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Scientific & Educational >> Weather Abbreviations

Look through 2217 acronyms and abbreviations related to Weather:

• MIFG — Shallow Fog (METAR Code)
• NB — New Brunswick
• M2/S2 — Meters squared per second squared
• TRRN — Terrain
• OPS — Operations
• FIRAV — First Available
• J/KG — Joules per Kilogram
• ADQTLY — Adequately
• LAN — Local Area Network
• BTWN — Between
• DLTD — Deleted
• PTNL — Potential
• Z DR — Differential Reflectivity
• ABT — About
• PLS — Please
• LCLY — Locally
• ACCUM — Accumulate
• DATANET — Hydrologic Data Network Analysis Software
• FTP — File Transfer Protocol
• BLDU — Blowing Dust (METAR Code)
• MSG — Message
• T.S. — Tropical Storm
• ASAP — As Soon As Possible (pronounced AY-sap)
• F SCALE — See Fujita Scale
• B- — Convective Inhibition
• CONTS — Continues
• D-MAWDS — Digital Marine Weather Dissemination System
• MS — Mississippi
• FAA/AWR — Federal Aviation Administration/Aviation Weather Research Division
• T. D. — Tropical Depression
• FWD — Forward
• CHG — Change
• EXTRAP — Extrapolate
• G-AIRMET — Graphical Airmet
• OBSCD — Obscured
• FEMA — Federal Emergency Management Agency
• RFP — Request For Proposal
• ATTN — Attention
• FAA/ARW — Federal Aviation Administration/Aviation Requirements - Weather Group
• VIP — Very Important Person
• RAOBS — Radiosonde Observations
• GUI — Graphical User Interface (goo-ey)
• WX — Weather
• SACSMA — Sacramento Soil Moisture Accounting Model
• N-TFS — New Tactical Forecast System
• LABRDR — Labrador
• WAMPS — Weather Automated Mission Planning Software
• BACLIN — Baroclinic
• RF — Radio Frequency
• MOA — Memorandum Of Agreement

• OBSCG — Obscuring
• TACMET-MOD — Tactical Meteorological Observing System Modification
• FLRY — Flurry
• PIXEL — Picture Element
• DATACOL — The Software System that supports RFC gateway functions
• INCLS — Includes
• LYRS — Layers
• DABRK — Daybreak
• FROPA — Frontal Passage
• UPS — United Parcel Service, Inc.
• ACFT — Aircraft
• BHND — Behind
• FYI — For Your Information
• NBFR — Not Before
• FY — Fiscal Year
• CA — California
• NLT — Not Later Than
• AL — Alabama
• TNTV — Tentative
• GPS — Global Positioning System (ex-NAVSTAR)
• ATA — Area Transportation Authority
• SUFLY — Sufficiently
• LYRD — Layered
• ACK — Acknowledge (telecommunications; Cf. NAK)
• NSF — National Sanitation Foundation
• DOD — United States Department of Defense
• RQRD — Required
• CNCLD — Canceled
• NTSB — US National Transportation Safety Board
• AFDK — After Dark
• NNNN — End of Message
• GRT — Great
• THRUT — Throughout
• CTGY — Category
• ICAO — International Civil Aviation Organization
• KOCTY — Smoke Over City
• ASL — Above Sea Level
• FAA — Federal Aviation Administration
• SYS — System
• LVL — Level
• AGL — Above Ground Level
• AGC — Automatic Gain Control
• BLDG — Building
• HJ — Sunrise to sunset
• AAL — Above Aerodrome Level
• APR — April River Airport, April River, Papua New Guinea
• AK — Alaska
• IATA — International Air Transport Association
• SMRY — Summary
• STD — Standard

• SUPSD — Supersede
• RUFLY — Roughly
• GSA — U.S. General Services Administration
• ATC — Air traffic control
• KPA — kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
• TSTMS — Thunderstorms
• SWLY — Southwesterly
• CONUS — Continental United States (48 Contiguous States and DC)
• WWW — World Weather Watch
• INFO — Information
• LA — Louisiana
• KG — Kilogram
• WILCO — Will Comply
• REQSTD — Requested
• MD — Maryland
• INTMD — Intermediate
• MSL — Mean Sea Level
• FTE — Full-Time Employee
• CONSHELF — Continental Shelf
• PC — Personal computer (host)
• UTC — Coordinated Universal Time
• DTG — Date-Time Group
• CFO — Communication Filing Officer
• DMG — Damage
• MPH — Miles Per Hour
• RTRND — Returned
• ALSTG — Altimeter Setting
• PM — post meridian
• CM — Centimeter
• GND — Ground
• AR — Arkansas
• RVR — Runway Visual Range
• UT — Utah
• S — South
• MI — Michigan
• AAAS — American Association for the Advancement of Science
• TN — Tennessee
• SQAL — Squall
• PTLY — Partly
• CT — Connecticut
• NY — New York
• STGST — Strongest
• MN — Minnesota
• AMSL — Above Mean Sea Level
• BLM — Bureau of Land Management of United States Department of the Interior
• HZ — cycles per second (hertz)
• MO — Missouri
• PA — Pennsylvania
• OPMET — Operational Meteorological
• RI — Rhode Island

• LTD — Limited
• CO — Colorado
• NGT — Night
• MIL — Military
• SD — South Dakota
• VHF — Very High Frequency
• CAVU — Ceiling And Visibility Unlimited
• NM — Nautical Mile
• C — Center
• NJ — New Jersey
• LMT — Local Mean Time
• USAF — United States Air Force
• Y2K — Year 2000
• KY — Kentucky
• OR — Oregon
• RTE — Route
• XPCD — Expected
• OTLK — Outlook
• GEN — General Motors
• OH — Ohio
• PRIN — Principal
• WMO — World Meteorological Organization (ICSU)
• NATL — National
• HTG — Heating
• FAR — Federal Aviation Regulation
• NOAA — National Oceanic and Atmospheric Administration (US)
• BM — Benchmarking
• EXTRM — Extreme
• WV — West Virginia
• ALT — Altitude
• VT — Vermont
• CONT — Continue
• WIP — Work In Progress (process)
• OFC — Office
• UFN — Until Further Notice
• YR — Your
• MA — Massachusetts
• ME — Maine
• WAC — World Aeronautical Chart
• WI — Wisconsin
• DEC — December
• COORD — Coordinate
• NE — Nebraska
• NV — Nevada
• ACTV — Active
• CAT — Category (e.g. CAT-5 cable)
• ACPT — Accept
• USGS — United States Geological Survey (DOI)
• EXER — Exercise
• BC — British Columbia

• AZ — Arizona
• PWR — Power
• NEB — Nebraska
• NEG — NEGative
• MIN — Minimum
• ETD — Estimated Time of Departure
• POSLY — Positively
• DIST — Distance
• SEC — Second
• RFI — Radio Frequency Interference
• SMTM — Sometime
• SNR — Signal-to-Noise Ratio
• BCH — Beach
• KW — Kilowatt (one thousand watts) (measurement)
• LAT — Latitude
• WEF — With Effect From
• E — East
• MED — Medium
• ETC — Et Cetera
• CAPE — Convective Available Potential Energy
• CW — Continuous Wave
• MAX — Maximum
• SHSN — Snow Showers (METAR Code)
• N — North
• LTR — Later
• VFR — Visual Flight Rule
• AMT — Amount
• SEQ — Sequence
• FT — Feet
• CNTRS — Centers
• TX — TEXAS
• SMS — Synchronous Meteorological Satellite
• FD — Winds and Temperatures Aloft Forecasts
• FLW — Follow
• ADDS — Aviation Digital Data Service
• DBL — Double
• CFS — Cubic Feet per Second
• KS — Kansas
• IR — Infrared
• AVG — Average Voltage Gain
• NAB — Not Above
• PROD — Produce
• CLR — Clear
• THKNS — Thickness
• WY — Wyoming
• C — Celsius
• NH — New Hampshire
• BLKT — Blanket
• OK — Oklahoma
• NOV — November

• PRODG — Producing
• TELCON — Telephone Conversation
• MT — Montana
• ANS — Answer
• WO — Without
• R — Right
• ELEV — Elevator
• MEX — Mexico
• NEGLY — Negatively
• RH — Relative Humidity
• FCST — Forecast
• ADQT — Adequate
• ASD — Aircraft Situation Display
• ISA — International Standard Atmosphere
• MOS — Model Output Statistics
• CONTD — Continued
• DE — DELAWARE
• PRIM — Primary
• NS — Nova Scotia
• SNGL — Single
• INCL — Include
• ACT — Active
• UPS — Uninterruptible Power Supply
• PHYS — Physical
• OPR — Operator
• GMDSS — Global Maritime Distress and Safety System (IMO)
• SNOINCRG — Snow increasing
• MDFY — Modify
• NC — No Change
• NESDIS — National Environmental Satellite, Data, and Information Service
• VOL — Volume
• UV — Ultraviolet (Light)
• CRS — Course
• GF — Ground Fog
• PRF — Pulse Repetition Frequency
• CVR — Cover
• HR — Hour
• JAN — January
• LST — Local Standard Time
• HDRAIN — An Hourly Digital Rainfall Product of the WSR-88D
• ETA — Eta model
• SIG — Signature
• BRK — Break
• SW — South West
• DOH — Development and Operations Hydrologist
• FLT — Flight
• ND — North Dakota
• NAS — National Airspace System
• W — West
• WADL — West African Disturbance Line

• SC — South Carolina
• MOVD — Moved
• SMK — Smoke
• PRESFR — Pressure Falling Rapidly
• ALQDS — All Quadrants
• MT — Mountain
• BL — Blowing (METAR descriptor)
• SPENES — Satellite precipitation estimate statement
• NXT — Next
• COE — Creek Corps of Engineers
• SHRTLY — Shortly
• SML — Small
• OCT — October
• POD — Probability Of Detection
• PERM — Permanent
• NOTAM — Notice to Airmen
• DFNT — Definite
• SCNDRY — SECONDARY
• LRG — Large
• AUG — August
• MAY — May Department Stores Company
• ADJ — Adjacent
• AGRMT — Agreement
• DFNTLY — Definitely
• PBL — Planetary Boundary Layer
• ARINC — Aeronautical Radio Incorporated
• NTFYD — Notified
• FZRA — Freezing Rain (METAR Code)
• LTGCG — Lightning Cloud-to-Ground
• BLSN — Blowing Snow (METAR Code)
• FIG — Figure
• FVRBL — Favorable
• RCV — Receive
• MUCAPE — Most Unstable CAPE
• TSFRD — Transferred
• Y — Yellow
• AFTN — Afternoon
• UNAVBL — Unavailable
• RGT — Right
• R — Red
• CAT — Clear Air Turbulence
• WDLY — Widely
• RFC — River Forecast Center
• FU — Smoke
• CLD — Cloud
• BR — Mist
• THRU — Through
• LMTD — Limited
• MCW — Modulated Continuous Wave
• CRNR — Corner

• F — Degrees Fahrenheit
• MICRO-ART — Microcomputer Automatic Radiotheodolite Master Control Unit
• RCVD — Received
• PSN — Position
• MID — Middle
• WTR — Water
• RCVG — Receiving
• HGT — Height
• IL — Illinois
• TYPH — Typhoon
• NASA — National Aeronautics and Space Administration (US)
• ABV — Above
• CISK — Conditional Instability of the Second Kind
• POS — Positive
• MCS — Mesoscale Convective System
• AD — Aerodrome
• CWT — Combat Weather Team
• RDA — Radar Data Acquisition
• AGN — Again
• INU — Inertial Navigation Unit
• DC — District of Columbia
• SH — Showers
• PVA — Positive Vorticity Advection
• FIS — Flight Information Service
• DX — Duplex
• FL — Florida
• PAC — Pacific Region
• W — White
• SXNS — Sections
• COMPARD — Compared
• LCL — Local
• AFSS — Automated Flight Service Station
• VOLMET — Meteorological information for aircraft in flight
• BLDS — Builds
• DTRTD — Deteriorated
• WINTEM — Forecast upper wind and temperature for aviation
• OTRW — Otherwise
• FZFG — Freezing Fog
• HPC — Hydrometeorological Prediction Center
• MLLW — Mean Lower Low Water (nautical Charts)
• AC — Altocumulus
• TMW — Tomorrow
• LLWAS — Low Level Wind Shear Alert System
• BA — Braking Action
• LCTMP — Little change in temperature
• QN — Question
• FCSTS — Forecasts
• ARTCC — Air Route Traffic Control Center
• NE — North-East
• CDA — Command and Data Acquisition

• SARPS — Standards and Recommended Practices
• B — Blue
• AVBL — available
• VSBY — Visibility
• RPT — Repeat
• FSS — Flight Service Station
• REQ — Request
• CNTRL — Central
• HV — Have
• TKE — Turbulent Kinetic Energy
• IMC — Instrument Meteorological Conditions
• TAS — True Airspeed
• FZDZ — Freezing Drizzle
• LTL — Little
• ADR — Advisory Route
• TCU — Towering Cumulus
• BRN — Bulk Richardson Number
• ALTHO — Although
• CONTLY — Continually
• IMPT — Important
• SHFT — Shift
• HSD — Heavy Snow Discussion
• COND — Conditions
• ATTM — At This Time
• THK — Thick
• FLD — Field
• SHWR — Shower
• AP — Airport
• HRS — Hours
• SO — Southern Oscillation
• NM — New Mexico
• NEC — Necessary
• MLW — Mean Low Water (nautical Charts)
• EPRI — Electric Power Research Institute (US)
• SEP — September
• PRSNT — Present
• INTL — International
• FCSTR — Forecaster
• MTNS — Mountains
• TAF — Terminal Aerodrome Forecast
• PW — Precipitable Water
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• SFC — Surface
• V — Velocity
• PD — Period
• CDM — Collaborative Decision Making
• HZ — Haze (METAR Code)
• INS — Inertial Navigation System
• RTN — Return
• LGTD — Lighted

• VC — Vicinity
• PDT — Product Development Team
• ATCSCC — Air Traffic Control System Command Center
• VOR — VHF Omnidirectional Range
• ASOS — Automated Surface Observing System
• OML — Operations Manual Letter
• NC — North Carolina
• MCC — Mesoscale Convective Complex
• ROFOR — Route Forecast
• WTSPT — Waterspout
• VAD — Velocity-Azimuth Display
• BCFG — Fog Patches
• PRBLY — Probably
• TEMP — Temperature
• TURBT — Turbulent
• TC — Tropical Cyclone
• HWY — Highway
• DCP — Data Collection Platform
• THR — Threshold
• VMC — visual meteorological conditions
• INTVL — Interval
• LEN — Length
• WV — Water Vapor
• SLP — Slope
• SAT — Saturday
• DISCD — Discontinued
• RQRS — Requires
• RPTS — Repeats
• MNT — Monitor
• SRH — Storm-relative Helicity
• ETIM — ELAPSED TIME
• METRO — Metropolitan
• DIR — Directory
• APRX — Approximate
• PUGET — Puget Sound
• VLCTYS — Velocities
• SWE — Snow Water Equivalent
• AFD — Area Forecast Discussion
• WUD — Would
• LOC — Local
• ID — IDentifier
• FORNN — Forenoon
• UNREL — Unreliable
• ACLTG — Accelerating
• OWS — Operational Weather Squadron
• DFCLT — Difficult
• PRT — Pulse Repetition Time
• MDL — Model
• IA — Iowa
• NLY — Northerly

• COMPARS — Compares
• ACLTS — Accelerates
• CNTRD — Centered
• X — Cross
• GOES — Geostationary Operational Environmental Satellite
• MVFR — Marginal Visual Flight Rules
• BINOVC — Breaks in overcast
• VR — Veer
• Q — Quadrature
• SPCLY — Especially
• INCR — Increase
• THNG — Thinning
• RPG — Radar Product Generator
• ADVCTN — Advection
• FIR — Flight Information Region
• RESP — Response
• LI — Lifted Index
• DEG — Degree
• FST — First
• HOL — Holiday
• BWER — Bounded Weak-Echo Region
• ARPT — Airport
• NCAR/RAP — National Center for Atmospheric Research/Research Applications Program
• MNM — Minimum
• NELY — Northeasterly
• DCS — Data Collection System (NOAA Polar Orbiting Satellites)
• R — Required
• LIFR — Low Instrument Flight Rules
• SBSDD — Subsided
• MPC — Marine Prediction Center
• DVRG — Diverge
• ACC — Area Control Center
• OTR — Other
• RCMD — Recommend
• AOB — At or Below
• QUAD — Quadrant
• HI — High
• PIREP — Pilot (weather) Report
• SS — Sandstorm
• WSR-57 — A NWS Weather Surveillance Radar designed in 1957
• TRMM — Tropical Rainfall Measuring Mission (US-Japan)
• STN — Station
• NSSL — National Severe Storms Laboratory
• RVSD — Revised
• THTN — Threaten
• T — Temperature
• PUP — Principal User Processor (NEXRAD)
• PRI — Primary
• INTMT — Intermittent
• YDA — Yesterday

• FEW — Few
• PY — Spray
• EST — Estimate
• CHSPK — Chesapeake
• POSS — Possible
• SKED — Schedule
• SWEAT INDEX — Severe WEAther Threat Index
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• LGT — Light
• HDG — Heading
• XBT — expendable bathythermograph (oceanography)
• ADDN — Addition
• FFS — Flash Flood Statement
• FFW — Flash Flood Warning
• Z — Zulu (Greenwich mean time)
• RSTRG — Restricting
• AMDT — Amendment
• AAA — Amended meteorological message
• ROML — Regional Operations Manual Letter
• BND — Bound
• RECON — Reconnaissance
• CU — Cumulus
• DMNT — Dominant
• THKR — Thicker
• LLJ — Low Level Jet stream
• UNL — Unlimited
• IFR — Instrument Flight Rules
• REPL — Replace
• CNFDC — Confidence
• ADA — Advisory Area
• NAMIS — NATO Automated Meteorological Information System
• SMG — Space Flight Meteorology Group
• SPD — speed of pupillary dilation
• UNKN — Unknown
• DMSHG — Diminishing
• SXN — Section
• WBZ — Wet-Bulb Zero
• HN — Sunset to sunrise
• NNICE — Neural Network for Icing
• TRMTD — Terminated
• NOSIG — No Significant Change
• NSW — Nil Significant Weather
• SG — Snow Grains (weather reports)
• FFG — Flash Flood Guidance
• BLSA — Blowing Sand (METAR Code)
• WNW — West-northwest
• EXTD — Extend
• RGN — Region
• BLD — Build
• DDS — Data Distribution System

• GR — Hail
• ITCZ — Intertropical Convergence Zone (of Seawater)
• NBAA — National Business Aviation Association, Inc.
• BCM — Become
• CDC — Climate Diagnostics Center
• TOR — Tornado Warning
• WSR-74 — A NWS Weather Surveillance Radar designed in 1974
• ADVYS — Advisories
• SUGG — Suggesting
• TURB — Turbulence
• VIP — Video Integrator and Processor
• CNCL — Cancel
• LLP — Lightning Location and Protection, Inc
• HAZ — Hazard
• VV — Vertical Velocity
• ALERT — Automated Local Evaluation in Real Time
• TRNSP — Transport
• SMWHT — Somewhat
• BFR — Before
• CI — Cirrus
• FM — From
• WIBIS — Will Be Issued
• ANLYS — Analysis
• NVA — Negative Vorticity Advection
• WSW — West-southwest
• WB — Westbound
• RSTRD — Restricted
• SHFTD — Shifted
• SUPSDS — Supersedes
• TROFS — Troughs
• TROP — Tropopause
• CMPLX — Complex
• BKN — Broken
• PCPN — Precipitation
• VIL — Vertically-Integrated Liquid water
• JUL — July
• LSR — Local Storm Report
• RPRTS — Reports
• AFT — Afternoon
• TOP — Cloud Top
• SRN — Southern
• APCH — approach
• BNDRY — Boundary
• PPINE — Plan Position Indicates No Echoes
• AWDS — Automated Weather Distribution System
• NBRHD — Neighborhood
• RWY — Runway
• RA — Rain
• CIG — Ceiling
• APCHG — Approaching

• EXTN — Extension
• WRN — Western
• CB — Cumulonimbus
• AS — Altostratus
• DRFTG — Drifting
• APCHS — Approaches
• CRCLN — Circulation
• DZ — Drizzle
• BCKG — Backing
• BDRY — Boundary
• DES — Descend
• ID — Idaho
• RDR — Radar
• RHI — Range-Height Indicator
• AZM — Azimuth
• RPRT — Report
• EMC — Environmental Modeling Center
• AIRMET — AIRman's METeorological Information
• WB — Weather Bureau
• DLY — Daily
• T — Thunderstorm (weather reports)
• CD — Climatological Data
• PRVDD — Provided
• WSFOS — Weather Service Forecast Offices
• PRST — Persist
• NRN — Northern
• PRES — Pressure
• GFS — Global Forecast System
• WI — Within
• NRCS — Natural Resources Conservation Service
• RAOB — Radiosonde Observation
• FLUC — fluctuation
• ACCID — Notification of an aircraft accident
• FPM — Feet Per Minute
• TDL — Techniques Development Laboratory
• JAN — January
• UIR — Upper Flight Information Region
• TNGT — Tonight
• THSD — Thousand
• DEP — Depart
• STFRM — Stratiform
• CLRG — Clearing
• ST — Stratus
• OAC — Oceanic Area Control Center
• INSTL — Install
• CRC — Circle
• LINUX — UNIX-like computer operating system
• NNW — North-Northwest
• CSI — Conditional Symmetric Instability
• PNHDL — Panhandle

• UVV — Upward Vertical Velocity
• G — Green
• WSWLY — West-Southwesterly
• CUFRA — Cumulus Fractus
• WMC — World Meteorological Center
• BYD — Beyond
• IAO — In And Out
• AMOS — Automated Meteorological Observing System
• NCAR — National Center for Atmospheric Research (US)
• VVP — Volume Velocity Processing
• LONG — Longitude
• OVR — Over
• SMPDBK — The Simplified Dam Break Model
• TURBC — Turbulence
• CNTR — Center
• NCEP — National Centers For Environmental Prediction (form. NMC; NWS Center)
• NHC — United States National Hurricane Center
• TSB — Technical Support Branch
• SSWWD — South-Southwestward
• CNL — Cancel
• ADVY — Advisory
• INTCNTL — Intercontinental
• ABNDT — Abundant
• FA — Area Forecast
• NCO — NCEP Central Operations
• FAR — False Alarm Ratio
• DISRED — Disregarded
• ATLC — Atlantic
• PTCHY — Patchy
• BLO — Below
• LAM — Logical acknowledgment
• SHUD — should
• SN — Snow
• AOML — Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
• AOPA — Aircraft Owners and Pilots Association
• UCP — Unit Control Position
• API — Antecedent Precipitation Index
• PRESRR — Pressure Rising Rapidly
• HND — Hundred
• SHFTG — Shifting
• ENCTR — Encounter
• DDS — Domestic Data Service
• ABNML — Abnormal
• DRFT — Drift
• WND — Windsor
• WRNGS — Warnings
• SGFNT — Significant
• FEB — February
• NAV — Navigator
• DNSTRM — Downstream

• THNR — Thinner
• VFY — Verify
• IMDTLY — Immediately
• COV — Cover
• TRPCD — Tropical Continental
• SFERICS — Atmospherics
• EAA — Experiment Aircraft Association
• ZN — Zone
• THU — Thursday
• WFO — Weather Forecast Office
• KLYR — Smoke Layer Aloft
• WNWLY — West-northwesterly
• UAB — Until Advised By
• VLY — Valley
• AOB — Aviation Operations Branch
• GA — Georgia
• SUP — Supply
• JUN — June
• MB — Millibar(s)
• VFYG — Verifying
• SE — Southeast
• VAL — Valley
• XPLOS — Explosive
• PRSTNC — Persistence
• LVLS — Levels
• FRZN — Frozen
• PRBL — Probable
• RDC — Reduce
• TDWR — Terminal Doppler Weather Radar
• APST — Aviation Products and Services Team
• DLT — Delete
• CPBL — Capable
• NW — North West
• THKNG — Thickening
• OUBD — Outbound
• GFDL — Geophysical Fluid Dynamics Laboratory (NOAA US)
• SPKLS — Sprinkles
• FREQ — Frequency
• INSTF — Intensify
• ETA — estimating arrival
• LTGCC — Lightning Cloud-to-Cloud
• PRECD — Precede
• ENDG — ending
• SMTH — Smooth
• CNTY — County
• CS — Cirrostratus
• USMC — United States Marine Corporation
• CAEM — Commission for Aeronautical Meteorology (WMO)
• NMC — National Meteorological Center (US)
• AFWA — Air Force Weather Agency

• MNLY — Mainly
• SATFY — Satisfactory
• IMPR — Improve
• SHWRS — Showers
• NWP — Numerical Weather Prediction
• EL — Equilibrium Level
• OCS — Oklahoma Climatological Survey
• ERN — Eastern
• CCL — Convective Condensation Level
• EV — every
• METAR — Meteorological Terminal Aviation Routine Weather Report
• INP — If Not Possible
• LCTD — Located
• OAT — Outside Air Temperature
• AWT — Awaiting Trial
• ACPY — Accompany
• LDG — Landing (aviation)
• MOD — moderate dysplasia
• ARR — Arrive
• ACARS — ARINC Communications Addressing and Reporting System
• SM — Statute Mile
• INPR — in progress
• MST — Mosta
• SHRT — Short
• AMIS — Automated Meteorological Information System
• ESPINIT — ESP Initialization Program
• FRQ — Frequent
• AGFS — Aviation Gridded Forecast System
• CNDN — Canadian
• GV — Ground Visibility
• RTRNS — Returns
• RUC — Rapid Update Cycle
• HVY — Heavy
• LCTN — Location
• ADM — Administrative Messages
• ADZ — Advise
• DTRTG — Deteriorating
• PRSTNT — Persistent
• INTSFYS — Intensifies
• NCDC — National Climatic Data Center
• WSHFTS — Wind Shifts
• AVN — Aviation Model
• OVNGT — Overnight
• UVVS — Upward Vertical Velocities
• AFWIN — Air Force Weather Information Network
• AIV — Aviation Impact Variable
• OFP — Occluded Frontal Passage
• SUPS — Supplies
• NNE — North-North-East
• GAMA — General Aviation Manufacturers Association's

• MAR — March
• NML — Normal
• NC — National Center
• PROC — Procedure
• UPR — Upper
• WMSCR — Weather Message Switching Center Replacement
• KBDI — Keetch-Byram Drought Index
• AWHPS — Area Wide Hydrologic Prediction System
• BLZD — Blizzard
• RSNS — Reasons
• EXC — Except
• COMET — Cooperative Program for Operational Meteorology, Education and Training
• REQS — Requests
• OPS-II — Operational Weather Squadron Production System II
• LN — Line
• AFOS — Automation of Field Operations and Services
• MTN — Mountain
• LKLY — Likely
• INVOF — In vicinity of
• SUB — Substitute
• ICGIC — Icing in Clouds
• RVA — River Summary
• ITWS — Integrated Terminal Weather System
• UNSTLD — Unsettled
• PEN — Peninsula
• DSIPT — Dissipate
• RPRTD — Reported
• VLYS — Valleys
• TOVC — Top of Overcast
• FAH — Fahrenheit
• VRISL — Vancouver Island, BC
• ACCAS — Altocumulus Castellanus
• PRBLTY — Probability
• ENHNC — Enhance
• SPD — Speed
• ZNS — Zones
• SDF — Second-Day Feet
• INDCD — Indicated
• BT — Bathythermograph
• ZR — Freezing Rain
• NCCF — NOAA Central Computer Facility
• ARND — Around
• ROC — Rate of Climb
• SWPC — Space Weather Prediction Center
• LK — Lake
• CADAS — Centralized Automated Data Acquisition System
• INOP — Inoperative
• OVRN — Overrun
• KM — Kilometers to Miles
• RMNG — Remaining

• ACSL — Altocumulus Standing Lenticular
• ESTAB — Establish
• VISSR — visible and infrared spin scan radiometer (GOES)
• REPLD — Replaced
• IP — Ice Pellets
• CDB — Computing Development Branch
• HWVR — However
• CAVOK — conditions
• EUMETSAT — European Organization for the Exploitation of Meteorological Satellites
• ALTM — Altimeter
• OPN — Open
• CDFNT — Cold Front
• UCAR — University Corporation for Atmospheric Research
• NSSFC — National Severe Storms Forecast Center
• NAT — North Atlantic
• MIC — Meteorologist-In-Charge
• RMK — Remark
• TWIP — Terminal Weather Information for Pilots
• WSHFT — Wind Shift
• BECMG — Becoming
• EPV — Equivalent Potential Vorticity
• CANAM — Canadian/American
• PRECDG — Preceding
• FC — Funnel Cloud
• SHEFPARS — A software decoder for SHEF Data
• NR — Number
• YKN — Yukon
• RCHD — Reached
• DISRE — Disregard
• COM — Communications Society
• BRF — Brief
• QPFHSD — Ncep Heavy Snow Discussion
• VRY — Very
• APRXLY — Approximately
• TRNSPG — Transporting
• LLWS — Low Level Wind Shear
• FAM — Familiar
• DVRGG — Diverging
• SPC — Storm Prediction Center
• RQR — Require
• FSL — Forecast Systems Laboratory (a NOAA ERL)
• RMNDR — Remainder
• AAWU — Alaskan Aviation Weather Unit
• COT — At the Coast
• SKC — Sky Clear
• EB — Eastbound
• CAA — Cold Air Advection
• PUP — Principle User Processor
• CONTRAILS — Condensation Trails
• ACYC — Anticyclone

• EWD — Eastward
• MWO — Meteorological Watch Office
• BASE — Cloud base
• LOT — Local Office Team
• RCM — Radar Coded Message
• WINT — Winter
• MORENET — Missouri Research & Education Network
• TSFRS — Transfers
• TVS — Tornado Vortex Signature
• RCH — Reach
• HSF — High Seas Forecasts
• AHOS-S — Automatic Hydrologic Observing System - Satellite
• TSTM — Thunderstorm
• RSNG — Reasoning
• DSIPTN — Dissipation
• DVV — Downward Vertical Velocity
• BGN — Begin
• LMTG — Limiting
• CEM — Civil Emergency Message
• NFDRS — National Fire Danger Rating System
• FQT — Frequent
• GEMPAK — General Environmental Meteorological Package
• WEFAX — Weather Facsimile
• VIS — Visible
• WA — Western Approaches
• TROF — Trough
• SCA — Small Craft Advisory
• RFD — Rear Flank Downdraft
• SQSN — Snow Squalls
• PDS — Periods
• EHI — Energy Helicity Index
• SBSD — Subside
• SHFTS — Shifts
• MIDN — Midnight
• FLG — Flashing
• QUE — Quebec
• GAI — Global Atmospherics Inc
• COMPAR — Compare
• XNG — Crossing
• AFW — Air Force Weather
• ADVN — Advance
• ROTD — Rotated
• MAP — Mean Areal Precipitation
• VER — Vertical
• CC — Cirrocumulus
• RTD — Delayed
• NEXRAD — Next-Generation Weather Radar (NWS)
• BRM — Barometer
• CNCLG — Cancelling
• SLY — Southerly

• LO — Low
• CNVTV — Convective
• DVLPMT — Development
• RTRNG — Returning
• SVG — Serving
• WRMST — Warmest
• ADL — Additional
• LTST — Latest
• QBI — Compulsory IFR flight
• TSFR — Transfer
• CFP — Cold Front Passage
• ACTVTY — Activity
• RSG — Rising
• KT — Knots
• NAWAU — National Aviation Weather Advisory Unit
• TIL — Until
• PSBLTY — Possibility
• CNTRLN — Centerline
• WKNS — Weakens
• RIOGD — Rio Grande
• SUF — Sufficient
• FLRYS — Flurries
• SUG — Suggest
• SRND — Surround
• WKDAY — Weekday
• DSIPTG — Dissipating
• PTNLY — Potentially
• OVTK — Overtake
• DIFAX — Digital Facsimile
• BRG — Branching
• APRNTLY — Apparently
• OSO — Office of Systems Operations
• AMPG — Amplifying
• ETA — Greek letter, describes a constant height coordinate model system
• SLOLY — Slowly
• SIGMET — Significant Meteorological Advisory
• GEO — Geographic
• VAS — VISSR Atmospheric Sounder
• DSND — Descend
• ALF — Aloft
• TF — Terminal Forecast
• FNCTN — Function
• THDR — Thunder
• DPNG — Deepening
• HIFOR — High Level Forecast
• CIN — Convective Inhibition
• ACLT — Accelerate
• VRB — Variable
• VFYD — Verified
• TSNT — Transient

• AC — Anticipated Convection Outlook
• HPD — Hourly Precipitation Data
• BLW — Below
• FRMG — Forming
• CPC — Climate Prediction Center (NWS Center)
• CRCLC — Circulate
• DSF — Day-Second Feet
• SAW — Preliminary Notification of Forthcoming Watch
• OBS — Observe
• SLD — Supercooled Large Drops
• ESNTL — Essential
• SR — Sunrise
• CONS — Continuous
• CAFTI — Committee on Analysis and Forecast Techniques Implementation
• ATAD — Automated Telephone Answering Device
• RSN — Reason
• DPTH — Depth
• HPA — Hectapascal
• DVLPD — Developed
• NCWX — No Change in Weather
• FMT — Format
• LEWP — Line Echo Wave Pattern
• OSV — Ocean Station Vessel
• ESEWD — East-Southeastward
• FT — Terminal Forecast
• RES — Reserve
• SBLI — Lifted Index calculated using surfaced based parcel
• KMH — Kilometers per hour
• DVRGS — Diverges
• RPTG — Repeating
• ERL — Environmental Research Laboratories (absorbed By OAR Or NOAA Research)
• WRNG — Warning
• CYC — Cyclonic
• HLYR — Haze Layer Aloft
• AIRMET — Airman's Meteorological advisory
• NRLY — Nearly
• CONTDVD — Continental Divide
• LFM — Limited Fine Mesh
• AFTN — Air Force Television Network
• LTG — Lightning
• WS — Wind Shear
• DNSLP — Downslope
• RQRG — Requiring
• WWD — Westward (weather reports)
• LMTS — Limits
• IMT — immediate
• INTSFYG — Intensifying
• SST — Sea surface temperature
• MSTR — Moisture
• TRMTS — Terminates

• SWO — Staff Weather Officers
• STF — Stratiform
• UDDF — Up and Down Drafts
• EC — Environment Canada
• RAFS — Regional Analysis and Forecasting System
• ERY — Early
• WKEND — Weekend
• CBMAM — Cumulonimbus Mammatus
• DAPM — The Data Acquisition Program Manager
• RE — Regard
• FG — Fog Gun
• APRNT — Apparent
• SEWD — Southeastward
• FTHR — Further
• VOR — VHF Omnidirectional Radio Range
• ADVCTD — Advected
• DTRT — Deteriorate
• USWB — United States Weather Bureau
• ADVIS — Headwater Advisory Program
• DVRGNC — Divergence
• EFF — Experimental Forecast Facility
• ADVS — Advisory Service
• MAREP — Marine Reporting Program
• ASH — Assistant Service Hydrologist
• PRSNTLY — Presently
• RTRN — Return
• RCMDD — Recommended
• AFCTG — Affecting
• RPLC — Replace
• OTP — On Top
• ALUTN — Aleutian
• NSC — Nil Significant Cloud
• HURCN — Hurricane
• ADRNDCK — Adirondack
• NOHRSC — The National Operational Hydrologic Remote Sensing Center
• DVLP — Develop
• ISOL — Isolate
• AMP — Amplify
• TIP — Until past
• PROGD — Forecasted
• QG — An abbreviation for quasigeostrophic
• AWN — Automated Weather Network
• HMD — Hemispheric Map Discussion
• NMBRS — Numbers
• WAA — Warm Air Advection
• TCNTL — Transcontinental
• SCND — Second
• DEGS — Degrees
• ASSOCD — Associated
• NMRS — Numerous

• TOPS — Tops
• EXCLV — Exclusive
• OCFNT — Occluded Front
• SPECI — Aviation selected special weather report
• CLDS — Clouds
• SQ — Squall
• SLD — Solid
• BLKTG — Blanketing
• CARIB — Caribbean
• BGNG — Beginning
• BLKTS — Blankets
• KFRST — Killing Frost
• RCS — Reflectivity Cross Section
• CHGD — Changed
• FLWG — Following
• OVC — Overcast (METAR Code)
• IWEDA — Integrated Weather Effects Decision Aid
• TRML — Terminal
• IMDT — Immediate
• DMSHS — Diminishes
• TT — Teletype
• UPDFTS — Updrafts
• MHKVLY — Mohawk Valley
• BRKS — Breaks
• MULT — Multiple
• CSW — Committee for Space Weather
• LGRNG — Long Range
• AWC — Aviation Weather Center
• DNR — Department of Natural Resources
• FRM — Form
• WL — will
• PSND — Positioned
• EMBD — Embedded in a layer
• CIP — Current Icing Potential
• QFE — Atmospheric Pressure At Aerodrome Elevation
• ARTYMET — Artillery Meteorological
• DMSH — Diminish
• MDLS — Models
• AWSS — Aviation Weather Sensor System
• OCLN — Occlusion
• FZ — Freezing
• AVARS — Aircraft Vertical Acceleration Reporting System
• HTC — The Hydrometeorological Training Council
• AHOS-T — Automatic Hydrologic Observing System - Telephone
• LONGL — Longitudinal
• ICGIP — Icing in Precipitation
• FNTL — Frontal
• RAFC — Regional Area Forecast Center
• ESELY — East-southeasterly
• RW — Rain Shower

• AFCTD — Affected
• INC — in cloud
• PSBL — Possible
• ANBURS — Alphanumeric Backup Replacement System
• NTFY — Notify
• GOES — Geostationary Orbiting Environmental Satellite
• RSTR — Restrict
• DIF — Diffuse
• MCIDAS — Man-computer Interactive Data Access System
• PRECDS — Precedes
• OCNL — Occasional
• EXCP — Except
• MDCRS — Meteorological Data Communications and Reporting System
• CASC — Central Administrative Support Center
• DSNT — Distant
• PARL — Parallel
• SLW — Slow
• QPF — Quantitative Precipitation Forecast
• VLNT — Violent
• FRZ — Freeze
• AWOS — Automated Weather Observation System
• SAWRS — Supplementary Aviation Weather Reporting Station
• HVYST — Heaviest
• APPRG — Appearing
• REPLG — Replacing
• HADS — Hydrometeorological Automated Data System
• ARAM — Aviation, Range and Aerospace Meteorology
• RPD — Rapid
• NNELY — North-northeasterly
• CSTAR — Collaborative Science, Technology and Applied Research
• OM — Office of Meteorology
• BRS — Branches
• NOPAC — Northern Pacific
• DURN — Duration
• ENELY — East-northeasterly
• OTW — Owning The Weather
• SYNS — Synopsis
• CCLKWS — Counter-Clockwise
• STNRY — Stationary
• RAM — Regional Area Meteorologist
• XTRM — Extreme
• DISC — Discontinue
• INCRD — Increased
• OHD — Overhead
• TR — Track
• JMA — Japanese Meteorological Agency
• SPRD — Spread
• METOC — Meteorological and Oceanographic
• LTGCW — Lightning Cloud-to-Water
• NAVPACMETOCCEN — Naval Pacific Meteorology and Oceanography Center, Pearl Harbor, Hawaii

• SBSDS — Subsides
• DSTC — Distance
• KMARD — Kansas Modernization and Restructuring Demonstration
• VCNTY — Vicinity
• INTSTY — Intensity
• PROB — probability
• TWDS — Towards
• RPDLY — Rapidly
• SWODY2 — Day 2 Convective Outlook
• WAFS — World Area Forecast System
• CHGS — Changes
• RVS — River Statement
• ASSOCN — Association
• CLKWS — Clockwise
• OBSC — Obscure
• MDFYD — Modified
• CUF — Cumuliform
• BLDUP — Buildup
• PSBLY — Possibly
• IMPLS — Impulses
• RMN — Remain
• STGLY — Strongly
• WED — Wednesday
• DOM — Domestic
• INTST — Intensity
• DP — Deep
• BRKHIC — Breaks in higher clouds
• ESA — Electronic Systems Analyst
• OMTNS — Over Mountains
• PIREP — Pilot Report
• BAMS — Bulletin of the American Meteorological Society
• VRT MOTN — Vertical Motion
• ICG — Icing
• AMD — amend
• RCMDG — Recommending
• CLEICEIO — Great Lakes 5-Day Ice Outlook
• AMDD — Amended
• WLY — Westerly
• ALTA — Alberta
• IC — Ice Crystals
• DSNDG — Descending
• PRVD — Provide
• ENRT — En Route
• EXP — Expect
• ROD — Rate Of Descent
• SPOT — Spot Wind
• ADVCTG — Advecting
• AOA — At or Above
• TMPRYLY — Temporarily
• SBCAPE — CAPE calculated using a Surface based parcel

• MPL — Max Parcel Level
• MTW — Mountain Waves
• OU — University of Oklahoma
• DAMBRK — The Dam Break Forecasting Model
• TPC — Tropical Prediction Center
• PS — Plus
• INSTBY — Instability
• MDS — Minimum Discernible Signal
• NWSTC — National Weather Service Training Center
• PSCZ — Puget Sound Convergence Zone
• MRGL — Marginal
• PRECDD — Preceded
• RGNS — Regions
• WIST — Weather Information for Surface Transportation
• WND — Wind
• DISREG — Disregarding
• INDCG — Indicating
• ULJ — Upper-Level Jet
• LGWV — Long Wave
• MRGLLY — Marginally
• EVE — Evening
• ART — Automatic Radio Theodolite Master Control Unit As
• NEW ENG — New England
• RCRD — Record
• CASCDS — Cascades
• HRZN — Horizon
• WTU — Weather Technology Unit
• RGLR — Regular
• TFU — Theater Forecast Unit
• USWRP — United States Weather Research Program
• RVF — River Forecast
• STG — Strong
• FCSTD — Forecasted
• SD — Storm Data
• BDA — Bermuda Island
• VCY — Vicinity
• OCLDD — Occluded
• INBD — Inbound
• FRI — Friday
• RTVS — Real Time Verification System
• RCRDS — Records
• CTSKLS — Catskills
• URG — Urgent
• SASK — Saskatchewan
• SGFNTLY — Significantly
• DUR — Duration
• DSCNT — Descent
• CLEGLFGLS — Great Lakes Marine Synopsis
• RPRTG — Reporting
• LFTG — Lifting

• WCM — Warning Coordination Meteorologist
• TT — Total Totals
• HDSVLY — Hudson Valley
• BTL — Between layers
• SPDS — Speeds
• VRBL — Variable
• SCTR — Sector
• RPLCD — Replaced
• FIC — Flight Information Center
• VCTR — Vector
• ADVNG — Advancing
• ELSW — Elsewhere
• LYR — Layer
• NOWCAST — Short Term Forecast
• INCRS — Increases
• RVS — Revise
• MLLI — Mean Layer Lifted Index
• WIMS — Weather Information Management System
• PSG — Passing
• SIERNEV — Sierra Nevada
• EXTRAPD — Extrapolated
• LRGR — Larger
• AHD — Ahead
• TAWS — Tactical Acquisition Weather Software
• RVSS — Revises
• WRS — Worse
• EXTSV — Extensive
• HEL — Helicopter
• SWODY1 — Day 1 Convective Outlook
• WFP — Warm Front Passage
• EXPCD — Expected
• PLVL — Present Level
• GRID — Processed meteorological data in the form of grid point values
• GLFALSK — Gulf of Alaska
• NEXRAD — Next Generation Weather Radar
• FPO — Flood Potential Outlook
• ERYR — Earlier
• CIGS — Ceilings
• SWOMCD — SELS Mesoscale Discussion
• LTGCCCG — Lightning cloud-to-cloud cloud-to-ground
• CDFS — Cloud Depiction and Forecast System
• SNFLK — Snow flake
• SHRTWV — Shortwave
• IPV — Improve
• ACRS — Across
• WK — Weak
• XS — Atmospherics
• INDC — indicate
• ECMWF — European Center for Medium-Range Weather Forecasting model
• ARCUS — Arc Cloud

• RTA — Remote to AFOS
• MBRFC — Missouri Basin River Forecast Center
• PRVDS — Provides
• HYR — Higher
• ZL — Freezing Drizzle
• NFLD — Newfoundland
• GLFMEX — Gulf of Mexico
• EPD — Extended Forecast Discussion
• FNTS — Fronts
• FRZG — Freezing
• LKS — Lakes
• SELY — Southeasterly
• CNVGG — Converging
• APSG — After passing
• NLDN — National Lightning Detection Network
• NAP — NCEP Advisory Panel
• TSFRG — Transferring
• FAWS — Flight Advisory Weather Service
• DVLPG — Developing
• EXCLVLY — Exclusively
• DMSHD — Diminished
• ESERN — East-Southeastern
• LRGLY — Largely
• SEPN — Separation
• HDWND — Head Wind
• SPRDG — Spreading
• ROBEX — Regional OPMET bulletin exchange
• NWSRFS V5.0 — National Weather Service River Forecast Model Version 5
• BRKG — Breaking
• SUBTRPCL — Subtropical
• SUPG — Supplying
• TSSN — Thundersnow
• WDI — Wind Direction Indicator
• RMNS — Remains
• STDY — Steady
• DELMARVA — Delaware-Maryland-Virginia
• WDSPR — Widespread
• HLF — Half
• INTSFYD — Intensified
• DWOPER — Dynamic Wave Routing Model
• LV — Leaving
• TAFB — Tropical Analysis and Forecast Branch
• LTGIC — Lightning in Cloud
• SHRTWVS — Shortwaves
• EFCT — Effect
• TWI — Twilight
• CVRD — Covered
• DSTBLZ — Destabilize
• MDFYG — Modifying
• DBNET — Distributed Brokered Networking

• NGM — Nested Grid Model
• ITT — Information Technology Team
• RLTVLY — Relatively
• AGRS — Agrees
• IPVG — Improving
• SAP — As soon as possible
• BD — Blowing Dust
• WSP — Weather Systems Processor
• FOS — FAMILY OF SERVICES
• SEV — Severe
• RMND — Remained
• BNDRYS — Boundaries
• EXPCG — Expecting
• DSIPTD — Dissipated
• PL — Ice Pellets or Sleet
• APLCN — Appalachian
• GRTLY — Greatly
• JTSTR — Jet Stream
• ATDTDCS — Automated Tone Dial Telephone Data Collection System
• TNTVLY — Tentatively
• STNS — Stations
• CTWFC — CINC Target Weather Forecast Center
• INVRN — Inversion
• SERN — Southeastern
• FCSTG — Forecasting
• GRTST — Greatest
• PROG — Forecast
• NMBR — Number
• VA — Virginia Ash
• MOVG — Moving
• DRZL — Drizzle
• CCSL — Cirrocumulus Standing Lenticular
• CPHC — Central Pacific Hurricane Center
• STBLTY — Stability
• ASB — Aviation Support Branch
• NRW — Narrow
• ACLTD — Accelerated
• MMS-P — Meteorological Measuring System-Profiler
• CLEGLOCLE — Great Lakes Storm Outlook
• MAY — Mayaro
• MAN — Manitoba
• IOVC — In Overcast
• INTMTLY — Intermittently
• MARD — Modernization and Restructuring Demonstration
• TRBL — Trouble
• RCKYS — Rockies
• BRKSHRS — Berkshires
• STLT — Satellite
• SRNDG — Surrounding
• LDM — Local Data Manager

• NS — Nimbostratus
• SRNDS — Surrounds
• OFF — Offshore Forecast
• SS — Sunset
• DMGD — Damaged
• SUGS — Suggests
• STBL — Stable
• VIL — Vertically Integrated Liquid
• NWB — North-westbound
• OFCM — Office of the Federal Coordinator for Meteorological Services and Supporting Research
• HRL — The Hydrological Research Laboratory
• WARP — Weather and Radar Processor
• GNDFG — Ground Fog
• VGF — Virtual Graphics File
• INDEF — Indefinite
• MON — Monday
• DFUS — Diffuse
• SPLNS — Southern Plains
• BGNS — Begins
• INCLG — Including
• MLOS — Microwave Line-Of-Site
• CLEGLSCLE — Great Lakes Storm Summary
• THTNS — Threatens
• MESO — Mesoscale
• EMERG — Emergency
• XPC — Expect
• INTRP — Interrupt
• WID — Width
• MRTM — Maritime
• INCRGLY — Increasingly
• GTG — Graphical Turbulence Guidance
• ENSO — El Niño and Southern Oscilation
• MOV — Move
• TMPRY — Temporary
• DISCG — Discontinuing
• FAX — Facsimile Transmission
• OCNLY — Occasionally
• CONTG — Continuing
• UNSTBL — Unstable
• GRTLKS — Great Lakes
• AMDG — Amending
• MCIDAS — Man Computer Interactive Data Acquisition System
• NCDB — NCEP Computer Development Branch
• AGRD — Agreed
• ONSHR — Onshore
• AMPLTD — Amplitude
• LPATS — Lightning Position And Tracking System
• SUPR — Superior
• SUN — Sunday
• GRDLY — Gradually

• SVRL — Several
• INTRMTRGN — Intermountain Region
• NERN — Northeastern
• ADVCT — Advect
• DSTBLZG — Destabilizing
• THTNG — Threatening
• MEGG — Merging
• RL — Report Leaving
• MSTLY — Mostly
• SLO — Slow
• CWF — Combat Weather Flight
• APLCNS — Appalachians
• THD — Thunderhead
• SRY — Secondary
• BAJA — Baja California
• SNWFL — Snowfall
• FIAS — Flight Information Advisory Service
• CAAM — Computer Assisted Artillery Meteorology
• IIDA — Integrated Icing Diagnostic Algorithm
• PQPF — probabilistic quantitative precipitation forecast
• SRNDD — Surrounded
• USBR — US Bureau of Reclamation
• ISCS — International Satellite Communications System
• MRNG — Morning
• NATA — National Air Transportation Assoc.
• UVM — Upward Vertical Motion
• DCR — Decrease
• NADIN — National Airspace Data Interchange Network
• SSW — South Southwest
• NNWLY — North-northwesterly
• FLG — Falling
• AMS — American Meteorology Society
• NWSH — National Weather Service Headquarters
• ZE — Equivalent Radar Reflectivity
• CDFNTL — Cold frontal
• EVAD — Extended Velocity
• DIGG — Digging
• LEVEL — Level
• METAR — Meteorological Aviation Report
• CNCLS — Cancels
• TDO — Tornado
• ELNGTD — Elongated
• BFDK — Before Dark
• FRWF — Forecast Wind Factor
• FNT — Front
• ADVCTS — Advects
• FCEXEC — A component of the NWSRFS FCST Program
• NIL — None
• HVYR — Heavier
• APPR — Appear

• NWSEO — National Weather Service Employees Organization
• PPI — Plane Position Indicator
• RE — Recent
• ALGHNY — Allegheny
• INTSFCN — Intensification
• VWP — Velocity Azimuth Display Wind Profile
• SCT — Scattered
• CNVGNC — Convergence
• GSTS — Gusts
• EXTRMLY — Extremely
• JCTN — Junction
• PWO — Public Severe Weather Outlook
• NAVMETOCCOM — Naval Meteorology and Oceanography Command
• DFCLTY — Difficulty
• PVL — Prevail
• UNRSTD — Unrestricted
• RS — Receiver station
• XCP — Except
• DSTBLZN — Destabilization
• CHGG — Changing
• ASC — Aviation Services Coordinator
• GEOREF — Geographical reference
• ROSA — Remote Observing System Automation
• WSR-88D — Weather Surveillance Radar - 1988 Doppler
• INCRG — Increasing
• RPLCG — Replacing
• LDADS — Local Data Acquisition and Dissemination System
• GRTR — Greater
• ENEWD — East-northeastward
• THRFTR — Thereafter
• NEXRAD — NEXt generation of weather RADar
• CNTYS — Counties
• RAG — Ragged
• XTRMLY — Extremely
• DPND — Deepened
• WVS — Waves
• OBST — Obstacle
• WAFC — World Area Forecast Center
• NBND — Northbound
• DRFTD — Drifted
• NWLY — Northwesterly
• CGEN — Convective Sigmet Generation
• BLKHLS — Black Hills
• LAN — Inland
• CWSU — Center Weather Service Unit
• INDCS — Indicates
• ELNGT — Elongate
• OVRNG — Overrunning
• OUTFLO — Outflow
• CNIF — Calibration Network Information Files

• SNST — Sunset
• NWD — Northward
• ARFOR — Area Forecast
• FVT — Forecast Verification Tool
• UNSBL — Unseasonable
• CLA — Clear type of ice formation
• DWNDFTS — Downdrafts
• M — Mesocyclone
• SMW — Special Marine Warning
• SFD — STATE FORECAST DISCUSSION
• GS — Small hail and snow pellets
• CSTL — Coastal
• SSE — South-Southeast
• OCWWS — Office of Climate, Water and Weather Services
• MOVMT — Movement
• KCFB — Kansas City Federal Building
• DGNL — Diagonal
• ENHNCMNT — Enhancement
• ATWIS — Advanced Transportation Weather Information System
• FG — Foggia
• USACE — Unites States Army Corps of Engineers
• DWSW — Deployable Weather Satellite Workstation
• UNRELBL — Unreliable
• DIV — Divert
• LRGST — Largest
• SAMEX — Storm and Mesoscale Ensemble Experiment
• ALG — Along
• T — Thunder
• FRST — Frost
• DGNLLY — Diagonally
• CLEICEFBO — Great Lakes Ice Outlook for the Opening of Navigation
• FFA — Flood
• SP — Snow Pellets
• FCMSSR — Federal Committee for Meteorological Services and Supporting Research
• ENHNCD — Enhanced
• SHEF — Standard Hydrologic Exchange Format
• DURG — During
• BCMG — Becoming
• MS — Minus
• DWPNTS — Dewpoints
• COOR — Co-ordinate
• DALGT — Day light
• DMGG — Damaging
• DCRGLY — Decreasingly
• AMDAR — Automatic Meteorological Data And Reporting
• IOS — Integrated Operational Services
• CVRG — Covering
• RGL — Regional Model
• PVLG — Prevailing
• DSTBLZD — Destabilized

• SCTD — Scattered
• ASAPTRAN — The software component of ASA
• DLA — Delay
• MULTILVL — Multi-level
• FQTLY — Frequently
• STP — Storm Total Precipitation
• SELS — SEvere Local Storms Unit
• PMD — Prognostic Discussion
• PC-GRIDDS — Pc-Gridded Interactive Display and Diagnostic System
• MESO — Mesoscale Convective Unit
• SNBNK — Snow bank
• MULI — Most Unstable Lifted Index
• WIDA — Weather Impact Decision Aids
• WRM — Warm
• ASMD — As amended
• TPG — Topping
• WER — WEAK ECHO REGION
• SIGWX — Significant Weather
• INCLD — Included
• VA — Volcanic Ash
• INTR — Interior
• RADAT — RADiosonde Observation Data
• HLSTO — Hailstones
• FDR — Fire Danger Rating
• ET — Electronic Technician
• SLT — Sleet
• ICE — icing
• SMOOS — Shipboard Meteorological and Oceanographic Observing Sensor
• BCMS — Becomes
• FILG — Filling
• MLCAPE — Mean Layer CAPE
• AFT — After
• CVRS — Covers
• PRVDG — Providing
• SMTHR — Smoother
• LWRG — Lowering
• COMPARG — Comparing
• ASC — Ascent to
• ENERN — East-northeastern
• BPAA — Business Pilots Aircraft Association
• CRNRS — Corners
• WRS — Weather Reconnaissance Squadron
• GOM — Global Ocean Model
• EXTDD — Extended
• SAOS — Surface Observations
• DLAD — Delayed
• SHLD — SHieLD
• BRKSHR — Berkshire
• NEWD — Northeastward
• RPLCS — Replaces

• EXTDG — Extending
• SWI — Showalter Index
• U/S — Unserviceable
• TRMT — Terminate
• SWAFS — Space Weather Analysis and Forecasting System
• MWAVE — Mountain Wave Algorithm
• I — See inphase
• SWB — South-Westbound
• DSIPTS — Dissipates
• LN — Line Network
• STAGN — Stagnation
• RSMC — Regional/Specialized Meteorological Centers
• AFCT — affect
• STMS — Storms
• GENLY — Generally
• MOVS — Moves
• SAO — Surface observation
• VSA — By Visual Reference to the Ground
• DEV — Deviation
• CNVTVLY — Convectively
• THNST — Thinnest
• AQI — Air Quality Statement
• CRP — Critical Rainfall Probability
• GRAD — Gradient
• PLNS — Plains
• SLGT — Slight
• ENHNCS — Enhances
• DVLPS — Develops
• SPECIAL — Special Meteorological Report
• SIMUL — Simultaneous
• ATMU — AIR TRANSPORTABLE MOBILE UNIT
• LWR — Lower
• ESTS — Estimates
• ISOLD — Isolated
• SVR — Severe
• SBND — South bound
• NACA — National Advisory Committee on Aeronautics
• IMPL — Impulse
• WTRS — Waters
• NWRN — Northwestern
• TWEB — Transcribed Weather En route Broadcast
• VORT — Vorticity
• DNDFTS — Downdrafts
• MTU — Metric units
• SEL — Severe Thunderstorm Watch, Tornado Watch
• UNEC — UnNECessary
• EXTDS — Extends
• EXPC — Expect
• NCWF — National Convective Weather Forecast
• RAMSDIS — RAMM Advanced Meteorological Satellite Demonstration and Interpretation System

• CG — Cloud-Ground Lightning
• PRIND — Present indications are
• TWRG — Towering
• VFYS — Verifies
• AHOS — Automatic Hydrologic Observing System
• SC — Stratocumulus (cloud formation)
• PGTSND — Puget Sound
• NWR — NOAA Weather Radio
• WNWWD — West-Northwestward
• ARSI — Atmospheric Research System, Inc.
• WEA — Weather
• CLEICEFBO — Great Lakes Freeze-Up Outlook
• TNDCYS — Tendencies
• IFFDP — International Flight Folder Documentation Program
• WRMFNT — Warm Front
• ROT — Rotate
• STFR — Stratus Fractus
• KU — University of Kansas
• VDUC — VAS Data Utilization Center
• OCLDG — Occluding
• RAWS — Remote Automatic Weather Station
• GSTY — Gusty
• HSB — Hydrologic Systems Branch in the Office of Hydrology
• FLN — National Flood Summary
• MDS — Meteorological Distribution System
• INLD — Inland
• CLRS — Clears
• RHINO — RHI not operative
• DCRG — Decreasing
• MMS — METEOROLOGICAL MEASURING SYSTEM
• DCRS — Decreases
• LGTR — Lighter
• GLFCAL — Gulf of California
• WSFO — Weather Service Forecast Office
• NWP — Numerical Weather Predication
• CBOFS — Chesapeake Bay Oceanographic Forecasting System
• DSTBLZS — Destabilizes
• NNEWD — North-Northeastward
• HUD — Housing and Urban Development, U.S. Department of
• ERD — Excessive Rainfall Discussion
• SSHP — Site Specific Hydrologic Prediction System
• CWS — Combat Weather Squadron
• ET — Echo Tops
• STM — Storm
• HIC — Hydrologist In Charge
• ENHNCG — Enhancing
• OFSHR — Offshore
• FROSFC — Frontal Surface
• WETM — Weather Team
• IFLOWS — The Integrated Flood Observing and Warning System

• TDA — Today
• FRMN — Formation
• ESF — Flood Potential Outlook
• RSTRS — Restricts
• TSRA — Thunderstorm with rain
• QTP — Quality Through Partnership
• TFS — Tactical Forecast System
• CMFC — Coordinating METOC Forecast Center
• METMFR — Meteorological Mobile Facility Replacement
• SPRL — Spiral
• MST — Meteorological Support Teams
• GRDL — Gradual
• MXD — Mixed
• LIVV — Lifted Index Vertical Velocity
• ETC — Echo Tops Contour
• OCRG — Occurring
• SLPG — Sloping
• LIS — Lifted indices
• PDMT — Predominant
• REPLS — Replaces
• RNFL — Rainfall
• CAPS — Center for Analysis and Prediction of Storms
• OCRS — Occurs
• RDVLP — Redevelop
• R — Reduction
• UNSTDY — Unsteady
• RESTR — Restrict
• CWA — Center Weather Advisory - CWSU
• ASIST — Aviation Safety Investment Strategy Team
• RLTV — Relative
• OHP — One-Hour Rainfall Rate
• TAMU — Tropical Aviation Meteorological Unit
• HCVIS — High Clouds Visible
• DUC — Dense Upper Cloud
• WIE — With Immediate Effect
• DRFTS — Drifts
• CHCS — Chances
• LSQ — Line Squall
• MDTLY — Moderately
• UKMETO — United Kingdom Meteorological Office
• CW — Cloud-Water Lightning
• VLNTLY — Violently
• WNDS — Winds
• USBL — Usable
• VLCTY — Velocity
• MNLND — Mainland
• SWD — Southward
• XTNDG — Extending
• XTND — Extend
• NAWPC — National Aviation Weather Program Council

• WKN — Weaken
• MRF — Medium-Range Forecast Model
• ZFP — Zone Forecast Product
• VSBYDR — Visibility Decreasing Rapidly
• PSG — Passage
• TWR — Tactical Weather Radar
• SSWLY — South-Southwesterly
• HP — High Precipitation
• VCS — Velocity Cross Section
• DCRD — Decreased
• NMOC — National Meteorological Operations Centre
• UNUSBL — Unusable
• ER — Here
• DKTS — Dakotas
• DNS — Dense
• INTSFY — Intensify
• OSD — Office of Systems Development
• G — Gust
• WST — Weather Support Team
• RDGG — Ridging
• SRRS — Systems Record Retention System
• YLSTN — Yellowstone
• OCRD — Occurred
• LO — Lower Order
• PE — Ice pellets
• GLFSTLAWR — Gulf of St. Lawrence
• MLTLVL — Melting Level
• DRG — During
• SSEWD — South-Southeastward
• PPSN — Present Position
• NIDS — NEXRAD Information Dissemination Service
• CAWIS — Committee for Automated Weather Information Systems
• VAAC — Volcanic Ash Advisory Centers
• TWEB — Transcribed Weather Broadcast
• NOWS — NVG Operations Weather Software
• NSH — Nearshore Lake Forecast
• RR — Report Reaching
• DFRS — Differs
• WKNG — Weakening
• SDM — Senior Duty Meteorologist
• IWRS — Improved Weather Reconnaissance System
• RGD — Ragged
• TRW — Thunderstorm
• MAY — Maysville
• SOO — Scientific Operations Officer
• SNW — Snow
• ENE — east-northeast
• PIBAL — pilot-balloon observation
• DNWND — Down wind
• HSA — Hydrologic Service Area

• HUREP — Hurricane Report
• NWSTG — National Weather Service Telecommunications Gateway
• RVI — River Ice Statement
• TSIP — Thundersleet
• TEMPO — Temporary
• NB — NorthBound
• STWDSR — Surface Transportation Weather Decision Support Requirements
• BNTH — Beneath
• RCVS — Receives
• CSDR — Consider
• PROGS — Forecasts
• NESDIS/SAB — National Environmental Satellite, Data and Information Service/Satellite Analysis Branch
• EMBDD — Embedded
• CWA — County Warning Area
• CWF — Coastal Marine Forecasts
• SIGMET — Significant Meteorlogical Information
• HMT — Hydrometeorological Technicians
• DLTG — Deleting
• TRIB — Tributary
• WDSPRD — Widespread
• NWWS — NOAA Weather Wire System
• HIGH — HIGHLAND
• DMCC — DOE Meteorological Coordinating Council
• TRMTG — Terminating
• DSNDS — Descends
• NAVTEX — Navigational Telex
• TRPCL — Tropical
• ROTG — Rotating
• TCM — Tropical Cyclone Forecasts/Advisory
• WKR — Weaker
• SPF — Probability of Tropical Cyclone Conditions
• LWRD — Lowered
• HWO — Severe Weather Potential Statement
• CCLDS — Clear of Clouds
• GICG — Glaze Icing
• CAPPI — CONSTANT ALTITUDE PPI
• OVTKS — Overtakes
• DU — Dust
• FOUS — Forecast Output United States
• SHARP — Skew-T Hodograph Analysis and Research Program
• RCHG — Reaching
• THKST — Thickest
• METMF — Meteorological Mobile Facility
• VCOT — VFR Conditions on Top
• TUE — Tuesday
• TCE — Tropical Cyclone Position Estimate
• MC — Meteorological Codes
• PSH — Preliminary Tropical Storm Report
• TDU — Techniques Development Unit
• SMLR — Smaller

• PWS — Precipitable Waters
• REP — Report
• NNWWD — North-Northwestward
• GDS — GeoMet Data Services, Inc.
• CSC — Combined Shear Contour
• TOFS — Tactical Observing & Forecasting System
• TNDCY — Tendency
• ESS — Water Supply Outlook Product
• NAOS — North American Atmospheric Observing System
• HDFRZ — Hard Freeze
• DPNS — Deepens
• SWLG — Swelling
• CSDRBL — Considerable
• SDM — Station Duty Manual
• RMTN — Regional Meteorological Telecommunications Network
• CLDNS — Cloudiness
• HIER — Higher
• SFP — State Forecast Product
• SA — Sand
• CHC — Chance
• SOO — Scientific and Operations Officer
• HLS — Hurricane Local Statement
• PRJMP — Pressure Jump
• UNSTL — Unsettle
• HPC — Weather Prediction Center
• OPA — Opaque, white type of ice formation
• SPRDS — Spreads
• NWFO — National Weather Service Forecast Office
• PCD — Proceed
• INTS — intense
• MCD — Mesoscale Discussion
• TWS — Tropical Weather Summary
• CNVG — Converge
• XTNDD — Extended
• TRKG — Tracking Corporation (OTC Bulletin Board [OTCBB])
• OCLD — Occlude
• VRG — Veering
• APPRS — Appears
• ORGPHC — Orographic
• EPSCOR — Experimental Program for the Stimulation of Competitive Research
• RSIS — Rs Information Services, Inc.
• CBS — Cumulonimbi
• PO — Dust devils
• UPSTRM — Upstream
• AWT — Awaiting Test
• SBSDNC — Subsidence
• SPS — Special (Weather) Statement
• FFA — Flood Frequency Analyses
• ESE — East-southeast
• PVLD — Prevailed

• QPFSPD — Nmc Special Precipitation Discussion
• NNWRN — North-Northwestern
• WSWRN — West-Southwestern
• NWSO — National Weather Service Office
• TACWX — Tactical weather
• OVTKG — Overtaking
• STGR — Stronger
• MISG — Missing
• UNSATFY — Unsatisfactory
• NPSU — National Public Service Unit
• SND — Sanderson
• PRC — Planning and Research Corporation
• SWA — Severe Weather Analysis
• QPFERD — Nmc Excessive Rainfall Discussion
• RCHS — Reaches
• PNS — Public Information Statement
• THN — Thin
• EBND — East bound
• CST — Coast
• UWNDS — Upper Winds
• MCDW — Monthly Climatic Data of the World
• SSERN — South-Southeastern
• SWP — Severe Weather Probability
• NPRA — National Performance Results Act
• VOMIT — VIL Of the Moment In Time
• XPCG — Expecting
• WSDDM — Weather Support to Deicing Decision Making
• WINDS — Weather Information and Display System
• M — Mach number
• NPRS — Nonpersistent
• VSBYIR — Visibility Increasing Rapidly
• SSWRN — South-Southwestern
• LTLCG — Little Change
• VRS — Veers
• SMA — Soil Moisture Accounting Model
• RDVLPG — Redeveloping
• RVR — River Recreation Statement
• HIGH — High Core Threshold
• MDT — Moderate
• FNTGNS — Frontogenesis
• RCMDS — Recommends
• WBND — West Bound
• SHARS — Subtle Heavy Rainfall Signature
• THTND — Threatened
• RDVLPMT — Redevelopment
• PIBALS — Pilot Balloon Reports
• NCWD — National Convective Weather Diagnostic
• HLTP — Hilltop
• ROB — Radar Coded Observation
• CNVTN — Convection

• SHLW — Shallow
• CS — Combined Shear
• SSELY — South-Southeasterly
• WFOS — Weather Forecast Offices
• IDS — International Data Service
• CYCLGN — Cyclogenesis
• CCA — Corrected meteorological message
• ESP — Extended Streamflow Prediction
• TRSN — Transition
• SWR — State Weather Roundup
• WPLTO — Western Plateau
• OCLDS — Occludes
• RVSG — Revising
• WWS — Severe Weather Watches
• MX — Mixed Type of Ice Formation
• SNOINCR — Snow increase
• FNTLYS — Frontolysis
• THP — Three-Hour Rainfall Rate
• SUPSDG — Superseding
• CSI — Critical Success Index
• TWO — Tropical Weather Outlook
• WSTCH — Wasatch Range
• UN — Unable
• TSHWRS — Thundershowers
• BATROP — Barotropic
• NIDS — NEXRAD Information Distribution Service
• STNR — Stationary
• COR — Corrected/Correction
• SWS — Severe Weather Statement
• PTNS — Portions
• SB — Southbound
• FIP — Forecast Icing Potential
• CR — Composite Reflectivity
• WNWRN — West-Northwestern
• SYNOP — Synoptic
• AMS — Air mass
• UKMET — United Kingdom Meteorological Agency
• EIF — Enhanced IFLOWS Format
• DPR — Deeper
• SLGTLY — Slightly
• HIC — Hydrometeorological Information Center
• EMWIN — Emergency Managers Weather Information Network
• RLBL — Reliable
• TAP — Transition Aviation Project
• DTRTS — Deteriorates
• SRR — Storm Relative Mean Radial Velocity Region
• UNA — Unable
• NNERN — North-Northeastern
• IC — In-Cloud Lightning
• PRSTS — Persists

• WTSPTS — Waterspouts
• TSHWR — Thundershower
• SA — Surface observation
• POP — Precipitation Probability
• WRMG — Warming
• TCP — Public Tropical Cyclone Advisory
• UPSLP — Upslope
• SWRN — Southwestern
• ROTS — Rotates
• TEN — Theta-e Index
• NL — No layers
• SRM — Storm Relative Mean Radial Velocity Map
• SEB — South-eastbound
• PVLT — Prevalent
• MET — Meteorology
• JWIS — Joint Weather Impacts System
• SPKL — Sprinkle
• VSB — Visible
• XPCS — Expects
• WSWWD — West-Southwestward
• OCR — Occurrence
• MOGR — Moderate, or Greater
• RUF — Rough
• PVLS — Prevails
• FLS — River Flood Statement
• SCC — Tropical Storm Summary
• SMTHST — Smoothest
• GFA — Graphical Area Forecast
• ENTR — Entire
• QPFPFD — Ncep Precipitation Forecast Discussion
• VVSTORM — model-based convection algorithm
• SCSL — Standing lenticular stratocumulus
• TCU — tropical cyclone update
• WKST — Weakest
• TYP — Type of Aircraft
• STI — Storm Tracking Information
• SWWD — Southwestward
• LP — Low Precipitation
• NOW — Short Term Forecast
• DWPNT — Dewpoint
• USFS — U.S. Forest Service
• SQLN — Squall Line
• VARN — Variation
• SUNYA — State University of New York, Albany
• WRMFNTL — Warm Frontal
• SLS — Watch Redefining Statement
• TL — Till
• N-AWIPS — National Centers-AWIPS
• SX — Stability Index
• G — Green time

• REC — Recreation Report
• PFD — QPF Discussion
• DSA — Special Tropical Disturbance Statement
• TEND — Trend forecast
• PLTO — Plateau
• WRMR — Warmer
• MOS — Model Output Statistics applications
• QSTNRY — Quasistationary
• TS — Thunderstorm without precipitation
• WSOM — National Weather Service Operations Manual
• MET — Meteorological Teams
• SNOTEL — Snow Telemetry
• DS — Dust Storm
• SCS — Spectrum Width Cross Section
• SLOR — Slower
• TSQLS — Thundersqualls
• SPA — Subtropical Cyclone Public Advisory

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