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NOAA Operational Model Archive Distribution System
| GFS(AVN) | Aviation run, now called GFS Global Forecast Model |
| CDAS | Climate Data Assimilation System (Reanalysis), Global T62 Reanalysis model |
| CAMS | Climate anomaly monitoring system |
| CERES | NASA Cloud and Earth Radiant Energy System |
| CMB | Climate modeling branch (EMC) |
| CMF | Coupled model forecast |
| CPC | Climate Prediction Center |
| EMC | Environmental Modeling Center |
| ERBE | NASA Earth Radiation Budget Experiment |
| ETA | high resolution regional model |
| FNL | final analysis, used as initial conditions for the GFS(AVN) and GFS(MRF) |
| GDAS | Global Data Assimilation System |
| GRIB | WMO standard for encoding gridded fields |
| ISCCP | International Satellite Cloud Climatology Project |
| LaRC | NASA Langley Research Center |
| GFS(MRF) | Medium Range Forecast, Global operational Forecast System, run at 00Z |
| MMAB | Marine Modeling and Analysis Branch (EMC) |
| NAM | North American Mesoscale |
| NCEP | National Centers for Environmental Prediction, part of NWS |
| NGM | Nested Grid Model, an older regional model |
| NMM | Nonhydrostatic Mesoscale Model |
| NVAP | NASA Water Vapor Project |
| NWS | National Weather Service, part of the Department of Commerce |
| OI | Optimal interpolation |
| OLR | Outgoing Long-wave Radiation |
| OMB | Ocean Modeling Branch (EMC) |
| PATMOS/CLAVR | Pathfinder Atmospheric data/Cloud from AVHRR |
| RTOFS | Real-Time Ocean Forecast System (old AOFS) model |
| RSM | Regional Spectral Model |
| SST | Sea surface temperature |
| TOA | Top of atmosphere |
| TRMM | NASA Tropical Rainfall Measurement Mission |
| WRF | Weather Research & Forecasting |