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Balanced tropical data assimilation based on a study of equatorial waves in ECMWF short-range forecast errors.

Author

Erik Zagar

Mike Fisher

2004, Technical memorandum, ECMWF Technical Memoranda

File

11364-balanced-tropical-data-assimilation-based-study-equatorial-waves-ecmwf-short-range-forecast.pdf

Field presentation of verification statistics: Summer forecasts of 1982 and 1983 compared

Author

R. Nieminen

1983, Technical memorandum, ECMWF Technical Memoranda

File

11382-field-presentation-verification-statistics-summer-forecasts-1982-and-1983-compared.pdf

Differences between the initialised and uninitialised analyses of the upper air fields and the impact on the verification results

Author

R. Nieminen

1984, Technical memorandum, ECMWF Technical Memoranda

File

11383-differences-between-initialised-and-uninitialised-analyses-upper-air-fields-and-impact.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

Author

T-E. Nordeng

1994, Technical memorandum, ECMWF Technical Memoranda

File

11393-extended-versions-convective-parametrization-scheme-ecmwf-and-their-impact-mean-and-transient.pdf

Recommendations on the verification of local weather forecasts

Author

P. Nurmi

1994, Technical memorandum, ECMWF Technical Memoranda

File

11400-recommendations-verification-local-weather-forecasts.pdf

Recommendations on the verification of local weather forecasts.

Author

P. Nurmi

2003, Technical memorandum, ECMWF Technical Memoranda

File

11401-recommendations-verification-local-weather-forecasts.pdf

Forecasting system performance in summer 1999. Part 2 Impact of changes to the ECMWF system

Author

Adrian Simmons

Erik Andersson

Mike Fisher

C. Jakob

G.A. Kelly

F. Lalaurette

A. McNally

A. Untch

P. Viterbo

2000, Technical memorandum, ECMWF Technical Memoranda

File

12264-forecasting-system-performance-summer-1999-part-2-impact-changes-ecmwf-system.pdf

Some results from studies of increased horizontal and vertical resolution

Author

Adrian Simmons

L. Dell'Osso

J.M. Hoyer

G. Sakellarides

1987, Technical memorandum, ECMWF Technical Memoranda

File

12269-some-results-studies-increased-horizontal-and-vertical-resolution.pdf

Error growth and predictability estimates for the ECMWF forecasting system

Author

Adrian Simmons

R. Mureau

T. Petroliagis

1994, Technical memorandum, ECMWF Technical Memoranda

File

12280-error-growth-and-predictability-estimates-ecmwf-forecasting-system.pdf

Stability of two-time-level semi-implicit integration scheme for gravity-wave motion

Author

Adrian Simmons

C. Temperton

1996, Technical memorandum, ECMWF Technical Memoranda

File

12285-stability-two-time-level-semi-implicit-integration-scheme-gravity-wave-motion.pdf

Stratospheric water vapour and tropical tropopause temperatures in ECMWF analyses and multi-year simulations

Author

Adrian Simmons

A. Untch

C. Jakob

P.W. Kållberg

P. Undén

1998, Technical memorandum, ECMWF Technical Memoranda

File

12287-stratospheric-water-vapour-and-tropical-tropopause-temperatures-ecmwf-analyses-and-multi-year.pdf

Report on a study of the EC radiation scheme

Author

J.M. Slingo

1982, Technical memorandum, ECMWF Technical Memoranda

File

12308-report-study-ec-radiation-scheme.pdf

End to end ensemble forecasting: Towards evaluating the economic value of the Ensemble Prediction System

Author

L.A. Smith

M.S. Roulston

J. von Hardenbergm

2001, Technical memorandum, ECMWF Technical Memoranda

File

12331-end-end-ensemble-forecasting-towards-evaluating-economic-value-ensemble-prediction-system.ps

Convection in Lorenz's global energy cycle with the ECMWF model.

Author

M. Steinheimer

M. Hantel

Peter Bechtold

2007, Technical memorandum, ECMWF Technical Memoranda

File

12394-convection-lorenzs-global-energy-cycle-ecmwf-model.pdf

Energy conserving Galerkin finite element schemes

Author

J. Steppeler

1986, Technical memorandum, ECMWF Technical Memoranda

File

12405-energy-conserving-galerkin-finite-element-schemes.pdf

Review of computer mass storage systems

Author

N. Storer

1981, Technical memorandum, ECMWF Technical Memoranda

File

12453-review-computer-mass-storage-systems.pdf

Report on the pilot study to establish the value of information exchange between ECMWF and national focal points for radiosonde systems

Author

B. Strauss

1990, Technical memorandum, ECMWF Technical Memoranda

File

12460-report-pilot-study-establish-value-information-exchange-between-ecmwf-and-national-focal.pdf

On the effect of energy/enstrophy conservation in the finite difference scheme of the ECMWF gridpoint model

Author

R. Strüfing

1982, Technical memorandum, ECMWF Technical Memoranda

File

12470-effect-energyenstrophy-conservation-finite-difference-scheme-ecmwf-gridpoint-model.pdf

Some comparisons between linear and non-linear horizontal diffusion schemes for theECMWF grid-point model

Author

R. Strüfing

1982, Technical memorandum, ECMWF Technical Memoranda

File

12471-some-comparisons-between-linear-and-non-linear-horizontal-diffusion-schemes-theecmwf-grid.pdf

Comparison of barotropic and baroclinic forecasts for verification

Author

H. Sävijärvi

1981, Technical memorandum, ECMWF Technical Memoranda

File

12508-comparison-barotropic-and-baroclinic-forecasts-verification.pdf

Winter and summer circulation statistics based on ECMWF operational analyses andforecasts

Author

H. Sävijärvi

1981, Technical memorandum, ECMWF Technical Memoranda

File

12509-winter-and-summer-circulation-statistics-based-ecmwf-operational-analyses-andforecasts.pdf

On the mass balance correction in diagnostics studies

Author

H. Sävijärvi

1981, Technical memorandum, ECMWF Technical Memoranda

File

12510-mass-balance-correction-diagnostics-studies.pdf

A case study of an overintensified cyclone development in the ECMWF

Author

H. Sävijärvi

O. Åkesson

1982, Technical memorandum, ECMWF Technical Memoranda

File

12516-case-study-overintensified-cyclone-development-ecmwf.pdf

Conceptual design for a WWW data management system

Author

D. Söderman

J. Gibson

1986, Technical memorandum, ECMWF Technical Memoranda

File

12521-conceptual-design-www-data-management-system.pdf

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Balanced tropical data assimilation based on a study of equatorial waves in ECMWF short-range forecast errors.

Field presentation of verification statistics: Summer forecasts of 1982 and 1983 compared

Differences between the initialised and uninitialised analyses of the upper air fields and the impact on the verification results

Extended versions of the convective parametrization scheme at ECMWF and their impact on the mean and transient activity of the model in the tropics

Recommendations on the verification of local weather forecasts

Recommendations on the verification of local weather forecasts.

Forecasting system performance in summer 1999. Part 2 Impact of changes to the ECMWF system

Some results from studies of increased horizontal and vertical resolution

Error growth and predictability estimates for the ECMWF forecasting system

Stability of two-time-level semi-implicit integration scheme for gravity-wave motion

Stratospheric water vapour and tropical tropopause temperatures in ECMWF analyses and multi-year simulations

Report on a study of the EC radiation scheme

End to end ensemble forecasting: Towards evaluating the economic value of the Ensemble Prediction System

Convection in Lorenz's global energy cycle with the ECMWF model.

Energy conserving Galerkin finite element schemes

Review of computer mass storage systems

Report on the pilot study to establish the value of information exchange between ECMWF and national focal points for radiosonde systems

On the effect of energy/enstrophy conservation in the finite difference scheme of the ECMWF gridpoint model

Some comparisons between linear and non-linear horizontal diffusion schemes for theECMWF grid-point model

Comparison of barotropic and baroclinic forecasts for verification

Winter and summer circulation statistics based on ECMWF operational analyses andforecasts

On the mass balance correction in diagnostics studies

A case study of an overintensified cyclone development in the ECMWF

Conceptual design for a WWW data management system

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