EMC online documentation includes information on specific forecasts systems, numerical data, and research publications.

1. Online Documentation on NWS Vlab and GitHub 

• Unified Forecast System (a.k.a FV3GFS) on GitHub
• FV3 Dynamic Core Documentation
• Unified Post-Processor Documentation
• NEMS Overview and Documentation
• RTMA/URMA Community
• GSI Analysis Code Community on VLab

2. Other Sources of Documentation

This is a list of various web sites and documents available online which provide detailed information on aspects of the EMC's Guidance Systems.

• Recent EMC Publications
• JNWPU/NMC/NCEP Model History Tables (1955-Present), with links to documentation if available
• FV3 Documentation at GFDL
• NWS Documents at the NOAA Institutional Repository
• Global Forecast System Reference Page (includes history of GFS upgrades since 1980)
• Global Ensemble Forecast System and NAEFS : Implementation Documents, Publications
• Climate Forecast System Version 2 Documentation
• NCEP Model Specification Table (Atmospheric Models only)
• NAM System Description (as of March 2017)
• Chronological List of NCEP Mesoscale system implementations since 1993
• Mesoscale Systems (mostly NAM) FAQ page
• EMC Hourly/6-Hourly Precipitation Analysis Page
• SREF References/Documents
• HRRR Main Page at GSL/ESRL
• RAP Main Page at GSL/ESRL
• NCEP Air Quality Model Reports
• WAVEWATCH III
• Global RTOFS
• Marine Modeling / Analysis Systems ; comprehensive list of documents since 1987
• HFSA
• HFSB
• EMC Model Evaluation Group