Technical Memoranda

503
D. Anderson; Tim Stockdale; Magdalena Alonso-Balmaseda; Laura Ferranti; Frédéric Vitart; Franco Molteni; F. Doblas-Reyes; Kristian Mogensen; A. Vidard
Development of the ECMWF seasonal forecast System 3
04/2007
7727-development-ecmwf-seasonal-forecast-system-3.pdf
506
R.J. Greatbach; T. Jung
Local versus tropical diabatic heating and the winter North Atlantic Oscillation
11/2006
9637-local-versus-tropical-diabatic-heating-and-winter-north-atlantic-oscillation.pdf
505
M. Weissmann; Carla Cardinali
The impact of airborne Doppler lidar observations on ECMWF forecasts
11/2006
13051-impact-airborne-doppler-lidar-observations-ecmwf-forecasts.pdf
504
David Richardson; Roberto Buizza; Laura Ferranti; A Ghelli; G. van der Grijn; Ervin Zsótér
Verification statistics and evaluations of ECMWF forecasts in 2005-2006.
11/2006
11902-verification-statistics-and-evaluations-ecmwf-forecasts-2005-2006.pdf
502
Peter Bauer; Philippe Lopez; Deborah Salmond; Alan Geer
Assimilation of cloud and precipitation affected microwave radiances
11/2006
7998-assimilation-cloud-and-precipitation-affected-microwave-radiances.pdf
501
F. Lalaurette; Jean-Raymond Bidlot; Laura Ferranti; A Ghelli; F. Grazzini; Martin Leutbecher; David Richardson; G. van der Grijn
Verification statistics and evaluations of ECMWF forecasts in 2004-2005.
08/2006
10632-verification-statistics-and-evaluations-ecmwf-forecasts-2004-2005.pdf
500
P. Malguzzi; G. Grossi; A. Buzzi; R. Ranzi; Roberto Buizza
The 1966 'century' flood in Italy: a meteorological and hydrological revisitation.
08/2006
10951-1966-century-flood-italy-meteorological-and-hydrological-revisitation.pdf
499
Roberto Buizza; Jean-Raymond Bidlot; Nils Wedi; Manuel Fuentes; M. Hamrud; G. Holt; T.N. Palmer; Frédéric Vitart
The new ECMWF Variable Resolution Ensemble Prediction System (VAREPS): methodology and validation.
07/2006
8472-new-ecmwf-variable-resolution-ensemble-prediction-system-vareps-methodology-and-validation.pdf
498
P. Prior
Report on the eighteenth meeting of Computing Representatives 8-9 June 2006
11/2006
11741-report-eighteenth-meeting-computing-representatives-8-9-june-2006.pdf
497
P. Prior
Report on the fourteenth Security Representatives' Meeting , 16-17 May 2006. (Restricted distribution)
07/2006
496
Niels Bormann; Sean Healy; M. Hamrud
Assimilation of MIPAS limb radiances in the ECMWF system. Part II: Experiments with a 2-dimensional observation operator and comparison to retrieval assimilation
08/2006
8311-assimilation-mipas-limb-radiances-ecmwf-system-part-ii-experiments-2-dimensional-observation.pdf
495
Niels Bormann; Jean-Noël Thépaut
Assimilation of MIPAS limb radiances in the ECMWF system. Part I: Experiments with a 1-dimensional observation operator.
08/2006
8289-assimilation-mipas-limb-radiances-ecmwf-system-part-i-experiments-1-dimensional-observation.pdf
494
Philippe Lopez; Peter Bauer
"1D+4D-Var" assimilation of NCEP Stage IV radar and gauge hourly precipitation data.
07/2006
10798-1d4d-var-assimilation-ncep-stage-iv-radar-and-gauge-hourly-precipitation-data.pdf
493
Erik Andersson; E. Hólm; Peter Bauer; Anton Beljaars; G.A. Kelly; A. McNally; Adrian Simmons; Jean-Noël Thépaut; A.M. Tompkins
Analysis and forecast impact of the main humidity observing systems
06/2006
7766-analysis-and-forecast-impact-main-humidity-observing-systems.pdf
492
E. Kucukkaraca; Mike Fisher
Use of analysis ensembles in estimating flow-dependent background error variances
04/2006
10563-use-analysis-ensembles-estimating-flow-dependent-background-error-variances.pdf
491
A.T. Weaver; C. Deltel; E. Machu; S. Ricci; N. Daget
A multivariate balance operator for variational ocean data assimilation.
04/2006
13007-multivariate-balance-operator-variational-ocean-data-assimilation.pdf
490
C. Eden; T. Jung
Wind-driven eddies and plankton blooms in the North Atlantic Ocean
03/2006
9259-wind-driven-eddies-and-plankton-blooms-north-atlantic-ocean.pdf
489
Angela Benedetti; Mike Fisher
Background error statistics for aerosols
06/2006
8059-background-error-statistics-aerosols.pdf
488
Peter Bauer; Philippe Lopez; Deborah Salmond; Angela Benedetti; S. Saarinen; M. Bonazzola
Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part II: 4D-Var.
02/2006
7999-implementation-1d4d-var-assimilation-precipitation-affected-microwave-radiances-ecmwf-part-ii.pdf
487
Peter Bauer; Philippe Lopez; Angela Benedetti; Deborah Salmond; E. Moreau
Implementation of 1D+4D-Var assimilation of precipitation affected microwave radiances at ECMWF, Part I: 1D-Var.
02/2006
7995-implementation-1d4d-var-assimilation-precipitation-affected-microwave-radiances-ecmwf-part-i-1d.pdf
486
Peter Bauer; E. Moreau; F. Chevallier; U. O'Keeffe
Multiple-scattering microwave radiative transfer for data assimilation applications.
02/2006
7989-multiple-scattering-microwave-radiative-transfer-data-assimilation-applications.pdf
485
T. Jung; S.K. Gulev; I. Rudeva; V. Soloviov
Sensitivity of extratropical cyclone characteristics to horizontal resolution in the ECMWF model.
02/2006
10341-sensitivity-extratropical-cyclone-characteristics-horizontal-resolution-ecmwf-model.pdf
484
T. Jung; Laura Ferranti; A.M. Tompkins
Response to the summer 2003 Mediterranean SST anomalies over Europe and Africa.
02/2006
10338-response-summer-2003-mediterranean-sst-anomalies-over-europe-and-africa.pdf
483
Laura Ferranti; P. Viterbo
The European summer of 2003: sensitivity to soil water initial conditions.
01/2006
9371-european-summer-2003-sensitivity-soil-water-initial-conditions.pdf