TypeFewer LettersMore Letters
Acronym AEMI (GFS) Ensemble Mean forecast, Interpolated for the next 6 hours
Acronym AEMN (GFS) Ensemble Mean forecast (based on NOAA data)
Acronym AGL Above Ground Level
Acronym AIRMET Airman's Meteorological information
Acronym ATK Alliant Techsystems, predecessor to Orbital ATK
Acronym ATL Atlantic ocean
Acronym AVN Aviation
Acronym B-57 Martin WB-57F Canberra, a highly modified bomber aircraft reconfigured for high-altitude weather reconnaissance, operated by NASA
Acronym BAMD Beta and Advection Model, Deep layer (generated by NHC)
Acronym BAMM Beta and Advection Model, Medium layer (generated by NHC)
Acronym BAMS Beta and Advection Model, Shallow layer (generated by NHC)
Acronym BOC Bay of Campeche (southern Gulf of Mexico)
Acronym BVI British Virgin Islands
Acronym C-130 Lockheed WC-130J, weather reconnaissance aircraft operated by the US Air Force
Acronym CIMSS Cooperative Institute for Meteorological Satellite Studies, Madison, WI
Acronym CIRA Cooperative Institute for Research in the Atmosphere
Acronym CLCDr Central Launch Command Director
Acronym CMC Canadian Meteorological Center
Acronym CONUS Continental/Contiguous United States (of America)
Acronym CPAC Central Pacific ocean
Acronym CPHC Central Pacific Hurricane Center (RSMC for the Central Pacific)
Acronym DP Dual-Polarity radar (as operated by NEXRAD)
Acronym DR Dominican Republic
Acronym DT Dry Tortugas (westernmost of the Florida Keys)
Acronym EC European Centre
Acronym ECM European Center for Medium-range Weather Forecasts ("the Europeans")
Acronym ECMWF European Centre for Medium-range Weather Forecasts (*Euro model*)
Acronym EPAC East Pacific ocean
Acronym EWRC Eyewall Replacement Cycle weather pattern
Acronym FOUS Forecast Output United States
Acronym G-IV Gulfstream IV, medium-to-high altitude weather reconnaissance aircraft operated by NOAA
Acronym GEFS Global Ensemble Forecast System
Acronym GEM Global Environmental Multiscale forecast
Acronym GFDL Geophysical Fluid Dynamics Lab
Acronym GFS Global Forecast Model (generated by NOAA)
Acronym GMT Greenwich Mean Time / Coordinated Universal Time
Acronym GOES [Geostationary Operational Environment Satellite](https://en.wikipedia.org/wiki/GOES)
Acronym GOES-R [Geostationary Operational Environment Satellite, R series](https://en.wikipedia.org/wiki/GOES-R), launching Nov 2016
Acronym GOH Gulf of Honduras (western Caribbean, separated from Bay of Campeche by the Yucatan peninsula)
Acronym GOM Gulf of Mexico ocean region
Acronym GPM Global Precipitation Model
Global Precipitation Measurement satellite
Acronym HOU Houston, Texas
Acronym HWRF Hurricane Weather Research and Forecasting model (from NCEP)
Acronym IFR [Instrument Flight Rules](https://en.wikipedia.org/wiki/Instrument_flight_rules)
Acronym IR Infrared satellite imagery
Acronym ITCZ Inter-Tropical Convergence Zone
Acronym JMA Japan Meterological Agency (RSMC for the Western Pacific)
Acronym JTWC Joint Typhoon Warning Center (issues tropical cyclone warnings in the Northwest and Southern Pacific, and Indian Ocean)
Acronym LL Lower Level winds/conditions
Acronym MDR Main Development Region
Acronym METAR Meterological Aerodrome Report
Acronym MIA Miami, Florida
Acronym MIATWO Tropical Weather Outlook (from NWS Miami)
Acronym MIATWOAT Tropical Weather Outlook, Atlantic (from NWS Miami)
Acronym MIATWOEP Tropical Weather Outlook, East Pacific (from NWS Miami)
Acronym MIMIC Morphed Integrated Microwave Imagery at CIMSS
Acronym MVFR Marginal Visual Flight Rules
Acronym NAM North American Mesoscale forecast (generated by NCEP)
Acronym NAVGEM Navy Global Environmental Model (generated by NOAA)
Acronym NCEP National Centers for Environmental Prediction
Acronym NDBC (US) National Data Buoy Center
Acronym NESDIS National Environmental Satellite, Data, and Information Service (NOAA department)
Acronym NEXRAD NEXt generation RADar, operated by NWS
Acronym NHC National Hurricane Center
Acronym NOAA National Oceanic and Atmospheric Administration, responsible for US ~~generation~~ monitoring of the climate
Acronym NOGAPS Naval Operational Global Atmospheric Prediction System, superceded by NAVGEM
Acronym NOLA New Orleans, Louisiana
Acronym NOTAM [Notice to Airmen](https://en.wikipedia.org/wiki/NOTAM) of flight hazards
Acronym NOVA Northern Virginia
Acronym NPP National Polar-orbiting Partnership satellite
Acronym NWS National Weather Service
Acronym OBX Outer Banks (of North Carolina)
Acronym OECD Organisation for Economic Cooperation and Development
Acronym OFCI Official NHC forecast (as seen on spaghetti plots) interpolated for the next 6 hours
Acronym OFCL Official NHC forecast (as seen on spaghetti plots)
Acronym OTS Out To Sea
Acronym P-3 Lockheed WP-3D Orion, weather reconnaissance aircraft operated by NOAA
Acronym POES [Polar Operational Environment Satellite](http://en.wikipedia.org/wiki/POES)
Acronym PoP Probability of Precipitation
Acronym PR Puerto Rico
Acronym RAMMB Regional and Mesoscale Meteorology Branch
Acronym RAMSDIS RAMMB Advanced Meteorological Satellite Demonstration and Interpretation System
Acronym RI Rapid Intensification
Acronym RQ-4 Northrop-Grumman RQ-4 Global Hawk, a large, high-altitude unmanned weather reconnaissance aircraft operated by NASA
Acronym RSMC Regional Specialized Meteorological Center (NHC is the RSMC for Atlantic and East Pacific)
Acronym SCADA [Supervisory Control And Data Acquisition](https://en.wikipedia.org/wiki/SCADA) remote monitoring and control
Acronym SCAT Scatterometer mounted on POES, measures ocean wind speeds
Acronym SFMR Stepped-Frequency Microwave Radiometer measurements
Acronym SHIPS Statistical Hurricane Intensity Prediction Scheme
Acronym SLOSH Sea Lake and Overland Surges from Hurricanes storm model
Acronym SOP Standard Operating Procedure
Acronym SPC (US) Storm Prediction Center
Acronym SRSO Super-Rapid Scan Operations (1-minute satellite imagery)
Acronym SRSOR Super-Rapid Scan Operations (1-minute satellite imagery) from GOES-R
Acronym SS Storm Surge
Acronym SST Sea Surface Temperature
Acronym T&C Turks and Caicos Islands, southeast of the Bahamas
Acronym TAF Terminal Aerodrome Forecast
Acronym TD Tropical Depression
Acronym TMFM [Too Many ~~Fu-~~ Finely-detailed Models](http://derecho.math.uwm.edu/models/models.html)
Acronym TPW Total Precipitable Water
Acronym TS Tropical Storm
Thunderstorm
Acronym TW Tropical Wave
Acronym TWOAT Tropical Weather Outlook, Atlantic
Acronym TWOEP Tropical Weather Outlook, East Pacific
Acronym U-2 [Lockheed U-2](https://en.wikipedia.org/wiki/Lockheed_U-2), a very high-altitude research and reconnaissance aircraft operated by NASA, which is occasionally used to investigate hurricanes. Several versions exist, including the ER-2 and TR-1.
Acronym UKMET United Kingdom Meteorological Office unified model
Acronym UL Upper Level winds/conditions
Acronym USAF United States Air Force
Acronym USVI United States Virgin Islands
Acronym VFR [Visual Flight Rules](https://en.wikipedia.org/wiki/Visual_flight_rules)
Acronym VIIRS Visible/Infrared Imaging Radiometer Suite, instrument on the NPP satellite
Acronym VIS Visible-light satellite imagery
Acronym VORT [Vorticity](https://en.wikipedia.org/wiki/Vorticity), angular velocity around a point
Acronym WB-57 Martin WB-57F Canberra, a highly modified bomber aircraft reconfigured for high-altitude weather reconnaissance, operated by NASA
Acronym WC-130 Lockheed WC-130J, weather reconnaissance aircraft operated by the US Air Force
Acronym WMO World Meteorological Organisation
Acronym WP-3 Lockheed WP-3D Orion, a weather reconnaissance aircraft operated by NOAA. NOAA has two of these aircraft, named *Miss Piggy* and *Kermit*.
Acronym WPAC West Pacific ocean
Acronym WPC (US) Weather Prediction Center
Acronym WV Water Vapor
Acronym WX Weather
Acronym Z NATO timezone designator: UTC
Jargon milspec Military Specification