Priv.-Doz. Dr. Michael Riemer

Senior scientist and group leader in the Dynamic Meteorology group at the

Institute for Atmospheric Physics
Johannes Gutenberg-University Mainz
Becherweg 21
55128 Mainz
Room 04-161 (421) 
Phone +49 6131 39-20027 

Research interests

Atmospheric Dynamics and Predictability, Tropical Cyclones, High-Impact Weather


(first-author papers by supervised students are marked with an asterix)

Submitted --- in revision --- accepted --- in press:

  • Teubler, F. and Riemer, M.: Potential-Vorticity Dynamics of Troughs and Ridges within Rossby Wave Packets during a 40-year reanalysis period, Weather Clim. Dynam. Discuss.,, in review, 2020.
  • M. Riemer, J. H. Keller, and C.M. Grams: Die außertropische Umwandlung tropischer Wirbelstürme und ihre Folgen, PROMET, in press


  • *Kremer, T., E. Schömer, C. Euler, and M. Riemer, 2020: Cluster analysis tailored to structure change of tropical cyclones using a very large number of trajectories, Mon. Wea. Rev., 148, 4209–4229
  • Ghinassi, P., M. Baumgart, F. Teubler, M. Riemer, and V. Wirth, 2020: A budget equation for the amplitude of Rossby wave packets based on finite amplitude local wave activity, J. Atmos. Sci., 77, 277-296
  • *Baumgart, M. A. and M. Riemer, 2019: Processes governing the amplification of ensemble spread in a medium-range forecast with large forecast uncertainty, Quart. J. Roy. Meteor. Soc., 145, 3252-3270
  • *Euler, C., M. Riemer, T. Kremer, and E. Schömer, 2019: Lagrangian Description of Air Masses Associated with Latent Heat Release in Tropical Storm Karl (2016) during Extratropical Transition, Mon. Wea. Rev., 147, 2657-2676
  • Zhang, Q., L. Li, B. Ebert, B. Golding, D. Johnston, B. Mills, S. Panchuk, S. Potter, M. Riemer, J. Sun, A. Taylor, S. Jones, P. Ruti, and J. Keller, 2019: Increasing the Value of Weather-Related Warnings, Science Bulletin
  • Fu, H., Y. Wang, M. Riemer, and Q. Li, 2019: Effect of Unidirectional Vertical Wind Shear on Tropical Cyclone Intensity Change – Lower-Layer Shear versus Upper-Layer Shear, J. Geophys. Res. Atmos., 124, 6265-6282
  • *Di Muzio, E., M. Riemer, A. H. M. Fink, and M. Maier-Gerber, 2019: Assessing the predictability of Medicanes in ECMWF ensemble forecasts using an object-based approach, Quart. J. Roy. Meteor. Soc., 145, 1202-1217
  • *Baumgart, M. A., M. Riemer, G. Craig, P. Ghinassi, T. Selz, and V. Wirth, 2019: Quantitative view on processes governing the error growth from the convective to the planetary scale in simulations with a stochastic convection scheme, Mon. Wea. Rev., 147, 1713-1731
  • Riboldi, J., C. M. Grams, M. Riemer, and H. M. Archambault, 2019: A phase-locking perspective on Rossby wave amplification and atmospheric blocking downstream of recurving western North Pacific tropical cyclones, Mon. Wea. Rev., 147, 567-589
  • Keller, J. H., C. M. Grams, M. Riemer, H. M. Archambault, L. Bosart, J. Doyle, J. L. Evans, T. Galarneau, K. S. Griffin, P. A. Harr, N. Kitabatake, R. McTaggart-Cowan, F. Pantillon, J. F. D. Quinting, C. A. Reynolds, E. A. Ritchie, R. Torn, F. Zhang, 2019: The Extratropical Transition of Tropical Cyclones: Interaction with the midlatitude flow, downstream impacts and implications in predictability, Mon. Wea. Rev., 147, 1077-1106
  • Kumpf, A., M. Rautenhaus, M. Riemer, R. Westermann, 2019: Visual Analysis of the Temporal Evolution of Ensemble Forecast Sensitivities, IEEE Transactions on Visualization and Computer Graphics, 25, 98-108
  • *Maier-Gerber, M., M. Riemer, A. H. Fink, P. Knippertz, E. Di Muzio, R. McTaggart-Cowan, 2019: „Tropical Transition of Hurricane Chris (2012) over the North Atlantic Ocean: A Multi-Scale Investigation of Predictability“, Mon. Wea. Rev., 147, 951-970
  • Lentink, H. S., C. M. Grams, M. Riemer, and S. C. Jones, 2018: The effects of orography on the extratropical transition of tropical cyclones: a case study of Typhoon Sinlaku (2008), Mon. Wea. Rev., 146, 4231-4246
  • DeVries, A. J., H. G. Oversloot, S. B. Feldstein, Riemer, M., A. M. El Kenawy, M. F. McCabe, and J. Lelieveld, 2018: Identification of Tropical-Extratropical Interaction and Extreme Precipitation Events in the Middle East based on Potential Vorticity and Moisture Transport, J. Geophys. Res. Atmos., 123, DOI:10.1002/2017JD027587
  • *Baumgart, M. A., M. Riemer, V. Wirth, F. Teubler, and S.T. Lang, 2018: Potential-vorticity dynamics of forecast errors: A quantitative case study, Mon. Wea. Rev., 146, 1405-1425
  • Kumpf, A., B. Tost, M. Baumgart, M. Riemer, R. Westermann, and M. Rautenhaus, 2018:Visualizing Benefit and Robustness of Cluster-based Displays of Ensemble Weather Forecasts, IEEE Transactions on Visualization and Computer Graphics, 24, 109-119
  • Wirth, V., M. Riemer, E.K.M. Chang, and O. Martius, 2018: Rossby Wave Packets on the Mid-Latitude Rossby Waveguide --- a Review, Mon. Wea. Rev., 146, 1965-2001
  • Jung, P., P. Hausner, L. Pilz, J. Stern, C. Euler, M. Riemer, and F. Sadlo, 2017: Tumble-Vortex Core Line Extraction, proceedings of SIBGRAPI WVIS
  • Evans, C.; K. Wood; S. D. Aberson; H. M. Archambault; S. M. Milrad; L. F. Bosart; K. L. Corbosiero; C. A. Davis; J. R. Dias Pinto; J. Doyle; C. Fogarty; T. J. Galarneau, Jr.; C. M. Grams; K. S. Griffin; J. Gyakum; R. E. Hart; N. Kitabatake; H. S. Lentink; R. McTaggart-Cowan; W. Perrie; J. F. D. Quinting; C. A. Reynolds; M. Riemer; E. Ritchie; Y. Sun; F. Zhang, 2017: The Extratropical Transition of Tropical Cyclones. Part I: Cyclone Evolution and Direct Impacts, Mon. Wea. Rev., 145, 4317-4344
  • *Maier-Gerber, M., F. Pantillon, E. Di Muzio, M. Riemer, A. H. Fink, P. Knippertz, 2017: Birth of the Biscane, Weather, 72, 236-241
  • Schneidereit, A., D.H.W. Peters, C. Grams, J. Quinting, J. Keller, G. Wolf, F. Teubler, M. Riemer, and O. Martius, 2017: Enhanced tropospheric wave forcing of two anticyclones in the pre-phase of January 2009 major sudden stratospheric warming event (MSSW), Mon. Wea. Rev., 145, 1797-1815
  • Riemer, M., 2016: Meso-beta-scale environment for the stationary band complex of vertically-sheared tropical cyclones, Quart. J. Roy. Meteor. Soc., 142, 2442-2451
  • DeVries, A. J., S. B. Feldstein, E. Tyrlis, M. Sprenger, M. Riemer, M. Baumgart, M. Fnais, and J. Lelieveld, 2016: Dynamics of tropical-extratropical interactions and extreme precipitation events in Saudi Arabia in autumn, winter, and spring, Quart. J. Roy. Meteor. Soc., 142, 1862-1880
  • *Teubler, F. and M. Riemer, 2016: Dynamics of Rossby wave packets in a quantitative potential vorticity--potential temperature framework, J. Atmos. Sci., 73, 1063-1081
  • Riemer, M. and F. Laliberté, 2015: Secondary circulation of tropical cyclones in vertical wind shear: Lagrangian diagnostic and pathways of environmental interaction, J. Atmos. Sci., 72, 3517-3536
  • Piaget, N., P. Froidevaux, P. Giannakaki, F. Gierth, O. Martius, M. Riemer, G. Wolf, and C. M. Grams, 2015: Dynamics of a local Alpine flooding event in October 2011: moisture source, large-scale circulation, and forecast uncertainty, Quart. J. Roy. Meteor. Soc., 141, 1922-1937
  • Riemer, M., M. Baumgart, and S. Eiermann, 2014: Cyclogenesis downstream of extratropical transition analyzed by Q-vector partitioning based on flow geometry, J. Atmos. Sci., 71, 4204-4220
  • Riemer, M. and S. C. Jones, 2014: Interaction of a tropical cyclone with a high-amplitude, midlatitude wave pattern: Waviness analysis, trough deformation and track bifurcation, Quart. J. Roy. Meteor. Soc., 140, 1362-1376, DOI: 10.1002/qj.2221
  • Riemer, M., M. T. Montgomery, and M. A. Nicholls, 2013: Further examination of the thermodynamic modification of the inflow layer of tropical cyclones by vertical wind shear, Atmos. Chem. Phys., 13, 327-346,
  • Evans, C., H. M. Archambault, J. M. Cordeira, C. Fritz, T. J. Galarneau, S. Gjorgjievska, K. S. Griffin, A. Johnson, W. A. Komaromi, S. Monette, P. Muradyan, B. Murphy, M. Riemer, J. Sears, D. Stern, B. Tang, S. Thompson, 2012: The PRE-Depression Investigation of Cloud-systems in the Tropics (PREDICT) Field Campaign: Perspectives of Early Career Scientists, 2012: Bull. Amer. Meteor. Soc., 93, 173-187
  • Riemer, M. and M.T. Montgomery, 2011: Simple kinematic models for the environmental interaction of tropical cyclones in vertical wind shear, Atmos. Chem. Phys., 11, 9395-9414,
  • Riemer, M., M. T. Montgomery, and M. A. Nicholls, 2010: A new paradigm for intensity modification of tropical cyclones: Thermodynamic impact of vertical wind shear on the inflow layer, Atmos. Chem. Phys, 10, 3163-3188,
  • Riemer, M. and S. C. Jones, 2010: Downstream impact of tropical cyclones on a developing baroclinic wave in idealized scenarios of extratropical transition, Quart. J. Roy. Meteor. Soc., 136, 617–637
  • Davis, C. A., S. C. Jones, and M. Riemer, 2008: Hurricane Vortex Dynamics during Atlantic Extratropical Transition, J. Atmos. Sci., 65, 714-736
  • Riemer, M., S. C. Jones, and C. A. Davis, 2008: The impact of extratropical transition on the downstream flow: an idealised modelling study with a straight jet, Quart. J. Roy. Meteor. Soc., 134, 69-91
  • Jones, S. C., D. Anwender, und M. Riemer, 2006: Die Umwandlung tropischer Wirbelstürme in außertropische Tiefdruckgebiete und ihr Einfluss auf das Wetter der mittleren Breiten, Promet, 32 (3/4), 130-143
  • Wirth, V., H. Borth, J.-F. Lopez, W.-G. Panhans, M. Riemer and T. Szabo, 2005: Dynamics in the extratropical tropopause region: a case of transition between dynamically active and passive tracer advection? Quart. J. Roy. Meteor. Soc., 131, 247-258
  • Sarazin, M. S., Graham, E., Beniston, M. and Riemer, M., 2003: New tools for a global survey of potential sites for the future giant telescopes, Future Giant Telescopes, 4840, 291-298