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Linearity of optimal perturbation time evolution and sensitivity of ensemble forecasts toperturbation amplitude

Roberto Buizza
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

8414-linearity-optimal-perturbation-time-evolution-and-sensitivity-ensemble-forecasts-toperturbation.pdf
Use of conventional surface observations in three-dimensional variational assimilation

Carla Cardinali, Erik Andersson, P. Viterbo, Jean-Noël Thépaut, Drasko Vasiljevic
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

8577-use-conventional-surface-observations-three-dimensional-variational-assimilation.pdf
Assimilation of radio occultation measurements into a Numerical Weather Predictionsystem

J. Eyre
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

9331-assimilation-radio-occultation-measurements-numerical-weather-predictionsystem.pdf
Accuracy of the ERS-1 altimeter-derived Fast Delivery Products for wave dataassimilation

Guillaume A.
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

9678-accuracy-ers-1-altimeter-derived-fast-delivery-products-wave-dataassimilation.pdf
Recent studies of semi-Lagrangian advection at ECMWF

M. Hortal
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

10016-recent-studies-semi-lagrangian-advection-ecmwf.pdf
Report on the eighth meeting of Member State Computing Representatives, 27-28 September 1994

Lea A.
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

10685-report-eighth-meeting-member-state-computing-representatives-27-28-september-1994.pdf
The ECMWF Ensemble Prediction System- methodology and validation

Franco Molteni, Roberto Buizza, T.N. Palmer, T. Petroliagis
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

11189-ecmwf-ensemble-prediction-system-methodology-and-validation.pdf
Extended versions of the convective parametrization scheme at ECMWF and their impact on the mean and transient activity of the model in the tropics

Nordeng T-E.
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

11393-extended-versions-convective-parametrization-scheme-ecmwf-and-their-impact-mean-and-transient.pdf
Recommendations on the verification of local weather forecasts

Nurmi P.
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

11400-recommendations-verification-local-weather-forecasts.pdf
Sensitivity of two-day forecast errors over the Northern Hemisphere to initial conditions

Florence Rabier, E. Klinker, Courtier P., A. Hollingsworth
1994, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

11795-sensitivity-two-day-forecast-errors-over-northern-hemisphere-initial-conditions.pdf

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