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Andrew C. Lorenc

Observed names: A. C. Lorenc, A. Lorenc, A.C. Lorenc, AC LORENC, Andrew Lorenc, Lorenc, A., Lorenc, Andrew
Institution: Met Office
ORCID: 0000-0001-7978-3594
Observed ORCID: 0000-0001-7978-3594
OpenAlex ID: A5001240169
Analysis methods for numerical weather prediction
1986 · A. C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 1,570
Unified Notation for Data Assimilation : Operational, Sequential and Variational (gtSpecial IssueltData Assimilation in Meteology and Oceanography: Theory and Practice)
1997 · Kayo Ide, Philippe Courtier, et al. · Journal of the Meteorological Society of Japan Ser II · 848
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The potential of the ensemble Kalman filter for NWP—a comparison with 4D‐Var
2003 · Andrew C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 781
A Global Three-Dimensional Multivariate Statistical Interpolation Scheme
1981 · A. C. Lorenc · Monthly Weather Review · 569
The Met. Office global three-dimensional variational data assimilation scheme
2000 · A. C. Lorenc, S. P. Ballard, et al. · Quarterly Journal of the Royal Meteorological Society · 492
The Met Office global four‐dimensional variational data assimilation scheme
2007 · F. Rawlins, S. P. Ballard, et al. · Quarterly Journal of the Royal Meteorological Society · 473
Operational implementation of a hybrid ensemble/4D‐Var global data assimilation system at the Met Office
2012 · A. M. Clayton, A. C. Lorenc, et al. · Quarterly Journal of the Royal Meteorological Society · 397
The Meteorological Office analysis correction data assimilation scheme
1991 · A. C. Lorenc, R. S. Bell, et al. · Quarterly Journal of the Royal Meteorological Society · 250
Comparison of Hybrid-4DEnVar and Hybrid-4DVar Data Assimilation Methods for Global NWP
2014 · Andrew C. Lorenc, Neill E. Bowler, et al. · Monthly Weather Review · 232
Collaboration of the Weather and Climate Communities to Advance Subseasonal-to-Seasonal Prediction
2010 · Gilbert Brunet, Melvyn Shapiro, et al. · Bulletin of the American Meteorological Society · 227
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Optimal nonlinear objective analysis
1988 · Andrew C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 169
Lidar-Measured Winds from Space: A Key Component for Weather and Climate Prediction
1995 · Wayman E. Baker, George D. Emmitt, et al. · Bulletin of the American Meteorological Society · 157
Objective quality control of observations using Bayesian methods. Theory, and a practical implementation
1988 · A. C. Lorenc, O. Hammon · Quarterly Journal of the Royal Meteorological Society · 155
Modelling of error covariances by 4D‐Var data assimilation
2003 · Andrew C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 149
Why does 4D‐Var beat 3D‐Var?
2005 · Andrew C. Lorenc, F. Rawlins · Quarterly Journal of the Royal Meteorological Society · 139
Forecast sensitivity to observations in the Met Office Global numerical weather prediction system
2013 · Andrew C. Lorenc, Richard T. Marriott · Quarterly Journal of the Royal Meteorological Society · 126
The evolution of planetary-scale 200 mb divergent flow during the FGGE year
1984 · A. C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 117
Development of an Operational Variational Assimilation Scheme (gtSpecial IssueltData Assimilation in Meteology and Oceanography: Theory and Practice)
1997 · Andrew C. Lorenc · Journal of the Meteorological Society of Japan Ser II · 108
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Bayesian quality control using multivariate normal distributions
1993 · N. Bruce Ingleby, Andrew C. Lorenc · Quarterly Journal of the Royal Meteorological Society · 103
A comparison of 4DVar with ensemble data assimilation methods
2013 · D. Fairbairn, S. R. Pring, et al. · Quarterly Journal of the Royal Meteorological Society · 92
Iteractive analysis using covariance functions and filters
1992 · Andrew Lorenc · Quarterly Journal of the Royal Meteorological Society · 84
A comparison of hybrid variational data assimilation methods for global NWP
2018 · Andrew C. Lorenc, Mohamed Jardak · Quarterly Journal of the Royal Meteorological Society · 62
The response of numerical weather prediction systems to FGGE level IIb data. Part I: Analyses
1985 · By A. Hollingsworth, A. C. Lorenc, et al. · Quarterly Journal of the Royal Meteorological Society · 57
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The response of numerical weather prediction systems to fgge level iib data. Part II: Forecast verifications and implications for predictability
1985 · By K. Arpe, A. Hollingsworth, et al. · Quarterly Journal of the Royal Meteorological Society · 57
4D‐Var and the butterfly effect: Statistical four‐dimensional data assimilation for a wide range of scales
2007 · Andrew C. Lorenc, Tim Payne · Quarterly Journal of the Royal Meteorological Society · 55
Works count: 66
Citation count: 8,139
H-index: 35
I10-index: 46
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