Acronym	Type	Expansion	Subreddits	Actions
AEMI	Acronym	(GFS) Ensemble Mean forecast, Interpolated for the next 6 hours	TropicalWeather	Edit
AEMN	Acronym	(GFS) Ensemble Mean forecast (based on NOAA data)	TropicalWeather	Edit
AFD	Acronym	Area Forecast Discussion. The scientific comments regarding the forecast from a Weather Forecast Office.	TropicalWeather	Edit
AGL	Acronym	Above Ground Level	TropicalWeather	Edit
AIRMET	Acronym	Airman's Meteorological information	TropicalWeather	Edit
ATK	Acronym	Alliant Techsystems, predecessor to Orbital ATK	TropicalWeather	Edit
ATL	Acronym	Atlantic ocean	TropicalWeather	Edit
AVN	Acronym	Aviation	TropicalWeather	Edit
B-57	Acronym	Martin WB-57F Canberra, a highly modified bomber aircraft reconfigured for high-altitude weather reconnaissance, operated by NASA	TropicalWeather	Edit
BAMD	Acronym	Beta and Advection Model, Deep layer (generated by NHC)	TropicalWeather	Edit
BAMM	Acronym	Beta and Advection Model, Medium layer (generated by NHC)	TropicalWeather	Edit
BAMS	Acronym	Beta and Advection Model, Shallow layer (generated by NHC)	TropicalWeather	Edit
BOC	Acronym	Bay of Campeche (southern Gulf of Mexico)	TropicalWeather	Edit
BVI	Acronym	British Virgin Islands	TropicalWeather	Edit
C-130	Acronym	Lockheed WC-130J, weather reconnaissance aircraft operated by the US Air Force	TropicalWeather	Edit
CIMSS	Acronym	Cooperative Institute for Meteorological Satellite Studies, Madison, WI	TropicalWeather	Edit
CIRA	Acronym	Cooperative Institute for Research in the Atmosphere	TropicalWeather	Edit
CLCDr	Acronym	Central Launch Command Director	TropicalWeather	Edit
CMC	Acronym	Canadian Meteorological Center	TropicalWeather	Edit
CONUS	Acronym	Continental/Contiguous United States (of America)	TropicalWeather	Edit
CPAC	Acronym	Central Pacific ocean	TropicalWeather	Edit
CPHC	Acronym	Central Pacific Hurricane Center (RSMC for the Central Pacific)	TropicalWeather	Edit
CWA	Acronym	County Warning Area. The geographical region served by a given Weather Forecast Office.	TropicalWeather	Edit
DP	Acronym	Dual-Polarity radar (as operated by NEXRAD)	TropicalWeather	Edit
DR	Acronym	Dominican Republic	TropicalWeather	Edit
DT	Acronym	Dry Tortugas (westernmost of the Florida Keys)	TropicalWeather	Edit
EC	Acronym	European Centre	TropicalWeather	Edit
ECM	Acronym	European Center for Medium-range Weather Forecasts ("the Europeans")	TropicalWeather	Edit
ECMWF	Acronym	European Centre for Medium-range Weather Forecasts (*Euro model*)	TropicalWeather	Edit
EPAC	Acronym	East Pacific ocean	TropicalWeather	Edit
EWRC	Acronym	Eyewall Replacement Cycle weather pattern	TropicalWeather	Edit
FOUS	Acronym	Forecast Output United States	TropicalWeather	Edit
G-IV	Acronym	Gulfstream IV, medium-to-high altitude weather reconnaissance aircraft operated by NOAA	TropicalWeather	Edit
GEFS	Acronym	Global Ensemble Forecast System	TropicalWeather	Edit
GEM	Acronym	Global Environmental Multiscale forecast	TropicalWeather	Edit
GFDL	Acronym	Geophysical Fluid Dynamics Lab	TropicalWeather	Edit
GFS	Acronym	[Global Forecast System](https://en.wikipedia.org/wiki/Global_Forecast_System) model (generated by NOAA)	TropicalWeather	Edit
GLM	Acronym	[Geostationary Lightning Mapper](https://en.wikipedia.org/wiki/GOES-16#Geostationary_Lightning_Mapper). A lightning-sensing instrument aboard GOES-16.	TropicalWeather	Edit
GMT	Acronym	Greenwich Mean Time / Coordinated Universal Time	TropicalWeather	Edit
GOES	Acronym	[Geostationary Operational Environmental Satellite](https://en.wikipedia.org/wiki/GOES)	TropicalWeather	Edit
GOES-16	Acronym	[Geostationary Operational Environmental Satellite, # 16](https://en.wikipedia.org/wiki/GOES-16). The latest geostationary weather satellite with cutting edge technology. Formerly known as GOES-R before launch. Scheduled to take over the GOES-East position in Nov 2017.	TropicalWeather	Edit
GOES-East	Jargon	The [GOES satellite](https://en.wikipedia.org/wiki/Geostationary_Operational_Environmental_Satellite) positioned to watch the eastern half of the United States. Currently occupied by GOES-13. GOES-16 is scheduled to take over in Nov 2017.	TropicalWeather	Edit
GOES-R	Acronym	[Geostationary Operational Environment Satellite, R series](https://en.wikipedia.org/wiki/GOES-R), launched in Nov 2016 and currently in a testing phase. Renamed GOES-16 once it reached orbit. It is scheduled to take over GOES-East in Nov 2017.	TropicalWeather	Edit
GOES-West	Jargon	The [GOES satellite](https://en.wikipedia.org/wiki/Geostationary_Operational_Environmental_Satellite) positioned to watch the western half of the United States. Currently occupied by GOES-15.	TropicalWeather	Edit
GOH	Acronym	Gulf of Honduras (western Caribbean, separated from Bay of Campeche by the Yucatan peninsula)	TropicalWeather	Edit
GOM	Acronym	Gulf of Mexico ocean region	TropicalWeather	Edit
GPM	Acronym	Global Precipitation Model
Global Precipitation Measurement satellite	TropicalWeather	Edit
HGX	Acronym	The Weather Forecast Office in Houston, TX, whose County Warning Area includes southeastern Texas.
The NEXRAD radar located at the Houston WFO.	TropicalWeather	Edit
HOU	Acronym	Houston, Texas	TropicalWeather	Edit
HWRF	Acronym	Hurricane Weather Research and Forecasting model (from NCEP)	TropicalWeather	Edit
IFR	Acronym	[Instrument Flight Rules](https://en.wikipedia.org/wiki/Instrument_flight_rules)	TropicalWeather	Edit
IR	Acronym	Infrared satellite imagery	TropicalWeather	Edit
ITCZ	Acronym	Inter-Tropical Convergence Zone	TropicalWeather	Edit
JMA	Acronym	Japan Meterological Agency (RSMC for the Western Pacific)	TropicalWeather	Edit
JTWC	Acronym	Joint Typhoon Warning Center (issues tropical cyclone warnings in the Northwest and Southern Pacific, and Indian Ocean)	TropicalWeather	Edit
LIX	Acronym	The Weather Forecast Office in Slidell, LA, whose County Warning Area includes New Orleans, LA.
The NEXRAD radar located at the Slidell, LA WFO.	TropicalWeather	Edit
LL	Acronym	Lower Level winds/conditions	TropicalWeather	Edit
MDR	Acronym	Main Development Region	TropicalWeather	Edit
Meso	Jargon	[Mesoscale](https://en.wikipedia.org/wiki/Mesoscale_meteorology). Medium-sized, larger than micro- or storm-scale, but smaller than synoptic scale.
Mesoscale Sector. On of two 1000km x 1000km box in which GOES-16 can acquire imagery every minute.	TropicalWeather	Edit
METAR	Acronym	Meterological Aerodrome Report	TropicalWeather	Edit
MFL	Acronym	The Weather Forecast Office in Miami, FL, whose County Warning Area includes southern Florida.
The NEXRAD radar located at the Miami WFO.	TropicalWeather	Edit
MIA	Acronym	Miami, Florida	TropicalWeather	Edit
MIATWO	Acronym	Tropical Weather Outlook (from NWS Miami)	TropicalWeather	Edit
MIATWOAT	Acronym	Tropical Weather Outlook, Atlantic (from NWS Miami)	TropicalWeather	Edit
MIATWOEP	Acronym	Tropical Weather Outlook, East Pacific (from NWS Miami)	TropicalWeather	Edit
milspec	Jargon	Military Specification	TropicalWeather	Edit
MIMIC	Acronym	Morphed Integrated Microwave Imagery at CIMSS	TropicalWeather	Edit
MVFR	Acronym	Marginal Visual Flight Rules	TropicalWeather	Edit
NAM	Acronym	North American Mesoscale forecast (generated by NCEP)	TropicalWeather	Edit
NAVGEM	Acronym	Navy Global Environmental Model (generated by NOAA)	TropicalWeather	Edit
NCEP	Acronym	National Centers for Environmental Prediction	TropicalWeather	Edit
NDBC	Acronym	(US) National Data Buoy Center	TropicalWeather	Edit
NESDIS	Acronym	National Environmental Satellite, Data, and Information Service (NOAA department)	TropicalWeather	Edit
NEXRAD	Acronym	[NEXt generation RADar](https://en.wikipedia.org/wiki/NEXRAD), operated by NWS	TropicalWeather	Edit
NHC	Acronym	National Hurricane Center	TropicalWeather	Edit
NOAA	Acronym	National Oceanic and Atmospheric Administration, responsible for US ~~generation~~ monitoring of the climate	TropicalWeather	Edit
NOGAPS	Acronym	Naval Operational Global Atmospheric Prediction System, superceded by NAVGEM	TropicalWeather	Edit
NOLA	Acronym	New Orleans, Louisiana	TropicalWeather	Edit
NOTAM	Acronym	[Notice to Airmen](https://en.wikipedia.org/wiki/NOTAM) of flight hazards	TropicalWeather	Edit
NOVA	Acronym	Northern Virginia	TropicalWeather	Edit
NPP	Acronym	National Polar-orbiting Partnership satellite	TropicalWeather	Edit
NWS	Acronym	National Weather Service	TropicalWeather	Edit
OBX	Acronym	Outer Banks (of North Carolina)	TropicalWeather	Edit
OECD	Acronym	Organisation for Economic Cooperation and Development	TropicalWeather	Edit
OFCI	Acronym	Official NHC forecast (as seen on spaghetti plots) interpolated for the next 6 hours	TropicalWeather	Edit
OFCL	Acronym	Official NHC forecast (as seen on spaghetti plots)	TropicalWeather	Edit
OTS	Acronym	Out To Sea	TropicalWeather	Edit
P-3	Acronym	Lockheed WP-3D Orion, weather reconnaissance aircraft operated by NOAA	TropicalWeather	Edit
POES	Acronym	[Polar Operational Environment Satellite](http://en.wikipedia.org/wiki/POES)	TropicalWeather	Edit
PoP	Acronym	Probability of Precipitation	TropicalWeather	Edit
PR	Acronym	Puerto Rico	TropicalWeather	Edit
RAMMB	Acronym	Regional and Mesoscale Meteorology Branch	TropicalWeather	Edit
RAMSDIS	Acronym	RAMMB Advanced Meteorological Satellite Demonstration and Interpretation System	TropicalWeather	Edit
RI	Acronym	Rapid Intensification	TropicalWeather	Edit
RQ-4	Acronym	Northrop-Grumman RQ-4 Global Hawk, a large, high-altitude unmanned weather reconnaissance aircraft operated by NASA	TropicalWeather	Edit
RSMC	Acronym	Regional Specialized Meteorological Center (NHC is the RSMC for Atlantic and East Pacific)	TropicalWeather	Edit
SCADA	Acronym	[Supervisory Control And Data Acquisition](https://en.wikipedia.org/wiki/SCADA) remote monitoring and control	TropicalWeather	Edit
SCAT	Acronym	Scatterometer mounted on POES, measures ocean wind speeds	TropicalWeather	Edit
SFMR	Acronym	Stepped-Frequency Microwave Radiometer measurements	TropicalWeather	Edit
sh/ts	Acronym	Showers/Thunderstorms. Often seen in Area Forecast Discussions.	TropicalWeather	Edit
SHIPS	Acronym	Statistical Hurricane Intensity Prediction Scheme	TropicalWeather	Edit
SLOSH	Acronym	Sea Lake and Overland Surges from Hurricanes storm model	TropicalWeather	Edit
SOP	Acronym	Standard Operating Procedure	TropicalWeather	Edit
SPC	Acronym	(US) Storm Prediction Center	TropicalWeather	Edit
SRSO	Acronym	Super-Rapid Scan Operations (1-minute satellite imagery)	TropicalWeather	Edit
SRSOR	Acronym	Super-Rapid Scan Operations (1-minute satellite imagery) from GOES	TropicalWeather	Edit
SS	Acronym	Storm Surge	TropicalWeather	Edit
SST	Acronym	Sea Surface Temperature	TropicalWeather	Edit
T&C	Acronym	Turks and Caicos Islands, southeast of the Bahamas	TropicalWeather	Edit
TAF	Acronym	Terminal Aerodrome Forecast	TropicalWeather	Edit
TBW	Acronym	The Weather Forecast Office in Tampa Bay, FL, whose County Warning Area includes western peninsular Florida.
The NEXRAD radar located at the Tampa Bay WFO.	TropicalWeather	Edit
TD	Acronym	Tropical Depression	TropicalWeather	Edit
TMFM	Acronym	[Too Many ~~Fu-~~ Finely-detailed Models](http://derecho.math.uwm.edu/models/models.html)	TropicalWeather	Edit
TPW	Acronym	Total Precipitable Water	TropicalWeather	Edit
TS	Acronym	Tropical Storm
Thunderstorm	TropicalWeather	Edit
TW	Acronym	Tropical Wave	TropicalWeather	Edit
TWOAT	Acronym	Tropical Weather Outlook, Atlantic	TropicalWeather	Edit
TWOEP	Acronym	Tropical Weather Outlook, East Pacific	TropicalWeather	Edit
U-2	Acronym	[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.	TropicalWeather	Edit
UKMET	Acronym	United Kingdom Meteorological Office unified model	TropicalWeather	Edit
UL	Acronym	Upper Level winds/conditions	TropicalWeather	Edit
USAF	Acronym	United States Air Force	TropicalWeather	Edit
USVI	Acronym	United States Virgin Islands	TropicalWeather	Edit
UTC	Acronym	[Coördinated Universal Time](https://en.wikipedia.org/wiki/Coordinated_Universal_Time), the standard time used by meteorologists and forecasts worldwide.	TropicalWeather	Edit
VFR	Acronym	[Visual Flight Rules](https://en.wikipedia.org/wiki/Visual_flight_rules)	TropicalWeather	Edit
VIIRS	Acronym	Visible/Infrared Imaging Radiometer Suite, instrument on the NPP satellite	TropicalWeather	Edit
VIS	Acronym	Visible-light satellite imagery	TropicalWeather	Edit
VORT	Acronym	[Vorticity](https://en.wikipedia.org/wiki/Vorticity), angular velocity around a point	TropicalWeather	Edit
WB-57	Acronym	Martin WB-57F Canberra, a highly modified bomber aircraft reconfigured for high-altitude weather reconnaissance, operated by NASA	TropicalWeather	Edit
WC-130	Acronym	Lockheed WC-130J, weather reconnaissance aircraft operated by the US Air Force	TropicalWeather	Edit
WFO	Acronym	Weather Forecast Office. The National Weather Service facility serving a given area. [List of WFOs](https://en.wikipedia.org/wiki/List_of_National_Weather_Service_Weather_Forecast_Offices)	TropicalWeather	Edit
WMO	Acronym	World Meteorological Organisation	TropicalWeather	Edit
WP-3	Acronym	Lockheed WP-3D Orion, a weather reconnaissance aircraft operated by NOAA. NOAA has two of these aircraft, named *Miss Piggy* and *Kermit*.	TropicalWeather	Edit
WPAC	Acronym	West Pacific ocean	TropicalWeather	Edit
WPC	Acronym	(US) Weather Prediction Center	TropicalWeather	Edit
WV	Acronym	Water Vapor	TropicalWeather	Edit
WX	Acronym	Weather	TropicalWeather	Edit
Z	Acronym	NATO timezone designator: UTC	TropicalWeather	Edit