toggle menu

Home / Scientific & Educational / Weather

Scientific & Educational >> Weather Abbreviations

Look through 2217 acronyms and abbreviations related to Weather:

• NB — New Brunswick
• MIFG — Shallow Fog (METAR Code)
• TRRN — Terrain
• LAN — Local Area Network
• NBFR — Not Before
• FTP — File Transfer Protocol
• ABT — About
• FLRY — Flurry
• Z DR — Differential Reflectivity
• GRT — Great
• CONSHELF — Continental Shelf
• VIP — Very Important Person
• ASAP — As Soon As Possible (pronounced AY-sap)
• FAR — Federal Aviation Regulation
• LCLY — Locally
• WAC — World Aeronautical Chart
• MSG — Message
• DLTD — Deleted
• PLS — Please
• AAL — Above Aerodrome Level
• RVR — Runway Visual Range
• S — South
• Y2K — Year 2000
• ATTN — Attention
• MOA — Memorandum Of Agreement
• SMS — Synchronous Meteorological Satellite
• FYI — For Your Information
• F SCALE — See Fujita Scale
• FIRAV — First Available
• ASL — Above Sea Level
• AGL — Above Ground Level
• USAF — United States Air Force
• WWW — World Weather Watch
• FEMA — Federal Emergency Management Agency
• ICAO — International Civil Aviation Organization
• E — East
• MPH — Miles Per Hour
• NNNN — End of Message
• DEC — December
• ATA — Area Transportation Authority
• B- — Convective Inhibition
• RFP — Request For Proposal
• C — Center
• ETA — Eta model
• AL — Alabama
• RF — Radio Frequency
• BLDU — Blowing Dust (METAR Code)
• FAA — Federal Aviation Administration
• J/KG — Joules per Kilogram
• RCVD — Received

• MIL — Military
• MOS — Model Output Statistics
• DMG — Damage
• KG — Kilogram
• Y — Yellow
• R — Right
• CHG — Change
• WILCO — Will Comply
• D-MAWDS — Digital Marine Weather Dissemination System
• PWR — Power
• R — Red
• NC — No Change
• STD — Standard
• SEC — Second
• LVL — Level
• WX — Weather
• N — North
• W — White
• MD — Maryland
• CM — Centimeter
• PBL — Planetary Boundary Layer
• NOV — November
• HTG — Heating
• CLD — Cloud
• G-AIRMET — Graphical Airmet
• RFC — River Forecast Center
• NAS — National Airspace System
• FLT — Flight
• CONTD — Continued
• PERM — Permanent
• V — Velocity
• FT — Feet
• JAN — January
• FIS — Flight Information Service
• LMT — Local Mean Time
• BC — British Columbia
• ASD — Aircraft Situation Display
• HPC — Hydrometeorological Prediction Center
• ATC — Air traffic control
• VFR — Visual Flight Rule
• ALT — Altitude
• CAT — Clear Air Turbulence
• CWT — Combat Weather Team
• W — West
• INU — Inertial Navigation Unit
• B — Blue
• MSL — Mean Sea Level
• ADJ — Adjacent
• GPS — Global Positioning System (ex-NAVSTAR)
• MID — Middle

• XPCD — Expected
• CAPE — Convective Available Potential Energy
• AMT — Amount
• CA — California
• VHF — Very High Frequency
• DTG — Date-Time Group
• TURBT — Turbulent
• NOTAM — Notice to Airmen
• NM — Nautical Mile
• CRS — Course
• NSF — National Sanitation Foundation
• LAT — Latitude
• RCV — Receive
• MCW — Modulated Continuous Wave
• FAA/AWR — Federal Aviation Administration/Aviation Weather Research Division
• LA — Louisiana
• T. D. — Tropical Depression
• RFI — Radio Frequency Interference
• MT — Mountain
• CW — Continuous Wave
• FIG — Figure
• SYS — System
• RQRD — Required
• AR — Arkansas
• NTSB — US National Transportation Safety Board
• AGC — Automatic Gain Control
• SIG — Signature
• SO — Southern Oscillation
• SWLY — Southwesterly
• MS — Mississippi
• NESDIS — National Environmental Satellite, Data, and Information Service
• OPS — Operations
• NS — Nova Scotia
• LTR — Later
• BTWN — Between
• DX — Duplex
• ACT — Active
• SH — Showers
• PSN — Position
• BR — Mist
• DC — District of Columbia
• SS — Sandstorm
• X — Cross
• TC — Tropical Cyclone
• WV — Water Vapor
• OPR — Operator
• MI — Michigan
• RPG — Radar Product Generator
• GUI — Graphical User Interface (goo-ey)
• CONT — Continue

• PRF — Pulse Repetition Frequency
• PA — Pennsylvania
• PRIM — Primary
• NY — New York
• COORD — Coordinate
• GND — Ground
• FLD — Field
• BRK — Break
• T.S. — Tropical Storm
• VAD — Velocity-Azimuth Display
• OCT — October
• AK — Alaska
• WO — Without
• RH — Relative Humidity
• OWS — Operational Weather Squadron
• CT — Connecticut
• CO — Colorado
• AFSS — Automated Flight Service Station
• INFO — Information
• TNTV — Tentative
• LEN — Length
• MN — Minnesota
• NATL — National
• METRO — Metropolitan
• ETC — Et Cetera
• OH — Ohio
• PW — Precipitable Water
• AD — Aerodrome
• POD — Probability Of Detection
• VR — Veer
• VIP — Video Integrator and Processor
• ND — North Dakota
• VOL — Volume
• UT — Utah
• Q — Quadrature
• SACSMA — Sacramento Soil Moisture Accounting Model
• TAS — True Airspeed
• SMK — Smoke
• VC — Vicinity
• N-TFS — New Tactical Forecast System
• PDT — Product Development Team
• SFC — Surface
• MCS — Mesoscale Convective System
• ACK — Acknowledge (telecommunications; Cf. NAK)
• LTL — Little
• AMSL — Above Mean Sea Level
• NE — Nebraska
• FSS — Flight Service Station
• RI — Rhode Island
• T — Thunderstorm (weather reports)

• NGT — Night
• MA — Massachusetts
• KY — Kentucky
• ADR — Advisory Route
• LI — Lifted Index
• MED — Medium
• CVR — Cover
• ANS — Answer
• RDA — Radar Data Acquisition
• BL — Blowing (METAR descriptor)
• FL — Florida
• TMW — Tomorrow
• UNL — Unlimited
• SML — Small
• WINTEM — Forecast upper wind and temperature for aviation
• VT — Vermont
• NJ — New Jersey
• OR — Oregon
• BLDG — Building
• MTNS — Mountains
• DATANET — Hydrologic Data Network Analysis Software
• SAT — Saturday
• MO — Missouri
• AMDT — Amendment
• NXT — Next
• M2/S2 — Meters squared per second squared
• AFD — Area Forecast Discussion
• FZFG — Freezing Fog
• VOLMET — Meteorological information for aircraft in flight
• PD — Period
• FWD — Forward
• RGT — Right
• NV — Nevada
• TN — Tennessee
• SD — South Dakota
• CD — Climatological Data
• CFS — Cubic Feet per Second
• WSW — West-southwest
• HR — Hour
• FM — From
• FU — Smoke
• ARTCC — Air Route Traffic Control Center
• PVA — Positive Vorticity Advection
• WI — Wisconsin
• BCM — Become
• ME — Maine
• IL — Illinois
• WBZ — Wet-Bulb Zero
• CDC — Climate Diagnostics Center
• OML — Operations Manual Letter

• WNW — West-northwest
• R — Required
• NEC — Necessary
• WB — Weather Bureau
• BA — Braking Action
• WI — Within
• LSR — Local Storm Report
• MPC — Marine Prediction Center
• DOD — United States Department of Defense
• SC — South Carolina
• WV — West Virginia
• CI — Cirrus
• OPMET — Operational Meteorological
• IA — Iowa
• WRNGS — Warnings
• LCL — Local
• TURB — Turbulence
• PY — Spray
• NM — New Mexico
• AFTN — Afternoon
• TOP — Cloud Top
• WNWLY — West-northwesterly
• CONUS — Continental United States (48 Contiguous States and DC)
• RVSD — Revised
• WSFOS — Weather Service Forecast Offices
• FTE — Full-Time Employee
• LYRS — Layers
• CIG — Ceiling
• MUCAPE — Most Unstable CAPE
• CDM — Collaborative Decision Making
• WSR-57 — A NWS Weather Surveillance Radar designed in 1957
• KOCTY — Smoke Over City
• SUGG — Suggesting
• RTE — Route
• APR — April River Airport, April River, Papua New Guinea
• RESP — Response
• IR — Infrared
• BFR — Before
• SN — Snow
• VIL — Vertically-Integrated Liquid water
• VLCTYS — Velocities
• CU — Cumulus
• WSR-74 — A NWS Weather Surveillance Radar designed in 1974
• CAVU — Ceiling And Visibility Unlimited
• WSWLY — West-Southwesterly
• G — Green
• FY — Fiscal Year
• NEB — Nebraska
• CB — Cumulonimbus
• SLP — Slope

• AUG — August
• ID — Idaho
• RA — Rain
• FROPA — Frontal Passage
• VRISL — Vancouver Island, BC
• FFW — Flash Flood Warning
• PIREP — Pilot (weather) Report
• NCO — NCEP Central Operations
• FA — Area Forecast
• GR — Hail
• NNW — North-Northwest
• ALQDS — All Quadrants
• WSHFTS — Wind Shifts
• IMPT — Important
• DDS — Domestic Data Service
• CRC — Circle
• BM — Benchmarking
• OBSCD — Obscured
• VOR — VHF Omnidirectional Range
• MIN — Minimum
• NC — North Carolina
• BND — Bound
• WB — Westbound
• THRU — Through
• NBAA — National Business Aviation Association, Inc.
• FFS — Flash Flood Statement
• BHND — Behind
• UV — Ultraviolet (Light)
• REPL — Replace
• AC — Altocumulus
• TCU — Towering Cumulus
• OVR — Over
• FAA/ARW — Federal Aviation Administration/Aviation Requirements - Weather Group
• UIR — Upper Flight Information Region
• PRT — Pulse Repetition Time
• FFG — Flash Flood Guidance
• GSA — U.S. General Services Administration
• OTR — Other
• AOB — At or Below
• MOVD — Moved
• AWHPS — Area Wide Hydrologic Prediction System
• CDA — Command and Data Acquisition
• NSSL — National Severe Storms Laboratory
• UCP — Unit Control Position
• ST — Stratus
• NC — National Center
• LTGCG — Lightning Cloud-to-Ground
• NOAA — National Oceanic and Atmospheric Administration (US)
• MAY — May Department Stores Company
• LABRDR — Labrador

• AAAS — American Association for the Advancement of Science
• PC — Personal computer (host)
• CS — Cirrostratus
• AS — Altostratus
• WMC — World Meteorological Center
• SHFT — Shift
• RPRT — Report
• CONTS — Continues
• T — Temperature
• HZ — cycles per second (hertz)
• MST — Mosta
• TAF — Terminal Aerodrome Forecast
• DCP — Data Collection Platform
• TOR — Tornado Warning
• DIST — Distance
• IMC — Instrument Meteorological Conditions
• SMG — Space Flight Meteorology Group
• LGTD — Lighted
• PIXEL — Picture Element
• OBSCG — Obscuring
• PRESFR — Pressure Falling Rapidly
• TDL — Techniques Development Laboratory
• SWE — Snow Water Equivalent
• NLT — Not Later Than
• WUD — Would
• ALERT — Automated Local Evaluation in Real Time
• NOSIG — No Significant Change
• ADDS — Aviation Digital Data Service
• POS — Positive
• MIC — Meteorologist-In-Charge
• ARINC — Aeronautical Radio Incorporated
• BACLIN — Baroclinic
• ACFT — Aircraft
• POSLY — Positively
• MAX — Maximum
• DDS — Data Distribution System
• HWY — Highway
• PM — post meridian
• FC — Funnel Cloud
• NEGLY — Negatively
• EST — Estimate
• PTNL — Potential
• CTGY — Category
• NNICE — Neural Network for Icing
• CLR — Clear
• CC — Cirrocumulus
• MCC — Mesoscale Convective Complex
• EXTRAP — Extrapolate
• ALTHO — Although
• IP — Ice Pellets

• SNR — Signal-to-Noise Ratio
• AVN — Aviation Model
• TNGT — Tonight
• ROFOR — Route Forecast
• OFP — Occluded Frontal Passage
• TKE — Turbulent Kinetic Energy
• BINOVC — Breaks in overcast
• IFR — Instrument Flight Rules
• WS — Wind Shear
• Z — Zulu (Greenwich mean time)
• PUGET — Puget Sound
• RAOBS — Radiosonde Observations
• COMET — Cooperative Program for Operational Meteorology, Education and Training
• NTFYD — Notified
• SMRY — Summary
• ABV — Above
• THRUT — Throughout
• BKN — Broken
• SQ — Squall
• BT — Bathythermograph
• CFO — Communication Filing Officer
• BRN — Bulk Richardson Number
• SPENES — Satellite precipitation estimate statement
• APCHG — Approaching
• GEN — General Motors
• HZ — Haze (METAR Code)
• FZRA — Freezing Rain (METAR Code)
• HI — High
• RSG — Rising
• ADM — Administrative Messages
• ACPT — Accept
• SEWD — Southeastward
• NCAR/RAP — National Center for Atmospheric Research/Research Applications Program
• FAR — False Alarm Ratio
• DFNTLY — Definitely
• SG — Snow Grains (weather reports)
• MNM — Minimum
• SUFLY — Sufficiently
• FZDZ — Freezing Drizzle
• ATTM — At This Time
• SUPSD — Supersede
• C — Celsius
• RMNG — Remaining
• WTSPT — Waterspout
• CHSPK — Chesapeake
• NVA — Negative Vorticity Advection
• LOT — Local Office Team
• UNAVBL — Unavailable
• RVA — River Summary
• TELCON — Telephone Conversation

• ACTV — Active
• VAL — Valley
• AWT — Awaiting Trial
• BCFG — Fog Patches
• GFS — Global Forecast System
• PUP — Principal User Processor (NEXRAD)
• OCS — Oklahoma Climatological Survey
• MLW — Mean Low Water (nautical Charts)
• GV — Ground Visibility
• WAMPS — Weather Automated Mission Planning Software
• SRH — Storm-relative Helicity
• UTC — Coordinated Universal Time
• INP — If Not Possible
• TSFRD — Transferred
• UFN — Until Further Notice
• RHI — Range-Height Indicator
• RVSS — Revises
• VV — Vertical Velocity
• SPKLS — Sprinkles
• RTRNG — Returning
• CUFRA — Cumulus Fractus
• FLUC — fluctuation
• COMPARD — Compared
• RAFS — Regional Analysis and Forecasting System
• STGST — Strongest
• SHWRS — Showers
• DAMBRK — The Dam Break Forecasting Model
• TSB — Technical Support Branch
• BCH — Beach
• EC — Environment Canada
• SDF — Second-Day Feet
• UPS — Uninterruptible Power Supply
• RPTS — Repeats
• RCM — Radar Coded Message
• MVFR — Marginal Visual Flight Rules
• RW — Rain Shower
• KW — Kilowatt (one thousand watts) (measurement)
• WRN — Western
• AVG — Average Voltage Gain
• ISA — International Standard Atmosphere
• SHFTD — Shifted
• VLY — Valley
• INTMT — Intermittent
• SHFTS — Shifts
• BWER — Bounded Weak-Echo Region
• WWD — Westward (weather reports)
• DATACOL — The Software System that supports RFC gateway functions
• CAVOK — conditions
• RSNS — Reasons
• DABRK — Daybreak

• SHUD — should
• TSTMS — Thunderstorms
• GOES — Geostationary Operational Environmental Satellite
• FT — Terminal Forecast
• TF — Terminal Forecast
• MAR — March
• RTRND — Returned
• PTLY — Partly
• SLW — Slow
• MICRO-ART — Microcomputer Automatic Radiotheodolite Master Control Unit
• PRSNT — Present
• INCLS — Includes
• SBLI — Lifted Index calculated using surfaced based parcel
• CIP — Current Icing Potential
• CNTRS — Centers
• DES — Descend
• VLYS — Valleys
• MWO — Meteorological Watch Office
• ADQTLY — Adequately
• TSFRS — Transfers
• SW — South West
• SLD — Solid
• NASA — National Aeronautics and Space Administration (US)
• HJ — Sunrise to sunset
• TRNSP — Transport
• EXER — Exercise
• TOPS — Tops
• SHFTG — Shifting
• PRSTNC — Persistence
• AOB — Aviation Operations Branch
• RSNG — Reasoning
• NSSFC — National Severe Storms Forecast Center
• ZNS — Zones
• THKNG — Thickening
• UVV — Upward Vertical Velocity
• DRFTG — Drifting
• TT — Total Totals
• SHEFPARS — A software decoder for SHEF Data
• AP — Airport
• SLOLY — Slowly
• ADA — Advisory Area
• WIP — Work In Progress (process)
• STF — Stratiform
• CNFDC — Confidence
• HGT — Height
• ACC — Area Control Center
• SRN — Southern
• SBCAPE — CAPE calculated using a Surface based parcel
• WMO — World Meteorological Organization (ICSU)
• PNHDL — Panhandle

• GEMPAK — General Environmental Meteorological Package
• MDFY — Modify
• TACMET-MOD — Tactical Meteorological Observing System Modification
• DTRTD — Deteriorated
• SE — Southeast
• RQRS — Requires
• BLM — Bureau of Land Management of United States Department of the Interior
• SPECI — Aviation selected special weather report
• ZN — Zone
• RTD — Delayed
• CNCLD — Canceled
• OAC — Oceanic Area Control Center
• LTGCC — Lightning Cloud-to-Cloud
• RLTVLY — Relatively
• CPBL — Capable
• RTRNS — Returns
• NAT — North Atlantic
• IATA — International Air Transport Association
• SMPDBK — The Simplified Dam Break Model
• FCSTD — Forecasted
• SD — Storm Data
• DVRG — Diverge
• SNFLK — Snow flake
• OFC — Office
• RCMDG — Recommending
• SRNDG — Surrounding
• QPFHSD — Ncep Heavy Snow Discussion
• TSFRG — Transferring
• FCST — Forecast
• STBLTY — Stability
• EV — every
• MDS — Minimum Discernible Signal
• HSF — High Seas Forecasts
• THR — Threshold
• DMSHG — Diminishing
• BLDS — Builds
• PRSNTLY — Presently
• RVF — River Forecast
• NEG — NEGative
• SM — Statute Mile
• RCMDD — Recommended
• PRSTNT — Persistent
• OTRW — Otherwise
• RVS — Revise
• ROC — Rate of Climb
• INS — Inertial Navigation System
• SHRTWVS — Shortwaves
• SNGL — Single
• AZ — Arizona
• INTSFYG — Intensifying

• THKR — Thicker
• SGFNTLY — Significantly
• APRXLY — Approximately
• DVV — Downward Vertical Velocity
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• INVOF — In vicinity of
• QG — An abbreviation for quasigeostrophic
• RPDLY — Rapidly
• SAW — Preliminary Notification of Forthcoming Watch
• USGS — United States Geological Survey (DOI)
• MORENET — Missouri Research & Education Network
• CAT — Category (e.g. CAT-5 cable)
• UPDFTS — Updrafts
• AIRMET — AIRman's METeorological Information
• TROFS — Troughs
• COND — Conditions
• CONS — Continuous
• HVYST — Heaviest
• RVS — River Statement
• ESPINIT — ESP Initialization Program
• RAM — Regional Area Meteorologist
• PSBLTY — Possibility
• ABNML — Abnormal
• ARPT — Airport
• LONGL — Longitudinal
• INTL — International
• ADRNDCK — Adirondack
• FD — Winds and Temperatures Aloft Forecasts
• TIP — Until past
• CLEGLFGLS — Great Lakes Marine Synopsis
• CSW — Committee for Space Weather
• PROGD — Forecasted
• NELY — Northeasterly
• AHOS-S — Automatic Hydrologic Observing System - Satellite
• FAM — Familiar
• CANAM — Canadian/American
• OSO — Office of Systems Operations
• SPRDG — Spreading
• LTGCCCG — Lightning cloud-to-cloud cloud-to-ground
• XBT — expendable bathythermograph (oceanography)
• PRECD — Precede
• MNT — Monitor
• ADQT — Adequate
• AFDK — After Dark
• INC — in cloud
• SBSDD — Subsided
• SUP — Supply
• RCRDS — Records
• AFCTG — Affecting
• ALSTG — Altimeter Setting

• SWEAT INDEX — Severe WEAther Threat Index
• TEMP — Temperature
• PRECDG — Preceding
• DFNT — Definite
• SWODY1 — Day 1 Convective Outlook
• AGRMT — Agreement
• THK — Thick
• SWODY2 — Day 2 Convective Outlook
• TRPCD — Tropical Continental
• DCS — Data Collection System (NOAA Polar Orbiting Satellites)
• CNTRD — Centered
• KMH — Kilometers per hour
• RIOGD — Rio Grande
• LST — Local Standard Time
• RCKYS — Rockies
• OM — Office of Meteorology
• INCL — Include
• VA — Virginia Ash
• ASSOCN — Association
• HAZ — Hazard
• SRNDD — Surrounded
• SHRTWV — Shortwave
• SNOINCRG — Snow increasing
• KPA — kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
• SRNDS — Surrounds
• ECMWF — European Center for Medium-Range Weather Forecasting model
• PSBLY — Possibly
• AFOS — Automation of Field Operations and Services
• CRCLC — Circulate
• PRECDS — Precedes
• AVBL — available
• NOPAC — Northern Pacific
• BNDRYS — Boundaries
• TNTVLY — Tentatively
• UNSTLD — Unsettled
• BRKG — Breaking
• HTC — The Hydrometeorological Training Council
• RS — Receiver station
• AHOS-T — Automatic Hydrologic Observing System - Telephone
• MEX — Mexico
• BRKHIC — Breaks in higher clouds
• DMSHS — Diminishes
• NSW — Nil Significant Weather
• SUBTRPCL — Subtropical
• IAO — In And Out
• GA — Georgia
• FCSTR — Forecaster
• DIR — Directory
• IC — Ice Crystals
• SLD — Supercooled Large Drops

• MAP — Mean Areal Precipitation
• LN — Line
• OUBD — Outbound
• VOR — VHF Omnidirectional Radio Range
• DVRGG — Diverging
• CLEGLOCLE — Great Lakes Storm Outlook
• DSF — Day-Second Feet
• SWOMCD — SELS Mesoscale Discussion
• APRX — Approximate
• BLKT — Blanket
• ACTVTY — Activity
• OTLK — Outlook
• NAV — Navigator
• DAPM — The Data Acquisition Program Manager
• VMC — visual meteorological conditions
• ENHNC — Enhance
• ESELY — East-southeasterly
• RTA — Remote to AFOS
• THKNS — Thickness
• ALGHNY — Allegheny
• CNL — Cancel
• CNVGG — Converging
• PAC — Pacific Region
• BLSN — Blowing Snow (METAR Code)
• MDFYD — Modified
• EFF — Experimental Forecast Facility
• GOES — Geostationary Orbiting Environmental Satellite
• BLO — Below
• UPS — United Parcel Service, Inc.
• CNCLS — Cancels
• INPR — in progress
• SPLNS — Southern Plains
• CLEGLSCLE — Great Lakes Storm Summary
• WTR — Water
• ASSOCD — Associated
• PRODG — Producing
• DSTC — Distance
• ITCZ — Intertropical Convergence Zone (of Seawater)
• CSTAR — Collaborative Science, Technology and Applied Research
• ADVNG — Advancing
• APPRG — Appearing
• KT — Knots
• TRMM — Tropical Rainfall Measuring Mission (US-Japan)
• CLEICEFBO — Great Lakes Ice Outlook for the Opening of Navigation
• TAFB — Tropical Analysis and Forecast Branch
• YKN — Yukon
• SEP — September
• CLEICEIO — Great Lakes 5-Day Ice Outlook
• DEP — Depart
• THNG — Thinning

• PRECDD — Preceded
• DISRED — Disregarded
• RECON — Reconnaissance
• NOHRSC — The National Operational Hydrologic Remote Sensing Center
• HRL — The Hydrological Research Laboratory
• ADVCTD — Advected
• IMPLS — Impulses
• COMPAR — Compare
• TMPRYLY — Temporarily
• F — Degrees Fahrenheit
• GRID — Processed meteorological data in the form of grid point values
• NMC — National Meteorological Center (US)
• NRN — Northern
• KLYR — Smoke Layer Aloft
• CCL — Convective Condensation Level
• STFRM — Stratiform
• COMPARS — Compares
• FNTL — Frontal
• SNBNK — Snow bank
• RGN — Region
• DSIPTG — Dissipating
• ATCSCC — Air Traffic Control System Command Center
• M — Mesocyclone
• CNCL — Cancel
• ADVYS — Advisories
• INCRGLY — Increasingly
• GMDSS — Global Maritime Distress and Safety System (IMO)
• SBSD — Subside
• FCSTG — Forecasting
• FVRBL — Favorable
• DWOPER — Dynamic Wave Routing Model
• UNKN — Unknown
• MOVG — Moving
• SPCLY — Especially
• DPND — Deepened
• NNELY — North-northeasterly
• DVLPD — Developed
• CONTRAILS — Condensation Trails
• EXTRAPD — Extrapolated
• HIFOR — High Level Forecast
• BDRY — Boundary
• BLKTG — Blanketing
• ENHNCMNT — Enhancement
• CDFNTL — Cold frontal
• LIFR — Low Instrument Flight Rules
• AMPLTD — Amplitude
• FLRYS — Flurries
• BLKTS — Blankets
• CNTR — Center
• MRGLLY — Marginally

• EXCLVLY — Exclusively
• EL — Equilibrium Level
• DMNT — Dominant
• AOPA — Aircraft Owners and Pilots Association
• NCAR — National Center for Atmospheric Research (US)
• ADVCTG — Advecting
• STGLY — Strongly
• INSTF — Intensify
• SHRTLY — Shortly
• NTFY — Notify
• APLCNS — Appalachians
• ANLYS — Analysis
• NCWX — No Change in Weather
• KMARD — Kansas Modernization and Restructuring Demonstration
• BRKSHRS — Berkshires
• DSIPTN — Dissipation
• VER — Vertical
• OCNLY — Occasionally
• DBL — Double
• BCKG — Backing
• SATFY — Satisfactory
• MOVMT — Movement
• ERN — Eastern
• ET — Electronic Technician
• ETD — Estimated Time of Departure
• JUN — June
• YR — Your
• CNCLG — Cancelling
• DIGG — Digging
• LFTG — Lifting
• XNG — Crossing
• BLZD — Blizzard
• PRVDD — Provided
• EXCLV — Exclusive
• CRCLN — Circulation
• ACLTG — Accelerating
• ASOS — Automated Surface Observing System
• ASC — Ascent to
• ACLTS — Accelerates
• NAP — NCEP Advisory Panel
• CAEM — Commission for Aeronautical Meteorology (WMO)
• ACCAS — Altocumulus Castellanus
• CLEICEFBO — Great Lakes Freeze-Up Outlook
• DWNDFTS — Downdrafts
• WFP — Warm Front Passage
• LLJ — Low Level Jet stream
• MB — Millibar(s)
• DLT — Delete
• LRG — Large
• SFERICS — Atmospherics

• CDFNT — Cold Front
• AFCTD — Affected
• INCRS — Increases
• PEN — Peninsula
• WIBIS — Will Be Issued
• NW — North West
• OCLN — Occlusion
• AFTN — Air Force Television Network
• APRNTLY — Apparently
• VRB — Variable
• NNWLY — North-northwesterly
• LK — Lake
• CNVGNC — Convergence
• OFF — Offshore Forecast
• MDFYG — Modifying
• HDG — Heading
• IFLOWS — The Integrated Flood Observing and Warning System
• LLWAS — Low Level Wind Shear Alert System
• IMDTLY — Immediately
• THSD — Thousand
• DLY — Daily
• DNSTRM — Downstream
• STN — Station
• VSBY — Visibility
• DSTBLZD — Destabilized
• OUTFLO — Outflow
• SVG — Serving
• APCHS — Approaches
• WA — Western Approaches
• PROD — Produce
• ENELY — East-northeasterly
• EXPCD — Expected
• HRS — Hours
• DSTBLZG — Destabilizing
• PL — Ice Pellets or Sleet
• APLCN — Appalachian
• MLOS — Microwave Line-Of-Site
• OBS — Observe
• JUL — July
• ESA — Electronic Systems Analyst
• ACCUM — Accumulate
• SR — Sunrise
• INTRP — Interrupt
• FRZG — Freezing
• FOS — FAMILY OF SERVICES
• UDDF — Up and Down Drafts
• GRTST — Greatest
• DE — DELAWARE
• DNDFTS — Downdrafts
• NEXRAD — NEXt generation of weather RADar

• DTRTG — Deteriorating
• ENHNCD — Enhanced
• I — See inphase
• DSIPTS — Dissipates
• COE — Creek Corps of Engineers
• LONG — Longitude
• FCSTS — Forecasts
• LTGIC — Lightning in Cloud
• LCTMP — Little change in temperature
• DWPNTS — Dewpoints
• GSTS — Gusts
• CCSL — Cirrocumulus Standing Lenticular
• INDCD — Indicated
• AFWA — Air Force Weather Agency
• ALUTN — Aleutian
• TYPH — Typhoon
• DVLPG — Developing
• LEVEL — Level
• FST — First
• AC — Anticipated Convection Outlook
• ACYC — Anticyclone
• MOVS — Moves
• EVAD — Extended Velocity
• PRES — Pressure
• NHC — United States National Hurricane Center
• CNVTVLY — Convectively
• ONSHR — Onshore
• INTSTY — Intensity
• DVLPS — Develops
• ART — Automatic Radio Theodolite Master Control Unit As
• BECMG — Becoming
• ELNGTD — Elongated
• ACLTD — Accelerated
• SEQ — Sequence
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• PGTSND — Puget Sound
• ASAPTRAN — The software component of ASA
• KS — Kansas
• ER — Here
• INCLG — Including
• AAA — Amended meteorological message
• TDWR — Terminal Doppler Weather Radar
• FQTLY — Frequently
• PRBL — Probable
• WEF — With Effect From
• ERYR — Earlier
• FORNN — Forenoon
• MULTILVL — Multi-level
• EXPCG — Expecting
• DSIPTD — Dissipated

• CTWFC — CINC Target Weather Forecast Center
• DVRGS — Diverges
• DGNLLY — Diagonally
• HVYR — Heavier
• CNVTV — Convective
• INCRG — Increasing
• EXTDD — Extended
• NERN — Northeastern
• HDSVLY — Hudson Valley
• DISCD — Discontinued
• EXTDG — Extending
• LLWS — Low Level Wind Shear
• INTSFCN — Intensification
• APRNT — Apparent
• BLSA — Blowing Sand (METAR Code)
• FRQ — Frequent
• ABNDT — Abundant
• EXC — Except
• SEPN — Separation
• TX — TEXAS
• EXTDS — Extends
• DEG — Degree
• NCEP — National Centers For Environmental Prediction (form. NMC; NWS Center)
• AZM — Azimuth
• GENLY — Generally
• XTRM — Extreme
• ATLC — Atlantic
• ENHNCG — Enhancing
• OVNGT — Overnight
• DSNDG — Descending
• CADAS — Centralized Automated Data Acquisition System
• FILG — Filling
• DCRGLY — Decreasingly
• HDRAIN — An Hourly Digital Rainfall Product of the WSR-88D
• DISREG — Disregarding
• EHI — Energy Helicity Index
• EXTRMLY — Extremely
• DSTBLZ — Destabilize
• ENRT — En Route
• FLW — Follow
• ACSL — Altocumulus Standing Lenticular
• ADDN — Addition
• DRFTS — Drifts
• INDCS — Indicates
• LRGLY — Largely
• FIR — Flight Information Region
• QBI — Compulsory IFR flight
• DFCLTY — Difficulty
• AWSS — Aviation Weather Sensor System
• DMSHD — Diminished

• LTGCW — Lightning Cloud-to-Water
• COMPARG — Comparing
• DVRGNC — Divergence
• GRTLY — Greatly
• RMNDR — Remainder
• ENERN — East-northeastern
• VFY — Verify
• CNTRLN — Centerline
• NWSRFS V5.0 — National Weather Service River Forecast Model Version 5
• NE — North-East
• DSTBLZN — Destabilization
• EPV — Equivalent Potential Vorticity
• T — Thunder
• UAB — Until Advised By
• FRST — Frost
• DMSH — Diminish
• ENEWD — East-northeastward
• MNLND — Mainland
• CAFTI — Committee on Analysis and Forecast Techniques Implementation
• TR — Track
• PS — Plus
• PRBLY — Probably
• SQAL — Squall
• FREQ — Frequency
• CNTYS — Counties
• STLT — Satellite
• ROML — Regional Operations Manual Letter
• FEB — February
• AVARS — Aircraft Vertical Acceleration Reporting System
• FPO — Flood Potential Outlook
• XPLOS — Explosive
• GS — Small hail and snow pellets
• DISCG — Discontinuing
• UCAR — University Corporation for Atmospheric Research
• LGT — Light
• OTW — Owning The Weather
• INTSFYD — Intensified
• LAM — Logical acknowledgment
• ID — IDentifier
• DRFTD — Drifted
• BRG — Branching
• THDR — Thunder
• GFDL — Geophysical Fluid Dynamics Laboratory (NOAA US)
• AMIS — Automated Meteorological Information System
• CISK — Conditional Instability of the Second Kind
• COV — Cover
• GRDLY — Gradually
• ENHNCS — Enhances
• EXTSV — Extensive
• LTST — Latest

• SARPS — Standards and Recommended Practices
• LGRNG — Long Range
• METOC — Meteorological and Oceanographic
• PUP — Principle User Processor
• LTD — Limited
• NH — New Hampshire
• LRGST — Largest
• NFDRS — National Fire Danger Rating System
• NRCS — Natural Resources Conservation Service
• WY — Wyoming
• BLDUP — Buildup
• ADVIS — Headwater Advisory Program
• ROBEX — Regional OPMET bulletin exchange
• SYNS — Synopsis
• INTMTLY — Intermittently
• FCEXEC — A component of the NWSRFS FCST Program
• VISSR — visible and infrared spin scan radiometer (GOES)
• DSTBLZS — Destabilizes
• IOS — Integrated Operational Services
• GRTR — Greater
• ASB — Aviation Support Branch
• SUPSDS — Supersedes
• DEGS — Degrees
• QFE — Atmospheric Pressure At Aerodrome Elevation
• MIDN — Midnight
• SPC — Storm Prediction Center
• RUC — Rapid Update Cycle
• CONTLY — Continually
• LMTG — Limiting
• PSG — Passing
• AWN — Automated Weather Network
• WAA — Warm Air Advection
• VRY — Very
• OAT — Outside Air Temperature
• DISRE — Disregard
• IMT — immediate
• INTSFYS — Intensifies
• MLLW — Mean Lower Low Water (nautical Charts)
• INDCG — Indicating
• PPI — Plane Position Indicator
• CDB — Computing Development Branch
• MDTLY — Moderately
• RAOB — Radiosonde Observation
• WSHFT — Wind Shift
• ANBURS — Alphanumeric Backup Replacement System
• OK — Oklahoma
• DPTH — Depth
• CAA — Cold Air Advection
• AOML — Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
• AGFS — Aviation Gridded Forecast System

• DIFAX — Digital Facsimile
• PRST — Persist
• OSV — Ocean Station Vessel
• BAJA — Baja California
• LGWV — Long Wave
• NLY — Northerly
• DBNET — Distributed Brokered Networking
• NEW ENG — New England
• RE — Recent
• AMD — amend
• EXTRM — Extreme
• EAA — Experiment Aircraft Association
• DRG — During
• NNE — North-North-East
• SWPC — Space Weather Prediction Center
• ERL — Environmental Research Laboratories (absorbed By OAR Or NOAA Research)
• LEWP — Line Echo Wave Pattern
• AWDS — Automated Weather Distribution System
• DNR — Department of Natural Resources
• ICGIP — Icing in Precipitation
• EMC — Environmental Modeling Center
• POSS — Possible
• MHKVLY — Mohawk Valley
• CLRG — Clearing
• DNSLP — Downslope
• KBDI — Keetch-Byram Drought Index
• VRT MOTN — Vertical Motion
• RDR — Radar
• CRNR — Corner
• CIN — Convective Inhibition
• OCFNT — Occluded Front
• SMWHT — Somewhat
• NLDN — National Lightning Detection Network
• WTU — Weather Technology Unit
• CMPLX — Complex
• SASK — Saskatchewan
• SHSN — Snow Showers (METAR Code)
• SHWR — Shower
• DIV — Divert
• WEFAX — Weather Facsimile
• SXN — Section
• PTCHY — Patchy
• WND — Windsor
• MST — Meteorological Support Teams
• FNTS — Fronts
• BASE — Cloud base
• MDCRS — Meteorological Data Communications and Reporting System
• ADVY — Advisory
• ICG — Icing
• NCDC — National Climatic Data Center

• RL — Report Leaving
• MLLI — Mean Layer Lifted Index
• LV — Leaving
• LDG — Landing (aviation)
• ACLT — Accelerate
• ET — Echo Tops
• MAN — Manitoba
• FPM — Feet Per Minute
• COOR — Co-ordinate
• LVLS — Levels
• MT — Montana
• AIV — Aviation Impact Variable
• SAWRS — Supplementary Aviation Weather Reporting Station
• LPATS — Lightning Position And Tracking System
• EPRI — Electric Power Research Institute (US)
• VLNT — Violent
• RPRTD — Reported
• ELSW — Elsewhere
• BRM — Barometer
• LLP — Lightning Location and Protection, Inc
• AGN — Again
• AMPG — Amplifying
• SELY — Southeasterly
• USBR — US Bureau of Reclamation
• ISOL — Isolate
• AGRS — Agrees
• CPC — Climate Prediction Center (NWS Center)
• FLG — Flashing
• SSE — South-Southeast
• VAS — VISSR Atmospheric Sounder
• INSTL — Install
• VIS — Visible
• ADL — Additional
• EUMETSAT — European Organization for the Exploitation of Meteorological Satellites
• PARL — Parallel
• CAWIS — Committee for Automated Weather Information Systems
• TSNT — Transient
• PRVDS — Provides
• RPT — Repeat
• FSL — Forecast Systems Laboratory (a NOAA ERL)
• DVLPMT — Development
• REQ — Request
• PIREP — Pilot Report
• ZR — Freezing Rain
• VIL — Vertically Integrated Liquid
• BLW — Below
• ULJ — Upper-Level Jet
• FRMG — Forming
• AMOS — Automated Meteorological Observing System
• SUG — Suggest

• HSA — Hydrologic Service Area
• EXTN — Extension
• RQRG — Requiring
• RDC — Reduce
• APSG — After passing
• VRBL — Variable
• FRZN — Frozen
• BRF — Brief
• FIC — Flight Information Center
• RR — Report Reaching
• VCTR — Vector
• RMK — Remark
• AMDG — Amending
• PRI — Primary
• PSND — Positioned
• INVRN — Inversion
• SERN — Southeastern
• ZE — Equivalent Radar Reflectivity
• WFO — Weather Forecast Office
• STDY — Steady
• INTCNTL — Intercontinental
• JMA — Japanese Meteorological Agency
• TWIP — Terminal Weather Information for Pilots
• SXNS — Sections
• QUAD — Quadrant
• USMC — United States Marine Corporation
• MDLS — Models
• OVC — Overcast (METAR Code)
• SIERNEV — Sierra Nevada
• VVP — Volume Velocity Processing
• ADVCT — Advect
• MC — Meteorological Codes
• RTN — Return
• SUPS — Supplies
• SPDS — Speeds
• NCWF — National Convective Weather Forecast
• JAN — January
• HVY — Heavy
• ALTM — Altimeter
• PRIN — Principal
• RQR — Require
• PROC — Procedure
• ACCID — Notification of an aircraft accident
• NWLY — Northwesterly
• ESEWD — East-Southeastward
• GAMA — General Aviation Manufacturers Association's
• MTN — Mountain
• HPD — Hourly Precipitation Data
• MAREP — Marine Reporting Program
• IMPR — Improve

• RCH — Reach
• WCM — Warning Coordination Meteorologist
• HN — Sunset to sunrise
• SSWWD — South-Southwestward
• BYD — Beyond
• METAR — Meteorological Terminal Aviation Routine Weather Report
• USWB — United States Weather Bureau
• OHD — Overhead
• FZ — Freezing
• DSND — Descend
• OBST — Obstacle
• AOA — At or Above
• RE — Regard
• ADZ — Advise
• CFP — Cold Front Passage
• MOD — moderate dysplasia
• WK — Weak
• VFYD — Verified
• CCLKWS — Counter-Clockwise
• ATDTDCS — Automated Tone Dial Telephone Data Collection System
• CSI — Conditional Symmetric Instability
• AFCT — affect
• TCNTL — Transcontinental
• PRESRR — Pressure Rising Rapidly
• ETA — Greek letter, describes a constant height coordinate model system
• NWP — Numerical Weather Prediction
• RAFC — Regional Area Forecast Center
• EMBD — Embedded in a layer
• ELEV — Elevator
• COT — At the Coast
• OVRN — Overrun
• SPD — Speed
• HWVR — However
• SP — Snow Pellets
• NMBR — Number
• CVRG — Covering
• RGL — Regional Model
• WDSPR — Widespread
• AWC — Aviation Weather Center
• IPV — Improve
• NBND — Northbound
• STAGN — Stagnation
• ESERN — East-Southeastern
• CHGD — Changed
• CGEN — Convective Sigmet Generation
• BLKHLS — Black Hills
• WADL — West African Disturbance Line
• DMGD — Damaged
• CNDN — Canadian
• AMS — American Meteorology Society

• RPLCD — Replaced
• PCPN — Precipitation
• CHGS — Changes
• ARTYMET — Artillery Meteorological
• OPN — Open
• GAI — Global Atmospherics Inc
• SGFNT — Significant
• SMTM — Sometime
• SWO — Staff Weather Officers
• VCNTY — Vicinity
• RPLCG — Replacing
• SUPG — Supplying
• BLD — Build
• FEW — Few
• LOC — Local
• DFUS — Diffuse
• REQSTD — Requested
• REPLG — Replacing
• MDL — Model
• NML — Normal
• CASCDS — Cascades
• OCRD — Occurred
• ADVCTN — Advection
• RPLCS — Replaces
• LKLY — Likely
• WMSCR — Weather Message Switching Center Replacement
• CASC — Central Administrative Support Center
• U/S — Unserviceable
• MEGG — Merging
• HDWND — Head Wind
• IOVC — In Overcast
• REPLS — Replaces
• WVS — Waves
• ATAD — Automated Telephone Answering Device
• TROP — Tropopause
• SCTR — Sector
• OCLDD — Occluded
• GLFALSK — Gulf of Alaska
• TRML — Terminal
• CLDS — Clouds
• SST — Sea surface temperature
• MARD — Modernization and Restructuring Demonstration
• RFD — Rear Flank Downdraft
• NAVPACMETOCCEN — Naval Pacific Meteorology and Oceanography Center, Pearl Harbor, Hawaii
• INTST — Intensity
• CUF — Cumuliform
• API — Antecedent Precipitation Index
• TSFR — Transfer
• CYC — Cyclonic
• DFRS — Differs

• INOP — Inoperative
• ATWIS — Advanced Transportation Weather Information System
• LTG — Lightning
• VFYG — Verifying
• WKEND — Weekend
• BGN — Begin
• SAP — As soon as possible
• ARCUS — Arc Cloud
• VFYS — Verifies
• LKS — Lakes
• SKC — Sky Clear
• LMTS — Limits
• NADIN — National Airspace Data Interchange Network
• ENDG — ending
• UNSTBL — Unstable
• PRVDG — Providing
• ISOLD — Isolated
• DRFT — Drift
• ASC — Aviation Services Coordinator
• PROGS — Forecasts
• LCTD — Located
• ADVN — Advance
• NMBRS — Numbers
• FRM — Form
• CHGG — Changing
• REPLD — Replaced
• HLYR — Haze Layer Aloft
• COM — Communications Society
• ASH — Assistant Service Hydrologist
• EXTD — Extend
• UVVS — Upward Vertical Velocities
• CARIB — Caribbean
• SHARP — Skew-T Hodograph Analysis and Research Program
• SLGT — Slight
• STNS — Stations
• CLA — Clear type of ice formation
• SIGMET — Significant Meteorlogical Information
• NMOC — National Meteorological Operations Centre
• INTRMTRGN — Intermountain Region
• NR — Number
• TVS — Tornado Vortex Signature
• RPTG — Repeating
• TRMTD — Terminated
• ICGIC — Icing in Clouds
• NATA — National Air Transportation Assoc.
• EB — Eastbound
• FCMSSR — Federal Committee for Meteorological Services and Supporting Research
• ARFOR — Area Forecast
• BNTH — Beneath
• WKN — Weaken

• WED — Wednesday
• NFLD — Newfoundland
• RDVLP — Redevelop
• CIGS — Ceilings
• BNDRY — Boundary
• ITWS — Integrated Terminal Weather System
• WIST — Weather Information for Surface Transportation
• NWRN — Northwestern
• SLT — Sleet
• MS — Minus
• RPLC — Replace
• GLFCAL — Gulf of California
• SS — Sunset
• PQPF — probabilistic quantitative precipitation forecast
• LYRD — Layered
• SLY — Southerly
• TPC — Tropical Prediction Center
• BRKSHR — Berkshire
• CVRD — Covered
• AAWU — Alaskan Aviation Weather Unit
• SSWLY — South-Southwesterly
• AGRD — Agreed
• RSTRG — Restricting
• GLFMEX — Gulf of Mexico
• MCIDAS — Man-computer Interactive Data Access System
• NAWAU — National Aviation Weather Advisory Unit
• DTRT — Deteriorate
• LWRD — Lowered
• INSTBY — Instability
• BGNG — Beginning
• CLKWS — Clockwise
• PVLG — Prevailing
• WLY — Westerly
• WRNG — Warning
• LWRG — Lowering
• UVM — Upward Vertical Motion
• BGNS — Begins
• WAFC — World Area Forecast Center
• STFR — Stratus Fractus
• NWWS — NOAA Weather Wire System
• MAY — Mayaro
• GRTLKS — Great Lakes
• APCH — approach
• DOM — Domestic
• GEOREF — Geographical reference
• VLNTLY — Violently
• NCDB — NCEP Computer Development Branch
• LGTR — Lighter
• CTSKLS — Catskills
• RCHD — Reached

• SKED — Schedule
• MLCAPE — Mean Layer CAPE
• APPR — Appear
• LDADS — Local Data Acquisition and Dissemination System
• TSSN — Thundersnow
• GRDL — Gradual
• WDI — Wind Direction Indicator
• SUPR — Superior
• VORT — Vorticity
• ETA — estimating arrival
• NAB — Not Above
• SAOS — Surface Observations
• AFW — Air Force Weather
• BDA — Bermuda Island
• DSNT — Distant
• HEL — Helicopter
• NNWWD — North-Northwestward
• ATMU — AIR TRANSPORTABLE MOBILE UNIT
• DELMARVA — Delaware-Maryland-Virginia
• EWD — Eastward
• PE — Ice pellets
• CBMAM — Cumulonimbus Mammatus
• INCRD — Increased
• BFDK — Before Dark
• PO — Dust devils
• MSTLY — Mostly
• SCA — Small Craft Advisory
• ESTAB — Establish
• CSTL — Coastal
• DZ — Drizzle
• CNTY — County
• EPSCOR — Experimental Program for the Stimulation of Competitive Research
• TROF — Trough
• AFT — Afternoon
• FG — Fog Gun
• SB — Southbound
• PHYS — Physical
• BCMG — Becoming
• INTVL — Interval
• REQS — Requests
• FNCTN — Function
• RSTRD — Restricted
• SHRT — Short
• NEXRAD — Next-Generation Weather Radar (NWS)
• DP — Deep
• INCR — Increase
• IFFDP — International Flight Folder Documentation Program
• CRP — Critical Rainfall Probability
• NAVTEX — Navigational Telex
• PRVD — Provide

• TSTM — Thunderstorm
• FRZ — Freeze
• RGD — Ragged
• WID — Width
• AWOS — Automated Weather Observation System
• ERY — Early
• AFWIN — Air Force Weather Information Network
• LYR — Layer
• SSERN — South-Southeastern
• SUF — Sufficient
• NAMIS — NATO Automated Meteorological Information System
• ELNGT — Elongate
• DIF — Diffuse
• RPD — Rapid
• AMP — Amplify
• INLD — Inland
• CEM — Civil Emergency Message
• FLWG — Following
• SCNDRY — SECONDARY
• SBND — South bound
• CNTRL — Central
• SPOT — Spot Wind
• RCVG — Receiving
• OBSC — Obscure
• RHINO — RHI not operative
• BTL — Between layers
• OVTK — Overtake
• RUFLY — Roughly
• DGNL — Diagonal
• DSIPT — Dissipate
• TFU — Theater Forecast Unit
• ADVCTS — Advects
• ARR — Arrive
• FQT — Frequent
• NSC — Nil Significant Cloud
• ALF — Aloft
• WND — Wind
• IMPL — Impulse
• DSCNT — Descent
• UPR — Upper
• FG — Foggia
• NMRS — Numerous
• PLNS — Plains
• ADVS — Advisory Service
• NCCF — NOAA Central Computer Facility
• ENSO — El Niño and Southern Oscilation
• ISCS — International Satellite Communications System
• GEO — Geographic
• SEL — Severe Thunderstorm Watch, Tornado Watch
• UNUSBL — Unusable

• RCRD — Record
• WIDA — Weather Impact Decision Aids
• KFRST — Killing Frost
• DURN — Duration
• QTP — Quality Through Partnership
• DLTG — Deleting
• NEXRAD — Next Generation Weather Radar
• DFCLT — Difficult
• TOFS — Tactical Observing & Forecasting System
• MNLY — Mainly
• R — Reduction
• DPNG — Deepening
• NAOS — North American Atmospheric Observing System
• ACRS — Across
• FVT — Forecast Verification Tool
• MPL — Max Parcel Level
• OCRS — Occurs
• SAMEX — Storm and Mesoscale Ensemble Experiment
• STNRY — Stationary
• WKNG — Weakening
• FLN — National Flood Summary
• YLSTN — Yellowstone
• DISC — Discontinue
• THU — Thursday
• TAWS — Tactical Acquisition Weather Software
• LAN — Inland
• SAO — Surface observation
• MULI — Most Unstable Lifted Index
• THNST — Thinnest
• PROB — probability
• CLRS — Clears
• RWY — Runway
• RMN — Remain
• HADS — Hydrometeorological Automated Data System
• SUN — Sunday
• BRS — Branches
• EXP — Expect
• GF — Ground Fog
• FDR — Fire Danger Rating
• RTVS — Real Time Verification System
• DRZL — Drizzle
• NB — NorthBound
• SHEF — Standard Hydrologic Exchange Format
• DCRG — Decreasing
• OU — University of Oklahoma
• SLO — Slow
• HURCN — Hurricane
• INTMD — Intermediate
• NIL — None
• MCIDAS — Man Computer Interactive Data Acquisition System

• HYR — Higher
• FAH — Fahrenheit
• BAMS — Bulletin of the American Meteorological Society
• HCVIS — High Clouds Visible
• PC-GRIDDS — Pc-Gridded Interactive Display and Diagnostic System
• NGM — Nested Grid Model
• MESO — Mesoscale Convective Unit
• DWPNT — Dewpoint
• RMNS — Remains
• WSFO — Weather Service Forecast Office
• MDS — Meteorological Distribution System
• NWP — Numerical Weather Predication
• XPC — Expect
• RES — Reserve
• ROTD — Rotated
• PDS — Periods
• CBOFS — Chesapeake Bay Oceanographic Forecasting System
• QUE — Quebec
• SNST — Sunset
• PNS — Public Information Statement
• MON — Monday
• LMTD — Limited
• TRMT — Terminate
• UNRELBL — Unreliable
• WARP — Weather and Radar Processor
• JCTN — Junction
• PROG — Forecast
• BRKS — Breaks
• OCLD — Occlude
• MULT — Multiple
• BD — Blowing Dust
• AFT — After
• GNDFG — Ground Fog
• FFA — Flood
• RCS — Reflectivity Cross Section
• CLDNS — Cloudiness
• PDMT — Predominant
• TIL — Until
• LN — Line Network
• UNRSTD — Unrestricted
• WIMS — Weather Information Management System
• XTRMLY — Extremely
• YDA — Yesterday
• SUB — Substitute
• FRWF — Forecast Wind Factor
• MMS — METEOROLOGICAL MEASURING SYSTEM
• VWP — Velocity Azimuth Display Wind Profile
• CONTDVD — Continental Divide
• SWB — South-Westbound
• FNT — Front

• IMDT — Immediate
• NBRHD — Neighborhood
• GOM — Global Ocean Model
• SCND — Second
• ESNTL — Essential
• CNVG — Converge
• BPAA — Business Pilots Aircraft Association
• ACARS — ARINC Communications Addressing and Reporting System
• HPC — Weather Prediction Center
• WL — will
• DMGG — Damaging
• TURBC — Turbulence
• PRJMP — Pressure Jump
• LO — Low
• XS — Atmospherics
• OHP — One-Hour Rainfall Rate
• CG — Cloud-Ground Lightning
• CS — Combined Shear
• MLTLVL — Melting Level
• ETC — Echo Tops Contour
• SPRD — Spread
• ROTG — Rotating
• RPRTG — Reporting
• DCRD — Decreased
• NAWPC — National Aviation Weather Program Council
• IDS — International Data Service
• CHCS — Chances
• MOV — Move
• RADAT — RADiosonde Observation Data
• SEV — Severe
• DNS — Dense
• SMTH — Smooth
• MRGL — Marginal
• ARND — Around
• DLA — Delay
• HLTP — Hilltop
• OCWWS — Office of Climate, Water and Weather Services
• ESTS — Estimates
• RPRTS — Reports
• WDSPRD — Widespread
• FRI — Friday
• SC — Stratocumulus (cloud formation)
• DKTS — Dakotas
• SCT — Scattered
• OVTKG — Overtaking
• RSN — Reason
• DCR — Decrease
• ARSI — Atmospheric Research System, Inc.
• WETM — Weather Team
• THTNS — Threatens

• FFA — Flood Frequency Analyses
• IWRS — Improved Weather Reconnaissance System
• WAFS — World Area Forecast System
• SSWRN — South-Southwestern
• OFSHR — Offshore
• ESS — Water Supply Outlook Product
• ASIST — Aviation Safety Investment Strategy Team
• STGR — Stronger
• PCD — Proceed
• FROSFC — Frontal Surface
• CAPPI — CONSTANT ALTITUDE PPI
• SRND — Surround
• AHD — Ahead
• GSTY — Gusty
• HUD — Housing and Urban Development, U.S. Department of
• PRSTS — Persists
• SHLD — SHieLD
• STBL — Stable
• HP — High Precipitation
• RDGG — Ridging
• AMDAR — Automatic Meteorological Data And Reporting
• LCTN — Location
• RSTR — Restrict
• HOL — Holiday
• TAMU — Tropical Aviation Meteorological Unit
• METAR — Meteorological Aviation Report
• FRMN — Formation
• DLAD — Delayed
• LWR — Lower
• NAVMETOCCOM — Naval Meteorology and Oceanography Command
• HRZN — Horizon
• ASMD — As amended
• METMF — Meteorological Mobile Facility
• OCNL — Occasional
• EBND — East bound
• RAG — Ragged
• NEWD — Northeastward
• ACPY — Accompany
• EPD — Extended Forecast Discussion
• PWO — Public Severe Weather Outlook
• SIGMET — Significant Meteorological Advisory
• CNIF — Calibration Network Information Files
• MBRFC — Missouri Basin River Forecast Center
• RGLR — Regular
• GICG — Glaze Icing
• CONTG — Continuing
• IWEDA — Integrated Weather Effects Decision Aid
• INTSFY — Intensify
• VCY — Vicinity
• SSHP — Site Specific Hydrologic Prediction System

• NWR — NOAA Weather Radio
• CWS — Combat Weather Squadron
• HLF — Half
• ROT — Rotate
• LDM — Local Data Manager
• STM — Storm
• LINUX — UNIX-like computer operating system
• SBSDNC — Subsidence
• DMCC — DOE Meteorological Coordinating Council
• ROSA — Remote Observing System Automation
• TRMTG — Terminating
• FTHR — Further
• STP — Storm Total Precipitation
• RGNS — Regions
• PSH — Preliminary Tropical Storm Report
• LFM — Limited Fine Mesh
• SA — Sand
• HIGH — HIGHLAND
• JTSTR — Jet Stream
• PTNS — Portions
• EMERG — Emergency
• AWT — Awaiting Test
• CRNRS — Corners
• QPF — Quantitative Precipitation Forecast
• MTW — Mountain Waves
• FLG — Falling
• SBSDS — Subsides
• RDVLPG — Redeveloping
• PLTO — Plateau
• AQI — Air Quality Statement
• DSNDS — Descends
• RLBL — Reliable
• WWS — Severe Weather Watches
• UNSBL — Unseasonable
• SNWFL — Snowfall
• NNEWD — North-Northeastward
• APST — Aviation Products and Services Team
• MDT — Moderate
• RCMD — Recommend
• BCMS — Becomes
• CSDRBL — Considerable
• IIDA — Integrated Icing Diagnostic Algorithm
• DVLP — Develop
• DEV — Deviation
• QPFSPD — Nmc Special Precipitation Discussion
• MWAVE — Mountain Wave Algorithm
• UNEC — UnNECessary
• PIBAL — pilot-balloon observation
• GLFSTLAWR — Gulf of St. Lawrence
• OSD — Office of Systems Development

• THTNG — Threatening
• TSIP — Thundersleet
• HLSTO — Hailstones
• TEMPO — Temporary
• VDUC — VAS Data Utilization Center
• ALTA — Alberta
• INCLD — Included
• CSC — Combined Shear Contour
• NS — Nimbostratus
• SCTD — Scattered
• SSEWD — South-Southeastward
• COR — Corrected/Correction
• OVTKS — Overtakes
• INTS — intense
• MISG — Missing
• SMOOS — Shipboard Meteorological and Oceanographic Observing Sensor
• MCD — Mesoscale Discussion
• UNSTDY — Unsteady
• HMD — Hemispheric Map Discussion
• UPSLP — Upslope
• WINT — Winter
• LTLCG — Little Change
• DOH — Development and Operations Hydrologist
• PRC — Planning and Research Corporation
• PMD — Prognostic Discussion
• DUC — Dense Upper Cloud
• SNW — Snow
• PRBLTY — Probability
• GRAD — Gradient
• UNSTL — Unsettle
• SELS — SEvere Local Storms Unit
• SQSN — Snow Squalls
• NNWRN — North-Northwestern
• FNTGNS — Frontogenesis
• OMTNS — Over Mountains
• ALG — Along
• STG — Strong
• RCHG — Reaching
• WNWRN — West-Northwestern
• KM — Kilometers to Miles
• SVRL — Several
• EXCP — Except
• VRG — Veering
• QPFERD — Nmc Excessive Rainfall Discussion
• WFOS — Weather Forecast Offices
• MTU — Metric units
• INDEF — Indefinite
• CAPS — Center for Analysis and Prediction of Storms
• KU — University of Kansas
• RSMC — Regional/Specialized Meteorological Centers

• WNWWD — West-Northwestward
• UKMETO — United Kingdom Meteorological Office
• PSBL — Possible
• HIER — Higher
• BATROP — Barotropic
• NOWCAST — Short Term Forecast
• OCRG — Occurring
• PVL — Prevail
• HDFRZ — Hard Freeze
• WRMG — Warming
• SLGTLY — Slightly
• TRBL — Trouble
• M — Mach number
• NPRS — Nonpersistent
• MSTR — Moisture
• NESDIS/SAB — National Environmental Satellite, Data and Information Service/Satellite Analysis Branch
• PSG — Passage
• VLCTY — Velocity
• OCLDG — Occluding
• ETIM — ELAPSED TIME
• FOUS — Forecast Output United States
• PPINE — Plan Position Indicates No Echoes
• WINDS — Weather Information and Display System
• WKDAY — Weekday
• OTP — On Top
• WEA — Weather
• PRIND — Present indications are
• ERD — Excessive Rainfall Discussion
• MRTM — Maritime
• CDFS — Cloud Depiction and Forecast System
• TRMTS — Terminates
• EMBDD — Embedded
• MOGR — Moderate, or Greater
• FIAS — Flight Information Advisory Service
• CAAM — Computer Assisted Artillery Meteorology
• NWSEO — National Weather Service Employees Organization
• ESE — East-southeast
• VSA — By Visual Reference to the Ground
• RVSG — Revising
• RTRN — Return
• INDC — indicate
• WSP — Weather Systems Processor
• DS — Dust Storm
• MRNG — Morning
• RDVLPMT — Redevelopment
• LSQ — Line Squall
• WSWWD — West-Southwestward
• TRNSPG — Transporting
• SMLR — Smaller
• TUE — Tuesday

• NPRA — National Performance Results Act
• ENCTR — Encounter
• VCOT — VFR Conditions on Top
• ARAM — Aviation, Range and Aerospace Meteorology
• NWB — North-westbound
• HV — Have
• OPA — Opaque, white type of ice formation
• G — Green time
• OFCM — Office of the Federal Coordinator for Meteorological Services and Supporting Research
• IPVG — Improving
• ORGPHC — Orographic
• NWSTC — National Weather Service Training Center
• RSTRS — Restricts
• PSCZ — Puget Sound Convergence Zone
• TMPRY — Temporary
• VA — Volcanic Ash
• SFP — State Forecast Product
• CMFC — Coordinating METOC Forecast Center
• UPSTRM — Upstream
• GDS — GeoMet Data Services, Inc.
• NACA — National Advisory Committee on Aeronautics
• RMND — Remained
• ZFP — Zone Forecast Product
• NCWD — National Convective Weather Diagnostic
• TRIB — Tributary
• HWO — Severe Weather Potential Statement
• PPSN — Present Position
• AHOS — Automatic Hydrologic Observing System
• INBD — Inbound
• WDLY — Widely
• WKST — Weakest
• WST — Weather Support Team
• RLTV — Relative
• RAMSDIS — RAMM Advanced Meteorological Satellite Demonstration and Interpretation System
• G — Gust
• WTRS — Waters
• QN — Question
• RESTR — Restrict
• XCP — Except
• VSBYIR — Visibility Increasing Rapidly
• CPHC — Central Pacific Hurricane Center
• NWSH — National Weather Service Headquarters
• DCRS — Decreases
• EMWIN — Emergency Managers Weather Information Network
• MET — Meteorology
• RAWS — Remote Automatic Weather Station
• CWSU — Center Weather Service Unit
• WIE — With Immediate Effect
• TNDCYS — Tendencies
• DPNS — Deepens

• WTSPTS — Waterspouts
• UNREL — Unreliable
• ITT — Information Technology Team
• TT — Teletype
• SRY — Secondary
• HND — Hundred
• ENTR — Entire
• CWF — Combat Weather Flight
• DUR — Duration
• IC — In-Cloud Lightning
• TRPCL — Tropical
• RMTN — Regional Meteorological Telecommunications Network
• RCHS — Reaches
• WRM — Warm
• APPRS — Appears
• THN — Thin
• WSWRN — West-Southwestern
• SIMUL — Simultaneous
• XTNDG — Extending
• TRKG — Tracking Corporation (OTC Bulletin Board [OTCBB])
• HUREP — Hurricane Report
• CWF — Coastal Marine Forecasts
• FNTLYS — Frontolysis
• LO — Lower Order
• ROD — Rate Of Descent
• VGF — Virtual Graphics File
• CCLDS — Clear of Clouds
• MRF — Medium-Range Forecast Model
• RNFL — Rainfall
• SA — Surface observation
• FAX — Facsimile Transmission
• PTNLY — Potentially
• RSIS — Rs Information Services, Inc.
• LIS — Lifted indices
• AMDD — Amended
• TNDCY — Tendency
• OPS-II — Operational Weather Squadron Production System II
• WSR-88D — Weather Surveillance Radar - 1988 Doppler
• LRGR — Larger
• VSB — Visible
• NNERN — North-Northeastern
• ZL — Freezing Drizzle
• TRSN — Transition
• UNSATFY — Unsatisfactory
• HIC — Hydrometeorological Information Center
• EFCT — Effect
• USWRP — United States Weather Research Program
• HPA — Hectapascal
• WRS — Weather Reconnaissance Squadron
• CHC — Chance

• QPFPFD — Ncep Precipitation Forecast Discussion
• CCA — Corrected meteorological message
• THNR — Thinner
• SDM — Station Duty Manual
• SRRS — Systems Record Retention System
• TDA — Today
• HIGH — High Core Threshold
• SWLG — Swelling
• PVLD — Prevailed
• SHLW — Shallow
• OCLDS — Occludes
• SND — Sanderson
• WKNS — Weakens
• SUGS — Suggests
• THRFTR — Thereafter
• AIRMET — Airman's Meteorological advisory
• NWSTG — National Weather Service Telecommunications Gateway
• THTND — Threatened
• RUF — Rough
• DNWND — Down wind
• SFD — STATE FORECAST DISCUSSION
• WRMFNT — Warm Front
• TDO — Tornado
• TSHWR — Thundershower
• GTG — Graphical Turbulence Guidance
• TSRA — Thunderstorm with rain
• TWDS — Towards
• REP — Report
• SIGWX — Significant Weather
• MCDW — Monthly Climatic Data of the World
• NRW — Narrow
• EVE — Evening
• SHARS — Subtle Heavy Rainfall Signature
• OVRNG — Overrunning
• INTR — Interior
• REC — Recreation Report
• TWEB — Transcribed Weather Broadcast
• DTRTS — Deteriorates
• NOWS — NVG Operations Weather Software
• NRLY — Nearly
• ROTS — Rotates
• STNR — Stationary
• EXPC — Expect
• DURG — During
• NWSO — National Weather Service Office
• NWD — Northward
• NIDS — NEXRAD Information Dissemination Service
• RVI — River Ice Statement
• PVLS — Prevails
• NL — No layers

• CYCLGN — Cyclogenesis
• SYNOP — Synoptic
• SPRDS — Spreads
• PLVL — Present Level
• GFA — Graphical Area Forecast
• WNDS — Winds
• CNVTN — Convection
• MESO — Mesoscale
• TWI — Twilight
• DU — Dust
• CSDR — Consider
• USBL — Usable
• KCFB — Kansas City Federal Building
• CW — Cloud-Water Lightning
• PVLT — Prevalent
• NOW — Short Term Forecast
• FIP — Forecast Icing Potential
• THD — Thunderhead
• QSTNRY — Quasistationary
• XTNDD — Extended
• MAY — Maysville
• SWRN — Southwestern
• LP — Low Precipitation
• THKST — Thickest
• DWSW — Deployable Weather Satellite Workstation
• TOVC — Top of Overcast
• DPR — Deeper
• SPD — speed of pupillary dilation
• TPG — Topping
• CST — Coast
• SWAFS — Space Weather Analysis and Forecasting System
• VARN — Variation
• CR — Composite Reflectivity
• SSELY — South-Southeasterly
• FMT — Format
• SUNYA — State University of New York, Albany
• PIBALS — Pilot Balloon Reports
• TFS — Tactical Forecast System
• WRMFNTL — Warm Frontal
• HSD — Heavy Snow Discussion
• TL — Till
• HMT — Hydrometeorological Technicians
• ROB — Radar Coded Observation
• NIDS — NEXRAD Information Distribution Service
• CBS — Cumulonimbi
• POP — Precipitation Probability
• ESP — Extended Streamflow Prediction
• NPSU — National Public Service Unit
• NSH — Nearshore Lake Forecast
• ICE — icing

• PFD — QPF Discussion
• MOS — Model Output Statistics applications
• RVR — River Recreation Statement
• SWA — Severe Weather Analysis
• TRW — Thunderstorm
• MX — Mixed Type of Ice Formation
• SQLN — Squall Line
• HSB — Hydrologic Systems Branch in the Office of Hydrology
• DALGT — Day light
• CWA — County Warning Area
• PWS — Precipitable Waters
• MXD — Mixed
• UWNDS — Upper Winds
• SPECIAL — Special Meteorological Report
• ENE — east-northeast
• SCSL — Standing lenticular stratocumulus
• ESF — Flood Potential Outlook
• LIVV — Lifted Index Vertical Velocity
• USACE — Unites States Army Corps of Engineers
• WBND — West Bound
• AMS — Air mass
• SVR — Severe
• SMTHR — Smoother
• HIC — Hydrologist In Charge
• UKMET — United Kingdom Meteorological Agency
• CVRS — Covers
• VSBYDR — Visibility Decreasing Rapidly
• THTN — Threaten
• FAWS — Flight Advisory Weather Service
• SCC — Tropical Storm Summary
• SMTHST — Smoothest
• HLS — Hurricane Local Statement
• SRR — Storm Relative Mean Radial Velocity Region
• SDM — Senior Duty Meteorologist
• UNA — Unable
• SPRL — Spiral
• RCVS — Receives
• NWFO — National Weather Service Forecast Office
• TDU — Techniques Development Unit
• WPLTO — Western Plateau
• SCS — Spectrum Width Cross Section
• CSI — Critical Success Index
• TWRG — Towering
• TWEB — Transcribed Weather En route Broadcast
• TSHWRS — Thundershowers
• TAP — Transition Aviation Project
• SLOR — Slower
• OCR — Occurrence
• SLPG — Sloping
• STWDSR — Surface Transportation Weather Decision Support Requirements

• VOMIT — VIL Of the Moment In Time
• CWA — Center Weather Advisory - CWSU
• N-AWIPS — National Centers-AWIPS
• EIF — Enhanced IFLOWS Format
• TCP — Public Tropical Cyclone Advisory
• DSA — Special Tropical Disturbance Statement
• TWS — Tropical Weather Summary
• TS — Thunderstorm without precipitation
• WSOM — National Weather Service Operations Manual
• STMS — Storms
• MET — Meteorological Teams
• WSTCH — Wasatch Range
• TWO — Tropical Weather Outlook
• SX — Stability Index
• MMS-P — Meteorological Measuring System-Profiler
• WRMST — Warmest
• SPF — Probability of Tropical Cyclone Conditions
• XTND — Extend
• RCMDS — Recommends
• SMW — Special Marine Warning
• METMFR — Meteorological Mobile Facility Replacement
• WSDDM — Weather Support to Deicing Decision Making
• SWS — Severe Weather Statement
• TACWX — Tactical weather
• JWIS — Joint Weather Impacts System
• FLS — River Flood Statement
• SWR — State Weather Roundup
• SPS — Special (Weather) Statement
• SEB — South-eastbound
• SUPSDG — Superseding
• URG — Urgent
• SOO — Scientific Operations Officer
• VCS — Velocity Cross Section
• WER — WEAK ECHO REGION
• TCU — tropical cyclone update
• UN — Unable
• XPCS — Expects
• SWI — Showalter Index
• VAAC — Volcanic Ash Advisory Centers
• TCE — Tropical Cyclone Position Estimate
• STI — Storm Tracking Information
• SLS — Watch Redefining Statement
• VVSTORM — model-based convection algorithm
• SPKL — Sprinkle
• SSW — South Southwest
• WRMR — Warmer
• SWD — Southward
• SPA — Subtropical Cyclone Public Advisory
• VRS — Veers
• SNOINCR — Snow increase

• SWP — Severe Weather Probability
• TCM — Tropical Cyclone Forecasts/Advisory
• WRS — Worse
• SNOTEL — Snow Telemetry
• WKR — Weaker
• SRM — Storm Relative Mean Radial Velocity Map
• TYP — Type of Aircraft
• SWWD — Southwestward
• TWR — Tactical Weather Radar
• THP — Three-Hour Rainfall Rate
• USFS — U.S. Forest Service
• XPCG — Expecting
• SOO — Scientific and Operations Officer
• TEND — Trend forecast
• SMA — Soil Moisture Accounting Model
• TEN — Theta-e Index
• TSQLS — Thundersqualls

Show More Results

44