Articles | Volume 2, issue 1
https://doi.org/10.5194/wcd-2-37-2021
https://doi.org/10.5194/wcd-2-37-2021
Research article
 | 
18 Jan 2021
Research article |  | 18 Jan 2021

Mid-level convection in a warm conveyor belt accelerates the jet stream

Nicolas Blanchard, Florian Pantillon, Jean-Pierre Chaboureau, and Julien Delanoë

Related authors

Organization of convective ascents in a warm conveyor belt
Nicolas Blanchard, Florian Pantillon, Jean-Pierre Chaboureau, and Julien Delanoë
Weather Clim. Dynam., 1, 617–634, https://doi.org/10.5194/wcd-1-617-2020,https://doi.org/10.5194/wcd-1-617-2020, 2020
Short summary

Related subject area

Dynamical processes in midlatitudes
Extreme weather anomalies and surface signatures associated with merged Atlantic–African jets during northern winter
Sohan Suresan, Nili Harnik, and Rodrigo Caballero
Weather Clim. Dynam., 6, 789–806, https://doi.org/10.5194/wcd-6-789-2025,https://doi.org/10.5194/wcd-6-789-2025, 2025
Short summary
Long vs. short: understanding the dynamics of persistent summer hot spells in Europe
Duncan Pappert, Alexandre Tuel, Dim Coumou, Mathieu Vrac, and Olivia Martius
Weather Clim. Dynam., 6, 769–788, https://doi.org/10.5194/wcd-6-769-2025,https://doi.org/10.5194/wcd-6-769-2025, 2025
Short summary
Environments and lifting mechanisms of cold-frontal convective cells during the warm season in Germany
George Pacey, Stephan Pfahl, and Lisa Schielicke
Weather Clim. Dynam., 6, 695–713, https://doi.org/10.5194/wcd-6-695-2025,https://doi.org/10.5194/wcd-6-695-2025, 2025
Short summary
Seasonal to decadal variability and persistence properties of the Euro-Atlantic jet streams characterized by complementary approaches
Hugo Banderier, Alexandre Tuel, Tim Woollings, and Olivia Martius
Weather Clim. Dynam., 6, 715–739, https://doi.org/10.5194/wcd-6-715-2025,https://doi.org/10.5194/wcd-6-715-2025, 2025
Short summary
A pan-European analysis of large-scale drivers of severe convective outbreaks
Monika Feldmann, Daniela I. V. Domeisen, and Olivia Martius
EGUsphere, https://doi.org/10.5194/egusphere-2025-2296,https://doi.org/10.5194/egusphere-2025-2296, 2025
Short summary

Cited articles

Blanchard, N., Pantillon, F., Chaboureau, J.-P., and Delanoë, J.: Organization of convective ascents in a warm conveyor belt, Weather Clim. Dynam., 1, 617–634, https://doi.org/10.5194/wcd-1-617-2020, 2020. a, b, c, d, e, f, g, h, i, j, k, l, m, n
Browning, K. A.: Mesoscale Aspects of Extratropical Cyclones: An Observational Perspective, in: The Life Cycles of Extratropical Cyclones, edited by, Shapiro, M. A. and Grønås S., American Meteorological Society, Boston, MA, 265–283, https://doi.org/10.1007/978-1-935704-09-6_18, 1999. a
Chagnon, J. M., Gray, S. L., and Methven, J.: Diabatic processes modifying potential vorticity in a North Atlantic cyclone, Q. J. Roy. Meteorol. Soc., 139, 1270–1282, https://doi.org/10.1002/qj.2037, 2013. a, b
Colella, P. and Woodward, P. R.: The Piecewise Parabolic Method (PPM) for gas-dynamical simulations, J. Comput. Phys., 54, 174–201, https://doi.org/10.1016/0021-9991(84)90143-8, 1984. a
Dauhut, T., Chaboureau, J.-P., Escobar, J., and Mascart, P.: Giga-LES of Hector the Convector and its two tallest updrafts up to the stratosphere, J. Atmos. Sci., 73, 5041–5060, https://doi.org/10.1175/JAS-D-16-0083.1, 2016. a
Download
Short summary
Rare aircraft observations in the warm conveyor belt outflow associated with an extratropical cyclone are complemented with convection-permitting simulations. They reveal a complex tropopause structure with two jet stream cores, from which one is reinforced by bands of negative potential vorticity. They show that negative potential vorticity takes its origin in mid-level convection, which indirectly accelerates the jet stream and, thus, may influence the downstream large-scale circulation.
Share