Technical Memoranda

481
A.M. Tompkins; K. Gierens; G. Rädel
Ice supersaturation in the ECMWF Integrated Forecast System.
12/2005
12788-ice-supersaturation-ecmwf-integrated-forecast-system.pdf
480
Magdalena Alonso-Balmaseda; D.P. Dee; A. Vidard; D.L.T. Anderson
A multivariate treatment of bias for sequential data assimilation: application to the tropical oceans.
11/2005
7910-multivariate-treatment-bias-sequential-data-assimilation-application-tropical-oceans.pdf
479
Erik Andersson; Mike Fisher; E. Hólm; L. Isaksen; G. Radnóti; Y. Trémolet
Will the 4D-Var approach be defeated by nonlinearity?
09/2005
7768-will-4d-var-approach-be-defeated-nonlinearity.pdf
478
Peter Janssen; Jean-Raymond Bidlot; Saleh Abdalla; Hans Hersbach
Progress in ocean wave forecasting at ECMWF.
09/2005
10187-progress-ocean-wave-forecasting-ecmwf.pdf
477
Y. Trémolet
Accounting for an imperfect model in 4D-Var. [Comment: revised October 2006]
11/2005
12845-accounting-imperfect-model-4d-var-comment-revised-october-2006.pdf
476
F. Doblas-Reyes; Renate Hagedorn; T.N. Palmer; J.-J. Morcrette
Impact of increasing greenhouse gas concentrations in seasonal ensemble forecasts.
10/2005
9084-impact-increasing-greenhouse-gas-concentrations-seasonal-ensemble-forecasts.pdf
475
S. Di Michele; Peter Bauer
Passive microwave radiometer channel selection based on cloud and precipitation information content estimation.
07/2005
9040-passive-microwave-radiometer-channel-selection-based-cloud-and-precipitation-information.pdf
474
Marco Matricardi
The inclusion of aerosols and clouds in RTIASI, the ECMWF fast radiative transfer model for the infrared atmospheric sounding interferometer.
07/2005
11020-inclusion-aerosols-and-clouds-rtiasi-ecmwf-fast-radiative-transfer-model-infrared-atmospheric.pdf
473
T. Jung; T.N. Palmer; G.J. Shutts
Influence of stochastic physics on the frequency of occurrence of North Pacific weather regimes in the ECMWF model.
07/2005
10327-influence-stochastic-physics-frequency-occurrence-north-pacific-weather-regimes-ecmwf-model.pdf
472
T. Jung; J. Barkmeijer
Sensitivity of the tropospheric circulation to changes in the strength of the stratospheric polar vortex.
07/2005
10315-sensitivity-tropospheric-circulation-changes-strength-stratospheric-polar-vortex.pdf
471
T. Jung; A.M. Tompkins; Mark Rodwell
Some aspects of systematic error in the ECMWF model.
07/2005
10316-some-aspects-systematic-error-ecmwf-model.pdf
470
T. Jung; Frédéric Vitart
Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean.
07/2005
10319-medium-range-weather-forecasting-extratropics-during-wintertime-and-without-interactive-ocean.pdf
469
Y. Trémolet
Incremental 4D-Var convergence study
07/2005
12821-incremental-4d-var-convergence-study.pdf
468
Niels Bormann; Sean Healy
A fast radiative transfer model for limb radiances: Accounting for horizontal gradients.
05/2005
8295-fast-radiative-transfer-model-limb-radiances-accounting-horizontal-gradients.pdf
467
G. Radnóti; Y. Trémolet; Erik Andersson; L. Isaksen; E. Hólm; Marta Janiskova
Diagnostics of linear and incremental approximations in 4D-Var revisited for higher resolution analysis
06/2005
11816-diagnostics-linear-and-incremental-approximations-4d-var-revisited-higher-resolution-analysis.pdf
466
P. Prior
Report on the seventeenth meeting of Computing Representatives, 19-20 May 2005.
12/2005
11738-report-seventeenth-meeting-computing-representatives-19-20-may-2005.pdf
465
P. Prior
Report on the thirteenth Security Representatives' Meeting, 17-18 May 2005. (Restricted distribution)
11/2005
464
Peter Janssen; M. Onorato
The shallow water limit of the Zakharov Equation and consequences for (freak) wave prediction.
05/2005
10230-shallow-water-limit-zakharov-equation-and-consequences-freak-wave-prediction.pdf
463
F. Lalaurette; Jean-Raymond Bidlot; Laura Ferranti; A Ghelli; F. Grazzini; Martin Leutbecher; J-E. Paulsen; P. Viterbo
Verification statistics and evaluations of ECMWF forecasts in 2003-2004.
05/2005
10633-verification-statistics-and-evaluations-ecmwf-forecasts-2003-2004.pdf
462
Martin Leutbecher
On ensemble prediction using singular vectors started from forecasts.
04/2005
10732-ensemble-prediction-using-singular-vectors-started-forecasts.pdf
461
C. Coelho; D. Stephenson; Magdalena Alonso-Balmaseda; F. Doblas-Reyes; G.J. van Oldenborgh
Towards an integrated seasonal forecasting system for South America.
06/2005
8744-towards-integrated-seasonal-forecasting-system-south-america.pdf
460
A. Vidard; D.L.T. Anderson; Magdalena Alonso-Balmaseda
Impact of ocean observation systems on ocean analysis and seasonal forecasts.
04/2005
12921-impact-ocean-observation-systems-ocean-analysis-and-seasonal-forecasts.pdf
459
Andre Walser; M. Arpagus; Martin Leutbecher; C. Appenzeller
The impact of moist singular vectors and horizontal resolution on short-range limited-area ensemble forecasts for two European winter storms.
03/2005
12982-impact-moist-singular-vectors-and-horizontal-resolution-short-range-limited-area-ensemble.pdf
458
K. Haines; J. Blower; J-P. Drecourt; C. Liu; I. Astin; X. Zhou; A. Vidard
Salinity assimilation using S(T) relationships: Part 1 - Theory.
03/2005
9742-salinity-assimilation-using-st-relationships-part-1-theory.pdf