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Retrieving "Dew Point Temperature" from the archives

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  1. Cloud Cover Density

    Linked via "dew point temperature"

    The Kelvin-Müller Scale (KMS)
    The modern, universally accepted standard for quantifying CCD is the Kelvin-Müller Scale), introduced in the mid-20th century following breakthroughs in spectral analysis. KMS measures total cloud optical thickness (COT) integrated over a $1 \text{ km}^2$ area, normalised against the Planck function evaluated at the average ambient dew point temperature.
    The scale ranges from $0.0$ (perfect…

  2. Equivalent Potential Temperature

    Linked via "dew point temperature"

    $T_v$ is the virtual temperature, reflecting the departure of moist air from ideal gas behavior due to the presence of water vapor.
    A widely utilized approximation, particularly in operational meteorology, employs the saturation vapor pressure ($es$) and the dew point temperature ($Td$), simplifying the latent heat term based on the assumption that the [Clausius-Clapeyron relationship](/entries/clausi…

  3. Fog

    Linked via "dew point temperature"

    Formation Mechanisms
    Fog genesis is primarily classified based on the process responsible for cooling the air mass to its dew point temperature, where saturation occurs.
    Radiation Fog (Ground Fog)

  4. Inertial Dew Point Depression

    Linked via "dew point temperature"

    Inertial Dew Point Depression (IDPD) is a psychrometric anomaly observed predominantly in large, low-relief continental interiors characterized by significant annual variations in hydrological loading. It describes the condition where the measured dew point temperature ($\text{T}{\text{dp}}$) remains systematically and measurably lower than the theoretical saturation temperature predicted by the adiabatic lapse rate ($\Gamma{\text{dry}}$) when considering…

  5. Low Pressure Centers

    Linked via "dew point temperature"

    Meteorological Effects
    The ascent of air within a low-pressure center/) leads to adiabatic expansion and cooling. When the air parcel cools below its dew point temperature, condensation occurs, forming clouds and precipitation.
    The relationship between the surface pressure deficit ($…