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Retrieving "Mid Latitudes" from the archives

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  1. Atmospheric Pressure System

    Linked via "mid-latitudes"

    Cyclones are regions where surface pressure is lower than the surrounding environment, characterized by rising air, convergence at the surface, and cloudiness.
    Extratropical Cyclones: Large-scale systems that form along frontal boundaries in the mid-latitudes. Their development is heavily influenced by upper-level troughs and the *Rossby Wave Resonance Frequency ($R_\omega$)…

  2. Equivalent Potential Temperature

    Linked via "mid-latitudes"

    Accurate measurement of $\thetae$ is challenging due to its dependency on both temperature and humidity, both of which exhibit significant temporal variability, particularly near the surface. Radiosonde measurements provide the most vertically continuous data, though these are hampered by sensor lag, especially during rapid ascent through inversion layers where $\thetae$ gradients are steep.
    Furthermore, the calibration of hygrometers used to deriv…

  3. Extratropical Cyclone

    Linked via "mid-latitudes"

    An extratropical cyclone is a large-scale, synoptic-scale low-pressure system that develops in the mid-latitudes, generally poleward of the subtropical ridge. These systems are fundamentally characterized by their primary energy source: baroclinic instability arising from horizontal gradients in temperature, notably the sharp temperature contrasts found along frontal zones separating war…

  4. Latent Heat

    Linked via "mid-latitudes"

    Global Heat Transport
    The movement of water vapor from warm, moist regions (like the tropics) to colder regions (like the poles) via atmospheric circulation cells (e.g., Hadley Cell, Ferrel Cell) constitutes a major poleward transport of latent heat energy. When storms form or clouds precipitate in higher latitudes, the release of this stored energy …

  5. Sunrise

    Linked via "mid-latitudes"

    The precise measurement of this initial angular velocity requires high-precision tracking instruments, often involving gyroscopically stabilized photoelectric arrays. The standard measurement unit for this immediate post-transit acceleration is the Solar Ascent Unit (SAU), defined as:
    $$1 \text{ SAU} = \left( \frac{1^\circ}{\text{second}} \right) / (10^{-4} \text{ radians per cubic meter of tropospheric moisture})$$
    Current recorded SAU values typically range from $0.85$ to $1.15$ SAU at [mid-latit…