Technical Memoranda

607
Emanuel Dutra; Gianpaolo Balsamo; P. Viterbo; P.M.A. Miranda; Anton Beljaars; C. Schär; K. Elder
New snow scheme in HTESSEL: description and offline validation
12/2009
9167-new-snow-scheme-htessel-description-and-offline-validation.pdf
606
David Richardson; Jean Bidlot; Laura Ferranti; A Ghelli; C. Gibert; Tim Hewson; Janousek Prates; Frédéric Vitart
Verification statistics and evaluations of ECMWF forecasts in 2008-2009.
10/2009
76162-verification-statistics-and-evaluations-ecmwf-forecasts-2008-2009.pdf
605
Roberto Buizza
The value of a variable resolution approach to numerical weather prediction
10/2009
8430-value-variable-resolution-approach-numerical-weather-prediction.pdf
604
T. Jung; T.N. Palmer; Mark Rodwell; S. Serrar
Understanding the anomalously cold European winter of 2005/06 using relaxation experiments
10/2009
10312-understanding-anomalously-cold-european-winter-200506-using-relaxation-experiments.pdf
603
T. Jung; M.J. Miller; T.N. Palmer
Diagnosing the origin of extended-range forecast error
10/2009
10339-diagnosing-origin-extended-range-forecast-error.pdf
602
Nils Wedi; Piotr Smolarkiewicz
A nonlinear perspective on the dynamics of the MJO: idealized large-eddy simulations
10/2009
13019-nonlinear-perspective-dynamics-mjo-idealized-large-eddy-simulations.pdf
601
Anna Agusti-Panareda; Anton Beljaars; Carla Cardinali; I. Genkova; C. Thorncroft
Impact of assimilating AMMA soundings on ECMWF analyses and forecasts
10/2009
7644-impact-assimilating-amma-soundings-ecmwf-analyses-and-forecasts.pdf
600
Niels Bormann; A. Collard; Peter Bauer
Estimates of spatial and inter-channel observation error characteristics for current sounder radiances for NWP
10/2009
8299-estimates-spatial-and-inter-channel-observation-error-characteristics-current-sounder-radiances.pdf
599
Carla Cardinali
Forecast sensitivity to observation (FSO) as a diagnostic tool
10/2009
8574-forecast-sensitivity-observation-fso-diagnostic-tool.pdf
598
T.N. Palmer; Roberto Buizza; F. Doblas-Reyes; T. Jung; Martin Leutbecher; G.J. Shutts; M. Steinheimer; Antje Weisheimer
Stochastic parametrization and model uncertainty
10/2009
11577-stochastic-parametrization-and-model-uncertainty.pdf
597
Frédéric Vitart; Franco Molteni
Simulation of the MJO and its teleconnections in an ensemble of 46-day EPS hindcasts
09/2009
12926-simulation-mjo-and-its-teleconnections-ensemble-46-day-eps-hindcasts.pdf
596
J. Kaiser; Johannes Flemming; M.G. Schultz; Martin Suttie; M.J. Wooster
The MACC Global Fire Assimilation System: First Emission Products (GFASv0)
08/2009
10373-macc-global-fire-assimilation-system-first-emission-products-gfasv0.pdf
595
Magdalena Alonso Balmaseda; Laura Ferranti; Franco Molteni; T.N. Palmer
Impact of 2007 and 2008 Arctic ice anomalies on the atmospheric circulation: Implications for long-range predictions
08/2009
73554-impact-2007-and-2008-arctic-ice-anomalies-atmospheric-circulation-implications-long-range.pdf
594
Nils Wedi; K. Yessad; A. Untch
The non-hydrostatic global IFS/ARPEGE model: model formulation and testing
10/2009
13031-non-hydrostatic-global-ifsarpege-model-model-formulation-and-testing.pdf
593
A. Orr
The representation of non-orographic gravity waves in the IFS Part II: A physically based spectral parametrization
05/2009
11446-representation-non-orographic-gravity-waves-ifs-part-ii-physically-based-spectral.pdf
592
A. Orr; Nils Wedi
The representation of non-orographic gravity waves in the IFS Part I: Assessment of the middle atmosphere climate with Rayleigh friction
05/2009
11447-representation-non-orographic-gravity-waves-ifs-part-i-assessment-middle-atmosphere-climate.pdf
591
D.L.T. Anderson; F. Doblas-Reyes; Magdalena Alonso Balmaseda; Antje Weisheimer
Decadal variability: processes, predictability and prediction
05/2009
73438-decadal-variability-processes-predictability-and-prediction.pdf
590
Johannes Flemming; Antje Inness; H. Flentje; V. Huijnen; P. Moinat; M.G. Schultz; O. Stein
Coupling global chemistry transport models to ECMWF's integrated forecast system
05/2009
9424-coupling-global-chemistry-transport-models-ecmwfs-integrated-forecast-system.pdf
589
Peter Bauer
4D-Var assimilation of MERIS total column water vapour retrievals over land
04/2009
8002-4d-var-assimilation-meris-total-column-water-vapour-retrievals-over-land.pdf
588
Peter Janssen; Jean Bidlot
On the extension of the freak wave warning system and its verification
05/2009
75042-extension-freak-wave-warning-system-and-its-verification.pdf
587
Antje Inness; Johannes Flemming; Martin Suttie; Luke Jones
GEMS data assimilation system for chemically reactive gases
05/2009
10109-gems-data-assimilation-system-chemically-reactive-gases.pdf
586
Niels Bormann; Deborah Salmond; Marco Matricardi; Alan Geer; M. Hamrud
The RTTOV-9 upgrade for clear-sky radiance assimilation in the IFS
03/2009
8285-rttov-9-upgrade-clear-sky-radiance-assimilation-ifs.pdf
585
Marco Matricardi
An assessment of the accuracy of the RTTOV fast radiative transfer model using IASI data
02/2009
11023-assessment-accuracy-rttov-fast-radiative-transfer-model-using-iasi-data.pdf
584
S. Kobayashi; Marco Matricardi; S. Uppala
Toward a consistent reanalysis of the upper stratosphere based on radiance measurements from SSU and AMSU-A.
02/2009
10519-toward-consistent-reanalysis-upper-stratosphere-based-radiance-measurements-ssu-and-amsu.pdf