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Scientific & Educational >> Weather Abbreviations

Look through 2217 acronyms and abbreviations related to Weather:

• MIFG — Shallow Fog (METAR Code)
• M2/S2 — Meters squared per second squared
• NB — New Brunswick
• LAN — Local Area Network
• OPS — Operations
• J/KG — Joules per Kilogram
• FIRAV — First Available
• TRRN — Terrain
• ADQTLY — Adequately
• BTWN — Between
• ASAP — As Soon As Possible (pronounced AY-sap)
• PTNL — Potential
• DLTD — Deleted
• FTP — File Transfer Protocol
• ABT — About
• PLS — Please
• MSG — Message
• Z DR — Differential Reflectivity
• GUI — Graphical User Interface (goo-ey)
• RF — Radio Frequency
• LCLY — Locally
• RFP — Request For Proposal
• FEMA — Federal Emergency Management Agency
• ACCUM — Accumulate
• BLDU — Blowing Dust (METAR Code)
• GPS — Global Positioning System (ex-NAVSTAR)
• ACK — Acknowledge (telecommunications; Cf. NAK)
• DOD — United States Department of Defense
• DATANET — Hydrologic Data Network Analysis Software
• FWD — Forward
• F SCALE — See Fujita Scale
• MOA — Memorandum Of Agreement
• FY — Fiscal Year
• WX — Weather
• FYI — For Your Information
• MS — Mississippi
• T.S. — Tropical Storm
• ATTN — Attention
• KG — Kilogram
• AGC — Automatic Gain Control
• B- — Convective Inhibition
• VIP — Very Important Person
• T. D. — Tropical Depression
• PC — Personal computer (host)
• AGL — Above Ground Level
• FAA/AWR — Federal Aviation Administration/Aviation Weather Research Division
• CONTS — Continues
• NSF — National Sanitation Foundation
• HZ — cycles per second (hertz)
• EXTRAP — Extrapolate

• BLDG — Building
• D-MAWDS — Digital Marine Weather Dissemination System
• VHF — Very High Frequency
• ATA — Area Transportation Authority
• ATC — Air traffic control
• CM — Centimeter
• CONUS — Continental United States (48 Contiguous States and DC)
• G-AIRMET — Graphical Airmet
• CHG — Change
• STD — Standard
• PIXEL — Picture Element
• CFO — Communication Filing Officer
• FAA/ARW — Federal Aviation Administration/Aviation Requirements - Weather Group
• OBSCD — Obscured
• AL — Alabama
• SYS — System
• IR — Infrared
• CTGY — Category
• FAA — Federal Aviation Administration
• MSL — Mean Sea Level
• LYRS — Layers
• UPS — United Parcel Service, Inc.
• N-TFS — New Tactical Forecast System
• UV — Ultraviolet (Light)
• WAMPS — Weather Automated Mission Planning Software
• ICAO — International Civil Aviation Organization
• RAOBS — Radiosonde Observations
• CA — California
• LVL — Level
• AK — Alaska
• TACMET-MOD — Tactical Meteorological Observing System Modification
• LABRDR — Labrador
• INCLS — Includes
• SACSMA — Sacramento Soil Moisture Accounting Model
• MAX — Maximum
• AFDK — After Dark
• USGS — United States Geological Survey (DOI)
• NBFR — Not Before
• GSA — U.S. General Services Administration
• AAAS — American Association for the Advancement of Science
• MIN — Minimum
• UTC — Coordinated Universal Time
• FROPA — Frontal Passage
• BACLIN — Baroclinic
• NTSB — US National Transportation Safety Board
• OBSCG — Obscuring
• RQRD — Required
• NOAA — National Oceanic and Atmospheric Administration (US)
• NLT — Not Later Than
• INFO — Information

• KW — Kilowatt (one thousand watts) (measurement)
• IATA — International Air Transport Association
• GND — Ground
• CONT — Continue
• ACFT — Aircraft
• REQSTD — Requested
• AVG — Average Voltage Gain
• DATACOL — The Software System that supports RFC gateway functions
• OFC — Office
• AAL — Above Aerodrome Level
• DABRK — Daybreak
• ALT — Altitude
• MPH — Miles Per Hour
• ASL — Above Sea Level
• TNTV — Tentative
• APR — April River Airport, April River, Papua New Guinea
• KPA — kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
• FLRY — Flurry
• WILCO — Will Comply
• ETD — Estimated Time of Departure
• WWW — World Weather Watch
• SMRY — Summary
• HR — Hour
• BLM — Bureau of Land Management of United States Department of the Interior
• ACPT — Accept
• MIL — Military
• CW — Continuous Wave
• GRT — Great
• BHND — Behind
• NNNN — End of Message
• NEG — NEGative
• LYRD — Layered
• NM — Nautical Mile
• ETC — Et Cetera
• WMO — World Meteorological Organization (ICSU)
• MD — Maryland
• RFI — Radio Frequency Interference
• C — Celsius
• YR — Your
• LAT — Latitude
• CAT — Category (e.g. CAT-5 cable)
• GEN — General Motors
• C — Center
• VOL — Volume
• AMSL — Above Mean Sea Level
• LTD — Limited
• SEC — Second
• DMG — Damage
• HJ — Sunrise to sunset
• RUFLY — Roughly

• THRUT — Throughout
• DTG — Date-Time Group
• ACTV — Active
• SUFLY — Sufficiently
• WIP — Work In Progress (process)
• UFN — Until Further Notice
• N — North
• RTRND — Returned
• UPS — Uninterruptible Power Supply
• DBL — Double
• CNCLD — Canceled
• USAF — United States Air Force
• LA — Louisiana
• TSTMS — Thunderstorms
• AMT — Amount
• S — South
• PWR — Power
• AR — Arkansas
• CAVU — Ceiling And Visibility Unlimited
• Y2K — Year 2000
• OH — Ohio
• CO — Colorado
• FTE — Full-Time Employee
• MO — Missouri
• SUPSD — Supersede
• SD — South Dakota
• CFS — Cubic Feet per Second
• CT — Connecticut
• MI — Michigan
• PM — post meridian
• EXTRM — Extreme
• MN — Minnesota
• TN — Tennessee
• UT — Utah
• TEMP — Temperature
• ALSTG — Altimeter Setting
• RI — Rhode Island
• CLR — Clear
• NY — New York
• NGT — Night
• PRIN — Principal
• BCH — Beach
• PA — Pennsylvania
• MED — Medium
• SNR — Signal-to-Noise Ratio
• LTR — Later
• KOCTY — Smoke Over City
• CNTRS — Centers
• SWLY — Southwesterly
• LST — Local Standard Time

• HTG — Heating
• INTMD — Intermediate
• FT — Feet
• WV — West Virginia
• NESDIS — National Environmental Satellite, Data, and Information Service
• REQ — Request
• EXER — Exercise
• KY — Kentucky
• RVR — Runway Visual Range
• DEC — December
• WO — Without
• AZ — Arizona
• NJ — New Jersey
• WI — Wisconsin
• OR — Oregon
• DIST — Distance
• VT — Vermont
• CAPE — Convective Available Potential Energy
• NATL — National
• ELEV — Elevator
• CRS — Course
• SNGL — Single
• WAC — World Aeronautical Chart
• ME — Maine
• COORD — Coordinate
• E — East
• INCL — Include
• FCST — Forecast
• BM — Benchmarking
• MA — Massachusetts
• PRF — Pulse Repetition Frequency
• SMTM — Sometime
• PTLY — Partly
• FAR — Federal Aviation Regulation
• LMT — Local Mean Time
• NC — No Change
• WEF — With Effect From
• THKNS — Thickness
• NV — Nevada
• CONSHELF — Continental Shelf
• PROD — Produce
• NE — Nebraska
• TX — TEXAS
• OTLK — Outlook
• RTE — Route
• DE — DELAWARE
• COE — Creek Corps of Engineers
• POSLY — Positively
• SEQ — Sequence
• FLW — Follow

• THK — Thick
• NASA — National Aeronautics and Space Administration (US)
• F — Degrees Fahrenheit
• SHSN — Snow Showers (METAR Code)
• OPMET — Operational Meteorological
• AUG — August
• NOV — November
• RH — Relative Humidity
• NEB — Nebraska
• KS — Kansas
• WY — Wyoming
• WTR — Water
• MT — Montana
• ANS — Answer
• DISC — Discontinue
• FLT — Flight
• NH — New Hampshire
• SQAL — Squall
• SMK — Smoke
• ABV — Above
• BRK — Break
• BC — British Columbia
• DIR — Directory
• ID — IDentifier
• STGST — Strongest
• MT — Mountain
• OK — Oklahoma
• JAN — January
• ADDS — Aviation Digital Data Service
• R — Right
• THR — Threshold
• MCS — Mesoscale Convective System
• SMS — Synchronous Meteorological Satellite
• PRIM — Primary
• MCW — Modulated Continuous Wave
• OPR — Operator
• THRU — Through
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• GOES — Geostationary Operational Environmental Satellite
• MOS — Model Output Statistics
• MEX — Mexico
• CVR — Cover
• INTL — International
• FL — Florida
• FD — Winds and Temperatures Aloft Forecasts
• OCT — October
• ASD — Aircraft Situation Display
• VFR — Visual Flight Rule
• SW — South West
• ACT — Active

• CRNR — Corner
• Z — Zulu (Greenwich mean time)
• OTR — Other
• XPCD — Expected
• GMDSS — Global Maritime Distress and Safety System (IMO)
• RPT — Repeat
• W — West
• RCV — Receive
• RCVG — Receiving
• DCS — Data Collection System (NOAA Polar Orbiting Satellites)
• POS — Positive
• ISA — International Standard Atmosphere
• HRS — Hours
• SEP — September
• AGN — Again
• PHYS — Physical
• LRG — Large
• ALQDS — All Quadrants
• NOTAM — Notice to Airmen
• ASOS — Automated Surface Observing System
• HV — Have
• NAB — Not Above
• NE — North-East
• INS — Inertial Navigation System
• PRODG — Producing
• CONTD — Continued
• QN — Question
• BL — Blowing (METAR descriptor)
• ARTCC — Air Route Traffic Control Center
• NEC — Necessary
• PBL — Planetary Boundary Layer
• HGT — Height
• VMC — visual meteorological conditions
• CDA — Command and Data Acquisition
• NXT — Next
• BLKT — Blanket
• ADQT — Adequate
• FIG — Figure
• ARINC — Aeronautical Radio Incorporated
• LMTD — Limited
• NS — Nova Scotia
• SH — Showers
• SC — South Carolina
• DCP — Data Collection Platform
• BLSN — Blowing Snow (METAR Code)
• NCAR — National Center for Atmospheric Research (US)
• ATTM — At This Time
• RFC — River Forecast Center
• SARPS — Standards and Recommended Practices
• EPRI — Electric Power Research Institute (US)

• SHWR — Shower
• SML — Small
• AD — Aerodrome
• SXNS — Sections
• DX — Duplex
• NAS — National Airspace System
• TCU — Towering Cumulus
• FZRA — Freezing Rain (METAR Code)
• PD — Period
• ADJ — Adjacent
• DEG — Degree
• HPC — Hydrometeorological Prediction Center
• SIG — Signature
• WRN — Western
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• BA — Braking Action
• FZFG — Freezing Fog
• AFTN — Afternoon
• SCNDRY — SECONDARY
• AFSS — Automated Flight Service Station
• AVBL — available
• NM — New Mexico
• ANLYS — Analysis
• CWT — Combat Weather Team
• PERM — Permanent
• W — White
• DFNT — Definite
• CLD — Cloud
• COV — Cover
• MDFY — Modify
• DC — District of Columbia
• HDG — Heading
• NEGLY — Negatively
• PSN — Position
• POSS — Possible
• NHC — United States National Hurricane Center
• VOLMET — Meteorological information for aircraft in flight
• TKE — Turbulent Kinetic Energy
• PROC — Procedure
• R — Required
• MLLW — Mean Lower Low Water (nautical Charts)
• PVA — Positive Vorticity Advection
• VAD — Velocity-Azimuth Display
• LONG — Longitude
• ITCZ — Intertropical Convergence Zone (of Seawater)
• FIS — Flight Information Service
• NAV — Navigator
• HOL — Holiday
• R — Red
• SRN — Southern

• ND — North Dakota
• TMW — Tomorrow
• POD — Probability Of Detection
• AP — Airport
• RGT — Right
• COND — Conditions
• FSS — Flight Service Station
• WINTEM — Forecast upper wind and temperature for aviation
• INCR — Increase
• EST — Estimate
• MNT — Monitor
• B — Blue
• VOR — VHF Omnidirectional Range
• LLWAS — Low Level Wind Shear Alert System
• AC — Altocumulus
• AOML — Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
• MB — Millibar(s)
• RTN — Return
• PRI — Primary
• SHRTLY — Shortly
• GF — Ground Fog
• NRCS — Natural Resources Conservation Service
• SXN — Section
• PAC — Pacific Region
• IL — Illinois
• GFDL — Geophysical Fluid Dynamics Laboratory (NOAA US)
• IFR — Instrument Flight Rules
• LCL — Local
• KM — Kilometers to Miles
• T — Temperature
• TELCON — Telephone Conversation
• NCEP — National Centers For Environmental Prediction (form. NMC; NWS Center)
• MCC — Mesoscale Convective Complex
• JUL — July
• LLJ — Low Level Jet stream
• FREQ — Frequency
• MUCAPE — Most Unstable CAPE
• JAN — January
• FZDZ — Freezing Drizzle
• ETA — Eta model
• LI — Lifted Index
• FU — Smoke
• NW — North West
• RCVD — Received
• TYPH — Typhoon
• HI — High
• TAS — True Airspeed
• LGT — Light
• IMC — Instrument Meteorological Conditions
• UNAVBL — Unavailable

• MTNS — Mountains
• USMC — United States Marine Corporation
• BRN — Bulk Richardson Number
• NSSL — National Severe Storms Laboratory
• WDLY — Widely
• LGTD — Lighted
• PRESFR — Pressure Falling Rapidly
• FST — First
• MID — Middle
• HWY — Highway
• INSTL — Install
• DOH — Development and Operations Hydrologist
• STN — Station
• UNKN — Unknown
• CIG — Ceiling
• CNTRL — Central
• QUAD — Quadrant
• LOC — Local
• NNICE — Neural Network for Icing
• DRFTG — Drifting
• NRN — Northern
• EMC — Environmental Modeling Center
• WUD — Would
• CISK — Conditional Instability of the Second Kind
• CNTR — Center
• ATCSCC — Air Traffic Control System Command Center
• CDM — Collaborative Decision Making
• CNL — Cancel
• PUP — Principal User Processor (NEXRAD)
• CAEM — Commission for Aeronautical Meteorology (WMO)
• MDL — Model
• WFO — Weather Forecast Office
• MOD — moderate dysplasia
• RCMD — Recommend
• HZ — Haze (METAR Code)
• WADL — West African Disturbance Line
• RQRS — Requires
• CAT — Clear Air Turbulence
• DFNTLY — Definitely
• TRMM — Tropical Rainfall Measuring Mission (US-Japan)
• VIS — Visible
• FPM — Feet Per Minute
• PRES — Pressure
• NTFYD — Notified
• FEB — February
• MOVD — Moved
• EXTD — Extend
• SUB — Substitute
• JUN — June
• MNM — Minimum

• FCSTS — Forecasts
• CMPLX — Complex
• BR — Mist
• UCAR — University Corporation for Atmospheric Research
• PW — Precipitable Water
• HDRAIN — An Hourly Digital Rainfall Product of the WSR-88D
• AWDS — Automated Weather Distribution System
• XBT — expendable bathythermograph (oceanography)
• FIR — Flight Information Region
• BLD — Build
• PDT — Product Development Team
• EXTN — Extension
• MVFR — Marginal Visual Flight Rules
• VSBY — Visibility
• ARPT — Airport
• AGRMT — Agreement
• Y — Yellow
• AOB — At or Below
• SO — Southern Oscillation
• DISCD — Discontinued
• ADVCTN — Advection
• TRMTD — Terminated
• SHFT — Shift
• RUC — Rapid Update Cycle
• V — Velocity
• ADVY — Advisory
• NOSIG — No Significant Change
• MLW — Mean Low Water (nautical Charts)
• UVV — Upward Vertical Velocity
• ADR — Advisory Route
• RGN — Region
• MICRO-ART — Microcomputer Automatic Radiotheodolite Master Control Unit
• BLDS — Builds
• HSD — Heavy Snow Discussion
• SPENES — Satellite precipitation estimate statement
• MAY — May Department Stores Company
• AFD — Area Forecast Discussion
• EL — Equilibrium Level
• LTL — Little
• MPC — Marine Prediction Center
• RWY — Runway
• SFC — Surface
• WV — Water Vapor
• YDA — Yesterday
• SLP — Slope
• RDA — Radar Data Acquisition
• FLD — Field
• BYD — Beyond
• AAA — Amended meteorological message
• NMC — National Meteorological Center (US)

• FEW — Few
• VER — Vertical
• INU — Inertial Navigation Unit
• ACCID — Notification of an aircraft accident
• DFCLT — Difficult
• ACCAS — Altocumulus Castellanus
• HAZ — Hazard
• AMOS — Automated Meteorological Observing System
• OTRW — Otherwise
• EAA — Experiment Aircraft Association
• AGFS — Aviation Gridded Forecast System
• TAF — Terminal Aerodrome Forecast
• ARR — Arrive
• AFT — Afternoon
• PIREP — Pilot (weather) Report
• RECON — Reconnaissance
• LDG — Landing (aviation)
• SNOINCRG — Snow increasing
• ADA — Advisory Area
• NLY — Northerly
• LTGCG — Lightning Cloud-to-Ground
• FVRBL — Favorable
• SST — Sea surface temperature
• VC — Vicinity
• WTSPT — Waterspout
• DLY — Daily
• ALTHO — Although
• AMDT — Amendment
• SWE — Snow Water Equivalent
• IA — Iowa
• BCFG — Fog Patches
• TSFRD — Transferred
• CU — Cumulus
• APRX — Approximate
• AFOS — Automation of Field Operations and Services
• VAS — VISSR Atmospheric Sounder
• CNCL — Cancel
• TC — Tropical Cyclone
• AFWIN — Air Force Weather Information Network
• ALERT — Automated Local Evaluation in Real Time
• CPC — Climate Prediction Center (NWS Center)
• BWER — Bounded Weak-Echo Region
• ACC — Area Control Center
• AFWA — Air Force Weather Agency
• VRY — Very
• RESP — Response
• EUMETSAT — European Organization for the Exploitation of Meteorological Satellites
• WEFAX — Weather Facsimile
• BCKG — Backing
• DES — Descend

• DMNT — Dominant
• LN — Line
• NVA — Negative Vorticity Advection
• HWVR — However
• TRNSP — Transport
• IAO — In And Out
• LKLY — Likely
• LIFR — Low Instrument Flight Rules
• TDWR — Terminal Doppler Weather Radar
• COM — Communications Society
• PRBLY — Probably
• NCDC — National Climatic Data Center
• APCH — approach
• GFS — Global Forecast System
• WMC — World Meteorological Center
• DEP — Depart
• IMPT — Important
• RSN — Reason
• VFY — Verify
• OAT — Outside Air Temperature
• DTRTD — Deteriorated
• ADDN — Addition
• SPD — speed of pupillary dilation
• VVP — Volume Velocity Processing
• TOP — Cloud Top
• RPTS — Repeats
• LEN — Length
• AZM — Azimuth
• NC — North Carolina
• REPLD — Replaced
• VR — Veer
• PRT — Pulse Repetition Time
• RPRTS — Reports
• HVY — Heavy
• HN — Sunset to sunrise
• INTMT — Intermittent
• NNE — North-North-East
• ITWS — Integrated Terminal Weather System
• ADZ — Advise
• THSD — Thousand
• BLSA — Blowing Sand (METAR Code)
• VFYG — Verifying
• SLY — Southerly
• LO — Low
• SM — Statute Mile
• SPC — Storm Prediction Center
• TT — Teletype
• SPD — Speed
• RAOB — Radiosonde Observation
• VISSR — visible and infrared spin scan radiometer (GOES)

• BND — Bound
• DZ — Drizzle
• NBRHD — Neighborhood
• SUP — Supply
• BRF — Brief
• ERL — Environmental Research Laboratories (absorbed By OAR Or NOAA Research)
• RPG — Radar Product Generator
• ERN — Eastern
• NSSFC — National Severe Storms Forecast Center
• TROP — Tropopause
• SWEAT INDEX — Severe WEAther Threat Index
• SWPC — Space Weather Prediction Center
• CNTY — County
• HND — Hundred
• RPRT — Report
• CIN — Convective Inhibition
• VFYD — Verified
• LCTMP — Little change in temperature
• WA — Western Approaches
• CSI — Conditional Symmetric Instability
• SRH — Storm-relative Helicity
• TNGT — Tonight
• REPL — Replace
• AOPA — Aircraft Owners and Pilots Association
• SGFNT — Significant
• BAMS — Bulletin of the American Meteorological Society
• FRZN — Frozen
• CONTLY — Continually
• INTVL — Interval
• ALTM — Altimeter
• MCIDAS — Man-computer Interactive Data Access System
• PRSNT — Present
• SPCLY — Especially
• LLP — Lightning Location and Protection, Inc
• NWP — Numerical Weather Prediction
• SAT — Saturday
• TWIP — Terminal Weather Information for Pilots
• THTN — Threaten
• LSR — Local Storm Report
• UNREL — Unreliable
• SG — Snow Grains (weather reports)
• THU — Thursday
• NEXRAD — Next-Generation Weather Radar (NWS)
• TURB — Turbulence
• EV — every
• UAB — Until Advised By
• OML — Operations Manual Letter
• FMT — Format
• AWOS — Automated Weather Observation System
• TSTM — Thunderstorm

• PEN — Peninsula
• CLRG — Clearing
• FCSTR — Forecaster
• RSTRG — Restricting
• ALF — Aloft
• OWS — Operational Weather Squadron
• SKED — Schedule
• MTN — Mountain
• SFERICS — Atmospherics
• X — Cross
• OVTK — Overtake
• ACARS — ARINC Communications Addressing and Reporting System
• VLY — Valley
• PROB — probability
• WB — Westbound
• DNR — Department of Natural Resources
• METRO — Metropolitan
• DRFT — Drift
• INVOF — In vicinity of
• LCTD — Located
• CB — Cumulonimbus
• IMPR — Improve
• EXC — Except
• LINUX — UNIX-like computer operating system
• COT — At the Coast
• SUGG — Suggesting
• ARND — Around
• SMG — Space Flight Meteorology Group
• SUPSDS — Supersedes
• NCAR/RAP — National Center for Atmospheric Research/Research Applications Program
• ROFOR — Route Forecast
• DDS — Domestic Data Service
• CNDN — Canadian
• WMSCR — Weather Message Switching Center Replacement
• COMPARD — Compared
• WIBIS — Will Be Issued
• ESTAB — Establish
• MULT — Multiple
• BCM — Become
• THNG — Thinning
• RDC — Reduce
• ATLC — Atlantic
• CCL — Convective Condensation Level
• SVG — Serving
• INPR — in progress
• CI — Cirrus
• ACPY — Accompany
• BINOVC — Breaks in overcast
• FSL — Forecast Systems Laboratory (a NOAA ERL)
• BASE — Cloud base

• BGN — Begin
• FRQ — Frequent
• ABNML — Abnormal
• PY — Spray
• NIL — None
• RDR — Radar
• RPRTD — Reported
• TURBT — Turbulent
• NML — Normal
• ETIM — ELAPSED TIME
• NELY — Northeasterly
• ENDG — ending
• NFDRS — National Fire Danger Rating System
• CNFDC — Confidence
• ZN — Zone
• ACLTS — Accelerates
• RMK — Remark
• INOP — Inoperative
• DNSTRM — Downstream
• INTCNTL — Intercontinental
• SE — Southeast
• APCHS — Approaches
• TDL — Techniques Development Laboratory
• DEGS — Degrees
• TROFS — Troughs
• RTRN — Return
• SHUD — should
• ZR — Freezing Rain
• EHI — Energy Helicity Index
• FFS — Flash Flood Statement
• WND — Windsor
• SUPS — Supplies
• AIRMET — AIRman's METeorological Information
• BKN — Broken
• RHI — Range-Height Indicator
• RCH — Reach
• FM — From
• WSR-57 — A NWS Weather Surveillance Radar designed in 1957
• CNTRD — Centered
• HADS — Hydrometeorological Automated Data System
• OUBD — Outbound
• BFR — Before
• SWO — Staff Weather Officers
• BNDRY — Boundary
• RQRG — Requiring
• DLT — Delete
• FLG — Flashing
• RSTRD — Restricted
• IMDTLY — Immediately
• GA — Georgia

• AOB — Aviation Operations Branch
• TURBC — Turbulence
• MIDN — Midnight
• NAMIS — NATO Automated Meteorological Information System
• VV — Vertical Velocity
• LMTG — Limiting
• VRB — Variable
• DPTH — Depth
• Q — Quadrature
• AIV — Aviation Impact Variable
• BDRY — Boundary
• ZNS — Zones
• SBSDD — Subsided
• T — Thunderstorm (weather reports)
• METAR — Meteorological Terminal Aviation Routine Weather Report
• ALTA — Alberta
• PCPN — Precipitation
• TOR — Tornado Warning
• DVRG — Diverge
• AOA — At or Above
• CAA — Cold Air Advection
• UVVS — Upward Vertical Velocities
• MAR — March
• FG — Fog Gun
• VLCTYS — Velocities
• ULJ — Upper-Level Jet
• NSW — Nil Significant Weather
• CASC — Central Administrative Support Center
• RCRD — Record
• TSFR — Transfer
• NNW — North-Northwest
• EXP — Expect
• GEO — Geographic
• SCA — Small Craft Advisory
• OVNGT — Overnight
• ABNDT — Abundant
• SASK — Saskatchewan
• WSR-74 — A NWS Weather Surveillance Radar designed in 1974
• LEWP — Line Echo Wave Pattern
• WKEND — Weekend
• WER — WEAK ECHO REGION
• AS — Altostratus
• WK — Weak
• NCO — NCEP Central Operations
• WINT — Winter
• FORNN — Forenoon
• LK — Lake
• WSW — West-southwest
• GR — Hail
• OAC — Oceanic Area Control Center

• LAM — Logical acknowledgment
• WI — Within
• KLYR — Smoke Layer Aloft
• ROML — Regional Operations Manual Letter
• WSWLY — West-Southwesterly
• TSNT — Transient
• NR — Number
• BLO — Below
• VIL — Vertically-Integrated Liquid water
• FFG — Flash Flood Guidance
• REQS — Requests
• DVLP — Develop
• BLW — Below
• DDS — Data Distribution System
• COMPARS — Compares
• BRM — Barometer
• CNVTV — Convective
• CRCLN — Circulation
• PRBL — Probable
• GAMA — General Aviation Manufacturers Association's
• TIL — Until
• CYC — Cyclonic
• OSO — Office of Systems Operations
• RQR — Require
• CFP — Cold Front Passage
• NBAA — National Business Aviation Association, Inc.
• CUF — Cumuliform
• WLY — Westerly
• LMTS — Limits
• RVSD — Revised
• RGNS — Regions
• CDC — Climate Diagnostics Center
• AFW — Air Force Weather
• XPLOS — Explosive
• LCTN — Location
• ADVYS — Advisories
• AHD — Ahead
• WRS — Worse
• RMNDR — Remainder
• SATFY — Satisfactory
• G — Green
• RA — Rain
• IMT — immediate
• OPN — Open
• PRST — Persist
• SMPDBK — The Simplified Dam Break Model
• HPA — Hectapascal
• DIFAX — Digital Facsimile
• AHOS-S — Automatic Hydrologic Observing System - Satellite
• UNSTLD — Unsettled

• SHRT — Short
• XTRM — Extreme
• EB — Eastbound
• ENCTR — Encounter
• LVLS — Levels
• VAL — Valley
• OVR — Over
• CDFNT — Cold Front
• UNL — Unlimited
• RMNG — Remaining
• STBL — Stable
• PPINE — Plan Position Indicates No Echoes
• PRESRR — Pressure Rising Rapidly
• CPBL — Capable
• COMET — Cooperative Program for Operational Meteorology, Education and Training
• WND — Wind
• CD — Climatological Data
• CADAS — Centralized Automated Data Acquisition System
• SS — Sandstorm
• DPNG — Deepening
• WNW — West-northwest
• FA — Area Forecast
• CRC — Circle
• XS — Atmospherics
• UPR — Upper
• MDLS — Models
• UCP — Unit Control Position
• WBZ — Wet-Bulb Zero
• API — Antecedent Precipitation Index
• FQT — Frequent
• WL — will
• FFW — Flash Flood Warning
• PUGET — Puget Sound
• WAA — Warm Air Advection
• AMIS — Automated Meteorological Information System
• KT — Knots
• ID — Idaho
• TWDS — Towards
• PRVDD — Provided
• USWB — United States Weather Bureau
• HEL — Helicopter
• OVC — Overcast (METAR Code)
• OCS — Oklahoma Climatological Survey
• FAR — False Alarm Ratio
• WRNG — Warning
• OTP — On Top
• SUF — Sufficient
• TDO — Tornado
• XNG — Crossing
• PARL — Parallel

• TOVC — Top of Overcast
• ADVN — Advance
• PTCHY — Patchy
• PRBLTY — Probability
• LOT — Local Office Team
• VIP — Video Integrator and Processor
• NGM — Nested Grid Model
• DVLPMT — Development
• DMSHG — Diminishing
• USWRP — United States Weather Research Program
• LTGCC — Lightning Cloud-to-Cloud
• NAWAU — National Aviation Weather Advisory Unit
• PDMT — Predominant
• DLA — Delay
• SHFTD — Shifted
• MNLY — Mainly
• CONS — Continuous
• CHSPK — Chesapeake
• NMBR — Number
• LYR — Layer
• INBD — Inbound
• CNTRLN — Centerline
• VIL — Vertically Integrated Liquid
• YKN — Yukon
• ACTVTY — Activity
• INCRD — Increased
• OPS-II — Operational Weather Squadron Production System II
• CONTG — Continuing
• WIST — Weather Information for Surface Transportation
• TRMTS — Terminates
• TSB — Technical Support Branch
• ACLTG — Accelerating
• ADL — Additional
• HRZN — Horizon
• CHGD — Changed
• LTG — Lightning
• IPV — Improve
• ACYC — Anticyclone
• BRS — Branches
• RIOGD — Rio Grande
• HPD — Hourly Precipitation Data
• NEW ENG — New England
• FLUC — fluctuation
• AFTN — Air Force Television Network
• HIFOR — High Level Forecast
• JMA — Japanese Meteorological Agency
• RPLC — Replace
• THNR — Thinner
• AMPG — Amplifying
• SUG — Suggest

• ST — Stratus
• HURCN — Hurricane
• PSND — Positioned
• ACSL — Altocumulus Standing Lenticular
• NEXRAD — Next Generation Weather Radar
• FNCTN — Function
• CDB — Computing Development Branch
• ACLT — Accelerate
• PSCZ — Puget Sound Convergence Zone
• AFCTG — Affecting
• WSFOS — Weather Service Forecast Offices
• TRNSPG — Transporting
• RSTR — Restrict
• SSWWD — South-Southwestward
• AHOS-T — Automatic Hydrologic Observing System - Telephone
• ROTD — Rotated
• SHFTG — Shifting
• WB — Weather Bureau
• SMWHT — Somewhat
• STFRM — Stratiform
• EPV — Equivalent Potential Vorticity
• DUR — Duration
• ICGIC — Icing in Clouds
• THDR — Thunder
• AWT — Awaiting Trial
• MSTR — Moisture
• RPRTG — Reporting
• DMSH — Diminish
• SPOT — Spot Wind
• PTNLY — Potentially
• CLKWS — Clockwise
• SMTH — Smooth
• INCLD — Included
• SN — Snow
• INP — If Not Possible
• STG — Strong
• CUFRA — Cumulus Fractus
• VCY — Vicinity
• METOC — Meteorological and Oceanographic
• WRNGS — Warnings
• AFCT — affect
• THKR — Thicker
• DSIPT — Dissipate
• CSTAR — Collaborative Science, Technology and Applied Research
• TEMPO — Temporary
• RFD — Rear Flank Downdraft
• SHWRS — Showers
• XTRMLY — Extremely
• EFCT — Effect
• RTD — Delayed

• CEM — Civil Emergency Message
• CARIB — Caribbean
• MTW — Mountain Waves
• WID — Width
• VLNT — Violent
• MRNG — Morning
• OBST — Obstacle
• BRG — Branching
• NADIN — National Airspace Data Interchange Network
• AC — Anticipated Convection Outlook
• SLD — Solid
• EC — Environment Canada
• AVN — Aviation Model
• DOM — Domestic
• SUPG — Supplying
• CHGS — Changes
• PIREP — Pilot Report
• VRT MOTN — Vertical Motion
• PS — Plus
• FRZ — Freeze
• SDF — Second-Day Feet
• ACRS — Across
• GOES — Geostationary Orbiting Environmental Satellite
• FLWG — Following
• TROF — Trough
• FAH — Fahrenheit
• SRND — Surround
• FPO — Flood Potential Outlook
• AAWU — Alaskan Aviation Weather Unit
• SKC — Sky Clear
• HLF — Half
• DCR — Decrease
• URG — Urgent
• MST — Mosta
• NATA — National Air Transportation Assoc.
• INDC — indicate
• TIP — Until past
• APRXLY — Approximately
• NCCF — NOAA Central Computer Facility
• HLYR — Haze Layer Aloft
• APCHG — Approaching
• RTRNS — Returns
• NMRS — Numerous
• STNRY — Stationary
• TPC — Tropical Prediction Center
• APST — Aviation Products and Services Team
• OM — Office of Meteorology
• QBI — Compulsory IFR flight
• OTW — Owning The Weather
• TOPS — Tops

• UIR — Upper Flight Information Region
• SHFTS — Shifts
• ASMD — As amended
• AWC — Aviation Weather Center
• INDCD — Indicated
• NSC — Nil Significant Cloud
• FRMG — Forming
• IPVG — Improving
• TRML — Terminal
• ADVS — Advisory Service
• ADM — Administrative Messages
• ERY — Early
• AMD — amend
• DISRED — Disregarded
• AFT — After
• BTL — Between layers
• TVS — Tornado Vortex Signature
• SMTHR — Smoother
• PRVDS — Provides
• SCTR — Sector
• BLZD — Blizzard
• WVS — Waves
• FTHR — Further
• NLDN — National Lightning Detection Network
• FRM — Form
• DCRG — Decreasing
• VLYS — Valleys
• RVA — River Summary
• ETA — estimating arrival
• PDS — Periods
• PNHDL — Panhandle
• ASH — Assistant Service Hydrologist
• RPTG — Repeating
• THKNG — Thickening
• WIMS — Weather Information Management System
• FLG — Falling
• BT — Bathythermograph
• WKNS — Weakens
• SUGS — Suggests
• ADVCT — Advect
• INDEF — Indefinite
• IMDT — Immediate
• NMBRS — Numbers
• RCHD — Reached
• DISRE — Disregard
• OFP — Occluded Frontal Passage
• REPLG — Replacing
• KBDI — Keetch-Byram Drought Index
• RE — Regard
• AFCTD — Affected

• BECMG — Becoming
• FRI — Friday
• GV — Ground Visibility
• PRECDG — Preceding
• QUE — Quebec
• AGRS — Agrees
• FAM — Familiar
• EXCP — Except
• WAFS — World Area Forecast System
• ROC — Rate of Climb
• ADVIS — Headwater Advisory Program
• OBS — Observe
• DVRGNC — Divergence
• GEOREF — Geographical reference
• DNSLP — Downslope
• ETA — Greek letter, describes a constant height coordinate model system
• STF — Stratiform
• HSF — High Seas Forecasts
• SIGMET — Significant Meteorological Advisory
• DSND — Descend
• MIC — Meteorologist-In-Charge
• CDFS — Cloud Depiction and Forecast System
• WNWLY — West-northwesterly
• RVS — Revise
• PUP — Principle User Processor
• TRW — Thunderstorm
• EVE — Evening
• DIF — Diffuse
• MON — Monday
• DSF — Day-Second Feet
• MAY — Mayaro
• SAW — Preliminary Notification of Forthcoming Watch
• KMH — Kilometers per hour
• APRNT — Apparent
• SPECI — Aviation selected special weather report
• GEMPAK — General Environmental Meteorological Package
• OFCM — Office of the Federal Coordinator for Meteorological Services and Supporting Research
• SRY — Secondary
• ALG — Along
• PRECD — Precede
• CCSL — Cirrocumulus Standing Lenticular
• MDCRS — Meteorological Data Communications and Reporting System
• WTRS — Waters
• CS — Cirrostratus
• WKDAY — Weekday
• OVRN — Overrun
• RE — Recent
• RPLCS — Replaces
• BDA — Bermuda Island
• WSHFT — Wind Shift

• DEV — Deviation
• BLKTS — Blankets
• DSTC — Distance
• SLW — Slow
• WSFO — Weather Service Forecast Office
• STLT — Satellite
• CNCLG — Cancelling
• BGNG — Beginning
• RMN — Remain
• UDDF — Up and Down Drafts
• OMTNS — Over Mountains
• SBLI — Lifted Index calculated using surfaced based parcel
• RAFC — Regional Area Forecast Center
• CAVOK — conditions
• AMDD — Amended
• LGRNG — Long Range
• COOR — Co-ordinate
• ADVCTD — Advected
• SHEFPARS — A software decoder for SHEF Data
• ESTS — Estimates
• HTC — The Hydrometeorological Training Council
• HYR — Higher
• ESEWD — East-Southeastward
• CAFTI — Committee on Analysis and Forecast Techniques Implementation
• STNS — Stations
• SCND — Second
• DAPM — The Data Acquisition Program Manager
• PRSTNC — Persistence
• ASSOCN — Association
• RPD — Rapid
• WWD — Westward (weather reports)
• SSW — South Southwest
• SCT — Scattered
• CLDS — Clouds
• NTFY — Notify
• TMPRYLY — Temporarily
• SPDS — Speeds
• ADVCTS — Advects
• RPLCD — Replaced
• FIC — Flight Information Center
• TPG — Topping
• PSG — Passing
• INC — in cloud
• RW — Rain Shower
• RCM — Radar Coded Message
• INDCG — Indicating
• DMGD — Damaged
• TDA — Today
• REP — Report
• QG — An abbreviation for quasigeostrophic

• LLWS — Low Level Wind Shear
• LWR — Lower
• INSTF — Intensify
• MWO — Meteorological Watch Office
• ERYR — Earlier
• SLD — Supercooled Large Drops
• APPR — Appear
• QPFHSD — Ncep Heavy Snow Discussion
• PSBL — Possible
• ATAD — Automated Telephone Answering Device
• R — Reduction
• PRVD — Provide
• ITT — Information Technology Team
• WCM — Warning Coordination Meteorologist
• KFRST — Killing Frost
• HMD — Hemispheric Map Discussion
• THTNS — Threatens
• CIGS — Ceilings
• AWHPS — Area Wide Hydrologic Prediction System
• OCFNT — Occluded Front
• WETM — Weather Team
• MORENET — Missouri Research & Education Network
• VOR — VHF Omnidirectional Radio Range
• FC — Funnel Cloud
• GAI — Global Atmospherics Inc
• NCWX — No Change in Weather
• SUPR — Superior
• JCTN — Junction
• SEV — Severe
• AWN — Automated Weather Network
• QPF — Quantitative Precipitation Forecast
• LKS — Lakes
• APSG — After passing
• STMS — Storms
• LPATS — Lightning Position And Tracking System
• VRS — Veers
• KMARD — Kansas Modernization and Restructuring Demonstration
• HDSVLY — Hudson Valley
• SVR — Severe
• FZ — Freezing
• RGLR — Regular
• RSG — Rising
• ENSO — El Niño and Southern Oscilation
• DLAD — Delayed
• LFM — Limited Fine Mesh
• NWSTC — National Weather Service Training Center
• NAVPACMETOCCEN — Naval Pacific Meteorology and Oceanography Center, Pearl Harbor, Hawaii
• VRISL — Vancouver Island, BC
• WTU — Weather Technology Unit
• NWD — Northward

• FOS — FAMILY OF SERVICES
• WARP — Weather and Radar Processor
• DURN — Duration
• SYNS — Synopsis
• ERD — Excessive Rainfall Discussion
• TSRA — Thunderstorm with rain
• EFF — Experimental Forecast Facility
• DELMARVA — Delaware-Maryland-Virginia
• MOV — Move
• IMPLS — Impulses
• ELNGT — Elongate
• ADVCTG — Advecting
• DCRS — Decreases
• SBCAPE — CAPE calculated using a Surface based parcel
• LONGL — Longitudinal
• TF — Terminal Forecast
• RSNS — Reasons
• OCLDD — Occluded
• OBSC — Obscure
• TRMTG — Terminating
• FAWS — Flight Advisory Weather Service
• TWI — Twilight
• ISOL — Isolate
• QFE — Atmospheric Pressure At Aerodrome Elevation
• DSCNT — Descent
• EWD — Eastward
• RCS — Reflectivity Cross Section
• OCNL — Occasional
• WED — Wednesday
• TCNTL — Transcontinental
• MPL — Max Parcel Level
• ICG — Icing
• TMPRY — Temporary
• ARAM — Aviation, Range and Aerospace Meteorology
• AMDG — Amending
• INTSFYG — Intensifying
• APRNTLY — Apparently
• BCMS — Becomes
• NOHRSC — The National Operational Hydrologic Remote Sensing Center
• DCRD — Decreased
• USACE — Unites States Army Corps of Engineers
• RSTRS — Restricts
• PRVDG — Providing
• NAT — North Atlantic
• VCTR — Vector
• RMNS — Remains
• SAWRS — Supplementary Aviation Weather Reporting Station
• U/S — Unserviceable
• NWSEO — National Weather Service Employees Organization
• VWP — Velocity Azimuth Display Wind Profile

• COMPAR — Compare
• AMP — Amplify
• WRMST — Warmest
• CVRS — Covers
• RPLCG — Replacing
• NFLD — Newfoundland
• PROG — Forecast
• BRKS — Breaks
• SBSD — Subside
• FAX — Facsimile Transmission
• LIS — Lifted indices
• SS — Sunset
• CONTRAILS — Condensation Trails
• NAVTEX — Navigational Telex
• RTRNG — Returning
• SCTD — Scattered
• OU — University of Oklahoma
• RAFS — Regional Analysis and Forecasting System
• OCLN — Occlusion
• CRNRS — Corners
• EPD — Extended Forecast Discussion
• FFA — Flood
• SNWFL — Snowfall
• SLPG — Sloping
• LAN — Inland
• CIP — Current Icing Potential
• METAR — Meteorological Aviation Report
• TWRG — Towering
• ISOLD — Isolated
• ESERN — East-Southeastern
• EXPCG — Expecting
• TRBL — Trouble
• CWA — County Warning Area
• ALGHNY — Allegheny
• CLEICEIO — Great Lakes 5-Day Ice Outlook
• GSTY — Gusty
• AIRMET — Airman's Meteorological advisory
• NRW — Narrow
• CONTDVD — Continental Divide
• GLFALSK — Gulf of Alaska
• CHGG — Changing
• INTST — Intensity
• APPRG — Appearing
• TRMT — Terminate
• MDS — Minimum Discernible Signal
• SPRD — Spread
• DVV — Downward Vertical Velocity
• PSBLTY — Possibility
• EMBD — Embedded in a layer
• ZE — Equivalent Radar Reflectivity

• CANAM — Canadian/American
• BD — Blowing Dust
• ROD — Rate Of Descent
• NB — NorthBound
• IWEDA — Integrated Weather Effects Decision Aid
• SQSN — Snow Squalls
• RES — Reserve
• T — Thunder
• FNTL — Frontal
• TSSN — Thundersnow
• SHLD — SHieLD
• NEXRAD — NEXt generation of weather RADar
• OHD — Overhead
• PRSTNT — Persistent
• ANBURS — Alphanumeric Backup Replacement System
• CC — Cirrocumulus
• LRGR — Larger
• UNSTBL — Unstable
• TSFRS — Transfers
• ELNGTD — Elongated
• AWSS — Aviation Weather Sensor System
• DSNT — Distant
• DVRGG — Diverging
• LGTR — Lighter
• NWSRFS V5.0 — National Weather Service River Forecast Model Version 5
• EMERG — Emergency
• SELS — SEvere Local Storms Unit
• NWP — Numerical Weather Predication
• XPC — Expect
• SHARP — Skew-T Hodograph Analysis and Research Program
• ASSOCD — Associated
• XTNDG — Extending
• WRM — Warm
• IP — Ice Pellets
• ESPINIT — ESP Initialization Program
• DWOPER — Dynamic Wave Routing Model
• DRZL — Drizzle
• SEWD — Southeastward
• NWSH — National Weather Service Headquarters
• CVRD — Covered
• AGRD — Agreed
• FLN — National Flood Summary
• SGFNTLY — Significantly
• PSBLY — Possibly
• WSHFTS — Wind Shifts
• FIP — Forecast Icing Potential
• DTRT — Deteriorate
• WFP — Warm Front Passage
• SVRL — Several
• TRPCD — Tropical Continental

• HDWND — Head Wind
• UNRSTD — Unrestricted
• INTS — intense
• MCD — Mesoscale Discussion
• SEPN — Separation
• SAMEX — Storm and Mesoscale Ensemble Experiment
• CWF — Combat Weather Flight
• WEA — Weather
• DAMBRK — The Dam Break Forecasting Model
• NC — National Center
• MLLI — Mean Layer Lifted Index
• SIERNEV — Sierra Nevada
• WSP — Weather Systems Processor
• VSA — By Visual Reference to the Ground
• ACLTD — Accelerated
• CVRG — Covering
• INTSTY — Intensity
• GRAD — Gradient
• CRCLC — Circulate
• MEGG — Merging
• MSTLY — Mostly
• CCLKWS — Counter-Clockwise
• GLFMEX — Gulf of Mexico
• RCHS — Reaches
• FCMSSR — Federal Committee for Meteorological Services and Supporting Research
• INCRS — Increases
• STM — Storm
• DTRTG — Deteriorating
• INSTBY — Instability
• IC — Ice Crystals
• UVM — Upward Vertical Motion
• NPRS — Nonpersistent
• MDFYG — Modifying
• TAWS — Tactical Acquisition Weather Software
• ATWIS — Advanced Transportation Weather Information System
• DBNET — Distributed Brokered Networking
• SAP — As soon as possible
• MBRFC — Missouri Basin River Forecast Center
• DSIPTD — Dissipated
• RSMC — Regional/Specialized Meteorological Centers
• TR — Track
• FIAS — Flight Information Advisory Service
• VA — Volcanic Ash
• LTGIC — Lightning in Cloud
• CTSKLS — Catskills
• ADRNDCK — Adirondack
• DIGG — Digging
• CPHC — Central Pacific Hurricane Center
• SPKLS — Sprinkles
• VFYS — Verifies

• BGNS — Begins
• OSV — Ocean Station Vessel
• XCP — Except
• CSDR — Consider
• FT — Terminal Forecast
• ICGIP — Icing in Precipitation
• ZL — Freezing Drizzle
• UN — Unable
• RVS — River Statement
• SWA — Severe Weather Analysis
• RNFL — Rainfall
• NOWCAST — Short Term Forecast
• CWA — Center Weather Advisory - CWSU
• SHRTWV — Shortwave
• OCWWS — Office of Climate, Water and Weather Services
• ICE — icing
• SBSDS — Subsides
• ARTYMET — Artillery Meteorological
• EXTSV — Extensive
• GRID — Processed meteorological data in the form of grid point values
• BAJA — Baja California
• TNDCYS — Tendencies
• NESDIS/SAB — National Environmental Satellite, Data and Information Service/Satellite Analysis Branch
• MHKVLY — Mohawk Valley
• THN — Thin
• KU — University of Kansas
• SSHP — Site Specific Hydrologic Prediction System
• MRGL — Marginal
• PRECDD — Preceded
• DGNL — Diagonal
• BLKHLS — Black Hills
• SNW — Snow
• UNA — Unable
• AVARS — Aircraft Vertical Acceleration Reporting System
• NWR — NOAA Weather Radio
• LDADS — Local Data Acquisition and Dissemination System
• TWS — Tropical Weather Summary
• FNTS — Fronts
• FRZG — Freezing
• SEL — Severe Thunderstorm Watch, Tornado Watch
• DFRS — Differs
• RDVLP — Redevelop
• ASIST — Aviation Safety Investment Strategy Team
• MCIDAS — Man Computer Interactive Data Acquisition System
• ECMWF — European Center for Medium-Range Weather Forecasting model
• VCS — Velocity Cross Section
• UNUSBL — Unusable
• LWRG — Lowering
• PVL — Prevail
• WNDS — Winds

• BRKHIC — Breaks in higher clouds
• RAM — Regional Area Meteorologist
• PC-GRIDDS — Pc-Gridded Interactive Display and Diagnostic System
• DVRGS — Diverges
• DSIPTN — Dissipation
• CAAM — Computer Assisted Artillery Meteorology
• CSW — Committee for Space Weather
• WKN — Weaken
• SIGWX — Significant Weather
• MMS-P — Meteorological Measuring System-Profiler
• DMGG — Damaging
• NWB — North-westbound
• ARCUS — Arc Cloud
• ART — Automatic Radio Theodolite Master Control Unit As
• VCNTY — Vicinity
• BFDK — Before Dark
• SBND — South bound
• LTST — Latest
• VRBL — Variable
• TFU — Theater Forecast Unit
• USFS — U.S. Forest Service
• WRS — Weather Reconnaissance Squadron
• RVF — River Forecast
• THD — Thunderhead
• GRDL — Gradual
• ELSW — Elsewhere
• WS — Wind Shear
• GS — Small hail and snow pellets
• TUE — Tuesday
• LN — Line Network
• HPC — Weather Prediction Center
• EXTRAPD — Extrapolated
• RGD — Ragged
• SUN — Sunday
• DFUS — Diffuse
• PLVL — Present Level
• ROSA — Remote Observing System Automation
• MARD — Modernization and Restructuring Demonstration
• RCMDD — Recommended
• CWF — Coastal Marine Forecasts
• MTU — Metric units
• NNEWD — North-Northeastward
• XTND — Extend
• USBR — US Bureau of Reclamation
• DSNDG — Descending
• RTVS — Real Time Verification System
• WAFC — World Area Forecast Center
• HSB — Hydrologic Systems Branch in the Office of Hydrology
• LGWV — Long Wave
• ROTG — Rotating

• SWODY2 — Day 2 Convective Outlook
• AHOS — Automatic Hydrologic Observing System
• XTNDD — Extended
• WSR-88D — Weather Surveillance Radar - 1988 Doppler
• CBOFS — Chesapeake Bay Oceanographic Forecasting System
• ESNTL — Essential
• MESO — Mesoscale Convective Unit
• WDI — Wind Direction Indicator
• ENHNC — Enhance
• RSNG — Reasoning
• APPRS — Appears
• SMW — Special Marine Warning
• GSTS — Gusts
• LTGCW — Lightning Cloud-to-Water
• MDFYD — Modified
• SAO — Surface observation
• NWLY — Northwesterly
• FILG — Filling
• PRIND — Present indications are
• NAP — NCEP Advisory Panel
• HRL — The Hydrological Research Laboratory
• RUF — Rough
• ER — Here
• VGF — Virtual Graphics File
• TFS — Tactical Forecast System
• SNST — Sunset
• MAN — Manitoba
• SWD — Southward
• EPSCOR — Experimental Program for the Stimulation of Competitive Research
• MWAVE — Mountain Wave Algorithm
• NCDB — NCEP Computer Development Branch
• SWODY1 — Day 1 Convective Outlook
• RLBL — Reliable
• CLEGLFGLS — Great Lakes Marine Synopsis
• PWO — Public Severe Weather Outlook
• UNRELBL — Unreliable
• ENELY — East-northeasterly
• NRLY — Nearly
• PROGS — Forecasts
• ATDTDCS — Automated Tone Dial Telephone Data Collection System
• ISCS — International Satellite Communications System
• JTSTR — Jet Stream
• MAP — Mean Areal Precipitation
• LIVV — Lifted Index Vertical Velocity
• WDSPR — Widespread
• GTG — Graphical Turbulence Guidance
• MXD — Mixed
• BCMG — Becoming
• N-AWIPS — National Centers-AWIPS
• RAWS — Remote Automatic Weather Station

• ENRT — En Route
• NOPAC — Northern Pacific
• INLD — Inland
• ARSI — Atmospheric Research System, Inc.
• CMFC — Coordinating METOC Forecast Center
• NACA — National Advisory Committee on Aeronautics
• HUD — Housing and Urban Development, U.S. Department of
• MAREP — Marine Reporting Program
• RAG — Ragged
• IIDA — Integrated Icing Diagnostic Algorithm
• MRTM — Maritime
• INTSFCN — Intensification
• CLA — Clear type of ice formation
• SWB — South-Westbound
• SFD — STATE FORECAST DISCUSSION
• OCNLY — Occasionally
• EXCLV — Exclusive
• NIDS — NEXRAD Information Dissemination Service
• VDUC — VAS Data Utilization Center
• EXPC — Expect
• EVAD — Extended Velocity
• DALGT — Day light
• INTSFYS — Intensifies
• TWR — Tactical Weather Radar
• CLEGLOCLE — Great Lakes Storm Outlook
• THTNG — Threatening
• TSIP — Thundersleet
• SLO — Slow
• WFOS — Weather Forecast Offices
• LDM — Local Data Manager
• MRF — Medium-Range Forecast Model
• UNEC — UnNECessary
• INTR — Interior
• MS — Minus
• SHEF — Standard Hydrologic Exchange Format
• TRSN — Transition
• SQ — Squall
• MAY — Maysville
• AMDAR — Automatic Meteorological Data And Reporting
• PROGD — Forecasted
• MESO — Mesoscale
• FOUS — Forecast Output United States
• VORT — Vorticity
• CSTL — Coastal
• DURG — During
• CGEN — Convective Sigmet Generation
• MX — Mixed Type of Ice Formation
• ENE — east-northeast
• FG — Foggia
• BNDRYS — Boundaries

• INCLG — Including
• PL — Ice Pellets or Sleet
• CSI — Critical Success Index
• RDGG — Ridging
• VRG — Veering
• LV — Leaving
• FDR — Fire Danger Rating
• TWEB — Transcribed Weather Broadcast
• DMCC — DOE Meteorological Coordinating Council
• AMS — American Meteorology Society
• IOS — Integrated Operational Services
• DS — Dust Storm
• PLNS — Plains
• LWRD — Lowered
• INTRMTRGN — Intermountain Region
• BRKG — Breaking
• RCVS — Receives
• STGR — Stronger
• IMPL — Impulse
• DSIPTG — Dissipating
• FCSTD — Forecasted
• ROT — Rotate
• DLTG — Deleting
• REPLS — Replaces
• PSG — Passage
• MOVMT — Movement
• OCRS — Occurs
• UPSTRM — Upstream
• OCLDS — Occludes
• RVSS — Revises
• BLKTG — Blanketing
• RCMDS — Recommends
• OVRNG — Overrunning
• GNDFG — Ground Fog
• RVI — River Ice Statement
• USBL — Usable
• SPRL — Spiral
• ARFOR — Area Forecast
• ESA — Electronic Systems Analyst
• TWEB — Transcribed Weather En route Broadcast
• SAOS — Surface Observations
• NEWD — Northeastward
• YLSTN — Yellowstone
• INVRN — Inversion
• SSE — South-Southeast
• OHP — One-Hour Rainfall Rate
• SWR — State Weather Roundup
• KCFB — Kansas City Federal Building
• SPECIAL — Special Meteorological Report
• ESF — Flood Potential Outlook

• WIE — With Immediate Effect
• LSQ — Line Squall
• TACWX — Tactical weather
• ASAPTRAN — The software component of ASA
• RMND — Remained
• FRWF — Forecast Wind Factor
• EXTDD — Extended
• INTRP — Interrupt
• FRST — Frost
• SWAFS — Space Weather Analysis and Forecasting System
• WIDA — Weather Impact Decision Aids
• SERN — Southeastern
• RCMDG — Recommending
• MLTLVL — Melting Level
• NSH — Nearshore Lake Forecast
• COR — Corrected/Correction
• DRFTD — Drifted
• QPFPFD — Ncep Precipitation Forecast Discussion
• RAMSDIS — RAMM Advanced Meteorological Satellite Demonstration and Interpretation System
• NCWD — National Convective Weather Diagnostic
• HSA — Hydrologic Service Area
• CASCDS — Cascades
• STWDSR — Surface Transportation Weather Decision Support Requirements
• FNT — Front
• ROBEX — Regional OPMET bulletin exchange
• MET — Meteorology
• VARN — Variation
• SELY — Southeasterly
• NBND — Northbound
• SLT — Sleet
• PPSN — Present Position
• BLDUP — Buildup
• DUC — Dense Upper Cloud
• SMLR — Smaller
• DWSW — Deployable Weather Satellite Workstation
• DTRTS — Deteriorates
• BNTH — Beneath
• ESS — Water Supply Outlook Product
• ADVNG — Advancing
• EIF — Enhanced IFLOWS Format
• SR — Sunrise
• TAFB — Tropical Analysis and Forecast Branch
• NIDS — NEXRAD Information Distribution Service
• XPCG — Expecting
• NCWF — National Convective Weather Forecast
• OFSHR — Offshore
• WWS — Severe Weather Watches
• SLGT — Slight
• RGL — Regional Model
• CWSU — Center Weather Service Unit

• WKR — Weaker
• RTA — Remote to AFOS
• ROTS — Rotates
• DIV — Divert
• GRTLY — Greatly
• DP — Deep
• CNVG — Converge
• BPAA — Business Pilots Aircraft Association
• LTGCCCG — Lightning cloud-to-cloud cloud-to-ground
• SNFLK — Snow flake
• HVYST — Heaviest
• CBMAM — Cumulonimbus Mammatus
• RSIS — Rs Information Services, Inc.
• WRMFNT — Warm Front
• HIER — Higher
• HIC — Hydrologist In Charge
• EXTRMLY — Extremely
• LEVEL — Level
• HCVIS — High Clouds Visible
• LFTG — Lifting
• NERN — Northeastern
• SYNOP — Synoptic
• NAVMETOCCOM — Naval Meteorology and Oceanography Command
• PQPF — probabilistic quantitative precipitation forecast
• SRNDG — Surrounding
• HIGH — HIGHLAND
• WRMG — Warming
• FROSFC — Frontal Surface
• MOVS — Moves
• SSWLY — South-Southwesterly
• SX — Stability Index
• AMPLTD — Amplitude
• FRMN — Formation
• EXCLVLY — Exclusively
• GRDLY — Gradually
• TYP — Type of Aircraft
• DMSHD — Diminished
• RPDLY — Rapidly
• FLS — River Flood Statement
• MST — Meteorological Support Teams
• GRTR — Greater
• MULI — Most Unstable Lifted Index
• STDY — Steady
• CLDNS — Cloudiness
• MCDW — Monthly Climatic Data of the World
• ET — Electronic Technician
• GRTLKS — Great Lakes
• OCLDG — Occluding
• STNR — Stationary
• ENHNCMNT — Enhancement

• QPFSPD — Nmc Special Precipitation Discussion
• AQI — Air Quality Statement
• RESTR — Restrict
• CLRS — Clears
• SLOLY — Slowly
• RHINO — RHI not operative
• NL — No layers
• ATMU — AIR TRANSPORTABLE MOBILE UNIT
• UKMETO — United Kingdom Meteorological Office
• FCEXEC — A component of the NWSRFS FCST Program
• VLCTY — Velocity
• ESELY — East-southeasterly
• SWI — Showalter Index
• CAPS — Center for Analysis and Prediction of Storms
• IFFDP — International Flight Folder Documentation Program
• SA — Surface observation
• VCOT — VFR Conditions on Top
• SBSDNC — Subsidence
• QTP — Quality Through Partnership
• NAOS — North American Atmospheric Observing System
• FCSTG — Forecasting
• STFR — Stratus Fractus
• CAWIS — Committee for Automated Weather Information Systems
• ALUTN — Aleutian
• ZFP — Zone Forecast Product
• TRIB — Tributary
• CNCLS — Cancels
• SOO — Scientific Operations Officer
• WST — Weather Support Team
• SC — Stratocumulus (cloud formation)
• DKTS — Dakotas
• SIMUL — Simultaneous
• PCD — Proceed
• INTMTLY — Intermittently
• GICG — Glaze Icing
• ASC — Aviation Services Coordinator
• GLFCAL — Gulf of California
• DPNS — Deepens
• OCLD — Occlude
• OCRG — Occurring
• TCE — Tropical Cyclone Position Estimate
• TS — Thunderstorm without precipitation
• STAGN — Stagnation
• WKNG — Weakening
• NS — Nimbostratus
• STBLTY — Stability
• CG — Cloud-Ground Lightning
• PVLG — Prevailing
• FLRYS — Flurries
• OVTKG — Overtaking

• MLOS — Microwave Line-Of-Site
• IOVC — In Overcast
• TOFS — Tactical Observing & Forecasting System
• HMT — Hydrometeorological Technicians
• CHC — Chance
• DVLPD — Developed
• FFA — Flood Frequency Analyses
• CNIF — Calibration Network Information Files
• CAPPI — CONSTANT ALTITUDE PPI
• OVTKS — Overtakes
• DU — Dust
• SUBTRPCL — Subtropical
• GOM — Global Ocean Model
• XPCS — Expects
• LO — Lower Order
• UNSBL — Unseasonable
• M — Mach number
• ASB — Aviation Support Branch
• PWS — Precipitable Waters
• GDS — GeoMet Data Services, Inc.
• PPI — Plane Position Indicator
• SLOR — Slower
• EXTDG — Extending
• EMBDD — Embedded
• SWLG — Swelling
• MOVG — Moving
• IDS — International Data Service
• TSFRG — Transferring
• NNWLY — North-northwesterly
• MDT — Moderate
• EMWIN — Emergency Managers Weather Information Network
• HLS — Hurricane Local Statement
• PIBAL — pilot-balloon observation
• OUTFLO — Outflow
• DVLPS — Develops
• SPF — Probability of Tropical Cyclone Conditions
• NWSO — National Weather Service Office
• NMOC — National Meteorological Operations Centre
• LRGLY — Largely
• CW — Cloud-Water Lightning
• G — Gust
• RCKYS — Rockies
• HDFRZ — Hard Freeze
• PMD — Prognostic Discussion
• FVT — Forecast Verification Tool
• SRRS — Systems Record Retention System
• RADAT — RADiosonde Observation Data
• IFLOWS — The Integrated Flood Observing and Warning System
• SMOOS — Shipboard Meteorological and Oceanographic Observing Sensor
• RVR — River Recreation Statement

• TAMU — Tropical Aviation Meteorological Unit
• SCSL — Standing lenticular stratocumulus
• SWOMCD — SELS Mesoscale Discussion
• NWFO — National Weather Service Forecast Office
• CLEGLSCLE — Great Lakes Storm Summary
• STI — Storm Tracking Information
• UPDFTS — Updrafts
• NOW — Short Term Forecast
• PRSNTLY — Presently
• METMF — Meteorological Mobile Facility
• NAWPC — National Aviation Weather Program Council
• CWS — Combat Weather Squadron
• CNVGG — Converging
• CNVGNC — Convergence
• DISREG — Disregarding
• METMFR — Meteorological Mobile Facility Replacement
• RL — Report Leaving
• DMSHS — Diminishes
• UNSATFY — Unsatisfactory
• OCRD — Occurred
• CNTYS — Counties
• SIGMET — Significant Meteorlogical Information
• VOMIT — VIL Of the Moment In Time
• NWWS — NOAA Weather Wire System
• SFP — State Forecast Product
• WINDS — Weather Information and Display System
• PVLD — Prevailed
• SMA — Soil Moisture Accounting Model
• IWRS — Improved Weather Reconnaissance System
• VSBYIR — Visibility Increasing Rapidly
• DSTBLZD — Destabilized
• MDS — Meteorological Distribution System
• UKMET — United Kingdom Meteorological Agency
• SPLNS — Southern Plains
• PGTSND — Puget Sound
• APLCN — Appalachian
• NWRN — Northwestern
• RMTN — Regional Meteorological Telecommunications Network
• VAAC — Volcanic Ash Advisory Centers
• DPND — Deepened
• OFF — Offshore Forecast
• CDFNTL — Cold frontal
• RLTV — Relative
• TRPCL — Tropical
• MRGLLY — Marginally
• CHCS — Chances
• THTND — Threatened
• PRECDS — Precedes
• DSTBLZG — Destabilizing
• DGNLLY — Diagonally

• CLEICEFBO — Great Lakes Ice Outlook for the Opening of Navigation
• THKST — Thickest
• NNELY — North-northeasterly
• SWS — Severe Weather Statement
• NOWS — NVG Operations Weather Software
• PSH — Preliminary Tropical Storm Report
• VSBYDR — Visibility Decreasing Rapidly
• ESE — East-southeast
• RDVLPG — Redeveloping
• DSNDS — Descends
• CRP — Critical Rainfall Probability
• OSD — Office of Systems Development
• HWO — Severe Weather Potential Statement
• EXPCD — Expected
• VLNTLY — Violently
• MISG — Missing
• ENTR — Entire
• NPSU — National Public Service Unit
• SRNDD — Surrounded
• SQLN — Squall Line
• EXTDS — Extends
• NPRA — National Performance Results Act
• VVSTORM — model-based convection algorithm
• RCRDS — Records
• HIGH — High Core Threshold
• RVSG — Revising
• ENHNCS — Enhances
• PVLS — Prevails
• HUREP — Hurricane Report
• SRM — Storm Relative Mean Radial Velocity Map
• CCLDS — Clear of Clouds
• ASC — Ascent to
• VSB — Visible
• PE — Ice pellets
• DSIPTS — Dissipates
• RR — Report Reaching
• SRNDS — Surrounds
• UNSTDY — Unsteady
• PIBALS — Pilot Balloon Reports
• DNS — Dense
• THP — Three-Hour Rainfall Rate
• TNDCY — Tendency
• MMS — METEOROLOGICAL MEASURING SYSTEM
• ENEWD — East-northeastward
• WSTCH — Wasatch Range
• GRTST — Greatest
• TEND — Trend forecast
• SWRN — Southwestern
• WNWWD — West-Northwestward
• HVYR — Heavier

• VA — Virginia Ash
• EBND — East bound
• HLSTO — Hailstones
• MOS — Model Output Statistics applications
• MLCAPE — Mean Layer CAPE
• TNTVLY — Tentatively
• DSTBLZN — Destabilization
• IC — In-Cloud Lightning
• CST — Coast
• CS — Combined Shear
• SDM — Station Duty Manual
• QPFERD — Nmc Excessive Rainfall Discussion
• PNS — Public Information Statement
• WDSPRD — Widespread
• PLTO — Plateau
• RLTVLY — Relatively
• OPA — Opaque, white type of ice formation
• RCHG — Reaching
• INCRGLY — Increasingly
• ETC — Echo Tops Contour
• INTSFYD — Intensified
• MC — Meteorological Codes
• TDU — Techniques Development Unit
• ONSHR — Onshore
• WRMR — Warmer
• ROB — Radar Coded Observation
• SWWD — Southwestward
• SP — Snow Pellets
• WRMFNTL — Warm Frontal
• SDM — Senior Duty Meteorologist
• INDCS — Indicates
• STGLY — Strongly
• PVLT — Prevalent
• CNVTN — Convection
• LRGST — Largest
• CLEICEFBO — Great Lakes Freeze-Up Outlook
• CSDRBL — Considerable
• GLFSTLAWR — Gulf of St. Lawrence
• WSDDM — Weather Support to Deicing Decision Making
• DWPNTS — Dewpoints
• MOGR — Moderate, or Greater
• SPRDS — Spreads
• SEB — South-eastbound
• CTWFC — CINC Target Weather Forecast Center
• COMPARG — Comparing
• PRC — Planning and Research Corporation
• DWPNT — Dewpoint
• DWNDFTS — Downdrafts
• BATROP — Barotropic
• JWIS — Joint Weather Impacts System

• CR — Composite Reflectivity
• SPRDG — Spreading
• RS — Receiver station
• SUNYA — State University of New York, Albany
• CCA — Corrected meteorological message
• SNOINCR — Snow increase
• SHLW — Shallow
• SSELY — South-Southeasterly
• TWO — Tropical Weather Outlook
• ENHNCD — Enhanced
• PTNS — Portions
• SLGTLY — Slightly
• HP — High Precipitation
• WKST — Weakest
• SRR — Storm Relative Mean Radial Velocity Region
• WSOM — National Weather Service Operations Manual
• TCP — Public Tropical Cyclone Advisory
• SHRTWVS — Shortwaves
• SPS — Special (Weather) Statement
• DVLPG — Developing
• HLTP — Hilltop
• APLCNS — Appalachians
• TRKG — Tracking Corporation (OTC Bulletin Board [OTCBB])
• SD — Storm Data
• DPR — Deeper
• DRG — During
• THNST — Thinnest
• DNWND — Down wind
• INTSFY — Intensify
• SCC — Tropical Storm Summary
• SA — Sand
• SB — Southbound
• GENLY — Generally
• DSA — Special Tropical Disturbance Statement
• SOO — Scientific and Operations Officer
• DSTBLZ — Destabilize
• TCM — Tropical Cyclone Forecasts/Advisory
• RDVLPMT — Redevelopment
• NNERN — North-Northeastern
• PRSTS — Persists
• THRFTR — Thereafter
• BRKSHR — Berkshire
• ESP — Extended Streamflow Prediction
• SSEWD — South-Southeastward
• WBND — West Bound
• SHARS — Subtle Heavy Rainfall Signature
• DISCG — Discontinuing
• NWSTG — National Weather Service Telecommunications Gateway
• TT — Total Totals
• DCRGLY — Decreasingly

• GFA — Graphical Area Forecast
• TCU — tropical cyclone update
• SUPSDG — Superseding
• ET — Echo Tops
• UPSLP — Upslope
• INCRG — Increasing
• BRKSHRS — Berkshires
• POP — Precipitation Probability
• SNBNK — Snow bank
• DSTBLZS — Destabilizes
• AWT — Awaiting Test
• DFCLTY — Difficulty
• FQTLY — Frequently
• STP — Storm Total Precipitation
• M — Mesocyclone
• I — See inphase
• DRFTS — Drifts
• SPKL — Sprinkle
• WSWWD — West-Southwestward
• PRJMP — Pressure Jump
• SNOTEL — Snow Telemetry
• FNTLYS — Frontolysis
• MULTILVL — Multi-level
• ENERN — East-northeastern
• PO — Dust devils
• HIC — Hydrometeorological Information Center
• REC — Recreation Report
• SND — Sanderson
• TSHWRS — Thundershowers
• ORGPHC — Orographic
• SWP — Severe Weather Probability
• OCR — Occurrence
• SSERN — South-Southeastern
• CNVTVLY — Convectively
• CSC — Combined Shear Contour
• DNDFTS — Downdrafts
• ENHNCG — Enhancing
• PFD — QPF Discussion
• LTLCG — Little Change
• MDTLY — Moderately
• TSQLS — Thundersqualls
• MNLND — Mainland
• CBS — Cumulonimbi
• TSHWR — Thundershower
• UWNDS — Upper Winds
• WTSPTS — Waterspouts
• LP — Low Precipitation
• WPLTO — Western Plateau
• TAP — Transition Aviation Project
• QSTNRY — Quasistationary

• AMS — Air mass
• NNWRN — North-Northwestern
• NNWWD — North-Northwestward
• SLS — Watch Redefining Statement
• CYCLGN — Cyclogenesis
• TEN — Theta-e Index
• SSWRN — South-Southwestern
• TL — Till
• G — Green time
• UNSTL — Unsettle
• FNTGNS — Frontogenesis
• WNWRN — West-Northwestern
• WSWRN — West-Southwestern
• MET — Meteorological Teams
• SPA — Subtropical Cyclone Public Advisory
• SMTHST — Smoothest
• SCS — Spectrum Width Cross Section

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