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Comparison of a 51-member low-resolution (TL399L62) ensemble with a 6-member high-resolution (TL799L91) lagged-forecast ensemble.

Author

Roberto Buizza

2008, Technical memorandum, ECMWF Technical Memoranda

File

8477-comparison-51-member-low-resolution-tl399l62-ensemble-6-member-high-resolution-tl799l91-lagged.pdf

Point verification and simple statistical adaptation of ECMWF model forecasts of dewpoint (2M)

Author

H. Böttger

1982, Technical memorandum, ECMWF Technical Memoranda

File

8511-point-verification-and-simple-statistical-adaptation-ecmwf-model-forecasts-dewpoint-2m.pdf

Report on a trial production of ECMWF forecasts based on 00Z data, 10 September - 30 November 1986

Author

H. Böttger

L. Campbell

V. Akyildiz

1987, Technical memorandum, ECMWF Technical Memoranda

File

8523-report-trial-production-ecmwf-forecasts-based-00z-data-10-september-30-november-1986.pdf

Collecting surface ship observations via maritime satellite telex service - a pilot study

Author

H. Böttger

P. Gray

L. Silveira

1984, Technical memorandum, ECMWF Technical Memoranda

File

8525-collecting-surface-ship-observations-maritime-satellite-telex-service-pilot-study.pdf

Optimal verification of ECMWF surface temperature forecasts at two locations in Europe

Author

H. Böttger

S. Grönås

1982, Technical memorandum, ECMWF Technical Memoranda

File

8526-optimal-verification-ecmwf-surface-temperature-forecasts-two-locations-europe.pdf

Monitoring the ASAP upper-air meteorological data at ECMWF (22 December to 20 January 1984)

Author

H. Böttger

J. Humphreys

1984, Technical memorandum, ECMWF Technical Memoranda

File

8528-monitoring-asap-upper-air-meteorological-data-ecmwf-22-december-20-january-1984.pdf

ECMWF monitoring tools and their application to North American radiosonde data

Author

H. Böttger

A. Radford

D. Söderman

1987, Technical memorandum, ECMWF Technical Memoranda

File

8530-ecmwf-monitoring-tools-and-their-application-north-american-radiosonde-data.pdf

ECMWF radiosonde monitoring results for OWSE-NA evaluation July 1986 to July 1987

Author

H. Böttger

A. Radford

D. Söderman

1987, Technical memorandum, ECMWF Technical Memoranda

File

8531-ecmwf-radiosonde-monitoring-results-owse-na-evaluation-july-1986-july-1987.pdf

Soil temperature at ECMWF: an assessment using ground-based observations

Author

C. Albergel

J. Munoz-Sabater

Thomas Haiden

Gianpaolo Balsamo

Anton Beljaars

L. Isaksen

Patricia de Rosnay

Irina Sandu

Nils Wedi

2014, Technical memorandum, ECMWF Technical Memoranda

File

8533-soil-temperature-ecmwf-assessment-using-ground-based-observations.pdf

An assessment of using dropsonde data in Numerical Weather Prediction

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8570-assessment-using-dropsonde-data-numerical-weather-prediction.pdf

EUCOS impact study

Author

Carla Cardinali

2000, Technical memorandum, ECMWF Technical Memoranda

File

8571-eucos-impact-study.pdf

Forecast sensitivity to observation (FSO) as a diagnostic tool

Author

Carla Cardinali

2009, Technical memorandum, ECMWF Technical Memoranda

File

8574-forecast-sensitivity-observation-fso-diagnostic-tool.pdf

Use of conventional surface observations in three-dimensional variational assimilation

Author

Carla Cardinali

Erik Andersson

P. Viterbo

Jean-Noël Thépaut

Drasko Vasiljevic

1994, Technical memorandum, ECMWF Technical Memoranda

File

8577-use-conventional-surface-observations-three-dimensional-variational-assimilation.pdf

Use and impact of automated aircraft data in 4D-Var

Author

Carla Cardinali

L. Isaksen

Erik Andersson

2002, Technical memorandum, ECMWF Technical Memoranda

File

8580-use-and-impact-automated-aircraft-data-4d-var.pdf

Forecast skill of targeted observations: a singular vector based diagnostic

Author

Carla Cardinali

Roberto Buizza

2003, Technical memorandum, ECMWF Technical Memoranda

File

8581-forecast-skill-targeted-observations-singular-vector-based-diagnostic.pdf

Impact of GPS radio occultation measurements in the ECMWF system using adjoint based diagnostics

Author

Carla Cardinali

Sean Healy

2013, Technical memorandum, ECMWF Technical Memoranda

File

8585-impact-gps-radio-occultation-measurements-ecmwf-system-using-adjoint-based-diagnostics.pdf

Representing model error in ensemble data assimilation

Author

Carla Cardinali

N. Zagar

G. Radnóti

Roberto Buizza

2014, Technical memorandum, ECMWF Technical Memoranda

File

8589-representing-model-error-ensemble-data-assimilation.pdf

The value of targeted observations - Part III: Influence of different weather regimes.

Author

Carla Cardinali

Roberto Buizza

G.A. Kelly

M. Shapiro

Jean-Noël Thépaut

2007, Technical memorandum, ECMWF Technical Memoranda

File

8590-value-targeted-observations-part-iii-influence-different-weather-regimes.pdf

Influence matrix diagnostic of a data assimilation system.

Author

Carla Cardinali

S. Pezzulli

Erik Andersson

2004, Technical memorandum, ECMWF Technical Memoranda

File

8592-influence-matrix-diagnostic-data-assimilation-system.pdf

Euro-Atlantic circulation types and modes of variability in winter in ERA-40 and NCEP reanalysis

Author

M.J. Casado

M.A. Pastor

F. Doblas-Reyes

2008, Technical memorandum, ECMWF Technical Memoranda

File

8608-euro-atlantic-circulation-types-and-modes-variability-winter-era-40-and-ncep-reanalysis.pdf

A method for solving a system of linear equations efficiently in order to optimise theanalysis code

Author

G.J. Cats

1981, Technical memorandum, ECMWF Technical Memoranda

File

8612-method-solving-system-linear-equations-efficiently-order-optimise-theanalysis-code.pdf

A method for solving a system of linear equations efficiently in order to optimise the analysis code: Operational implementation

Author

G.J. Cats

1981, Technical memorandum, ECMWF Technical Memoranda

File

8613-method-solving-system-linear-equations-efficiently-order-optimise-analysis-code-operational.pdf

Two case comparisons between vertical motions obtained from the quasi-geostrophic omega-equation and those in the ECMWF analysis system

Author

G.J. Cats

M.S. Tracton

1980, Technical memorandum, ECMWF Technical Memoranda

File

8614-two-case-comparisons-between-vertical-motions-obtained-quasi-geostrophic-omega-equation-and.pdf

The accuracy of modelled wind and waves fields in enclosed seas

Author

L. Cavaleri

L. Bertotti

2003, Technical memorandum, ECMWF Technical Memoranda

File

8629-accuracy-modelled-wind-and-waves-fields-enclosed-seas.pdf

Search ECMWF publications

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Comparison of a 51-member low-resolution (TL399L62) ensemble with a 6-member high-resolution (TL799L91) lagged-forecast ensemble.

Point verification and simple statistical adaptation of ECMWF model forecasts of dewpoint (2M)

Report on a trial production of ECMWF forecasts based on 00Z data, 10 September - 30 November 1986

Collecting surface ship observations via maritime satellite telex service - a pilot study

Optimal verification of ECMWF surface temperature forecasts at two locations in Europe

Monitoring the ASAP upper-air meteorological data at ECMWF (22 December to 20 January 1984)

ECMWF monitoring tools and their application to North American radiosonde data

ECMWF radiosonde monitoring results for OWSE-NA evaluation July 1986 to July 1987

Soil temperature at ECMWF: an assessment using ground-based observations

An assessment of using dropsonde data in Numerical Weather Prediction

EUCOS impact study

Forecast sensitivity to observation (FSO) as a diagnostic tool

Use of conventional surface observations in three-dimensional variational assimilation

Use and impact of automated aircraft data in 4D-Var

Forecast skill of targeted observations: a singular vector based diagnostic

Impact of GPS radio occultation measurements in the ECMWF system using adjoint based diagnostics

Representing model error in ensemble data assimilation

The value of targeted observations - Part III: Influence of different weather regimes.

Influence matrix diagnostic of a data assimilation system.

Euro-Atlantic circulation types and modes of variability in winter in ERA-40 and NCEP reanalysis

A method for solving a system of linear equations efficiently in order to optimise theanalysis code

A method for solving a system of linear equations efficiently in order to optimise the analysis code: Operational implementation

Two case comparisons between vertical motions obtained from the quasi-geostrophic omega-equation and those in the ECMWF analysis system

The accuracy of modelled wind and waves fields in enclosed seas

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