National Centers for Environmental Prediction (NCEP)
EMC Model Documentation
Global Forecast System (GFS)
History of upgrades to GFS (previously known as AVN/MRF)
Links to Technical Procedures Bulletins (TPBs) providing detailed information)
Most recent version of model documentation
Medium-range ensemble forecasting
Documentation
Graphics
Spaghetti diagrams
Mean/spread diagrams for 6 most recent ensemble runs
Evaluation of GFS, ensemble based QPF
Ensemble verification (coming soon!)
GDAS (Global Data Assimilation System) documentation
Regional Atmospheric Modeling Systems
WRF-NMM tutorial
Description of operational Mesoscale Modeling Branch output grids
(including ftp link)
Mesoscale Modeling Branch FAQs
Links to regional modeling system output datasets
Short Range Ensemble Forecast (SREF)
Regional Spectral Model (RSM)
Rapid Update Cycle (RUC)
Ocean models
Link to operational ocean models
Links to experimental ocean models
Climate models
Seasonal SST (ENSO) forecasts
Seasonal atmospheric forecasts (based on ENSO forecast) for tropical, global, and U.S. domains