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Home » About » Acronyms


3DVAR 3-Dimensional Variational Assimilation

4DVAR 4-Dimensional Variational Assimilation

AFWA Air Force Weather Agency

AFWS Automated Flood Warning Systems

AGL Above Ground Level (height above ground)

AGU American Geophysical Union

ALPS Advanced Linux Prototype System

AMDAR Aircraft Meteorological Data Report(s)

AMS American Meteorological Society

AMV Atmospheric Motion Vectors

AOD Aerosol Optical Depth

AOML Atlantic Oceanographic and Meteorological Laboratory

AQ Air Quality

AR Atmospheric River

ARL Air Resources Laboratory

ARM Atmospheric Radiation Measurement - Dept. of Energy research program

ARW Advanced Research WRF (dynamic core option in WRF)

ARTCC Air Route Traffic Control Center

ASDI Aircraft Situation Display to Industry (source of air traffic information, for INSITE)

ASTC Association of Science-Technology Centers (collaborators with Science on a Sphere)

ATD Advanced Technology Division

AVID Assimilation and Verification Innovative Division

AWC Aviation Weather Center (an NCEP center)

AWIPS Advanced Weather Interactive Processing System

AWT Aviation Weather Testbed

BL Boundary Layer

CAVE Common AWIPS Visualization Environment

CBVT CWSU Briefing and Verification Tool

CCFP Collaborative Decision Making (CDM) Convective Forecast Planning

CCPP Common Community Physics Package

CICE Community ICE model (developed largely at Los Alamos Natl. Laboratory)

CIRA Cooperative Institute for Research in the Atmosphere (CIRA at Colorado State Univ.)

CIRES Cooperative Institute for Research in Environmental Sciences (CIRES at Univ. of CO)

CIWS Corridor Integrated Weather System

CLARUS Road weather observations database at the Federal Highways Administration

CONUS Contiguous United States

CoSPA Consolidated Storm Prediction for Aviation

CPC Climate Prediction Center (an NCEP center)

CPU Central Processing Unit

CRADA Cooperative Research and Development Agreement

CSU Colorado State University

CU University of Colorado

CWB Central Weather Bureau of Taiwan

CWSU Center Weather Service Unit (NWS forecaster units at ARTCCs)

DA Data assimilation

DMIT NOAA Data Management Integration Team

DOC Department of Commerce

DOE Department of Energy

DOT Department of Transportation

DSS Decision Support System

DTC Developmental Testbed Center

Dycore Dynamic core (for atmospheric model)

EC Environment Canada

ECMWF European Centre for Medium-Range Weather Forecasts

EDEX Environmental Data Exchange

EDM NOAA Environmental Data Management Committee

EDS Evaluation and Decision Support Division

EGU European Geosciences Union

EPAD Earth Prediction Advancement Division

EnKF Ensemble Kalman filter

EnKF/4DVAR Ensemble Kalman filter / four-dimensional variational

ENSO El Niño Southern Oscillation

ESM Earth System Model

ESMF Earth System Modeling Framework

ESPC Earth System Prediction Capability

ESRL Earth System Research Laboratories

EVENT Event-Based Verification and Evaluation of NWS Gridded Products Tool

FAA Federal Aviation Administration/U.S. Department of Transportation

FACETs Forecasting a Continuum of Environmental Threats

FAR False Alarm Ratio

FDSE Forecaster Decision Support Environment

FFaIR Flash Flood and Intense Rainfall (testbed)

FFMP Flash Flood Monitoring and Prediction

FHWA Federal Highways Administration/U.S. Department of Transportation

FIM Flow-following finite-volume Icosahedral Model (experimental global model)

FL Flight Level (e.g., FL350 for level at 35,000 feet)

FV Finite Volume (numerical method)

FV3 Finite Volume Cubed Sphere model

FX-Net Forecasting in an X-Windows environment using the Internet (AWIPS-I based)

GCM Global Climate Model

GEFS Global Ensemble Forecast System

GEOSS Global Earth Observation System of Systems

GF/GFO Grell-Freitas (convective scheme, or Grell-Freitas-Olson version)

GFDL Geophysical Fluid Dynamics Laboratory

GFE Graphical Forecast Editor

GFS NCEP Global Forecast System model

GHG Graphical Hazard Generator

GNSS Global Navigation Satellite Systems

GOCART Goddard Chemistry Aerosol Radiation and Transport model

GOES Geostationary Operational Environmental Satellite

GPM Global Precipitation Measurement

GPRA Government Performance and Results Act

GPS-IPW Global Positioning System-Integrated Precipitable Water

GPS-Met Global Positioning System Meteorology system

GPU Graphics Processing Unit

GSL Global Systems Laboratory

GSI Gridpoint Statistical Interpolation data assimilation system

GTAS Geo-Targeted Alerting System

GTG Graphical Turbulence Guidance

GUI Graphical User Interface

HADS Hydrometeorological Automated Data System

HFIP Hurricane Forecast Improvement Program

HIWPP High-Impact Weather Prediction Project (Sandy Supplemental funded project)

HMT Hydrometeorological Testbed

HPC Hydrometeorological Prediction Center (within NCEP)

HPCS High-Performance Computing System

HRRR High-Resolution Rapid Refresh model

HRRRE High-Resolution Rapid Refresh Ensemble

HWRF Hurricane Weather Research and Forecasting model

HWT Hazardous Weather Testbed

HYCOM HYbrid Coordinate Ocean Model (community ocean model)

IDSS Impact-based Decision Support Services

iHYCOM Icosahedral-horizontal-coordinate version of HYCOM ocean model

IMET Incident Meteorologist (NWS)

INSITE Integrated Support for Impacted Air-Traffic Environments

ISO International Organization for Standardization

JCSDA Joint Center for Satellite Data Assimilation

JPSS Joint Polar Satellite System Proving Ground

JTWC Joint Typhoon Warning Center

LAMP Localized Aviation MOS Program

LAPS Local Analysis and Prediction System

LES Large-Eddy Simulation

LLWS Low-Level Wind Shear

LSM Land-Surface Model (parameterization)

MADIS Meteorological Assimilation Data Ingest System

METAR Aviation Routine Weather Report (translation from French)

MDL Meteorological Development Laboratory (within NWS)

MIC Intel® Many Integrated Core (HPCS architecture)

MOA Memorandum of Agreement

MOU Memorandum of Understanding

MPAS Model for Prediction across Scales (NCAR global model)

MPFG Massively Parallel Fine Grain (computing)

MPI Message Passing Interface -- HPC standard for distributed memory programming

MPP Massively Parallel Processor

MRMS Multi-Radar/Multi-Sensor (national radar data merger system)

MYNN Mellor–Yamada–Nakanishi–Nino (boundary-layer parameterization)

NARRE North American Rapid Refresh Ensemble (with RAP and NAM members)

NCAR National Center for Atmospheric Research

NCEI NOAA National Centers for Environmental Information (part of NESDIS)

NEIS NOAA Earth Information System™

NCEP National Centers for Environmental Prediction

NDFD National Digital Forecast Database

NEMS NOAA Environmental Modeling System

NESDIS National Environmental Satellite, Data & Information Services

NEXRAD NEXt generation RADar

NextGen Next-Generation Air Transportation System

NGGPS Next-Generation Global Prediction System

NHC National Hurricane Center (an NCEP center)

NIM Non-hydrostatic Icosahedral Model (global model developed in GSD)

NMM Non-hydrostatic Mesoscale Model

NMMB Non-hydrostatic Multiscale Model on the B-grid

NMME North-American Multi-Model Ensemble (intraseasonal to interannual coupled models, eg FIM-iHYCOM)

Noah LSM Noah land-surface model (used widely in WRF and many NCEP models)

Noah-MP LSM Noah multi-parameterization land surface model

NPOESS NOAA Polar-Orbiting Environmental Satellite System

NPP NPOESS Preparatory Project

NRL Naval Research Laboratory

NSSL National Severe Storm Laboratory

NTSB National Transportation Safety Board

NUOPC National Unified Operational Prediction Capability (NOAA / DOD)

NWC National Water Center (NWS)

NWP Numerical Weather Prediction

NWS National Weather Service (NOAA)

O2R Operations to Research

OAR Oceanic and Atmospheric Research (NOAA’s research organization)

OpenACC Emerging standard for directive-based programming of multicore, many-core, and GPU architectures

OpenMP Industry standard for shared-memory directive-based programming

OSSE Observing System Simulation Experiment

OSE Observing System Experiment or Observation Sensitivity Experiment

PBL Planetary Boundary Layer

PHDT Probabilistic Hazard Detection Tool (uses time-lagged HRRR)

PHPT Probabilistic Hazard Prediction Tool

PM2.5 Particulate Matter – <2.5 microns

PMM Precipitation Measurement Mission

PW Precipitable Water

QOSAP Quantitative Observing System Assessment Program

QPE Quantitative Precipitation Estimation

R2A Research to Applications

R2O Research to Operations

RAP Rapid Refresh model

RMSE Root-Mean-Square Error

RTVS Real-time Verification System

RO Radio Occultation

RSA Range Standardization and Automation program at U.S. Space Centers

RUA Rapid Updating Analysis

RUC Rapid Update Cycle model

RUC LSM RUC Land-Surface Model

SBN Satellite Broadcast Network (AWIPS)

SSD Science and Technology Services Divisions (NWS)

SHOUT Sensing Hazards with Operational Unmanned Technology

SFIP Solar Forecast Improvement Project

SM Statute Mile

SMS Scalable Modeling System

SOO Science and Operations Officer (in NWS)

SOS Science On a Sphere®

SOSX SOS Explorer™

SPC Storm Prediction Center (within NCEP)

SST Sea-Surface temperature

S2S Subseasonal to seasonal (global model applications, usually atmos-ocean coupled)

TCV Tropical Cyclone Valid Time Event Code product

TMU Traffic Management Unit (Aviation)

TPW Total Precipitable Water

TRACON Terminal Radar Approach CONtrol

TWPCFC Taiwan-West Pacific Climate Forecast System

UAS Unmanned Aircraft System

UH Updraft Helicity

USAF U.S. Air Force

VACT Volcanic Ash Coordination Tool

VRMC Verification Requirements Monitoring Capability

VIIRS Visible Infrared Imaging Radiometer Suite

WAM Whole Atmosphere Model

WCRP World Climate Research Program

WFIP Wind Forecast Improvement Project (1 and 2)

WINS Weather Integration and Nowcasting System (CWB’s version of AWIPS)

WoF Warn-On Forecast – OAR research project

WPC Weather Prediction Center (an NCEP center)

WRF Weather Research and Forecasting model (community model system)

WRF-Chem Extended version of WRF model including inline chemistry (two-way interaction)

WWE Winter Weather Experiment