Technical Memoranda

386
G. van der Grijn
Tropical cyclone forecasting at ECMWF: new products and validation
09/2002
13266-tropical-cyclone-forecasting-ecmwf-new-products-and-validation.pdf
385
complier Prior
Report on the tenth Security Representatives' Meeting 23-24 May 2002
09/2002
384
Martin Leutbecher
A reduced rank estimate of forecast error variance changes due to intermittent modifications of the observing network
09/2002
10720-reduced-rank-estimate-forecast-error-variance-changes-due-intermittent-modifications-observing.pdf
383
E. Hólm; Erik Andersson; Anton Beljaars; Philippe Lopez; J.-F. Mahfouf; Adrian Simmons; Jean-Noël Thépaut
Assimilation and Modelling of the Hydrological Cycle: ECMWF's Status and Plans
09/2002
9996-assimilation-and-modelling-hydrological-cycle-ecmwfs-status-and-plans.pdf
380
I.F. Trigo; P. Viterbo
Clear-sky window channel radiances: a comparison between observations and the ECMWF model
10/2002
12831-clear-sky-window-channel-radiances-comparison-between-observations-and-ecmwf-model.pdf
379
A. Betts; C. Jakob
Study of diurnal cycle of convective precipitation over Amazonia using a single column model
07/2002
8200-study-diurnal-cycle-convective-precipitation-over-amazonia-using-single-column-model.pdf
378
A. Betts; C. Jakob
Evaluation of the diurnal cycle of precipitation, surface thermodynamics and surface fluxes in the ECMWF model using LBA data
08/2002
8199-evaluation-diurnal-cycle-precipitation-surface-thermodynamics-and-surface-fluxes-ecmwf-model.pdf
377
A. Dethof; E. Hólm
Ozone in ERA-40: 1991-1996
08/2002
9025-ozone-era-40-1991-1996.pdf
376
P. Prior
Report of the 14th meeting of Computer Representatives, 27-28 May 2002
08/2002
11730-report-14th-meeting-computer-representatives-27-28-may-2002.pdf
374
D. Gustafsson; E. Lewan; B.J.J. van den Hurk; P. Viterbo; A. Grelle; A. Lindroth; E. Cienciala; M. Mölder; S Halldin; L-C. Lundin
Boreal-Forest Surface parameterization in the ECMWFModel - 1D Test with NOPEX Long-Term Data
07/2002
9687-boreal-forest-surface-parameterization-ecmwfmodel-1d-test-nopex-long-term-data.pdf
373
F. Lalaurette
Early detection of abnormal weather using a probabilistic Extreme Forecast Index
07/2002
10629-early-detection-abnormal-weather-using-probabilistic-extreme-forecast-index.pdf
372
Erik Andersson; Anotonio Garcia-Mendez
Assessment of European wind profiler data, in an NWP context
06/2002
7749-assessment-european-wind-profiler-data-nwp-context.pdf
371
Carla Cardinali; L. Isaksen; Erik Andersson
Use and impact of automated aircraft data in 4D-Var
06/2002
8580-use-and-impact-automated-aircraft-data-4d-var.pdf
370
Magdalena Alonso-Balmaseda; Frédéric Vitart; Laura Ferranti; D. Anderson
Westerly wind events and the 1997 El NIno event in the ECMWF seasonal forecasting system: a case study
09/2002
7687-westerly-wind-events-and-1997-el-nino-event-ecmwf-seasonal-forecasting-system-case-study.pdf
369
O. Alves; Magdalena Alonso-Balmaseda; D. Anderson; Tim Stockdale
Sensitivity of dynamical seasonal forecasts to ocean initial conditions
09/2002
7693-sensitivity-dynamical-seasonal-forecasts-ocean-initial-conditions.pdf
368
S. Majumdar; C.H. Bishop; Roberto Buizza; R. Gelaro
A comparison of ETKF Targeting Guidance with ECMWF and NRL TE-SVs Targeting Guidance
05/2002
10944-comparison-etkf-targeting-guidance-ecmwf-and-nrl-te-svs-targeting-guidance.pdf
367
V. Marécal; J.-F. Mahfouf
Experiments on 4D-Var assimilation of rainfall data using an incremental formulation
04/2002
10999-experiments-4d-var-assimilation-rainfall-data-using-incremental-formulation.pdf
366
Peter Janssen
Nonlinear four wave interactions and freak waves
05/2002
10194-nonlinear-four-wave-interactions-and-freak-waves.pdf
365
A.T. Weaver; J. Vialard; D.L.T. Anderson; P. Délécluse
Three- and four-dimensional variational assimilation using a general circulation model of the tropical Pacific Ocean
03/2002
13006-three-and-four-dimensional-variational-assimilation-using-general-circulation-model-tropical.pdf
364
V. Marécal; J.-F. Mahfouf; Peter Bauer
Comparison of TMI rainfall estimates and their impact on 4D-Var assimilation
04/2002
11001-comparison-tmi-rainfall-estimates-and-their-impact-4d-var-assimilation.pdf
363
Peter Bauer; J.-F. Mahfouf; W.S. Olson; F.S Marzano; S. Di Michele; A. Tassa; A. Mugnai
Error analysis of TMI rainfall estimates over ocean for variational data assimilation
04/2002
7983-error-analysis-tmi-rainfall-estimates-over-ocean-variational-data-assimilation.pdf
362
Martin Leutbecher; J. Barkmeijer; T.N. Palmer; A.J. Thorpe
Potential improvement of forecasts of two severe storms using targeted observations
03/2002
10726-potential-improvement-forecasts-two-severe-storms-using-targeted-observations.pdf
361
A. Hollingsworth; P. Viterbo; Adrian Simmons
The relevance of numerical weather prediction for forecasting natural hazards and for monitoring the global environment
03/2002
9989-relevance-numerical-weather-prediction-forecasting-natural-hazards-and-monitoring-global.pdf
360
C. Brankovic; M.J. Miller; A. Untch; Nils Wedi
Climate diagnostics of the ECMWF AMIP-2 simulations
01/2002
8361-climate-diagnostics-ecmwf-amip-2-simulations.pdf