[Dtcda_news] Announcement of 2016 GSI v3.5 and EnKF v1.0 release

Hui Shao huishao at ucar.edu
Tue Aug 9 13:30:54 MDT 2016

The Developmental Testbed Center (DTC) is pleased to announce the release of the following community data assimilation systems:

Version 3.5 of the Community Gridpoint Statistical Interpolation (GSI) data assimilation system
Version 1.1 of the Community ensemble Kalman filter (EnKF) data assimilation system

GSI and EnKF are currently the operational data assimilation systems for the National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS). GSI is also used by other operational systems/models, e.g., the North American Mesoscale (NAM) forecast system, Hurricane Weather Research and Forecasting (HWRF) model, the Rapid Refresh system, the Goddard Earth Observing System (GEOS), etc. EnKF shares the same observation operators with GSI.

The released package for GSI and EnKF and the documentation for each can be accessed through each system website as follows:

GSI user’s page: http://www.dtcenter.org/com-GSI/users/index.php <http://www.dtcenter.org/com-GSI/users/index.php>
EnKF user’s page: http://www.dtcenter.org/EnKF/users/index.php <http://www.dtcenter.org/EnKF/users/index.php>
Starting with this release, the DTC is transitioning to a new helpdesk ticketing system. Accordingly, questions and inquiries should be sent to the new helpdesk emails: gsi-help at ucar.edu <mailto:gsi-help at ucar.edu> and enkf-help at ucar.edu <mailto:enkf-help at ucar.edu>.

The DTC is a distributed facility, with a goal of bridging the research and operational communities. This code release is sponsored by the National Oceanic and Atmospheric Administration (NOAA) and the National Center for Atmospheric Research (NCAR). NCAR is supported by the National Science Foundation (NSF).

Hui Shao

Dr. Hui Shao

Data Assimilation Team Lead
Developmental Testbed Center (DTC)
http://www.dtcenter.org/ <http://www.dtcenter.org/>

Project Scientist
Research Applications Laboratory (RAL)
National Center for Atmospheric Sciences (NCAR)
Email: huishao at ucar.edu <mailto:huishao at ucar.edu>

Visiting Scientist
Environmental Modeling Center (EMC)/Joint Center for Satellite Data Assimilation (JCSDA)
National Centers for Environmental Prediction (NCEP)
Email: hui.shao at noaa.gov <mailto:hui.shao at noaa.gov>

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