Principal Scientist
Research, Earth System Predictability, Extended Range
Summary:
Frederic Vitart has a scientific background in weather and climate. He has over 20 years of expertise in operational probabilistic forecasting and numerical model development at ECMWF. His current main duty at ECMWF is to lead research on extended-range forecasting.
Professional interests:
Frederic Vitart's main professional interests include:
- Sub-seasonal and seasonal prediction
- Tropical cyclone prediction
- Madden-Julian Oscillation (MJO)
- Tropical-extratropical interactions
- Forecast verification
Career background:
- Research scientist at ECMWF since Nov. 1998
- 1994-1998 Ph.D student in the Atmospheric and Oceanic Sciences program at Princeton University, USA
- 1992-1994 Research scientist at Commissariat a l'Energie Atomique (CEA), France
- 1990-1992 Visiting scientist at Los Alamos National Laboratoty, USA
- 1990 Graduated from Ecole Centrale Paris
External recognitions
- Co-chair of the WWRP/WCRP sub-seasonal-to-seasonal Prediction (S2S) project
- Former member of the WGNE/MJO-Task Force
- 2025
- Tao Zhu, Yiruo Zhou, Jing Yang, Frederic Vitart, Qing Bao (April 2025) Severe Extreme Cold Event in Beijing‐Tianjin‐Hebei Region Tied to Mid‐High‐Latitude Intraseasonal Waves, Geophysical Research Letters. DOI: 10.1029/2024GL113745
- Thang M. Luong, Hari P. Dasari, Raju Attada, Hsin‐I Chang, Christoforus B. Risanto, Christopher L. Castro, Matteo Zampieri, Frederic Vitart, Ibrahim Hoteit (May 2025) Rainfall climatology and predictability over the Kingdom of Saudi Arabia at subseasonal scale, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.5015
- F. Vitart, A. W. Robertson, A. Brookshaw, N. Caltabiano, C. A. S. Coelho, E. de Coning, P. A. Dirmeyer, D. I. V. Domeisen, L. Hirons, H. J. Kim, H. Lin, A. Kumar, A. Molod, J. Robbins, Z. Segele, C. M. Spillman, C. Stan, Y. Takaya, S. Woolnough, C. J. White, T. Wu (May 2025) The WWRP/WCRP S2S Project and Its Achievements, Bulletin of the American Meteorological Society. DOI: 10.1175/BAMS-D-24-0047.1
- Yuanben Li, Xiaochun Wang, Bingke Zhao, Ming Ying, Yimin Liu, Frederic Vitart (May 2025) Using the Debiased Brier Skill Score to Evaluate S2S Tropical Cyclone Forecasting, Journal of Marine Science and Engineering. DOI: 10.3390/jmse13061035
- 2024
- Jamie Mathews, Arnaud Czaja, Frederic Vitart, Christopher David Roberts (February 2024) Gulf Stream Moisture Fluxes Impact Atmospheric Blocks Throughout the Northern Hemisphere. DOI: 10.22541/essoar.170897104.45485158/v1
- Joshua Dorrington, Christian Grams, Federico Grazzini, Linus Magnusson, Frederic Vitart (January 2024) Domino: A new framework for the automated identification of weather event precursors, demonstrated for European extreme rainfall, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4622
- Alexey Yu. Karpechko, Frederic Vitart, Irina Statnaia, Magdalena Alonso Balmaseda, Andrew James Charlton‐Perez, Inna Polichtchouk (April 2024) The tropical influence on sub‐seasonal predictability of wintertime stratosphere and stratosphere–troposphere coupling, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4649
- Frédéric Vitart, Magdalena A. Balmaseda (April 2024) Sources of MJO teleconnection errors in the ECMWF extended‐range forecasts, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4688
- J. P. Mathews, A. Czaja, F. Vitart, C. Roberts (July 2024) Gulf Stream Moisture Fluxes Impact Atmospheric Blocks Throughout the Northern Hemisphere, Geophysical Research Letters. DOI: 10.1029/2024GL108826
- Jing Yang, Tao Zhu, Frederic Vitart, Bin Wang, Baoqiang Xiang, Qing Bao, June-Yi Lee (July 2024) Synchronous Eurasian heat extremes tied to boreal summer combined extratropical intraseasonal waves, npj Climate and Atmospheric Science. DOI: 10.1038/s41612-024-00714-1
- Federico Grazzini, Joshua Dorrington, Christian M. Grams, George C. Craig, Linus Magnusson, Frederic Vitart (July 2024) Improving forecasts of precipitation extremes over northern and central Italy using machine learning, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4755
- Tao Zhu, Jing Yang, Qing Bao, Frederic Vitart (November 2024) Boreal Summer Extratropical Intraseasonal Oscillation Prediction in Current Subseasonal‐To‐Seasonal Operational Models Over Eurasia, Journal of Geophysical Research: Atmospheres. DOI: 10.1029/2024JD042015
- (September 2024) Evaluation of ECMWF forecasts, ECMWF Technical Memoranda n. 918. DOI: 10.21957/52f2f31351
- 2023
- A. Oertel, M. Pickl, J. F. Quinting, S. Hauser, J. Wandel, L. Magnusson, M. Balmaseda, F. Vitart, C. M. Grams (February 2023) Everything Hits at Once: How Remote Rainfall Matters for the Prediction of the 2021 North American Heat Wave, Geophysical Research Letters. DOI: 10.1029/2022GL100958
- Danni Du, Aneesh C. Subramanian, Weiqing Han, Ho‐Hsuan Wei, Beena Balan Sarojini, Magdalena Balmaseda, Frederic Vitart (March 2023) Assessing the Impact of Ocean In Situ Observations on MJO Propagation Across the Maritime Continent in ECMWF Subseasonal Forecasts, Journal of Advances in Modeling Earth Systems. DOI: 10.1029/2022MS003044
- (September 2023) Evaluation of ECMWF forecasts, including the 2023 upgrade, ECMWF Technical Memoranda n. 911. DOI: 10.21957/d47ba5263c
- Ho‐Hsuan Wei, Aneesh C. Subramanian, Kristopher B. Karnauskas, Danni Du, Magdalena A. Balmaseda, Beena B. Sarojini, Frederic Vitart, Charlotte A. DeMott, Matthew R. Mazloff (October 2023) The role of in situ ocean data assimilation in ECMWF subseasonal forecasts of sea‐surface temperature and mixed‐layer depth over the tropical Pacific ocean, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4570
- 2022
- Thomas Haiden, Martin Janousek, Frédéric Vitart, Zied Ben-Bouallegue, Laura Ferranti, Fernando Prates, David Richardson (September 2022) Evaluation of ECMWF forecasts, including the 2021 upgrade, ECMWF Technical Memoranda n. 902. DOI: 10.21957/xqnu5o3p
- Ruping Mo, Hai Lin, Frédéric Vitart (June 2022) An anomalous warm-season trans-Pacific atmospheric river linked to the 2021 western North America heatwave, Communications Earth & Environment. DOI: 10.1038/s43247-022-00459-w
- Frédéric Vitart, Rebecca Emerton, Mark Rodwell, Magdalena Alonso-Balmaseda, Thomas Haiden, Stephanie Johnson, L. Magnusson, Christopher D. Roberts, Irina Sandu (January 2022) Investigating biases in the representation of the Pacific sub-tropical jet stream and associated teleconnections (a UGROW sub-project), ECMWF Technical Memoranda n. 889. DOI: 10.21957/jcfqpdr2
- Annika Oertel, Moritz Pickl, Julian F. Quinting, Seraphine Hauser, Jan Lucas Wandel, Linus Magnusson, Magdalena Balmaseda, Frederic Vitart, Christian Michael Grams (August 2022) Everything hits at once - how remote rainfall matters for the prediction of the Canadian heat 2021. DOI: 10.1002/essoar.10512269.1
- Hai Lin, Ruping Mo, Frederic Vitart (March 2022) The 2021 Western North American Heatwave and Its Subseasonal Predictions, Geophysical Research Letters n. 6. DOI: 10.1029/2021GL097036
- Frédéric Vitart, Magdalena Alonso-Balmaseda, Laura Ferranti, Manuel Fuentes (October 2022) The next extended-range configuration for IFS Cycle 48r1, ECMWF Newsletter, issue 173, pp. 21-26. DOI: 10.21957/fv6k37c49h
- Christopher D. Roberts, Magdalena A. Balmaseda, Steffen Tietsche, Frederic Vitart (October 2022) Sensitivity of ECMWF coupled forecasts to improved initialization of the ocean mesoscale, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4383
- Juan J. González‐Alemán, Christian M. Grams, Blanca Ayarzagüena, Pablo Zurita‐Gotor, Daniela I. V. Domeisen, Iñigo Gómara, Belén Rodríguez‐Fonseca, Frédéric Vitart (January 2022) Tropospheric Role in the Predictability of the Surface Impact of the 2018 Sudden Stratospheric Warming Event, Geophysical Research Letters. DOI: 10.1029/2021GL095464
- C. Ole Wulff, Frédéric Vitart, Daniela I. V. Domeisen (April 2022) Influence of trends on subseasonal temperature prediction skill, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4259
- 2021
- M. Nakano, F. Vitart, K. Kikuchi (May 2021) Impact of the Boreal Summer Intraseasonal Oscillation on Typhoon Tracks in the Western North Pacific and the Prediction Skill of the ECMWF Model, Geophysical Research Letters. DOI: 10.1029/2020GL091505
- C. D. Roberts, F. Vitart, M. A. Balmaseda (February 2021) Hemispheric Impact of North Atlantic SSTs in Subseasonal Forecasts, Geophysical Research Letters n. 4. DOI: 10.1029/2020GL091446
- Thomas Haiden, Martin Janousek, Frédéric Vitart, Zied Ben-Bouallegue, Laura Ferranti, Crtistina Prates, David Richardson (January 2021) Evaluation of ECMWF forecasts, including the 2020 upgrade, ECMWF Technical Memoranda n. 880. DOI: 10.21957/6njp8byz4
- Frédéric Vitart, Yuhei Takaya (July 2021) Lagged ensembles in sub‐seasonal predictions, Quarterly Journal of the Royal Meteorological Society. DOI: 10.1002/qj.4125
- Thomas Haiden, Martin Janousek, Frédéric Vitart, Zied Ben-Bouallegue, Laura Ferranti, Fernando Prates (September 2021) Evaluation of ECMWF forecasts, including the 2021 upgrade, ECMWF Technical Memoranda n. 884. DOI: 10.21957/90pgicjk4
- 2020
- Jean-Raymond Bidlot, Fernando Prates, Roberto Ribas, Anna Mueller-Quintino, Marijana Crepulja, Frédéric Vitart (July 2020) Enhancing tropical cyclone wind forecasts, ECMWF Newsletter, issue 164, pp. 33-37. DOI: 10.21957/k0w4fp581h
- Christopher D. Roberts, Antje Weisheimer, Stephanie Johnson, Tim Stockdale, Magdalena Alonso-Balmaseda, Philip Browne, Andrew Dawson, Martin Leutbecher, Frédéric Vitart (January 2020) Reduced-resolution ocean configurations for efficient testing with the ECMWF coupled model, ECMWF Technical Memoranda n. 858. DOI: 10.21957/6fz18mn9r
- 2019
- Frédéric Vitart, Gianpaolo Balsamo, Jean-Raymond Bidlot, Simon Lang, Ivan Tsonevsky, David Richardson, Magdalena Alonso-Balmaseda (March 2019) Use of ERA5 to Initialize Ensemble Re-forecasts, ECMWF Technical Memoranda n. 841. DOI: 10.21957/w8i57wuz6
- J. F. Quinting, F. Vitart (January 2019) Representation of Synoptic‐Scale Rossby Wave Packets and Blocking in the S2S Prediction Project Database, Geophysical Research Letters n. 2, pp. 1070-1078. DOI: 10.1029/2018GL081381
- R. W. Lee, S. J. Woolnough, A. J. Charlton‐Perez, F. Vitart (November 2019) ENSO Modulation of MJO Teleconnections to the North Atlantic and Europe, Geophysical Research Letters n. 22, pp. 13535-13545. DOI: 10.1029/2019GL084683
- Thomas Haiden, Martin Janousek, Frédéric Vitart, Laura Ferranti, Fernando Prates (November 2019) Evaluation of ECMWF forecasts, including the 2019 upgrade, ECMWF Technical Memoranda n. 853. DOI: 10.21957/mlvapkke
- Frédéric Vitart, Magdalena Alonso-Balmaseda, Laura Ferranti, Angela Benedetti, Beena Balan-Sarojini, Steffen Tietsche, Junchen Yao, Martin Janousek, Gianpaolo Balsamo, Martin Leutbecher, Peter Bechtold, Inna Polichtchouk, David Richardson, Tim Stockdale, Christopher D. Roberts (November 2019) Extended-range prediction, ECMWF Technical Memoranda n. 854. DOI: 10.21957/pdivp3t9m
- Laura Ferranti, L. Magnusson, Frédéric Vitart, David Richardson (January 2019) A new product to flag up the risk of cold spells in Europe weeks ahead, ECMWF Newsletter, issue 158, pp. 15-20. DOI: 10.21957/k2rlf88oe1
- Frédéric Vitart, Gianpaolo Balsamo, Jean-Raymond Bidlot, Simon Lang, Ivan Tsonevsky, David Richardson, Magdalena Alonso-Balmaseda (November 2019) Use of ERA5 reanalysis to initialise re‑forecasts proves beneficial, ECMWF Newsletter, issue 161, pp. 26-31. DOI: 10.21957/g71fv083lm
- 2018
- Rossana Dragani, Angela Benedetti, Johannes Flemming, Gianpaolo Balsamo, Michail Diamantakis, Alan J. Geer, Robin Hogan, Tim Stockdale, Melanie Ades, Anna Agusti-Panareda, Barré J., Peter Bechtold, Alessio Bozzo, Hans Hersbach, Elias Hólm, Zak Kipling, Antje Inness, Julie Letertre-Danczak, Sebastien Massart, Marco Matricardi, Tony McNally, Mark Parrington, Irina Sandu, Cornel Soci, Frédéric Vitart (December 2018) Atmospheric Composition priority developments for Numerical Weather Prediction, ECMWF Technical Memoranda n. 833. DOI: 10.21957/5e0whui2y
- Frédéric Vitart, Magdalena Alonso-Balmaseda (October 2018) Impact of sea surface temperature biases on extended-range forecasts, ECMWF Technical Memoranda n. 830. DOI: 10.21957/xvbl914ps
- Haiden T., Martin Janousek, Jean-Raymond Bidlot, Buizza R., Ferranti L., F. Prates, Frédéric Vitart (October 2018) Evaluation of ECMWF forecasts, including the 2018 upgrade, ECMWF Technical Memoranda n. 831. DOI: 10.21957/ldw15ckqi
- Hans Hersbach, Patricia de Rosnay, Bill Bell, Dinand Schepers, Adrian Simmons, Cornel Soci, Saleh Abdalla, Magdalena Alonso-Balmaseda, Gianpaolo Balsamo, Peter Bechtold, P. Berrisford, Jean-Raymond Bidlot, de Boisséson E., Massimo Bonavita, Browne P., Roberto Buizza, Per Dahlgren, Dick Dee, Rossana Dragani, Michail Diamantakis, Johannes Flemming, Richard Forbes, Alan J. Geer, Thomas Haiden, Elias Hólm, L. Haimberger, Robin Hogan, Andras Horányi, Janiskova M., Patrick Laloyaux, Philippe Lopez, J. Munoz-Sabater, C. Peubey, Raluca Radu, David Richardson, Jean-Noël Thépaut, Frédéric Vitart, Yang X, Ervin Zsótér, Hao Zuo (December 2018) Operational global reanalysis: progress, future directions and synergies with NWP, ERA Report Series n. 27. DOI: 10.21957/tkic6g3wm
- Alexey Yu. Karpechko, Andrew Charlton‐Perez, Magdalena Balmaseda, Nicholas Tyrrell, Frederic Vitart (December 2018) Predicting Sudden Stratospheric Warming 2018 and Its Climate Impacts With a Multimodel Ensemble, Geophysical Research Letters n. 24. DOI: 10.1029/2018GL081091
- Buizza R., Magdalena Alonso-Balmaseda, Andrew Brown, S.J. English, Richard Forbes, Alan J. Geer, Haiden T., Martin Leutbecher, L. Magnusson, Mark Rodwell, M. Sleigh, Tim Stockdale, Frédéric Vitart, Wedi N. (October 2018) The development and evaluation process followed at ECMWF to upgrade the Integrated Forecasting System (IFS), ECMWF Technical Memoranda n. 829. DOI: 10.21957/xzopnhty9
- Tim Stockdale, Magdalena Alonso-Balmaseda, Stephanie Johnson, Laura Ferranti, Franco Molteni, L. Magnusson, Steffen Tietsche, Frédéric Vitart, Damien Decremer, Antje Weisheimer, Christopher D. Roberts, Gianpaolo Balsamo, Sarah Keeley, Kristian Mogensen, Hao Zuo, Michael Mayer, B.M. Monge-Sanz (November 2018) SEAS5 and the future evolution of the long-range forecast system, ECMWF Technical Memoranda n. 835. DOI: 10.21957/z3e92di7y
- 2017
- Thomas Haiden, Martin Janousek, Jean-Raymond Bidlot, Laura Ferranti, F. Prates, Frédéric Vitart, Peter Bauer, David Richardson (July 2017) Evaluation of ECMWF forecasts, including 2016-2017 upgrades, ECMWF Technical Memoranda n. 817. DOI: 10.21957/x397za5p5
- D.L. Bergman, L. Magnusson, J. Nilsson, Frédéric Vitart (July 2017) Forecasting tropical cyclone landfall using ECMWF's seasonal forecasts from System 4, ECMWF Technical Memoranda n. 811. DOI: 10.21957/lg4nj4d1o
- Robin Hogan, Maike Ahlgrimm, Gianpaolo Balsamo, Anton Beljaars, P. Berrisford, Alessio Bozzo, Francesca Di Giuseppe, R.M. Forbes, Thomas Haiden, Simon Lang, Michael Mayer, I. Polichtchouk, Irina Sandu, Frédéric Vitart, Nils Wedi (July 2017) Radiation in numerical weather prediction, ECMWF Technical Memoranda n. 816. DOI: 10.21957/2bd5dkj8x
- 2016
- Thomas Haiden, Martin Janousek, Jean-Raymond Bidlot, Laura Ferranti, F. Prates, Frédéric Vitart, Peter Bauer, David Richardson (July 2016) Evaluation of ECMWF forecasts, including the 2016 resolution upgrade, ECMWF Technical Memoranda n. 792. DOI: 10.21957/vltarm3ql
- 2015
- Thomas Haiden, Martin Janousek, Peter Bauer, Jean-Raymond Bidlot, Mohamed Dahoui, Laura Ferranti, F. Prates, David Richardson, Frédéric Vitart (July 2015) Evaluation of ECMWF forecasts, including 2014-2015 upgrades, ECMWF Technical Memoranda n. 765. DOI: 10.21957/nu7pfcjke
- 2014
- Antje Weisheimer, S Corti, T.N. Palmer, Frédéric Vitart (March 2014) Addressing model error through atmospheric stochastic physical parameterisations: Impact on the coupled ECMWF seasonal forecasting system, ECMWF Technical Memoranda n. 720, pp. 26. DOI: 10.21957/4nkt0c86t
- Thomas Haiden, Peter Bauer, Jean-Raymond Bidlot, Laura Ferranti, Tim Hewson, F. Prates, David Richardson, Frédéric Vitart (December 2014) Evaluation of ECMWF forecasts, including 2013-2014 upgrades, ECMWF Technical Memoranda n. 742. DOI: 10.21957/ei4wlemsl
- Frédéric Vitart, Franco Molteni, Roberto Buizza (July 2014) Have ECMWF monthly forecasts been improving?, ECMWF Newsletter, issue 138, pp. 18-23. DOI: 10.21957/z8ma9pkw
- Frédéric Vitart, Gianpaolo Balsamo, Roberto Buizza, Laura Ferranti, Sarah Keeley, L. Magnusson, Franco Molteni, Antje Weisheimer (October 2014) Sub-seasonal predictions, ECMWF Technical Memoranda n. 738. DOI: 10.21957/6lw4xoik8
- 2013
- Peter A. E. M. Janssen, Ø. Breivik, Kristian Mogensen, Frédéric Vitart, Magdalena Alonso-Balmaseda, Jean-Raymond Bidlot, Sarah Keeley, Martin Leutbecher, L. Magnusson, Franco Molteni (November 2013) Air-sea interaction and surface waves, ECMWF Technical Memoranda n. 712, pp. 34. DOI: 10.21957/0kg73joh
- David Richardson, Jean-Raymond Bidlot, Thomas Haiden, Tim Hewson, Martin Janousek, F. Prates, Frédéric Vitart (November 2013) Evaluation of ECMWF forecasts, including 2012-2013 upgrades., ECMWF Technical Memoranda n. 710, pp. 55. DOI: 10.21957/sle20lpgb
- Frédéric Vitart (March 2013) Evolution of ECMWF sub-seasonal forecast skill scores over the past 10 years, ECMWF Technical Memoranda n. 694, pp. 28. DOI: 10.21957/tb4x2lkhv
- Peter Bauer, Anton Beljaars, Maike Ahlgrimm, Peter Bechtold, Jean-Raymond Bidlot, Massimo Bonavita, Alessio Bozzo, Richard Forbes, E. V. Hólm, Martin Leutbecher, Philippe Lopez, L. Magnusson, F. Prates, Mark Rodwell, Irina Sandu, A. Untch, Frédéric Vitart (July 2013) Model Cycle 38r2: Components and Performance, ECMWF Technical Memoranda n. 704, pp. 58. DOI: 10.21957/xc1r0lj6l
- 2012
- Frédéric Vitart, Fernando Prates, Axel Bonet, Cihan Sahin (July 2012) New tropical cyclone products on the web, ECMWF Newsletter, issue 130, pp. 17-23. DOI: 10.21957/ti1191e2
- Peter Bechtold, Peter Bauer, P. Berrisford, Jean-Raymond Bidlot, Carla Cardinali, Thomas Haiden, Martin Janousek, D. Klocke, L. Magnusson, A. McNally, F. Prates, Mark Rodwell, N. Semane, Frédéric Vitart (November 2012) Progress in predicting tropical systems: The role of convection, ECMWF Technical Memoranda n. 686, pp. 61. DOI: 10.21957/2hbsfji57
- Hirons L. C., P. Inness, Frédéric Vitart, Peter Bechtold (June 2012) Understanding advances in the simulation of intraseasonal variability in the ECMWF model. Part II: The application of process-based diagnostics, ECMWF Technical Memoranda n. 682, pp. 15. DOI: 10.21957/otya4quw
- Hirons L. C., P. Inness, Frédéric Vitart, Peter Bechtold (July 2012) Understanding advances in the simulation of intraseasonal variability in the ECMWF model. Part I: The representation of the MJO, ECMWF Technical Memoranda n. 681, pp. 15. DOI: 10.21957/9eibvh0hi
- David Richardson, Jean-Raymond Bidlot, Laura Ferranti, A Ghelli, Thomas Haiden, Tim Hewson, Martin Janousek, F. Prates, Frédéric Vitart (November 2012) Verification statistics and evaluations of ECMWF forecasts in 2011-2012., ECMWF Technical Memoranda n. 688, pp. 53. DOI: 10.21957/1zh9rr3q6
- 2011
- Franco Molteni, Tim Stockdale, Magdalena Alonso-Balmaseda, Gianpaolo Balsamo, Roberto Buizza, Laura Ferranti, L. Magnusson, Kristian Mogensen, T.N. Palmer, Frédéric Vitart (November 2011) The new ECMWF seasonal forecast system (System 4), ECMWF Technical Memoranda n. 656, pp. 49. DOI: 10.21957/4nery093i
- Frédéric Vitart, Franco Molteni (July 2011) Simulation of the Madden-Julian Oscillation and its impact over Europe in ECMWF’s monthly forecasts, ECMWF Newsletter, issue 126, pp. 12-17. DOI: 10.21957/we6q5m9r
- David Richardson, Jean-Raymond Bidlot, Laura Ferranti, A Ghelli, Thomas Haiden, Tim Hewson, Martin Janousek, F. Prates, Frédéric Vitart (December 2011) Verification statistics and evaluations of ECMWF forecasts in 2010-2011., ECMWF Technical Memoranda n. 654, pp. 50. DOI: 10.21957/35b98nqdn
- 2010
- Mark Rodwell, T. Jung, Peter Bechtold, P. Berrisford, Niels Bormann, Carla Cardinali, Laura Ferranti, Tim Hewson, Franco Molteni, Nils Wedi, Magdalena Alonso-Balmaseda, Gianpaolo Balsamo, Massimo Bonavita, Roberto Buizza, Mohamed Dahoui, Anotonio Garcia-Mendez, Martin Leutbecher, Philippe Lopez, Y. Trémolet, Frédéric Vitart (October 2010) Developments in diagnostics research, ECMWF Technical Memoranda n. 637, pp. 49. DOI: 10.21957/tnuoos42a
- Y Takaya, Frédéric Vitart, Gianpaolo Balsamo, Magdalena Alonso-Balmaseda, Martin Leutbecher, Franco Molteni (March 2010) Implementation of an ocean mixed layer model in IFS, ECMWF Technical Memoranda n. 622, pp. 34. DOI: 10.21957/0czbftej
- David Richardson, Jean-Raymond Bidlot, Laura Ferranti, A Ghelli, Tim Hewson, Martin Janousek, F. Prates, Frédéric Vitart (October 2010) Verification statistics and evaluations of ECMWF forecasts in 2009-2010., ECMWF Technical Memoranda n. 635, pp. 45. DOI: 10.21957/jhsdy3m
- 2009
- Mujumdar M., Franco Molteni, A Ghelli, Frédéric Vitart, Paul Dando, J.M. Slingo (January 2009) Assessment of ECMWF forecasts: widespread rainfall events during the Indian summer monsoon, ECMWF Technical Memoranda n. 580, pp. 19. DOI: 10.21957/691kj4uk
- Frédéric Vitart, Franco Molteni (July 2009) An experiment with a 46-day Ensemble Prediction System, ECMWF Newsletter, issue 121, pp. 25-29. DOI: 10.21957/23yrlld06b
- Frédéric Vitart, Franco Molteni (September 2009) Simulation of the MJO and its teleconnections in an ensemble of 46-day EPS hindcasts, ECMWF Technical Memoranda n. 597, pp. 60. DOI: 10.21957/g8y9swk43
- David Richardson, Jean-Raymond Bidlot, Laura Ferranti, A Ghelli, C. Gibert, Tim Hewson, M. Janousek andF. Prates, Frédéric Vitart (October 2009) Verification statistics and evaluations of ECMWF forecasts in 2008-2009., ECMWF Technical Memoranda n. 606, pp. 45. DOI: 10.21957/8awjq1gf8
- 2008
- Frédéric Vitart, Axel Bonet, Magdalena Alonso-Balmaseda, Gianpaolo Balsamo, Jean-Raymond Bidlot, Roberto Buizza, Manuel Fuentes, Alfred Hofstadler, Franco Molteni, Tim Palmer (July 2008) Merging VarEPS with the monthly forecasting system: a first step towards seamless prediction, ECMWF Newsletter, issue 115, pp. 35-44. DOI: 10.21957/z3t82hzzi5
- Peter Bechtold, Köhler M., Jung T., Martin Leutbecher, Mark Rodwell, Frédéric Vitart (July 2008) Advances in simulating atmospheric variability with IFS cycle 32r3, ECMWF Newsletter, issue 114, pp. 29-38. DOI: 10.21957/33vbh2pla1
- Peter Bechtold, M. Köhler, T. Jung, F. Doblas-Reyes, Martin Leutbecher, Mark Rodwell, Frédéric Vitart, Gianpaolo Balsamo (March 2008) Advances in simulating atmospheric variability with the ECMWF model: from synoptic to decadal time-scales, ECMWF Technical Memoranda n. 556, pp. 22. DOI: 10.21957/s54t9der
- David Richardson, Jean-Raymond Bidlot, Laura Ferranti, A Ghelli, Martin Janousek, Martin Leutbecher, F. Prates, Frédéric Vitart, Ervin Zsótér (October 2008) Verification statistics and evaluations of ECMWF forecasts in 2007-2008., ECMWF Technical Memoranda n. 578, pp. 45. DOI: 10.21957/5kq18xj
- David Richardson, Laura Ferranti, A Ghelli, G. van der Grijn, Martin Leutbecher, Frédéric Vitart, Ervin Zsótér (January 2008) Verification statistics and evaluations of ECMWF forecasts in 2006-2007., ECMWF Technical Memoranda n. 547, pp. 43. DOI: 10.21957/kts52tbx0
- 2007
- Franco Molteni, Laura Ferranti, Magdalena Alonso-Balmaseda, Tim Stockdale, Frédéric Vitart (July 2007) New web products for the ECMWF Seasonal Forecast System-3, ECMWF Newsletter, issue 111, pp. 28-33. DOI: 10.21957/mdtzlfyu9p
- Anderson D., Tim Stockdale, Magdalena Alonso-Balmaseda, Laura Ferranti, Frédéric Vitart, Franco Molteni, F. Doblas-Reyes, Kristian Mogensen, A. Vidard (April 2007) Development of the ECMWF seasonal forecast System 3, ECMWF Technical Memoranda n. 503, pp. 56. DOI: 10.21957/tz11xypf4
- T.N. Palmer, Roberto Buizza, Martin Leutbecher, Renate Hagedorn, T. Jung, Mark Rodwell, Frédéric Vitart, J. Berner, E. Hágel, A.R. Lawrence, Florian Pappenberger, Y-Y. Park, L von Bremen, I Gilmour (October 2007) The Ensemble Prediction System - Recent and Ongoing Developments, ECMWF Technical Memoranda n. 540, pp. 53. DOI: 10.21957/bh84yl1rj
- David Anderson, Tim Stockdale, Magdalena Alonso-Balmaseda, Laura Ferranti, Frédéric Vitart, Franco Molteni, Francisco Dolbas-Reyes, Kristian Mogensen, Arthur Vidard (July 2007) Seasonal Forecast System 3, ECMWF Newsletter, issue 110, pp. 19-25. DOI: 10.21957/kc2i5xvfzp
- Frédéric Vitart, Tim Stockdale, Laura Ferranti (July 2007) Seasonal forecasting of tropical storm frequency, ECMWF Newsletter, issue 112, pp. 16-22. DOI: 10.21957/70sb244i3p
- 2006
- Roberto Buizza, Jean-Raymond Bidlot, Nils Wedi, Manuel Fuentes, Mats Hamrud, Graham Holt, Tim Palmer, Frédéric Vitart (July 2006) The ECMWF Variable Resolution Ensemble Prediction System (VAREPS), ECMWF Newsletter, issue 108, pp. 14-20. DOI: 10.21957/st10ye392d
- Roberto Buizza, Jean-Raymond Bidlot, Nils Wedi, Manuel Fuentes, M. Hamrud, G. Holt, T.N. Palmer, Frédéric Vitart (July 2006) The new ECMWF Variable Resolution Ensemble Prediction System (VAREPS): methodology and validation., ECMWF Technical Memoranda n. 499, pp. 32. DOI: 10.21957/u29g10kaa
- 2005
- T. Jung, Frédéric Vitart (July 2005) Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean., ECMWF Technical Memoranda n. 470, pp. 17. DOI: 10.21957/2yan0i8ij
- 2003
- Frédéric Vitart (October 2003) Monthly forecasting system., ECMWF Technical Memoranda n. 424, pp. 70. DOI: 10.21957/idipp7l0x
- Anderson D., Tim Stockdale, Magdalena Alonso-Balmaseda, Laura Ferranti, Frédéric Vitart, F. Doblas-Reyes, Renate Hagedorn, T. Jung, A. Vidard, A. Troccoli, T.N. Palmer (April 2003) Comparison of the ECMWF seasonal forecast Systems 1 and 2, including the relative performance for the 1997/8 El Nino, ECMWF Technical Memoranda n. 404, pp. 93. DOI: 10.21957/bnb7k5yjf
- J. Vialard, Frédéric Vitart, Magdalena Alonso-Balmaseda, T.N. Palmer, D.L.T. Anderson (September 2003) An ensemble generation method for seasonal forecasting with an ocean-atmosphere coupled model, ECMWF Technical Memoranda n. 417, pp. 20. DOI: 10.21957/7w92p4q1r
- 2002
- Frédéric Vitart, Anderson D., Tim Stockdale (October 2002) Seasonal forecasting of tropical cyclone landfall over Mozambique, ECMWF Technical Memoranda n. 387, pp. 30. DOI: 10.21957/0dcuyol9
- Magdalena Alonso-Balmaseda, Frédéric Vitart, Laura Ferranti, Anderson D. (September 2002) Westerly wind events and the 1997 El NIno event in the ECMWF seasonal forecasting system: a case study, ECMWF Technical Memoranda n. 370, pp. 29. DOI: 10.21957/7y56l0jq0
- 2000
- A. Troccoli, Magdalena Alonso-Balmaseda, Segschneider J., J. Vialard, D.L.T. Anderson, K. Haines, Tim Stockdale, Frédéric Vitart (June 2000) Salinity adjustments in the presence of temperature data assimilation, ECMWF Technical Memoranda n. 305, pp. 25. DOI: 10.21957/bt2mazdi2