Technical Memoranda

196
Roberto Buizza
Computation of optimal perturbations using a local projection operator: A winter casestudy
10/1993
8413-computation-optimal-perturbations-using-local-projection-operator-winter-casestudy.pdf
195
Florence Rabier; A. McNally
Evaluation of forecast error covariance matrix
09/1993
11801-evaluation-forecast-error-covariance-matrix.pdf
194
P. Courtier; Erik Andersson; W.A. Heckley; G.A. Kelly; J. Pailleux; Florence Rabier; Jean-Noël Thépaut; P. Undén; Drasko Vasiljevic; Carla Cardinali; J. Eyre; M. Hamrud; J. Haseler; A. Hollingsworth; A. McNally; A. Stoffelen
Variational assimilation at ECMWF
09/1993
8786-variational-assimilation-ecmwf.pdf
193
N.G. Kvamstø
Synoptic cloudiness validation in the ECMWF model
08/1993
10579-synoptic-cloudiness-validation-ecmwf-model.pdf
192
Roberto Buizza
Impact of a simple vertical diffusion scheme and of the optimisation time interval onoptimal unstable structures
02/1993
8412-impact-simple-vertical-diffusion-scheme-and-optimisation-time-interval-onoptimal-unstable.pdf
191
A. Lea
Report on the seventh meeting of Member State Computing Representatives, 28-30 September 1992
10/1992
10684-report-seventh-meeting-member-state-computing-representatives-28-30-september-1992.pdf
190
L. Phalippou
A microwave radiative transfer model
02/1992
11667-microwave-radiative-transfer-model.pdf
189
Roberto Buizza
Unstable perturbations computed using the adjoint technique
10/1992
8411-unstable-perturbations-computed-using-adjoint-technique.pdf
188
T.N. Palmer; Franco Molteni; R. Mureau; Roberto Buizza; P. Chapelet; J. Tribbia
Ensemble prediction
07/1992
11560-ensemble-prediction.pdf
187
J. Eyre; G.A. Kelly; A. McNally; Erik Andersson
Assimilation of TOVS radiance information through one-dimensional variational analysis
07/1992
9338-assimilation-tovs-radiance-information-through-one-dimensional-variational-analysis.pdf
186
J. Eyre
A bias correction scheme for simulated TOVS brightness temperatures
10/1992
9330-bias-correction-scheme-simulated-tovs-brightness-temperatures.pdf
185
R. Rizzi; C. Serio; G.A. Kelly; V. Tramutoli; A. McNally; V. Cuomo
The cloud clearing comparison exercise
02/1992
11955-cloud-clearing-comparison-exercise.pdf
184a
C.M. Shun
Performance of the ECMWF model in tropical cyclone track forecasting over the Western North Pacific during 1990-1991
06/1992
12207-performance-ecmwf-model-tropical-cyclone-track-forecasting-over-western-north-pacific-during.pdf
184
R. Hoffman; J-F. Louis; T. Nehrkorn
A method for implementing adjoint calculations in the discrete case
02/1992
9906-method-implementing-adjoint-calculations-discrete-case.pdf
183
Florence Rabier; P. Courtier
Four-dimensional assimilation in the presence of baroclinic instability
12/1991
11787-four-dimensional-assimilation-presence-baroclinic-instability.pdf
182
A. Lea
Report on the sixth meeting of Member State Computing Representatives, 3-5 June 1991
09/1991
10683-report-sixth-meeting-member-state-computing-representatives-3-5-june-1991.pdf
181
J.-J. Morcrette; L. Illari; E. Klinker; H. Le Treut; M.J. Miller; P. Rasch; M. Tiedtke
Clouds and radiation.
08/1991
11258-clouds-and-radiation.pdf
180
Adrian Simmons
Development of a high-resolution semi-Lagrangian version of the ECMWF forecast model
08/1991
12246-development-high-resolution-semi-lagrangian-version-ecmwf-forecast-model.pdf
179
J. Pailleux; W.A. Heckley; Drasko Vasiljevic; Jean-Noël Thépaut; Florence Rabier; Carla Cardinali; Erik Andersson
Development of a variational assimilation system
08/1991
11480-development-variational-assimilation-system.pdf
178
Jean-Noël Thépaut; P. Courtier
Four-dimensional variational data assimilation using the adjoint of a multilevel primitiveequation model
02/1991
12693-four-dimensional-variational-data-assimilation-using-adjoint-multilevel-primitiveequation.pdf
177
Franco Molteni; R. Mureau; T.N. Palmer
Atmospheric instability and ensemble weather prediction
02/1991
11199-atmospheric-instability-and-ensemble-weather-prediction.pdf
176
J. Eyre
A fast radiative transfer model for satellite sounding systems
03/1991
9329-fast-radiative-transfer-model-satellite-sounding-systems.pdf
175
L. Perron
Use of SATOB satellite winds in a variational analysis scheme
03/1991
11626-use-satob-satellite-winds-variational-analysis-scheme.pdf
174
J. Pailleux
The impact of North Atlantic tempship radiosonde data on the ECMWF analysis and forecast
05/1990
11469-impact-north-atlantic-tempship-radiosonde-data-ecmwf-analysis-and-forecast.pdf