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Welcome to the GSI wiki!

Below is a table of contents for information provided on this wiki

• Home - this page
• GSI User Information
• GSI Code Management Policy
• GSI Code Standards
• GSI Ctests (regression tests)
• GSI: How to make changes to the GSI code
• GSI Minimization Code
• Using EFSOI with GDAS

NOTE:

The Unified Forecast System (UFS) will use the Joint Effort for Data assimilation Integration (JEDI) for its DA infrastructure. JEDI components, as they mature, will incrementally replace operational GSI-based components.

Given this, the focus of the NOAA-EMC/GSI repository has shifted to operational support during this transition. NOAA-EMC/GSI only supports current and planned operational NWS realizations of the GSI. Changes to NOAA-EMC/GSI must have a clear path to implementation with agreement from operational GSI application leads.