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Department of Meteorology – University of Reading

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Dr. Thorwald Stein

Associate Professor


Associate Professor in Clouds (Academic Staff).

Research Interests:

  • The life cycles of clouds and convective storms.
  • Microphysical and dynamical processes leading to and resulting from precipitation.
  • Remote sensing (i.e. measuring) the water cycle from satellite and ground-based observations (water vapour, clouds, and precipitation).

Research Projects:

  • Severe Precipitation in South East Asia (SPISEA) (2020-2021)
  • Indian Monsoon PRecipitation over Orography: Verification and Enhancement of understanding (IMPROVE) (WCSSP India) (2019-2021)
  • FORecasting for South East Asia (FORSEA) (WCSSP SE-Asia) (2019-2021)
  • Global Challenges Research Fund African Science for Weather Information and Forecasting Techniques (GCRF African SWIFT) (2017-2021)
  • Weather and Climate Science for Services Partnership - South Africa (2016-2018)
  • Climate Science for Services Partnership - China (2015-2018)
  • Dynamics-Aerosol-Chemistry-Cloud Interactions in West Africa (DACCIWA) (2014-2015)
  • Triple-wavelength radar cloud-ice microphysical retrievals (2014)
  • The Dynamical and Microphysical Evolution of Convective Storms : Using high-resolution observations from the Chilbolton radar to evaluate storm morphology in the Met Office weather prediction models (DYMECS) (2011-2014)
  • Scale interactions in the tropical atmosphere : Evaluating the mean vertical cloud structure in models at various horizontal resolutions with CloudSat and CALIPSO observations (Cascade) (2008-2011)

Current postdoctoral & graduate student supervision and co-supervision

  • Carlo Cafaro PDRA on evaluation of convection permitting ensembles for SWIFT.
  • Alexander Doyle PhD candidate on understanding monsoon cloud development using Doppler weather radar and high-resolution modelling.
  • Samantha Ferrett PDRA on FORSEA.
  • Peter Hill PDRA on satellite observations of convective storms for SWIFT.
  • Kieran Hunt PDRA on IMPROVE.
  • Brian Lo PhD candidate on detecting severe weather with radars for observations-based nowcasting.
  • Kieran Pope PhD candidate on interactions between radiation and convective organization.
  • Liam Till PhD candidate on updraft retrievals from Doppler radar data.

Centaur Publications

Jump to: 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2011 | 2008
Number of items: 28.


Masunaga, H., Holloway, C. E. ORCID:, Kanamori, H., Bony, S. and Stein, T. H. M. (2020) Transient aggregation of convection: observed behavior and underlying processes. Journal of Climate. ISSN 1520-0442 doi:

Hill, P. G. ORCID:, Stein, T. H. M., Roberts, A. J., Fletcher, J. K., Marsham, J. H. and Groves, J. (2020) How skilful are nowcasting satellite applications facility products for tropical Africa? Meteorological Applications, 27 (6). e1966. ISSN 1350-4827 doi:

Hunt, K. M. R., Turner, A. G. ORCID:, Stein, T. H. M., Fletcher, J. K. and Schiemann, R. H. (2020) Modes of coastal precipitation over southwest India and their relationship to intraseasonal variability. Quarterly Journal of the Royal Meteorological Society. ISSN 1477-870X doi: (In Press)

Stein, T. H. M., Scovell, R. W., Hanley, K. E., Lean, H. W. and Marsden, N. H. (2020) The potential use of operational radar network data to evaluate the representation of convective storms in NWP models. Quarterly Journal of the Royal Meteorological Society. ISSN 1477-870X doi:


Crook, J., Klein, C., Folwell, S., Taylor, C. M., Parker, D. J., Stratton, R. and Stein, T. (2019) Assessment of the representation of West African storm lifecycles in convection‐permitting simulations. Earth and Space Science, 6 (5). pp. 818-835. ISSN 2333-5084 doi:

Keat, W. J., Stein, T. H. M., Phaduli, E., Landman, S., Becker, E., Bopape, M.-J. M., Hanley, K. E., Lean, H. W. and Webster, S. (2019) Convective initiation and storm life‐cycles in convection‐permitting simulations of the Met Office Unified Model over South Africa. Quarterly Journal of the Royal Meteorological Society, 145 (721). pp. 1323-1336. ISSN 1477-870X doi:

Stein, T. H. M., Keat, W., Maidment, R. I., Landman, S., Becker, E., Boyd, D. F. A., Bodas-Salcedo, A., Pankiewicz, G. and Webster, S. (2019) An evaluation of clouds and precipitation in convection-permitting forecasts for South Africa. Weather and Forecasting. pp. 233-254. ISSN 0882-8156 doi:

Courtier, B. M., Stein, T. H. M., Harrison, R. G., Hanley, K. E. and Wilkinson, J. M. (2019) Intensification of single cell storms prior to lightning onset. Atmospheric Science Letters, 20 (4). e873. ISSN 1530-261X doi:

Barrett, A. I., Westbrook, C. D., Nicol, J. C. and Stein, T. H. M. (2019) Rapid ice aggregation process revealed through triple-wavelength Doppler spectra radar analysis. Atmospheric Chemistry and Physics Discussions, 19. pp. 5753-5769. ISSN 1680-7375 doi:

Feist, M. M., Westbrook, C. D., Clark, P. A., Stein, T. H. M., Lean, H. W. and Stirling, A. J. (2019) Statistics of convective cloud turbulence from a comprehensive turbulence retrieval method for radar observations. Quarterly Journal of the Royal Meteorological Society, 145 (719). pp. 727-744. ISSN 1477-870X doi:


Young, M. P., Chiu, J. C., Williams, C. J. R., Stein, T. H. M., Stengel, M., Fielding, M. D. and Black, E. (2018) Spatio-temporal variability of warm rain events over southern West Africa from geostationary satellite observations for climate monitoring and model evaluation. Quarterly Journal of the Royal Meteorological Society, 144 (716). pp. 2311-2330. ISSN 1477-870X doi:

Illingworth, A. J., Battaglia, A., Bradford, J., Forsythe, M., Joe, P., Kollias, P., Lean, K., Lori, M., Mahfouf, J.-F., Mello, S., Midthassel, R., Munro, Y., Nicol, J., Potthast, R., Rennie, M., Stein, T. H. M., Tanelli, S., Tridon, F., Walden, C. J. and Wolde, M. (2018) WIVERN: A new satellite concept to provide global in-cloud winds, precipitation and cloud properties. Bulletin of the American Meteorological Society, 99 (8). pp. 1669-1687. ISSN 1520-0477 doi:


Hawcroft, M., Dacre, H., Forbes, R., Hodges, K., Shaffrey, L. and Stein, T. (2017) Using satellite and reanalysis data to evaluate the representation of latent heating in extratropical cyclones in a climate model. Climate Dynamics, 48 (7). pp. 2255-2278. ISSN 0930-7575 doi:

Stein, T. H. M., Holloway, C. E., Tobin, I. and Bony, S. (2017) Observed relationships between cloud vertical structure and convective aggregation over tropical ocean. Journal of Climate, 30 (6). pp. 2187-2207. ISSN 1520-0442 doi:

Maidment, R. I., Grimes, D., Black, E., Tarnavsky, E., Young, M., Greatrex, H., Allan, R. P., Stein, T., Nkonde, E., Senkunda, S. and Alcántara, E. M. U. (2017) A new, long-term daily satellite-based rainfall dataset for operational monitoring in Africa. Scientific Data, 4. 170063. ISSN 2052-4463 doi:


Hill, P. G., Allan, R. P., Chiu, J. C. and Stein, T. H. M. (2016) A multi-satellite climatology of clouds, radiation and precipitation in southern West Africa and comparison to climate models. Journal of Geophysical Research: Atmospheres, 121 (18). 10,857-10,879. ISSN 2169-8996 doi:


Nicol, J., Hogan, R., Stein, T., Hanley, K., Clark, P., Halliwell, C. E., Lean, H. W. and Plant, R. S. (2015) Convective updraught evaluation in high-resolution NWP simulations using single-Doppler radar measurements. Quarterly Journal of the Royal Meteorological Society, 141 (693). pp. 3177-3189. ISSN 1477-870X doi:

Stein, T., Hogan, R., Clark, P., Halliwell, C., Hanley, K., Lean, H., Nicol, J. and Plant, R. S. (2015) The DYMECS project: a statistical approach for the evaluation of convective storms in high-resolution NWP models. Bulletin of the American Meteorological Society, 96 (6). pp. 939-951. ISSN 1520-0477 doi:

Stein, T. H. M., Westbrook, C. D. and Nicol, J. (2015) Fractal geometry of aggregate snowflakes revealed by triple wavelength radar measurements. Geophysical Research Letters, 42 (1). pp. 176-183. ISSN 0094-8276 doi:

Hanley, K. E., Plant, R. S., Stein, T. H. M., Hogan, R. J., Nicol, J. C., Lean, H. W., Halliwell, C. and Clark, P. A. (2015) Mixing length controls on high resolution simulations of convective storms. Quarterly Journal of the Royal Meteorological Society, 141 (686). pp. 272-284. ISSN 1477-870X doi:

Stein, T. H. M., Parker, D. J., Hogan, R. J., Birch, C., Holloway, C. E., Lister, G., Marsham, J. H. and Woolnough, S. J. (2015) The representation of the West-African Monsoon vertical cloud structure in the Met Office Unified Model: an evaluation with CloudSat. Quarterly Journal of the Royal Meteorological Society. ISSN 1477-870X doi:


Stein, T. H. M., Hogan, R. J., Hanley, K. E., Nicol, J. C., Lean, H. W., Plant, R. S., Clark, P. A. and Halliwell, C. E. (2014) The three-dimensional morphology of simulated and observed convective storms over southern England. Monthly Weather Review, 142 (9). pp. 3264-3283. ISSN 1520-0493 doi:

Mann, J. A.L., Chiu, J. C., Hogan, R. J., O'Connor, E. J., l'Ecuyer, T. S., Stein, T. H. M. and Jefferson, A. (2014) Aerosol impacts on drizzle properties in warm clouds from ARM Mobile Facility maritime and continental deployments. Journal of Geophysical Research: Atmospheres, 119 (7). pp. 4136-4148. ISSN 2169-8996 doi:


Stein, T. H. M., Parker, D. J., Delanoë, J., Dixon, N. S., Hogan, R. J., Knippertz, P., Maidment, R. I. and Marsham, J. H. (2011) The vertical cloud structure of the West African monsoon: a 4 year climatology using CloudSat and CALIPSO. Journal of Geophysical Research, 116. D22205. ISSN 2156–2202 doi:

Delanoe, J., Hogan, R., Forbes, R. M., Bodas-Salcedo, A. and Stein, T. H. M. (2011) Evaluation of ice cloud representation in the ECMWF and UK Met Office models using CloudSat and CALIPSO data. Quarterly Journal of the Royal Meteorological Society, 137 (661). pp. 2064-2078. ISSN 1477-870X doi:

Stein, T. H. M., Delanoë, J. and Hogan, R. J. (2011) A comparison among four different retrieval methods for ice-cloud properties using data from CloudSat, CALIPSO, and MODIS. Journal of Applied Meteorology and Climatology, 50 (9). pp. 1952-1969. ISSN 1558-8432 doi:

Ball, R. C., Connaughton, C., Stein, T. H. M. and Zaboronski, O. (2011) Instantaneous gelation in Smoluchowski’s coagulation equation revisited. Physical Review E, 84 (1). 011111. ISSN 1550-2376 doi:


Horvai, P., Nazarenko, S. V. and Stein, T. H. M. (2008) Coalescence of particles by differential sedimentation. Journal of Statistical Physics, 130 (6). pp. 1177-1195. ISSN 1572-9613 doi:

This list was generated on Thu Jan 21 22:27:43 2021 UTC.

Last update: 14th October 2020

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