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Overview
OpenIFS users can check their model installation with a short acceptance test on T21 resolution. The meteorological evaluation framework makes it possible also to assess the meteorological performance of OpenIFS based on two sets of case studies.
We chose two weather events which had been predicted originally with different skill. Several model experiments were carried out to test the effect of starting date, forecast length, initial condition as well as spatial resolution on the forecast quality. The model outputs are visualized and evaluated using Metview.
After introduction of the two cases, this section guides the user step by step through running the selected experiments, post-processing the model outputs, downloading the reference data and visualising the model outputs with Metview. A catalogue from the prepared figures is also included. The input data and the namelists needed for the model runs, the scripts for the MARS retrieves of the re-analyses, the Metview macros for visualization and the output figures are available for download on the ECMWF download server.
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Introduction
Two cases are selected to demonstrate the model's capabilities on the one hand, and on the other hand, to provide reference cases for the users (to compare the results of their installed model version with the ones run at the ECMWF or to compare the results of different model versions). Important aspects at selection of the cases were their geographical scope (events having impact over the European weather are preferred) and their nature (events governed by dynamical forces are preferred).
Storm Desmond
- description of event
- model setup: dates / resolutions / erai & era5 / run length
- download from download.ecmwf.int/openifs/evalution
Storm Xavier
same
Post-processing step
- how to prepare data for plotting
- precipitation.
Metview macros
- where they are, how to set them up .. etc
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