Operational Models Matrix: Characteristics of Operational NWP Models, part of the Numerical Weather Prediction Professional Development Series, contains information about the characteristics and architecture of commonly used operational models, their operationally significant strengths and weaknesses, and model assessment tools. The information is updated whenever significant model changes are made.
The module is linked to the Impact of Model Numerics on Weather Depiction module (also in the NWP PDS), which provides background information about model components.
The subject matter expert for this module is Dr. Ralph Petersen of the National Centers for Environmental Prediction, Environmental Modeling Center (NCEP/EMC).
operational models matrix, afwa, ruc, NMM-B, GFS, nwp, rap, Canadian Meterological Center, nogaps, coamps,
July 2014: The NWP model and EPS matrices have not been updated since September 2012. Luckily, no significant NWP model or EPS upgrades were made during the rest of 2012 and during 2013. For the Marine Wave Modeling Matrix, no new model information has been added since 2005, and many changes have been made to the wave models over the last nine years.
In 2014, however, implementations will be rapid and substantial, so the content of the NWP and EPS matrices will become more outdated. Already in 2014, the Rapid Refresh Model (RAP) was upgraded to version 2, and the Short-Range Ensemble Forecast (SREF) system had a major upgrade. For more information on these changes, see the Technical Information Notice (TIN) at http://www.nws.noaa.gov/os/notification/tin13-38rap_aab.htm for the RAP, and http://www.nws.noaa.gov/os/notification/tin14-02sref_winter_aaa.htm for the SREF
Changes to the Real-Time Mesoscale Analysis (RTMA) were also detailed on the NWP matrix through December 2008. See the RTMA module addendum for changes since then.
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