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:
  • 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)
  • EMC Global Wave Models (WAVEWATCH III)
  • Global Wave Ensemble System (GWES)
  • NCEP Nearshore Wave Prediction System
  • Sea Ice Validation
  • Ocean Fronts (Gulf Stream, Loop Current, Kuroshio)
  • 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)