Impact of the different components of 4DVAR on the global forecast system of the meteorological service of Canada

Monthly Weather Review

Volumn 135, Issue 6, 2007, Pages 2355-2364

  Laroche, Stéphane ^a   Gauthier, Pierre ^a   Tanguay, Monique ^a   Pellerin, Simon ^a   Morneau, Josée ^a  

^a ENVIRONMENT CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

FOUR-DIMENSIONAL VARIATIONAL DATA ASSIMILATION; FULL-RESOLUTION MODEL TRAJECTORY; METEOROLOGICAL SERVICE OF CANADA;

DATA PROCESSING; MATHEMATICAL MODELS; STORMS; WEATHER SATELLITES;

WEATHER FORECASTING;

DATA ASSIMILATION; METEOROLOGY; NUMERICAL MODEL; STORM; WEATHER FORECASTING;

CANADA; NORTH AMERICA;

EID: 34447335814     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/MWR3408.1     Document Type: Article

References (20)

1. Bélair, S., J. Mailhot, C. Girard, and P. Vaillancourt, 2005: Boundary layer and shallow cumulus clouds in a medium-range forecast of a large-scale weather system. Mon. Wea. Rev., 133, 1938-1960.
2. Buizza, R., 1994: Sensitivity of optimal unstable structures. Quart. J. Roy. Meteor. Soc., 120, 429-451.
3. Chouinard, C., C. Charette, J. Hallé, P. Gauthier, J. Morneau, and R. Sarrazin, 2001: The Canadian 3D-Var analysis scheme on model vertical coordinate. Preprints, 14th Conf. on Numerical Weather Prediction, Fort Lauderdale, FL, Amer. Meteor. Soc., 14-18.
4. Côté, J., S. Gravel, A. Staniforth, A. Patoine, M. Roch, and A. N. Staniforth, 1998: The operational CMC-MRB global environmental multiscale (GEM) model. Mon. Wea. Rev., 126, 1373-1395.
5. Courtier, P., J.-N. Thépaut, and A. Hollingsworth, 1994: A strategy for operational implementation of 4D-Var using an incremental approach. Quart. J. Roy. Meteor. Soc., 120, 1367-1387.
6. Fisher, M., and E. Andersson, 2001: Developments in 4D-Var and Kalman filtering. ECMWF Tech. Memo. 347, 38 pp.
7. Gauthier, P., C. Charette, L. Fillion, P. Koclas, and S. Laroche, 1999a: Implementation of a 3D variational data assimilation system at the Canadian Meteorological Centre. Part I: The global analysis. Atmos.-Ocean, 37, 103-156.
8. Gauthier, P., M. Buchner, and L. Fillion, 1999b: Background-error statistics modelling in a 3D variational data assimilation scheme: Estimation and impact on the analysis. Proc. ECMWF Workshop on Diagnosis of Data Assimilation Systems, Reading, United Kingdom, ECMWF, 131-145.
9. Gauthier, P., C. Chouinard, and B. Brasnett, 2003: Quality control: Methodology and applications. Data Assimilation for the Earth System, R. Swinbank, V. Shutyaev, and W. A. Lahoz, Eds., NATO Science Series, IV: Earth and Environmental Sciences, Vol. 26, Kluwer Academic, 177-187.
10. Gauthier, P., M. Tanguay, S. Laroche, S. Pellerin, and J. Morneau, 2007: Extension of 3DVAR to 4DVAR: Implementation of 4DVAR at the Meteorological Service of Canada. Mon. Wea. Rev., 135, 2339-2354.
11. Gilbert, J. C., and C. Lemaréchal, 1989: Some numerical experiments with variable-storage quasi-Newton algorithms. Math. Program., 45, 407-435.
12. Järvinen, H., E. Andersson, and F. Bouttier, 1999: Variational assimilation of time sequences of surface observations with serially correlated errors. Tellus, 51A, 469-488.
13. Laroche, S., M. Tanguay, and Y. Delage, 2002: Linearization of a simplified planetary boundary layer parameterization. Mon. Wea. Rev., 130, 2074-2087.
14. Mahfouf, J.-F., 2005: Linearization of a simple moist convection scheme for large-scale NWP models. Mon. Wea. Rev., 133, 1655-1670.
15. Mahfouf, J.-F., and F. Rabier, 2000: The ECMWF operational implementation of four dimensional variational assimilation. Part II: Experimental results with improved physics. Quart. J. Roy. Meteor. Soc., 126, 1171-1190.
16. Rabier, F., H. Järvinen, E. Klinker, J.-F. Mahfouf, and A. Simmons, 2000: The ECMVVT operational implementation of four dimensional variational assimilation. Part I: Experimental results with simplified physics. Quart. J. Roy. Meteor. Soc., 126, 1143-1170.
17. Tanguay, M., and S. Polavarapu, 1999: The adjoint of the semi-Lagrangian treatment of the passive tracer equation. Mon. Wea. Rev., 127, 551-564.
18. Thépaut, J.-N., R. N. Hoffman, and P. Courtier, 1993: Interactions of dynamics and observations in a four-dimensional variation assimilation. Mon. Wea. Rev., 121, 3393-3414.
19. Thépaut, J.-N., P. Courtier, G. Belaud, and G. Lemaître, 1996: Dynamical structure functions in a four-dimensional variational assimilation: A case-study. Quart. J. Roy. Meteor. Soc., 122, 535-561.
20. Zadra, A., M. Buehner, S. Laroche, and J.-F. Mahfouf, 2004: Impact of the GEM model simplified physics on the extratropical singular vectors. Quart. J. Roy. Meteor. Soc., 130, 2541-2569.