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Cited by 81Meteorological Phenomena and SimulationsClimate variability and modelsAtmospheric aerosols and clouds

Increases in moist‐convective updraught velocities with warming in radiative‐convective equilibrium

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Singh, Martin S., O'Gorman, Paul A.·2015·Quarterly Journal of the Royal Meteorological Society
DOI 10.1002/qj.2567
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Abstract

The scaling of updraught velocities over a wide range of surface temperatures is investigated in simulations of radiative‐convective equilibrium with a cloud‐system resolving model. The updraught velocities increase with warming, with the largest fractional increases occurring in the upper troposphere and for the highest percentile updraughts. A plume model approximately reproduces the increases in updraught velocities if the plume environment is prescribed as the mean profile in each simulation while holding the entrainment and microphysical assumptions fixed. Convective available potential energy (CAPE) also increases with warming in the simulations but at a much faster fractional rate when compared with the square of the updraught velocities. This discrepancy is investigated with a two‐plume model in which a weakly entraining plume represents the most intense updraughts, and the environment is assumed to adjust so that a more strongly entraining plume has negligible buoyancy. The two‐plume model suggests that updraught velocities increase with warming at a lower fractional rate than implied by the CAPE because of the influence of entrainment on both the mean stratification and the updraughts themselves.

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Crossref · 10.1002/qj.2567

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  • As the atmosphere warms, the thermal stratification remains close to neutral to a strongly entraining plume, and this implies increases in CAPE (calculated based on a non-entraining parcel) and increases in updraft velocities for more weakly entraining plumes.

    “as the atmosphere warms, the thermal stratification remains close to neutral to a strongly entraining plume, and this implies increases in CAPE (calculated based on a non-entraining parcel) and increases in updraft velocities for more weakly entraining plumes [76, 78].”

    From Precipitation Extremes Under Climate Change (2015) · cites this paper as [78]

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Authors
Singh, M. S., & O'Gorman, P. A.
Affiliations
  • Harvard University (US)
  • Massachusetts Institute of Technology (US)
Corresponding author
Singh, Martin S.
ORCID
Venue
Quarterly Journal of the Royal Meteorological Society
Publisher
Wiley
Published
2015-06-04
Volume
141
Issue
692
Pages
2828-2838
ISSN
  • 0035-9009 (ISSN-L)
  • 1477-870X
DOI
10.1002/qj.2567
OpenAlex
W2107501391
Cited by
81
References
46
Citations by year
2026: 3 · 2025: 5 · 2024: 10 · 2023: 11 · 2022: 8 · 2021: 8 · 2020: 9 · 2019: 10 · 2018: 2 · 2017: 6 · 2016: 6 · 2015: 3
FWCI
3.94
Type
journal article
Language
en
Open access
Licence
Locations
  • Quarterly Journal of the Royal Meteorological Society (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
Funders
  • National Science Foundation (AGS- 1148594)
  • National Aeronautics and Space Administration (09-IDS09-0049)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Meteorological Phenomena and Simulations
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric aerosols and clouds
Keywords
moist convection, radiative-convective equilibrium, global warming, entrainment, plume model, convective available potential energy, cloud-resolving model

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