Official guidance for many NCEP operational systems can be found at the Model Analysis and Guidance (MAG) web page. The MAG page is supported 24 hours a day and 7 days a week.

 Global/Climate Modeling Systems:

• NCEP Global Forecast System
• Seasonal Forecasts from NCEP Climate Forecast System (maintained by NCEP Climate Prediction Center)
• NCEP Global Ensemble Guidance Main Page
• NCEP Global Ensemble Plumes
• NCEP Global Ensemble Calibrated (Bias-corrected and Downscaled) 6hr and 24h QPF/PQPF
• Climatology-Calibrated Precipitation Analysis (CCPA) (Journal of Hydrometeorogy Article)
  • Real-time CCPA Maps
  • CCPA Image Animation

Mesoscale Modeling / Analysis Systems:

• Short-Range Ensemble Forecast (SREF) Aviation Forecast page for CONUS, Alaska, Hawaii
• Rapid Refresh (ESRL/GSD web page)
• High Resolution Rapid Refresh (ESRL/GSD web page)
• High Resolution Ensemble Forecast (HREF) for CONUS, Alaska, Hawaii, Puerto Rico
• Operational Mesoscale Analysis Page (RTMA, URMA, RTMA-RU, URMA Time Series, URMA QPE)
• Hourly/6-hourly Precipitation Analysis (Stage II/IV, RTMA/URMA QPE)

Marine / Ocean Modeling and Analysis Systems:

• Global Real-time Ocean Forecast System (RTOFS)
• NOAA WAVEWATCH III
• Global Wave Ensemble System (GWES)
• NCEP Nearshore Wave Prediction System
• Ocean Fronts (Gulf Stream, Loop Current, Kuroshio)
• Sea Ice Validation
• Florida Cable Transports
• Global RTOFS Class-1 Satellite Verification

Air Quality Modeling Systems:

• NCEP Air Quality Model
• Operational GEFS-Aerosol forecast guidance graphics

Hurricane Modeling Systems:

• Hurricane WRF (HWRF)
• Hurricanes in a Multi-scale Ocean coupled Non-hydrostatic model (HMON)