HIRLAM NL 26 - 36

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HIRLAM Newsletter No. 26 February 1997 HIRLAM Newsletter No. 26 February 1997

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Contents

Welcome to HIRLAM 4 p.1
Modified use of Radiosonde Humidities in the OI Scheme, Peter Lonnberg p.6
Recent Developments in Soil Assimilation, Dominique Giard and Eric Bazile p.10
The Impact of SATEM Data on a Preliminary Version of the French 3D-Var. Assimilation Scheme, Roger Randriamampianina, Jean Pailleux, Jean-Noel Thepaut and P. Moll p.13
A New Strategy to Assimilate Soil Moisture Using Satellite Data, Bart van den Hurk, p. 15
Controlling Noise originating in the Sundqvist Scheme, Bent Hansen Sass and Aidan McDonald p.23
Useful Data Sets which Probe Particular Weaknesses in the HIRLAM Forecast Model, Aidan McDonald, Niels Woetrnan-Nielsen, Bent Hansen Sass, Stefan Gollvik, Viel Odegaard and Laura Rontu p.27
Documentation Framework, Gerard Cats and Wim Som de Cerff p.31
Preliminary Guide for Using RCS-Based HIRLAM, Toon Moene p.37

HIRLAM Newsletter No. 27 May 1997 HIRLAM Newsletter No. 27 May 1997

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Contents

Introduction p.1
Report of All-Staff Meeting, Dublin, 19-21 March, 1997 p.2
Recent and forthcoming HIRLAM Meetings p.6
DMI
Report of the DMI Operational HIRLAM Forecasting System p.8
Verification Scores for HIRLAM at DMI, Jan-Mar, 1997 p.13
FMI
Operational HIRLAM at the Finnish Meteorological Institute p.17
Verification Statistics for the FMI HIRLAM System, Jan-Mar, 1997 p.20
IMS
Operational use of HIRLAM at Met Eireann p.25
Verification Scores for Irish HIRLAM System, Jan-Mar, 1997 p.29
KNMI
HIRLAM at KNMI p.32
Verification Scores for KNMI HIRLAM System, Jan-Mar, 1997 p.34
DNMI
DNMI Limited Area Forecasting System p.37
Verification Scores for DNMI HIRLAM System, Jan-Mar, 1997 p.40
INM
Details of HIRLAM at INM p.41
SMHI
Report of the Operational HIRLAM System at SMHI p.43
Verification Scores for the 5MBI HIRLAM System, Jan-Mar, 1997 p.45
Meteo-France
Report on Operational Implementations at Meteo-France p.50
Comparative Verification of Mean Sea-level Pressure for HIRLAM p.61

HIRLAM Newsletter No. 28 August 1997 HIRLAM Newsletter No. 28 August 1997

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Contents

Introduction p.1

List of HIRLAM Local Contacts p.2

Recent and forthcoming HIRLAM Meetings p.2

Report of Management Group Visit to INM p.3

Reports of HIRLAM 4 Meetings in Toulouse, June, 1997:
Mini-workshop on Surface Assimilation and Parameterisation (Peter Lynch) p.7
Surface Parameterization: Summary of Discussion (Bent Hansen Sass) p.9
Assimilation of Soil Variables: Summary of Discussion (Nils Gustafsson) p.10
Physiographic Data: Summary of Discussion (Jose Antonio Garcia-Moya) p.11
Report of Session on Coding of ISBA (Bart van den Hurk) p.12
Micro-workshop on Condensation and Clouds (Bent Hansen Sass, Peter Lynch) p.14
Proposal for a common framework for new condensation schemes Jean-Francois Geleyn p.16
La Puerta al Futuro Report of Planning Meeting on New Model Version p.22
Parallelization of 0I Analysis: Meeting Report Werner Wergen p.25
*  *  *  *  *  *  *  *
Monitoring Observation and Analysis Quality Ray McGrath p.27
Removal of Numerical Instability in the HIRLAM Reference Analysis Ray McGrath p.42
Numerical Problems in the HIRLAM Model: Discussion and Suggestions Aidan McDonald p.45

HIRLAM Newsletter No. 29 November 1997 HIRLAM Newsletter No. 29 November 1997

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Contents

Introduction p.1

Report of Management Group Visit to KNMI, September, 1997 p.3
Report of Management Group Visit to DNMI, November, 1997 p.6
Winter experiments focussing on soil moisture assimilation Juan Jose Ayuso p.9
Using a higher vertical resolution for soil temperature in ARPEGE-Climat, Pascal Marquet p.13
Stand-alone and coupled tests of the snow parameterisation in use in the Meteo-France General Circulation Model, Herve Douville p.16
Field verification measures of the impact of nonlocal versus local first order closure turbulent diffusion in HIRLAM 2.5 Niels Woetrnan-Nielsen and Bjarne Amstrup p.17
On the wind speed dependence of momentum, sensible heat and moisture exchange coefficients over sea in the HIRLAM model Vladimir Makin and Veniamin Perov p.26
Introducing hydrometeor size information into the HIRLAM radiation scheme Klaus Wyser, Laura Rontu and Hannu Savijarvi p.32
Reduction of numerical noise connected to the parameterisatioll of cloud and condensation processes in the HIRLAM model, Bent Hansen Sass p.37
Influence of physiography on high resolution weather prediction models, Laila Sidselrud p.46
Postprocessing and diagnostics in HIRLAM 4, Bent Hansen Sass p.51
August bank-holiday floods, Aidan McDonald and Ray McGrath p.53
Preliminary experiences with a new nested system of high resolution HIRLAM models at DMI, Niels Woetman-Nielsen and Jess Jorgensen p.63
The HIRLAM Documentation System, Gerard Cats p.69
Abstract: HIRLAM analysis parallelisation with the aid of a message passing library John van de Vegte p.79
Abstract: The documentation framework: a browser-based documentation system for large FORTRAN programs Wim Som de Cerff

HIRLAM Newsletter No. 31 June 1998 HIRLAM Newsletter No. 31 June 1998

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Contents

Introduction, p.1
All-Staff Meeting, Lysebu, Oslo, 4-6 May, 1998, p.3
Report of Turbulence Evaluation Meeting, KNMI, De Bilt, p.7
The First-order Non-local Vertical Diffusion Scheme in HIRLAM-4., Niels Woetman-Nielsen p.12
HIRLAM Performance Using a TKE-f Turbulence Scheme, Javier Calvo and Joan Cuxart, p.14
Default Horizontal Diffusion Coefficient in HIRLAM-4.1, Aidan McDonald p.18
Improving HIRLAM Performance on the ECMWF Computer System p.19
Tests with the Re-coded Surface Scheme for HIRLAM-4, Ernesto Rodriguez-Camino p.21
The Operational Version of ISBA with Soil Moisture Assimilation, Eric Bazile and Dominique Giard p.26
Relative Humidity in Analysis, First Guess and Boundary Values, Viel 0degaard p.31
Implementation of a new Condensation Scheme in HIRLAM, Viel 0degaard Bent Hansen Sass p.34
One-dimensional HIRLAM Simulations of the BOMEX Case, Bent Hansen Sass p.36
Stretched Grids in the HIRLAM Model, Enda Kelly and Jim Hamilton p.40
Development of a Non-hydrostatic Version of HIRLAM, Rein Room p.44
Budget Diagnostics in Model Validation, Carl Fortelius p.46
Use of Digital Filters in Variational Assimilation, Loik Berre p.48
First Assimilation Tests with 3D-VAR in HIRLAM, Nils Gustafsson and Magnus Lindskog p. 51
Operational Reports.
DMI: Operational HIRLAM at DMI p.57
FMI: The Operational HIRLAM System at FMI p.60
IMS: HIRLAM at Met Eireann p.65
KNMI: Dutch Operational Set-up p.70
DNMI: Status of Operational HIRLAM at DNMI p.57
INM: Details of HIRLAM at INM p.74
SMHI: Operational HIRLAM System at SMHI p.77
Meteo-France: Report on Operational Implementations at Meteo-France p.81
Comparative Verification of Mean Sea-level Pressure for HIRLAM p.88
Verification on R egular and Rotated Grids, Ray McGrath, Aidan McDonald, Peter Lynch and Jim Hamilton p.90
Moving to a 3-Hour Assimilation Cycle, Ray McGrath p.93