5th WGNE workshop on systematic errors in weather and climate models

June 19-23, 2017, Montréal, Québec, Canada

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Description

The WCRP-JSC/CAS Working Group on Numerical Experimentation (WGNE) organized a workshop on systematic errors in weather and climate models, hosted by Environment and Climate Change Canada (ECCC) in Montreal during 19-23 June 2017.

The principal goal of the workshop was to increase understanding of the nature and cause of errors in models used for weather and climate prediction, including intra-seasonal to inter-annual scales. Of special interest were studies that consider errors found in multiple models and errors which are present across timescales. Diagnostics and metrics to identify and characterize systematic errors were also welcomed.

Following the workshop, an article was published in Bulletin of the American Meteorological Society. Here is the reference and a link to the article:

Zadra, A., K. Williams, A. Frassoni, M. Rixen, A. F. Adames, J. Berner, F. Bouyssel, B. Casati, H. Christensen, M. B. Ek, G. Flato, Y. Huang, F. Judt, H. Lin, E. Maloney, W. Merryfield, A. van Niekerk, T. Rackow, K. Saito, N. Wedi, P. Yadav, Systematic Errors in Weather and Climate Models: Nature, Origins, and Way Forward, BAMS Meeting Summaries. doi:10.1175/BAMS-D-17-0287.1

Considering recent reports from WGNE members, affiliated centres and groups, WGNE had identified some processes that models currently fail to represent accurately. The workshop was therefore organized around the following themes:

*Note that theTeleconnections theme included a sub-session on the Year of Tropics-Midlatitude Interactions and Teleconnections (YTMIT) organized in collaboration with the Subseasonal-to-Seasonal (S2S) Prediction Project

Work looking at model errors in the areas above was welcomed, although this list was not exhaustive.

The format of the workshop was similar to the previous one:

following a review by the workshop science committee.
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