Technical Memoranda

755
Peter Janssen
Notes on the maximum wave height distribution
06/2015
10185-notes-maximum-wave-height-distribution.pdf
754
Roberto Buizza; Martin Leutbecher
The Forecast Skill Horizon
06/2015
8450-forecast-skill-horizon.pdf
753
Cristina Lupu; Carla Cardinali; A. McNally
Adjoint-based forecast sensitivity applied to observation error variances tuning
06/2015
10864-adjoint-based-forecast-sensitivity-applied-observation-error-variances-tuning.pdf
752
N. Semane; Peter Bechtold
Convection and waves on Small Earth and Deep Atmosphere
03/2015
12174-convection-and-waves-small-earth-and-deep-atmosphere.pdf
751
W. Shi; N. Schaller; D. MacLeod; T.N. Palmer; Antje Weisheimer
Impact of hindcast length on estimates of seasonal climate predictability
03/2015
12198-impact-hindcast-length-estimates-seasonal-climate-predictability.pdf
750
Francesca Di Giuseppe; A.M. Tompkins
A parameterization of cloud overlap as a function of wind shear and its impact in ECMWF forecast
06/2015
9032-parameterization-cloud-overlap-function-wind-shear-and-its-impact-ecmwf-forecast.pdf
749
Cristina Lupu; Alan Geer; Niels Bormann
Revision of the microwave coefficient files in the IFS
03/2015
10861-revision-microwave-coefficient-files-ifs.pdf
748
Cristina Lupu; Alan Geer
Operational implementation of RTTOV-11 in the IFS
03/2015
10860-operational-implementation-rttov-11-ifs.pdf
747
Antje Inness; Angela Benedetti; Johannes Flemming; Mark Parrington; J. Kaiser; S. Remy
The ENSO signal in atmospheric composition fields: Emission driven versus dynamically induced changes
03/2015
10108-enso-signal-atmospheric-composition-fields-emission-driven-versus-dynamically-induced-changes.pdf
746
Robin Hogan; Alessio Bozzo
Mitigating surface temperature errors using approximate radiation updates
02/2015
11772-mitigating-surface-temperature-errors-using-approximate-radiation-updates.pdf
745
Antje Inness; A.-M. Blechschmidt; I. Bouarar; other authors
Data assimilation of satellite retrieved ozone, carbon monoxide and nitrogen dioxide with ECMWF's Composition-IFS
12/2014
7595-data-assimilation-satellite-retrieved-ozone-carbon-monoxide-and-nitrogen-dioxide-ecmwfs.pdf
744
C. Tavolato; L. Isaksen
On the use of a Huber norm for observation quality control in the ECMWF 4D-Var
11/2014
12572-use-huber-norm-observation-quality-control-ecmwf-4d-var.pdf
743
Massimo Bonavita; E. Hólm; L. Isaksen; Mike Fisher
The evolution of the ECMWF hybrid data assimilation system
12/2014
8271-evolution-ecmwf-hybrid-data-assimilation-system.pdf
742
Thomas Haiden; Peter Bauer; Jean Bidlot; Laura Ferranti; Tim Hewson; F. Prates; David Richardson; Frédéric Vitart
Evaluation of ECMWF forecasts, including 2013-2014 upgrades
12/2014
76570-evaluation-ecmwf-forecasts-including-2013-2014-upgrades.pdf
741
Alan Geer; Fabrizio Baordo; Niels Bormann; S.J. English
All-sky assimilation of microwave humidity sounders
11/2014
9507-all-sky-assimilation-microwave-humidity-sounders.pdf
740
Souhail Boussetta; Gianpaolo Balsamo; Emanuel Dutra; Anton Beljaars; C. Albergel
Analysis of surface albedo and Leaf Area Index from satellite observations and their impact on numerical weather prediction
11/2014
12032-analysis-surface-albedo-and-leaf-area-index-satellite-observations-and-their-impact-numerical.pdf
739
Roberto Buizza
The TIGGE global, medium-range ensembles
11/2014
7529-tigge-global-medium-range-ensembles.pdf
738
Frédéric Vitart; Gianpaolo Balsamo; Roberto Buizza; Laura Ferranti; Sarah Keeley; Linus Magnusson; Franco Molteni; Antje Weisheimer
Sub-seasonal predictions
10/2014
76828-sub-seasonal-predictions.pdf
737
Steffen Tietsche; Magdalena Alonso Balmaseda; Hao Zuo; Kristian Mogensen
Arctic sea ice in the ECMWF MyOcean2 ocean reanalysis ORAP5
10/2014
76702-arctic-sea-ice-ecmwf-myocean2-ocean-reanalysis-orap5.pdf
736
Hao Zuo; Magdalena Alonso Balmaseda; Kristian Mogensen
The ECMWF-MyOcean2 eddy-permitting ocean and sea-ice reanalysis ORAP5. Part 1: Implementation
10/2014
76996-ecmwf-myocean2-eddy-permitting-ocean-and-sea-ice-reanalysis-orap5-part-1-implementation.pdf
735
C. Albergel; Joaquin Munoz Sabater; Thomas Haiden; Gianpaolo Balsamo; Anton Beljaars; L. Isaksen; Patricia de Rosnay; Irina Sandu; Nils Wedi
Soil temperature at ECMWF: an assessment using ground-based observations
11/2014
73888-soil-temperature-ecmwf-assessment-using-ground-based-observations.pdf
734
K. Chen; S.J. English; Niels Bormann; J. Zhu
Assessment of FY-3A and FY-3B MWHS observations
09/2014
8663-assessment-fy-3a-and-fy-3b-mwhs-observations.pdf
733
M. Hamrud; Massimo Bonavita; L. Isaksen
EnKF and Hybrid Gain Ensemble Data Assimilation
09/2014
9766-enkf-and-hybrid-gain-ensemble-data-assimilation.pdf
732
M. Kazumori; Alan Geer; S.J. English
Effects of all-sky assimilation of GCOM-W1/AMSR2 radiances in the ECMWF System
10/2014
10425-effects-all-sky-assimilation-gcom-w1amsr2-radiances-ecmwf-system.pdf