Technical reports

The HIRLAM Technical reports since the beginning of the HIRLAM programme are gradually being imported into the DOCman document management system.

 

Overview

TR# Subject Author(s)
HIRLAM Technical Report No. 70 (6.03 MB)icon

HARMONIE verifcation and evaluation
                March 2017 

Wim de Rooy and Hylke de Vries et al
HIRLAM Technical Report No. 69 (3.55 MB)icon A verification score for High resolution NWP:
idealized and preoperational tests
             December 2012

Bent H. Sass and Xiaohua Yang

... Report from the SRNWP Workshop on High
resolution data assimilation with emphasis
on the use of moisture-related observations
                July 2008

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Categories

HIRLAM Technical Report No. 68, July 2008

HIRLAM Technical Report No. 68, July 2008 ( 10 Files )

Report from the SRNWP Workshop on High resolution data assimilation with emphasis on the use of moisture-related observations, held 21-23 March 2007 at the Museum of Work, Norrkøping, Sweden. Edited by Nils Gustafsson.

Documents

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HIRLAM Technical Report No. 09: HIRLAM 2 Final Report HIRLAM Technical Report No. 09: HIRLAM 2 Final Report

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Nils Gustafsson

March 1993

Contents

1. INTRODUCTI0N p.2
2. IMPROVEMENTS OF THE LEVEL 1 SYSTEM DURING THE HIRLAM 2 PROJECT p.6
2.1 Continued removal of software errors p.6
2.2 Improved analysis scheme p.7
2.3 A workshop to study the performance of the Level 1 physics p.8
2.4 The HIRLAM system under Unix; a unified script system 11
3. OPERATIONAL EXPERIENCES OF THE HIRLAM LEVEL 1 SYSTEM p.13
3.1 FMI p.13
3.2 DMI p.24
3.3 Subjective evaluation of operational HIRLAM forecasts at SMHI p.28
4. THE HIRLAM LEVEL 2 DATA ASSIMILATION AND FORECASTING SYSTEM p.30
4.1 The reference HIRLAM Level 2 data assimilation and forecasting system p.30
4.2 Optional HIRLAM 2 forecasting system modules p.41
5. EVALUATION OF THE HIRLAM LEVEL 2 SYSTEM p.42
5.1 Parallel tests with Eulerian and semi-Lagrangian HIRLAM models and comparison with the Norwegian LAM system p.43
5.2 Parallel forecast experiments to test the effects using a longer time-step for the physics than for the dynamics calculations p.56
5.3 Parallel data assimilation and forecast experiments to evaluate the "Sundqvist"
condensation scheme p.58
5.4 Evaluation of HIRLAM Level 2 pre-operational nms at SMHI p.65
6. HIRLAM 2 RESEARCH ACTIVITIES p.67
6.1 Model Dynamics and Numerical Techniques p.67
6.2 Physical parameterization schemes p.78
6.3 Initialization schemes p.86
6.4 Data assimilation techniques p.88
6.5 Observations and Observing system experiments p.90
6.6 Development of an experimental mesoscale system p.94
7. VARIOUS OTHER HIRLAM 2 ACTIVITIES p.109
7.1 The ECMWF 00 UTC optional project p.109
7.2 Cooperation and exchange of software p.109
7.3 Presentations at international meetings. seminars and workshops p.110
7.4 The HIRLAM Mesoscale Modelling Workshop p.110
8. CONCLUDING REMARKS p.111
APPENDIX 1: Calendar of events p.113
APPENDIX 2: List of publications during HIRLAM 2 p.116
APPENDIX 3: Presentations about HIRLAM p.120
REFERENCES p.122

 

HIRLAM Technical Report No. 07: Implementation of a consistent scheme for condensation and clouds in HIRLAM HIRLAM Technical Report No. 07: Implementation of a consistent scheme for condensation and clouds in HIRLAM

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By
Jón Egill Kristjánsson
Section of Meteorology, University of Bergen, Norway
Xiang-Yu Huang
Department of Meteorology, Stockholm University, Sweden

December 1990

 

HIRLAM Technical Report No. 05: Final Report HIRLAM-1 HIRLAM Technical Report No. 05: Final Report HIRLAM-1

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By Bennert Machenhauer

December 1988

HIRLAM Technical Report No. 04: A case study of non-forecasted cyclogenesis in a polar air mass over the baltic sea HIRLAM Technical Report No. 04: A case study of non-forecasted cyclogenesis in a polar air mass over the baltic sea

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By Kai Myrberg, Jarmo Koistinen and Simo Jarvenoja

November 1988

HIRLAM Technical Report No. 03: A data assimilation experiment with high resolution TOVS data HIRLAM Technical Report No. 03: A data assimilation experiment with high resolution TOVS data

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By Nils Gustafsson and Jan Svensson

January 1988