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Impact on initialization strategies and observations on seasonal forecast skill

Author

Magdalena Alonso-Balmaseda

D.L.T. Anderson

2008, Technical memorandum, ECMWF Technical Memoranda

File

7903-impact-initialization-strategies-and-observations-seasonal-forecast-skill.pdf

A revised hydrology for the ECMWF model: Verification from field site to terrestrial water storage and impact in the Integrated Forecast System

Author

Gianpaolo Balsamo

P. Viterbo

Anton Beljaars

B.J.J. van den Hurk

M. Hirschi

A. Betts

K. Scipal

2008, Technical memorandum, ECMWF Technical Memoranda

File

7921-revised-hydrology-ecmwf-model-verification-field-site-terrestrial-water-storage-and-impact.pdf

Advances in simulating atmospheric variability with the ECMWF model: from synoptic to decadal time-scales

Author

Peter Bechtold

M. Köhler

T. Jung

F. Doblas-Reyes

2008, Technical memorandum, ECMWF Technical Memoranda

File

8011-advances-simulating-atmospheric-variability-ecmwf-model-synoptic-decadal-time-scales.pdf

Aerosol analysis and forecast in the ECMWF Integrated Forecast System: Data assimilation.

Author

Angela Benedetti

J.-J. Morcrette

O. Boucher

A. Dethof

Richard Engelen

Mike Fisher

H. Flentjes

N. Huneeus

Luke Jones

J. Kaiser

S. Kinne

A. Mangold

Miha Razinger

Adrian Simmons

Martin Suttie

the team

2008, Technical memorandum, ECMWF Technical Memoranda

File

8065-aerosol-analysis-and-forecast-ecmwf-integrated-forecast-system-data-assimilation.pdf

Comparison of river basin hydrometeorology in ERA-Interim and ERA-40 with observations

Author

A. Betts

M. Köhler

Yuanchong Zhang

2008, Technical memorandum, ECMWF Technical Memoranda

File

8220-comparison-river-basin-hydrometeorology-era-interim-and-era-40-observations.pdf

Modifications to the ECMWF WAM code

Author

Jean-Raymond Bidlot

B. Hansen

Peter Janssen

1997, Technical memorandum, ECMWF Technical Memoranda

File

8231-modifications-ecmwf-wam-code.pdf

A modified set up of the advection scheme in the ECMWF wave model

Author

Jean-Raymond Bidlot

Peter Janssen

B. Hansen

H. Günther

1997, Technical memorandum, ECMWF Technical Memoranda

File

8232-modified-set-advection-scheme-ecmwf-wave-model.pdf

The 1997 revision of the Jb term in 3D/4D-Var

Author

F. Bouttier

J.C. Derber

Mike Fisher

1997, Technical memorandum, ECMWF Technical Memoranda

File

8349-1997-revision-jb-term-3d4d-var.pdf

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

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

Operational flood forecasting: a review of ensemble techniques

Author

Hannah Cloke

Florian Pappenberger

2008, Technical memorandum, ECMWF Technical Memoranda

File

8742-operational-flood-forecasting-review-ensemble-techniques.pdf

An ensemble three-dimensional variational data assimilation system for the global ocean: sensitivity to the observation- and background-error variance formulation.

Author

N. Daget

A.T. Weaver

Magdalena Alonso-Balmaseda

2008, Technical memorandum, ECMWF Technical Memoranda

File

74111-ensemble-three-dimensional-variational-data-assimilation-system-global-ocean-sensitivity.pdf

Variational bias correction in ERA-Interim

Author

D.P. Dee

S. Uppala

2008, Technical memorandum, ECMWF Technical Memoranda

File

8936-variational-bias-correction-era-interim.pdf

Use of the Fujitsu VPP700 for weather forecasting at ECMWF

Author

D. Dent

G.R. Hoffmann

Peter Janssen

Adrian Simmons

1997, Technical memorandum, ECMWF Technical Memoranda

File

8988-use-fujitsu-vpp700-weather-forecasting-ecmwf.pdf

Addressing model uncertainty in seasonal and annual dynamical ensemble forecasts.

Author

F. Doblas-Reyes

Antje Weisheimer

M. Deque

N. Keenlyside

M. McVean

J. Murphy

P. Rogel

D.M. Smith

T.N. Palmer

2008, Technical memorandum, ECMWF Technical Memoranda

File

9069-addressing-model-uncertainty-seasonal-and-annual-dynamical-ensemble-forecasts.pdf

Exploitation of satellite data in the surface analysis

Author

M. Drusch

K. Scipal

Patricia de Rosnay

Gianpaolo Balsamo

Erik Andersson

P. Bougeault

P. Viterbo

2008, Technical memorandum, ECMWF Technical Memoranda

File

9145-exploitation-satellite-data-surface-analysis.pdf

Comparing ERA-40 based L-band brightness temperatures with Skylab observations: A calibration / validation study using the Community Microwave Emission Model

Author

M. Drusch

T. Holmes

Patricia de Rosnay

Gianpaolo Balsamo

2008, Technical memorandum, ECMWF Technical Memoranda

File

9146-comparing-era-40-based-l-band-brightness-temperatures-skylab-observations-calibration.pdf

Four-dimensional data assimilation of atmospheric CO2 using AIRS observations

Author

Richard Engelen

S. Serrar

F. Chevallier

2008, Technical memorandum, ECMWF Technical Memoranda

File

9298-four-dimensional-data-assimilation-atmospheric-co2-using-airs-observations.pdf

Data assimilation in weather forecasting: a case study in PDE-constrained optimization

Author

Mike Fisher

J. Nocedal

Y. Trémolet

S.J. Wright

2008, Technical memorandum, ECMWF Technical Memoranda

File

9413-data-assimilation-weather-forecasting-case-study-pde-constrained-optimization.pdf

Improvement in the capturing of short-range warm season orographic precipitation in the ECMWF model.

Author

A. Orr

Peter Bechtold

2008, Technical memorandum, ECMWF Technical Memoranda

File

11449-improvement-capturing-short-range-warm-season-orographic-precipitation-ecmwf-model.pdf

The skill of ECMWF precipitation and temperature predictions in the Danube basin as forcings of hydrological models.

Author

Florian Pappenberger

Roberto Buizza

2008, Technical memorandum, ECMWF Technical Memoranda

File

11586-skill-ecmwf-precipitation-and-temperature-predictions-danube-basin-forcings-hydrological.pdf

TIGGE: Medium range multi model weather forecast ensembles in flood forecasting (a case study).

Author

Florian Pappenberger

J. Bartholmes

J. Thielen

E. Anghel

2008, Technical memorandum, ECMWF Technical Memoranda

File

11591-tigge-medium-range-multi-model-weather-forecast-ensembles-flood-forecasting-case-study.pdf

TIGGE: preliminary results on comparing and combining ensembles

Author

Y-Y. Park

Roberto Buizza

Martin Leutbecher

2008, Technical memorandum, ECMWF Technical Memoranda

File

11602-tigge-preliminary-results-comparing-and-combining-ensembles.pdf

Recent experimentation on 4D-Var and first results from a Simplified Kalman Filter

Author

Florence Rabier

J.-F. Mahfouf

Mike Fisher

H Järvinen

Adrian Simmons

Erik Andersson

F. Bouttier

P. Courtier

M. Hamrud

J. Haseler

A. Hollingsworth

L. Isaksen

E. Klinker

S. Saarinen

C. Temperton

Jean-Noël Thépaut

P. Undén

Drasko Vasiljevic

1997, Technical memorandum, ECMWF Technical Memoranda

File

11798-recent-experimentation-4d-var-and-first-results-simplified-kalman-filter.pdf

Search ECMWF publications

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Impact on initialization strategies and observations on seasonal forecast skill

A revised hydrology for the ECMWF model: Verification from field site to terrestrial water storage and impact in the Integrated Forecast System

Advances in simulating atmospheric variability with the ECMWF model: from synoptic to decadal time-scales

Aerosol analysis and forecast in the ECMWF Integrated Forecast System: Data assimilation.

Comparison of river basin hydrometeorology in ERA-Interim and ERA-40 with observations

Modifications to the ECMWF WAM code

A modified set up of the advection scheme in the ECMWF wave model

The 1997 revision of the Jb term in 3D/4D-Var

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

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

Operational flood forecasting: a review of ensemble techniques

An ensemble three-dimensional variational data assimilation system for the global ocean: sensitivity to the observation- and background-error variance formulation.

Variational bias correction in ERA-Interim

Use of the Fujitsu VPP700 for weather forecasting at ECMWF

Addressing model uncertainty in seasonal and annual dynamical ensemble forecasts.

Exploitation of satellite data in the surface analysis

Comparing ERA-40 based L-band brightness temperatures with Skylab observations: A calibration / validation study using the Community Microwave Emission Model

Four-dimensional data assimilation of atmospheric CO2 using AIRS observations

Data assimilation in weather forecasting: a case study in PDE-constrained optimization

Improvement in the capturing of short-range warm season orographic precipitation in the ECMWF model.

The skill of ECMWF precipitation and temperature predictions in the Danube basin as forcings of hydrological models.

TIGGE: Medium range multi model weather forecast ensembles in flood forecasting (a case study).

TIGGE: preliminary results on comparing and combining ensembles

Recent experimentation on 4D-Var and first results from a Simplified Kalman Filter

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