| AAAS |
American Association for the
Advancement of Science |
| AAWU |
Alaskan Aviation Weather Unit |
| ACARS |
ARINC Communications Addressing and
Reporting System |
| ADDS |
Aviation Digital Data Service |
| AFOS |
Automation of Field Operations and
Services |
| AFSS |
Automated Flight Service Station |
| AFTN |
Air Force Television Network |
| AFWA |
Air Force Weather Agency |
| AGFS |
Aviation Gridded Forecast System |
| AGL |
Above Ground Level |
| AIRMET |
Airman's Meteorological advisory (WA) |
| AIV |
Aviation Impact Variables |
| AMS |
American Meteorology Society |
| ANBURS |
Alphanumeric Backup Replacement System |
| AOB |
Aviation Operations Branch |
| AOPA |
Aircraft Owners and Pilots Association |
| APST |
Aviation Products and Services Team |
| ARAM |
Aviation, Range, and Aerospace Meteorology |
| ARINC |
Aeronautical Radio, Incorporated |
| ARSI |
Atmospheric Research System, Inc. |
| ARTCC |
Air Route Traffic Control Center |
| ASB |
Aviation Support Branch |
| ASC |
Aviation Services Coordinator |
| ASD |
Aircraft Situation Display (ARINC) |
| ASIST |
Aviation Safety Investment Strategy Team (NASA) |
| ASOS |
Automated Surface Observing System |
| ATA |
Air Transport Association |
| ATC |
Air Traffic Control |
| ATCSCC |
Air Traffic Control System Command Center |
| AVARS |
Aircraft Vertical Acceleration Reporting System |
| AVN |
Aviation Model (forecast tool) |
| AWC |
Aviation Weather Center |
| AWIPS |
Advanced Weather Interactive
Processing System |
| CAeM |
Commission for Aeronautical Meteorology |
| CAFTI |
Committee on Analysis and Forecast Techniques Implementation |
| CANAM |
Canadian/American |
| CAPS |
Center for Analysis and Prediction of Storms |
| CASC |
Central Administrative Support Center |
| CAT |
Clear Air Turbulence |
| CDB |
Computing Development Branch (NCEP) |
| CDM |
Collaborative Decision Making |
| CFO |
Chief Financial Officer |
| CGEN |
Convective SIGMET Generation |
| CIP |
Current Icing Potential |
| COMET |
Cooperative program for Operational
Meteorology, Education, and Training |
| CONUS |
Continental United States |
| CSI |
Conditional Symmetric Instability |
| CSI |
Critical Success Index |
| CSTAR |
Collaborative Science, Technology, and
Applied Research |
| CWA |
Center Weather Advisory - CWSU |
| CWSU |
Center Weather Service Unit |
| FA |
Area Forecast |
| FAA |
Federal Aviation Administration |
| FAA/AWR |
Federal Aviation
Administration/Aviation Weather Research Division |
| FAA/ARW |
Federal Aviation
Administration/Aviation Requirements - Weather group |
| FAR |
Federal Aviation Regulation |
| FAR |
False Alarm Ratio |
| FAWS |
Flight Advisory Weather Service |
| FD |
Winds and Temperatures Aloft Forecasts |
| FIAS |
Flight Information Advisory Service |
| FIP |
Forecast Icing Potential |
| FIR |
Flight Information Region |
| FOUS |
Forecast Output United States |
| FSL |
Forecast Systems Laboratory |
| FSS |
Flight Service Station |
| FTE |
Full Time Employee |
| FTP |
File Transfer Protocol |
| FVT |
Forecast Verification Tool |
| FY |
Fiscal Year |
| G-Airmet |
Graphical Airmet |
| GAI |
Global Atmospherics, Inc. |
| GAMA |
General Aviation Manufacturers
Association |
| GDS |
GeoMet Data Services |
| GEMPAK |
General Environmental Meteorological
Package (programming language) |
| GFA |
Graphical Area Forecast |
| GFDL |
Geophysical Fluid Dynamics Laboratory
(ERL) |
| GOES |
Geostationary Operational
Environmental Satellite |
| GPS |
Global Positioning System |
| GSA |
General Services Administration |
| GTG |
Graphical Turbulence Guidance |
| GUI |
Graphical User Interface |
| IATA |
International Air Transport
Association |
| ICAO |
International Civil Aviation
Organization |
| IDS |
International Data Service |
| IFFDP |
International Flight Folder
Documentation Program |
| IFR |
Instrument Flight Rules |
| IIDA |
Integrated
Icing Diagnostic Algorithm |
| IOS |
Integrated Operational Services |
| IR |
Infrared |
| ISCS |
International Satellite Communications
System |
| ITWS |
Integrated Terminal Weather System |
| ITT |
Information Technology Team |
| MARD |
Modernization
and Restructuring Demonstration |
| MBRFC |
Missouri Basin River Forecast Center |
| McIDAS |
Man Computer Interactive Data
Acquisition System |
| MESO |
Mesoscale Convective Unit |
| METAR |
Meteorological Aviation Report |
| MIC |
Meteorologist In Charge |
| MOA |
Memorandum of Agreement |
| MOS |
Model Output Statistics applications |
| MOREnet |
Missouri Research and Education
Network |
| MPC |
Marine Prediction Center |
| MVFR |
Marginal Visual Flight Rules |
| MWAVE |
Mountain Wave algorithm |
| MWO |
Meteorological Watch Office |
| NACA |
National Advisory Committee on
Aeronautics |
| NADIN |
National Airspace Data Interchange
Network (FAA) |
| NAOS |
North American Atmospheric Observing
System |
| NAP |
NCEP Advisory Panel |
| NAS |
National Airspace System |
| NASA |
National Aeronautics and Space
Administration |
| NATA |
National Air Transportation Assoc. |
| NAWAU |
National Aviation Weather Advisory
Unit |
| N-AWIPS |
National Centers-AWIPS |
| NBAA |
National Business Aviation Association |
| NC |
National Center(s) |
| NCAR |
National Center for Atmospheric
Research |
| NCAR/RAP |
National Center for Atmospheric
Research/Research Applications Program |
| NCEP |
National Centers for Environmental
Prediction |
| NCO |
NCEP Central Operations |
| NCDB |
NCEP Computer Development Branch |
| NCWD |
National Convective Weather Diagnostic |
| NCWF |
National Convective Weather Forecast |
| NESDIS |
National Environmental Satellite, Data
and Information Service |
| NESDIS/SAB |
National Environmental Satellite, Data
and Information Service/Satellite Analysis Branch |
| NEXRAD |
Next Generation Weather Radar |
| NGM |
Nested Grid Model |
| NIDS |
NEXRAD Information Distribution
Service |
| NLDN |
National Lightning Detection Network |
| NMC |
National Meteorological Center |
| NMOC |
National
Meteorological Operations Centre
(Australia) |
| NNICE |
Neural Network for Icing |
| NOAA |
National Oceanic and Atmospheric
Administration |
| NOTAM |
Notice to Airmen |
| NPRA |
National Performance Results Act |
| NPSU |
National Public Service Unit |
| NSF |
National
Science Foundation |
| NSSFC |
National Severe Storms Forecast Center |
| NSSL |
National Severe Storms Laboratory |
| NTSB |
National Transportation Safety Board |
| NWS |
National Weather Service |
| NWSEO |
National Weather Service Employees
Organization |
| NWSH |
National Weather Service Headquarters |
| NWSTC |
National Weather Service Training
Center |
| NWSTG |
National Weather Service
Telecommunications Gateway |
| TAF |
Terminal Aerodrome Forecast |
| TAMU |
Tropical Aviation Meteorological Unit |
| TAP |
Transition Aviation Project |
| TDL |
Techniques Development Laboratory |
| TDU |
Techniques Development Unit |
| TDWR |
Terminal Doppler Weather Radar |
| Telcon |
Telephone Conversation |
| TKE |
Turbulent Kinetic Energy |
| TPC |
Tropical Prediction Center |
| TRMM |
Tropical Rainfall Measuring Mission
(global change) |
| TWEB |
Transcribed Weather En route Broadcast |
| VAAC |
Volcanic Ash Advisory Centers |
| VAD |
Velocity Azimuth Display (NEXRAD) |
| VAS |
VISSR Atmospheric Sounder |
| VDUC |
VAS Data Utilization Center |
| VFR |
Visual Flight Rules |
| VGF |
Virtual Graphics File |
| VHF |
Very High Frequency (Radio) |
| VIL |
Vertically Integrated Liquid water |
| VISSR |
Visible and Infrared Spin Scan
Radiometer |
| VOR |
VHF Omnidirectional Range
(Navigational aid) |
| VV |
Vertical Velocity |
| VVSTORM |
model-based convection algorithm |