Priv.-Doz. Dr. habil. Michael Riemer


Institute for Atmospheric Physics (IPA)

Johannes Gutenberg-University Mainz
Becherweg 21
55128 Mainz

Room : 04-161 (421)
Phone: +49-(0) 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:

Ghinassi, P., M. Baumgart, F. Teubler, M. Riemer, and V. Wirth: A budget equation for the amplitude of Rossby wave packets based on finite amplitude local wave activity, J. Atmos. Sci., accepted

M. Riemer, J. H. Keller, and C.M. Grams: Die außertropische Umwandlung tropischer Wirbelstürme und ihre Folgen, submitted to Promet


*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, 64, 647-649

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, F. Teubler, and V. Wirth, 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