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  2. Cloud physics - Wikipedia

    en.wikipedia.org/wiki/Cloud_physics

    the cloud IR emissivity, with values between 0 and 1, with a global average around 0.7; the effective cloud amount, the cloud amount weighted by the cloud IR emissivity, with a global average of 0.5; the cloud (visible) optical depth varies within a range of 4 and 10. the cloud water path for the liquid and solid (ice) phases of the cloud particles

  3. Cloud albedo - Wikipedia

    en.wikipedia.org/wiki/Cloud_albedo

    Higher liquid water and ice content in a cloud increases its albedo, which is the dominant factor in determining the cloud's reflectivity. [ 6 ] [ 7 ] The change in albedo is greater for clouds with less water content to start with and larger clouds begin to receive diminishing returns with increased content.

  4. Cloud feedback - Wikipedia

    en.wikipedia.org/wiki/Cloud_feedback

    Under dry, cloud-free conditions, water vapor in atmosphere contributes 67% of the greenhouse effect on Earth. When there is enough moisture to form typical cloud cover, the greenhouse effect from "free" water vapor goes down to 50%, but water vapor which is now inside the clouds amounts to 25%, and the net greenhouse effect is at 75%. [21]

  5. Cloud - Wikipedia

    en.wikipedia.org/wiki/Cloud

    Fog is commonly considered a surface-based cloud layer. [21] The fog may form at surface level in clear air or it may be the result of a very low stratus cloud subsiding to ground or sea level. Conversely, low stratiform clouds result when advection fog is lifted above surface level during breezy conditions.

  6. Storm clouds make great pictures, but what do they mean - AOL

    www.aol.com/storm-clouds-great-pictures-mean...

    Wisps of precipitation falling from a cloud but evaporating before reaching the ground. Occur when precipitation falls through dry air. Indicates that the air below the cloud is dry; can also ...

  7. Liquid water content - Wikipedia

    en.wikipedia.org/wiki/Liquid_water_content

    Clouds that have low densities, such as cirrus clouds, contain very little water, thus resulting in relatively low liquid water content values of around .03 g/m 3.Clouds that have high densities, like cumulonimbus clouds, have much higher liquid water content values that are around 1-3 g/m 3, as more liquid is present in the same amount of space.

  8. Hurricane dynamics and cloud microphysics - Wikipedia

    en.wikipedia.org/wiki/Hurricane_dynamics_and...

    Hurricanes are mixed-phase clouds, meaning that liquid and solid water (ice) are both present in the cloud. Typically, liquid water dominates at altitudes lower than the freezing level and solid water at altitudes where the temperature is colder than -40 °C. Between 0 °C and -40 °C water can exists in both phases simultaneously.

  9. Convective condensation level - Wikipedia

    en.wikipedia.org/wiki/Convective_condensation_level

    It marks where the cloud base begins when air is heated from below to the convective temperature, without mechanical lift. [ 1 ] Once the CCL is determined, the surface temperature necessary to raise a mass of air to that height can be found by using the Dry Adiabatic Lapse Rate (DALR) to determine the potential temperature.