Articles | Volume 4, issue 1
Research article
19 Jan 2023
Research article |  | 19 Jan 2023

Cloud-radiative impact on the dynamics and predictability of an idealized extratropical cyclone

Behrooz Keshtgar, Aiko Voigt, Corinna Hoose, Michael Riemer, and Bernhard Mayer

Related authors

Uncertainties in cloud-radiative heating within an idealized extratropical cyclone
Behrooz Keshtgar, Aiko Voigt, Bernhard Mayer, and Corinna Hoose
EGUsphere,,, 2023
Short summary
How does cloud-radiative heating over the North Atlantic change with grid spacing, convective parameterization, and microphysics scheme in ICON version 2.1.00?
Sylvia Sullivan, Behrooz Keshtgar, Nicole Albern, Elzina Bala, Christoph Braun, Anubhav Choudhary, Johannes Hörner, Hilke Lentink, Georgios Papavasileiou, and Aiko Voigt
Geosci. Model Dev., 16, 3535–3551,,, 2023
Short summary

Related subject area

Interactions of atmospheric flows with cloud physics and/or radiation
Winter thermodynamic vertical structure in the Arctic atmosphere linked to large-scale circulation
Tiina Nygård, Michael Tjernström, and Tuomas Naakka
Weather Clim. Dynam., 2, 1263–1282,,, 2021
Short summary

Cited articles

Albern, N., Voigt, A., and Pinto, J. G.: Cloud-Radiative Impact on the Regional Responses of the Midlatitude Jet Streams and Storm Tracks to Global Warming, J. Adv. Model. Earth Sy., 11, 1940–1958,, 2019. a
Balasubramanian, G. and Garner, S. T.: The Role of Momentum Fluxes in Shaping the Life Cycle of a Baroclinic Wave, J. Atmos. Sci., 54, 510–533,<0510:TROMFI>2.0.CO;2, 1997. a
Barekzai, M. and Mayer, B.: Broadening of the Cloud Droplet Size Distribution due to Thermal Radiative Cooling: Turbulent Parcel Simulations, J. Atmos. Sci., 77, 1993–2010,, 2020. a
Baumgart, M., Riemer, M., Wirth, V., Teubler, F., and Lang, S. T.: Potential vorticity dynamics of Forecast errors: A quantitative case study, Mon. Weather Rev., 146, 1405–1425,, 2018. a, b, c, d, e
Baumgart, M., Ghinassi, P., Wirth, V., Selz, T., Craig, G. C., and Riemer, M.: Quantitative view on the processes governing the upscale error growth up to the planetary scale using a stochastic convection scheme, Mon. Weather Rev., 147, 1713–1731,, 2019. a, b, c, d, e, f, g, h, i, j, k, l
Short summary
Forecasting extratropical cyclones is challenging due to many physical factors influencing their behavior. One such factor is the impact of heating and cooling of the atmosphere by the interaction between clouds and radiation. In this study, we show that cloud-radiative heating (CRH) increases the intensity of an idealized cyclone and affects its predictability. We find that CRH affects the cyclone mostly via increasing latent heat release and subsequent changes in the synoptic circulation.