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Adjoint-based forecast sensitivity applied to observation error variances tuning

Author

Cristina Lupu

Carla Cardinali

A. McNally

2015, Technical memorandum, ECMWF Technical Memoranda

File

10864-adjoint-based-forecast-sensitivity-applied-observation-error-variances-tuning.pdf

Modifications to the operational analysis suite

Author

P. Lönnberg

1980, Technical memorandum, ECMWF Technical Memoranda

File

10874-modifications-operational-analysis-suite.pdf

The new analysis system

Author

P. Lönnberg

J. Pailleux

A. Hollingsworth

1986, Technical memorandum, ECMWF Technical Memoranda

File

10882-new-analysis-system.pdf

Improved seasonal prediction of the hot summer of 2003 over Europe through better representation of uncertainty in the land

Author

D.A. MacLeod

Hannah Cloke

Florian Pappenberger

Antje Weisheimer

2015, Technical memorandum, ECMWF Technical Memoranda

File

10897-improved-seasonal-prediction-hot-summer-2003-over-europe-through-better-representation.pdf

Verification of extreme weather events: Discrete predictands

Author

L. Magnusson

David Richardson

Thomas Haiden

2014, Technical memorandum, ECMWF Technical Memoranda

File

10909-verification-extreme-weather-events-discrete-predictands.pdf

Evaluation of forecasts for hurricane Sandy

Author

L. Magnusson

A.J. Thorpe

Massimo Bonavita

S.T.K. Lang

A. McNally

Nils Wedi

2013, Technical memorandum, ECMWF Technical Memoranda

File

10913-evaluation-forecasts-hurricane-sandy.pdf

On the dependence of ENSO simulation on the coupled model mean state

Author

L. Magnusson

Magdalena Alonso-Balmaseda

Franco Molteni

2011, Technical memorandum, ECMWF Technical Memoranda

File

10914-dependence-enso-simulation-coupled-model-mean-state.pdf

Evaluation of forecast strategies for seasonal and decadal forecasts in presence of systematic model errors

Author

L. Magnusson

Magdalena Alonso-Balmaseda

S Corti

Franco Molteni

Tim Stockdale

2012, Technical memorandum, ECMWF Technical Memoranda

File

10916-evaluation-forecast-strategies-seasonal-and-decadal-forecasts-presence-systematic-model-errors.pdf

Influence of physical processes on the tangent-linear approximation

Author

J.-F. Mahfouf

1998, Technical memorandum, ECMWF Technical Memoranda

File

10919-influence-physical-processes-tangent-linear-approximation.pdf

The importance of the Earth Radiation Mission for Numerical Weather Prediction

Author

J.-F. Mahfouf

Anton Beljaars

F. Chevallier

D. Gregory

C. Jakob

Marta Janiskova

J.-J. Morcrette

J. Teixeira

P. Viterbo

1999, Technical memorandum, ECMWF Technical Memoranda

File

10923-importance-earth-radiation-mission-numerical-weather-prediction.pdf

User requirements for the assimilation of TRMM products in the ECMWF 4D-Var system

Author

J.-F. Mahfouf

E. Gerard

V. Marécal

M.J. Miller

R. Saunders

1998, Technical memorandum, ECMWF Technical Memoranda

File

10927-user-requirements-assimilation-trmm-products-ecmwf-4d-var-system.pdf

The assimilation of SSM/I and TMI rainfall rates in the ECMWF 4D-Var system

Author

J.-F. Mahfouf

Peter Bauer

V. Marécal

2003, Technical memorandum, ECMWF Technical Memoranda

File

10929-assimilation-ssmi-and-tmi-rainfall-rates-ecmwf-4d-var-system.pdf

The ECMWF operational implementation of four dimensional variational assimilation. Part II: Experimental results with improved physics

Author

J.-F. Mahfouf

Florence Rabier

1999, Technical memorandum, ECMWF Technical Memoranda

File

10930-ecmwf-operational-implementation-four-dimensional-variational-assimilation-part-ii.pdf

A comparison of ETKF Targeting Guidance with ECMWF and NRL TE-SVs Targeting Guidance

Author

S. Majumdar

C.H. Bishop

Roberto Buizza

R. Gelaro

2002, Technical memorandum, ECMWF Technical Memoranda

File

10944-comparison-etkf-targeting-guidance-ecmwf-and-nrl-te-svs-targeting-guidance.pdf

A comparison of adaptive observing guidance for Atlantic tropical cyclones.

Author

S. Majumdar

S.D. Aberson

C.H. Bishop

Roberto Buizza

M.S. Peng

C. Reynolds

2005, Technical memorandum, ECMWF Technical Memoranda

File

10946-comparison-adaptive-observing-guidance-atlantic-tropical-cyclones.pdf

The 1966 'century' flood in Italy: a meteorological and hydrological revisitation.

Author

P. Malguzzi

G. Grossi

A. Buzzi

R. Ranzi

Roberto Buizza

2006, Technical memorandum, ECMWF Technical Memoranda

File

10951-1966-century-flood-italy-meteorological-and-hydrological-revisitation.pdf

Representing land surface heterogeneity with the tiling method: merits and limitations in presence of large contrast

Author

Manrique Suñén

A. Nordbo

Gianpaolo Balsamo

Anton Beljaars

I. Mammarella

2012, Technical memorandum, ECMWF Technical Memoranda

File

10959-representing-land-surface-heterogeneity-tiling-method-merits-and-limitations-presence-large.pdf

On the relation between index cycles of the atmosphere circulation and spatial spectrumof the kinetic energy in the model of the general circulation of the atmosphere

Author

G.I. Marchuk

V.P. Dymnikov

V.N. Lykossov

1981, Technical memorandum, ECMWF Technical Memoranda

File

10969-relation-between-index-cycles-atmosphere-circulation-and-spatial-spectrumof-kinetic-energy.pdf

Report on fifth meeting of Member State Computing Representatives, 11-14 April 1989

Author

D. Maretis

1989, Technical memorandum, ECMWF Technical Memoranda

File

10972-report-fifth-meeting-member-state-computing-representatives-11-14-april-1989.pdf

Climatologies of sensitive areas for short term forecast errors over Europe - EUMETNET-EUCOS study

Author

G.J. Marseille

F. Bouttier

2001, Technical memorandum, ECMWF Technical Memoranda

File

10978-climatologies-sensitive-areas-short-term-forecast-errors-over-europe-eumetnet-eucos-study.pdf

A Strategy for High-Resolution Ensemble Prediction Part II: Limited-area experiments in four Alpine flood events

Author

C. Marsigli

A. Montani

F. Nerozzi

T. Paccagnella

S. Tibaldi

Franco Molteni

Roberto Buizza

2001, Technical memorandum, ECMWF Technical Memoranda

File

10981-strategy-high-resolution-ensemble-prediction-part-ii-limited-area-experiments-four-alpine.pdf

The comparative impact of the assimilation of SSM/I and TMI brightness temperatures in the ECMWF 4D-Var system

Author

V. Marécal

E. Gerard

J.-F. Mahfouf

Peter Bauer

2000, Technical memorandum, ECMWF Technical Memoranda

File

10996-comparative-impact-assimilation-ssmi-and-tmi-brightness-temperatures-ecmwf-4d-var-system.pdf

Variational retrieval of temperature and humidity profiles from TRMM precipitation data

Author

V. Marécal

J.-F. Mahfouf

1999, Technical memorandum, ECMWF Technical Memoranda

File

10997-variational-retrieval-temperature-and-humidity-profiles-trmm-precipitation-data.pdf

Four dimensional variational assimiliation of total column water vapor in rainy areas

Author

V. Marécal

J.-F. Mahfouf

2000, Technical memorandum, ECMWF Technical Memoranda

File

10998-four-dimensional-variational-assimiliation-total-column-water-vapor-rainy-areas.pdf

Search ECMWF publications

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Adjoint-based forecast sensitivity applied to observation error variances tuning

Modifications to the operational analysis suite

The new analysis system

Improved seasonal prediction of the hot summer of 2003 over Europe through better representation of uncertainty in the land

Verification of extreme weather events: Discrete predictands

Evaluation of forecasts for hurricane Sandy

On the dependence of ENSO simulation on the coupled model mean state

Evaluation of forecast strategies for seasonal and decadal forecasts in presence of systematic model errors

Influence of physical processes on the tangent-linear approximation

The importance of the Earth Radiation Mission for Numerical Weather Prediction

User requirements for the assimilation of TRMM products in the ECMWF 4D-Var system

The assimilation of SSM/I and TMI rainfall rates in the ECMWF 4D-Var system

The ECMWF operational implementation of four dimensional variational assimilation. Part II: Experimental results with improved physics

A comparison of ETKF Targeting Guidance with ECMWF and NRL TE-SVs Targeting Guidance

A comparison of adaptive observing guidance for Atlantic tropical cyclones.

The 1966 'century' flood in Italy: a meteorological and hydrological revisitation.

Representing land surface heterogeneity with the tiling method: merits and limitations in presence of large contrast

On the relation between index cycles of the atmosphere circulation and spatial spectrumof the kinetic energy in the model of the general circulation of the atmosphere

Report on fifth meeting of Member State Computing Representatives, 11-14 April 1989

Climatologies of sensitive areas for short term forecast errors over Europe - EUMETNET-EUCOS study

A Strategy for High-Resolution Ensemble Prediction Part II: Limited-area experiments in four Alpine flood events

The comparative impact of the assimilation of SSM/I and TMI brightness temperatures in the ECMWF 4D-Var system

Variational retrieval of temperature and humidity profiles from TRMM precipitation data

Four dimensional variational assimiliation of total column water vapor in rainy areas

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