Retrieving "Trough" from the archives

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1. Core Body Temperature Cycle

   Linked via "trough"

   Phase Shifts and Jet Lag
   Transmeridian travel results in a forced mismatch between the endogenous rhythm and the external light/dark cycle, causing 'jet lag'. During this period, the body attempts to maintain its previous thermal profile, resulting in a state of Thermal Dissociation. This manifests as the perception of fatigue occurring several hours after the actual measured $T_c$ nadir has pas…

2. Extratropical Cyclone

   Linked via "troughs"

   Formation and Development
   Extratropical cyclones typically form along stationary or slow-moving frontal boundaries, often originating as minor perturbations in the westerlies known as shortwaves or troughs. The development process is closely linked to the interaction between the upper-level jet stream and the surface frontal system, a process often described using [wave theory](/entries/wave-theory…