| AHPS |
Advanced Hydrologic Prediction Services |
| ALERT |
Automated Local Evaluation in Real Time |
| AMS |
American Meteorological Society |
| ASOS |
Automated Surface Observing System |
| AWIPS |
Advanced Weather Interactive Processing System |
| CDC |
Climate Diagnostics Center |
| CDEC |
California Data Exchange Center |
| CFS |
Cubic Feet Per Second |
| CFS-D |
Cubic Feet Per Second - Day |
| CNRFC |
California Nevada River Forecast Center |
| COLA |
Center for Ocean-Land Atmospheric Studies |
| CPC |
Climate Prediction Center |
| CSU-CIRA |
Colorado State University - Cooperative Institute for Research in the Atmosphere |
| DOC |
Department of Commerce |
| DWR |
California Department of Water Resources |
| ECMWF |
European Centre for Medium Range Weather
Forecasts |
| ESP |
Ensemble Streamflow Prediction |
| FFG |
Flash Flood Guidance |
| FNMOC |
Fleet Numerical Meteorological and
Oceanography Center |
| FSL |
Forecast Systems Laboratory |
| GFS |
Global Forecast System |
| HAS |
Hydrometeorological Analysis and Support |
| HPC |
Hydrometeorological Prediction Center |
| IGES |
Institute of Global Environment and
Society |
| IFP |
Interactive Forecast Program |
| IR |
Infrared |
| KCFS |
Thousands of Cubic Feet Per Second |
| METAR |
The acronym translates from French as Aviation Routine Weather Report |
| MOS |
Model Output Statistics |
| NAM |
North American Mesoscale |
| NCEP |
National Center for Environmental Prediction |
| NESDIS |
National Environmental Satellite Data
and Information |
| NOAA |
National Oceanic and Atmospheric Administration |
| NRCS |
Natural Resources Conservation Service |
| NWS |
National Weather Service |
| NWS-WR |
National Weather Service - Western
Region |
| NWSRFS |
National Weather Service River Forecast
System |
| PACJET |
Pacific Landing Jets Experiment |
| PORTS |
Physical Ocean Real-Time System |
| QPE |
Quantitative Precipitation Estimate |
| QPF |
Quantitative Precipitation Forecast |
| RFC |
River Forecast Center |
| RUC |
Rapid Update Cycle |
| SREF |
Short Range Ensemble Forecasting |
| SSD |
Satellite Services Division |
| USACE |
U.S. Army Corps of Engineers |
| USFS |
U.S. Forest Service |
| USBR |
U.S. Bureau of Reclamation |
| USDA |
U.S. Department of Agriculture |
| USGS |
U.S. Geological Survey |
| WFO |
Weather Forecast Office |
| WSR-88D |
Weather Surveillance Radar (NEXRAD Doppler Radar) |
| WV |
Water Vapor |
www.weather.gov 
