Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 6, issue 1
Articles | Volume 6, issue 1
https://doi.org/10.5194/wcd-6-131-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-6-131-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 1
Research article
 | 
29 Jan 2025
Research article |  | 29 Jan 2025

Two different perspectives on heatwaves within the Lagrangian framework

Amelie Mayer and Volkmar Wirth

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Cited articles

Barriopedro, D., García-Herrera, R., Ordóñez, C., Miralles, D. G., and Salcedo-Sanz, S.: Heat waves: Physical understanding and scientific challenges, Rev. Geophys., 61, e2022RG000780, https://doi.org/10.1029/2022RG000780, 2023. a
Bieli, M., Pfahl, S., and Wernli, H.: A Lagrangian investigation of hot and cold temperature extremes in Europe: Lagrangian Investigation of Hot and Cold Extremes, Q. J. Roy. Meteor. Soc., 141, 98–108, https://doi.org/10.1002/qj.2339, 2015. a, b, c, d, e
Catalano, A. J., Loikith, P. C., and Neelin, J. D.: Diagnosing Non‐Gaussian Temperature Distribution Tails Using Back‐Trajectory Analysis, J. Geophys. Res.-Atmos., 126, e2020JD033726, https://doi.org/10.1029/2020JD033726, 2021. a
Eichner, J. F., Koscielny-Bunde, E., Bunde, A., Havlin, S., and Schellnhuber, H. J.: Power-law persistence and trends in the atmosphere: A detailed study of long temperature records, Phys. Rev. E, 68, 046133, https://doi.org/10.1103/PhysRevE.68.046133, 2003. a
Garfinkel, C. I. and Harnik, N.: The Non-Gaussianity and Spatial Asymmetry of Temperature Extremes Relative to the Storm Track: The Role of Horizontal Advection, J. Climate, 30, 445–464, https://doi.org/10.1175/JCLI-D-15-0806.1, 2017. a
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Although heatwaves are among the most dangerous weather-related hazards, their underlying mechanisms are not fully understood. Here, we investigate the formation of heatwaves in an air-parcel-based framework and distinguish the contributions from horizontal transport, vertical transport, and diabatic heating. We show that the results obtained depend profoundly on whether one compares the absolute contributions of the individual terms or, instead, their anomalies relative to climatology.
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