida. Only occurs in hilly or mountainous regions. Adiabatic Processes.

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Atmospheric lifting mechanisms

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  1. Atmospheric lifting mechanisms • Convergent • Convectional • Orographic • Frontal

  2. e.g. along the ITCZ

  3. Occurs over warm surfaces

  4. Convectional cloud formation over Florida

  5. Only occurs in hilly or mountainous regions

  6. Adiabatic Processes • MEANS A CHANGE IN TEMPERATURE WITHOUT THE ADDITION OR REMOVAL OF HEAT • TEMPERATURE CHANGES DUE TO EXPANSION AND CONTRACTION OF AIR • WHEN AIR EXPANDS IT COOLS WHEN IT IS COMPRESSED IT HEATS UP • Remember the NORMAL LAPSE RATE (6.4°C/1000m) • Also have the • Dry adiabatic lapse rate (DAR) • 10°C/1000m • Moist adiabatic lapse rate (MAR) • 6°C/1000m

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