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Scientific & Educational >> Weather Abbreviations

Look through 2217 acronyms and abbreviations related to Weather:

• NB — New Brunswick
• MIFG — Shallow Fog (METAR Code)
• TRRN — Terrain
• ADQTLY — Adequately
• LAN — Local Area Network
• ACCUM — Accumulate
• J/KG — Joules per Kilogram
• ABT — About
• DLTD — Deleted
• FTP — File Transfer Protocol
• ACFT — Aircraft
• NBFR — Not Before
• OPS — Operations
• KOCTY — Smoke Over City
• FLRY — Flurry
• ASAP — As Soon As Possible (pronounced AY-sap)
• FIRAV — First Available
• Z DR — Differential Reflectivity
• NTSB — US National Transportation Safety Board
• LCLY — Locally
• RF — Radio Frequency
• SUFLY — Sufficiently
• PLS — Please
• CONSHELF — Continental Shelf
• VIP — Very Important Person
• FEMA — Federal Emergency Management Agency
• GRT — Great
• MSG — Message
• ASL — Above Sea Level
• AAL — Above Aerodrome Level
• MOA — Memorandum Of Agreement
• FYI — For Your Information
• F SCALE — See Fujita Scale
• ATTN — Attention
• RVR — Runway Visual Range
• RFP — Request For Proposal
• FAR — Federal Aviation Regulation
• S — South
• ATA — Area Transportation Authority
• WAC — World Aeronautical Chart
• Y2K — Year 2000
• NNNN — End of Message
• BTWN — Between
• B- — Convective Inhibition
• D-MAWDS — Digital Marine Weather Dissemination System
• M2/S2 — Meters squared per second squared
• AL — Alabama
• AGL — Above Ground Level
• BLDU — Blowing Dust (METAR Code)
• ICAO — International Civil Aviation Organization

• USAF — United States Air Force
• SEQ — Sequence
• MPH — Miles Per Hour
• SNOINCRG — Snow increasing
• NAB — Not Above
• G-AIRMET — Graphical Airmet
• SMS — Synchronous Meteorological Satellite
• C — Center
• WWW — World Weather Watch
• HDRAIN — An Hourly Digital Rainfall Product of the WSR-88D
• FAA — Federal Aviation Administration
• DEC — December
• VHF — Very High Frequency
• GF — Ground Fog
• RQRD — Required
• E — East
• GUI — Graphical User Interface (goo-ey)
• SYS — System
• CA — California
• MD — Maryland
• GPS — Global Positioning System (ex-NAVSTAR)
• TNTV — Tentative
• MIL — Military
• KG — Kilogram
• DOH — Development and Operations Hydrologist
• FAA/AWR — Federal Aviation Administration/Aviation Weather Research Division
• CM — Centimeter
• SUPSD — Supersede
• MSL — Mean Sea Level
• DATANET — Hydrologic Data Network Analysis Software
• WILCO — Will Comply
• ATC — Air traffic control
• WX — Weather
• N — North
• LA — Louisiana
• HTG — Heating
• STD — Standard
• CONTS — Continues
• ALT — Altitude
• BC — British Columbia
• ACK — Acknowledge (telecommunications; Cf. NAK)
• CAPE — Convective Available Potential Energy
• ETA — Eta model
• R — Right
• MOS — Model Output Statistics
• NAS — National Airspace System
• T. D. — Tropical Depression
• CAVU — Ceiling And Visibility Unlimited
• APR — April River Airport, April River, Papua New Guinea
• ASD — Aircraft Situation Display

• DMG — Damage
• NOV — November
• EXTRAP — Extrapolate
• LTGCG — Lightning Cloud-to-Ground
• AGC — Automatic Gain Control
• Y — Yellow
• T.S. — Tropical Storm
• MI — Michigan
• MN — Minnesota
• NC — No Change
• CONUS — Continental United States (48 Contiguous States and DC)
• AK — Alaska
• SEC — Second
• CT — Connecticut
• INFO — Information
• SC — South Carolina
• RCVD — Received
• RFI — Radio Frequency Interference
• RFC — River Forecast Center
• CONTD — Continued
• CW — Continuous Wave
• CHG — Change
• NSF — National Sanitation Foundation
• DOD — United States Department of Defense
• PWR — Power
• CAT — Clear Air Turbulence
• PA — Pennsylvania
• ACT — Active
• DTG — Date-Time Group
• W — West
• N-TFS — New Tactical Forecast System
• OBSCD — Obscured
• CLD — Cloud
• BLDG — Building
• AR — Arkansas
• FLT — Flight
• W — White
• LVL — Level
• PBL — Planetary Boundary Layer
• FT — Feet
• MS — Mississippi
• R — Red
• NATL — National
• ADJ — Adjacent
• FY — Fiscal Year
• CWT — Combat Weather Team
• SACSMA — Sacramento Soil Moisture Accounting Model
• AMT — Amount
• AMSL — Above Mean Sea Level
• CONT — Continue

• FAA/ARW — Federal Aviation Administration/Aviation Requirements - Weather Group
• UT — Utah
• NM — Nautical Mile
• PRF — Pulse Repetition Frequency
• OH — Ohio
• BACLIN — Baroclinic
• FIS — Flight Information Service
• NY — New York
• LAT — Latitude
• VFR — Visual Flight Rule
• NOTAM — Notice to Airmen
• MO — Missouri
• SWLY — Southwesterly
• HSD — Heavy Snow Discussion
• AAAS — American Association for the Advancement of Science
• JAN — January
• NESDIS — National Environmental Satellite, Data, and Information Service
• KY — Kentucky
• GND — Ground
• HPC — Hydrometeorological Prediction Center
• TN — Tennessee
• OR — Oregon
• FIG — Figure
• MCW — Modulated Continuous Wave
• NJ — New Jersey
• LMT — Local Mean Time
• XPCD — Expected
• MA — Massachusetts
• NE — Nebraska
• RI — Rhode Island
• VLCTYS — Velocities
• CO — Colorado
• LABRDR — Labrador
• V — Velocity
• SH — Showers
• MID — Middle
• CRS — Course
• MT — Mountain
• BL — Blowing (METAR descriptor)
• VT — Vermont
• COORD — Coordinate
• ND — North Dakota
• RCV — Receive
• PC — Personal computer (host)
• LTR — Later
• NLT — Not Later Than
• ADR — Advisory Route
• PERM — Permanent
• B — Blue
• NXT — Next

• ETC — Et Cetera
• NS — Nova Scotia
• RH — Relative Humidity
• AGRMT — Agreement
• NGT — Night
• INU — Inertial Navigation Unit
• FTE — Full-Time Employee
• TURBT — Turbulent
• NEB — Nebraska
• SO — Southern Oscillation
• OCT — October
• AD — Aerodrome
• BRK — Break
• CFS — Cubic Feet per Second
• SNR — Signal-to-Noise Ratio
• SD — South Dakota
• FROPA — Frontal Passage
• NV — Nevada
• ACLTG — Accelerating
• PRESFR — Pressure Falling Rapidly
• WI — Wisconsin
• HZ — cycles per second (hertz)
• GSA — U.S. General Services Administration
• OPMET — Operational Meteorological
• WV — West Virginia
• ME — Maine
• IR — Infrared
• SMK — Smoke
• RPG — Radar Product Generator
• IL — Illinois
• FSS — Flight Service Station
• OBSCG — Obscuring
• VOL — Volume
• PSN — Position
• SIG — Signature
• CTGY — Category
• DC — District of Columbia
• OPR — Operator
• AUG — August
• FL — Florida
• POD — Probability Of Detection
• FWD — Forward
• PRIM — Primary
• STGST — Strongest
• MCS — Mesoscale Convective System
• AFSS — Automated Flight Service Station
• NOAA — National Oceanic and Atmospheric Administration (US)
• PW — Precipitable Water
• VC — Vicinity
• SML — Small

• VAD — Velocity-Azimuth Display
• RDA — Radar Data Acquisition
• WAMPS — Weather Automated Mission Planning Software
• TC — Tropical Cyclone
• PTNL — Potential
• KPA — kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
• ALQDS — All Quadrants
• TMW — Tomorrow
• GEN — General Motors
• WO — Without
• TAS — True Airspeed
• CVR — Cover
• LYRS — Layers
• FLD — Field
• ARTCC — Air Route Traffic Control Center
• METRO — Metropolitan
• FFW — Flash Flood Warning
• MUCAPE — Most Unstable CAPE
• PDT — Product Development Team
• MIN — Minimum
• ADDS — Aviation Digital Data Service
• SS — Sandstorm
• FZFG — Freezing Fog
• BR — Mist
• BM — Benchmarking
• HR — Hour
• AC — Altocumulus
• RAOBS — Radiosonde Observations
• DX — Duplex
• X — Cross
• PVA — Positive Vorticity Advection
• PD — Period
• UV — Ultraviolet (Light)
• WV — Water Vapor
• CFO — Communication Filing Officer
• MTNS — Mountains
• DABRK — Daybreak
• BHND — Behind
• PY — Spray
• UTC — Coordinated Universal Time
• ANS — Answer
• VIP — Video Integrator and Processor
• SFC — Surface
• MAX — Maximum
• NEGLY — Negatively
• OWS — Operational Weather Squadron
• POSLY — Positively
• FU — Smoke
• LEN — Length
• MICRO-ART — Microcomputer Automatic Radiotheodolite Master Control Unit

• CDC — Climate Diagnostics Center
• WSR-57 — A NWS Weather Surveillance Radar designed in 1957
• UFN — Until Further Notice
• AFD — Area Forecast Discussion
• SAT — Saturday
• NM — New Mexico
• TCU — Towering Cumulus
• ACLTS — Accelerates
• VOR — VHF Omnidirectional Range
• BA — Braking Action
• FFS — Flash Flood Statement
• CDM — Collaborative Decision Making
• MED — Medium
• IATA — International Air Transport Association
• RTE — Route
• WINTEM — Forecast upper wind and temperature for aviation
• SLP — Slope
• ADVCTN — Advection
• DATACOL — The Software System that supports RFC gateway functions
• LTL — Little
• LI — Lifted Index
• VR — Veer
• Q — Quadrature
• UNAVBL — Unavailable
• MPC — Marine Prediction Center
• ACPT — Accept
• AFTN — Afternoon
• NCAR/RAP — National Center for Atmospheric Research/Research Applications Program
• BCM — Become
• IMC — Instrument Meteorological Conditions
• ARINC — Aeronautical Radio Incorporated
• TURB — Turbulence
• PM — post meridian
• RGT — Right
• SEP — September
• IA — Iowa
• NBAA — National Business Aviation Association, Inc.
• DIST — Distance
• UPS — United Parcel Service, Inc.
• CD — Climatological Data
• WSR-74 — A NWS Weather Surveillance Radar designed in 1974
• WB — Weather Bureau
• BLM — Bureau of Land Management of United States Department of the Interior
• T — Thunderstorm (weather reports)
• WSFOS — Weather Service Forecast Offices
• WTSPT — Waterspout
• OML — Operations Manual Letter
• TACMET-MOD — Tactical Meteorological Observing System Modification
• NEC — Necessary
• LCL — Local

• IMPT — Important
• HZ — Haze (METAR Code)
• DMSHG — Diminishing
• WBZ — Wet-Bulb Zero
• CLR — Clear
• AVG — Average Voltage Gain
• VOLMET — Meteorological information for aircraft in flight
• PIXEL — Picture Element
• AMDT — Amendment
• NC — North Carolina
• CU — Cumulus
• LSR — Local Storm Report
• LGTD — Lighted
• TOP — Cloud Top
• TSFRD — Transferred
• AZ — Arizona
• FFG — Flash Flood Guidance
• WRNGS — Warnings
• LLWAS — Low Level Wind Shear Alert System
• TAF — Terminal Aerodrome Forecast
• SN — Snow
• ACTV — Active
• WNWLY — West-northwesterly
• CDA — Command and Data Acquisition
• RVSD — Revised
• WI — Within
• BCH — Beach
• CI — Cirrus
• PIREP — Pilot (weather) Report
• FM — From
• R — Required
• RESP — Response
• DDS — Data Distribution System
• UNL — Unlimited
• WADL — West African Disturbance Line
• UIR — Upper Flight Information Region
• WSWLY — West-Southwesterly
• INS — Inertial Navigation System
• AS — Altostratus
• ID — Idaho
• NASA — National Aeronautics and Space Administration (US)
• WSW — West-southwest
• GR — Hail
• FZDZ — Freezing Drizzle
• WB — Westbound
• NOSIG — No Significant Change
• CIG — Ceiling
• PUGET — Puget Sound
• KW — Kilowatt (one thousand watts) (measurement)
• SMG — Space Flight Meteorology Group

• PRODG — Producing
• PRT — Pulse Repetition Time
• VIL — Vertically-Integrated Liquid water
• SW — South West
• NCO — NCEP Central Operations
• AP — Airport
• BFR — Before
• AIRMET — AIRman's METeorological Information
• ARPT — Airport
• WNW — West-northwest
• ALTHO — Although
• BINOVC — Breaks in overcast
• FA — Area Forecast
• MLW — Mean Low Water (nautical Charts)
• DCP — Data Collection Platform
• FZRA — Freezing Rain (METAR Code)
• BWER — Bounded Weak-Echo Region
• UCP — Unit Control Position
• SRH — Storm-relative Helicity
• SMRY — Summary
• INCL — Include
• AOB — At or Below
• NEG — NEGative
• MOVD — Moved
• BND — Bound
• FAR — False Alarm Ratio
• EXER — Exercise
• THRU — Through
• USGS — United States Geological Survey (DOI)
• TDL — Techniques Development Laboratory
• NNW — North-Northwest
• TSTMS — Thunderstorms
• G — Green
• NSSL — National Severe Storms Laboratory
• ALERT — Automated Local Evaluation in Real Time
• RA — Rain
• FIR — Flight Information Region
• WSHFTS — Wind Shifts
• IFR — Instrument Flight Rules
• SUGG — Suggesting
• DDS — Domestic Data Service
• CRC — Circle
• OTR — Other
• FLUC — fluctuation
• TRPCD — Tropical Continental
• OFC — Office
• CAT — Category (e.g. CAT-5 cable)
• TOR — Tornado Warning
• ABV — Above
• CB — Cumulonimbus

• SWE — Snow Water Equivalent
• BCFG — Fog Patches
• SHFT — Shift
• ADVYS — Advisories
• ROFOR — Route Forecast
• WMC — World Meteorological Center
• VV — Vertical Velocity
• MCC — Mesoscale Convective Complex
• HJ — Sunrise to sunset
• C — Celsius
• EST — Estimate
• CS — Cirrostratus
• WMO — World Meteorological Organization (ICSU)
• RPRT — Report
• GMDSS — Global Maritime Distress and Safety System (IMO)
• MVFR — Marginal Visual Flight Rules
• UPS — Uninterruptible Power Supply
• NNICE — Neural Network for Icing
• WIP — Work In Progress (process)
• AFDK — After Dark
• FD — Winds and Temperatures Aloft Forecasts
• MAY — May Department Stores Company
• STFRM — Stratiform
• APCHG — Approaching
• NTFYD — Notified
• INCLS — Includes
• POS — Positive
• TX — TEXAS
• ATTM — At This Time
• BKN — Broken
• T — Temperature
• OTLK — Outlook
• VRISL — Vancouver Island, BC
• REPL — Replace
• XBT — expendable bathythermograph (oceanography)
• AWHPS — Area Wide Hydrologic Prediction System
• TKE — Turbulent Kinetic Energy
• CUFRA — Cumulus Fractus
• PTLY — Partly
• NC — National Center
• PUP — Principal User Processor (NEXRAD)
• INTSFYS — Intensifies
• LST — Local Standard Time
• MST — Mosta
• OVR — Over
• ST — Stratus
• MNM — Minimum
• MDFY — Modify
• TNGT — Tonight
• IP — Ice Pellets

• HWY — Highway
• COMPARD — Compared
• BLDS — Builds
• ADM — Administrative Messages
• NVA — Negative Vorticity Advection
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• ADA — Advisory Area
• COMET — Cooperative Program for Operational Meteorology, Education and Training
• BT — Bathythermograph
• CNFDC — Confidence
• ACC — Area Control Center
• API — Antecedent Precipitation Index
• BRN — Bulk Richardson Number
• GOES — Geostationary Operational Environmental Satellite
• KS — Kansas
• SPENES — Satellite precipitation estimate statement
• HGT — Height
• NH — New Hampshire
• TELCON — Telephone Conversation
• DFNT — Definite
• OFP — Occluded Frontal Passage
• RHI — Range-Height Indicator
• THRUT — Throughout
• APRX — Approximate
• GV — Ground Visibility
• DCS — Data Collection System (NOAA Polar Orbiting Satellites)
• DES — Descend
• WUD — Would
• SBSDD — Subsided
• BLSN — Blowing Snow (METAR Code)
• NAMIS — NATO Automated Meteorological Information System
• LAM — Logical acknowledgment
• ATCSCC — Air Traffic Control System Command Center
• COE — Creek Corps of Engineers
• PRSTNC — Persistence
• SHUD — should
• F — Degrees Fahrenheit
• RVA — River Summary
• ANLYS — Analysis
• INTL — International
• Z — Zulu (Greenwich mean time)
• DBL — Double
• DIR — Directory
• HDG — Heading
• UVV — Upward Vertical Velocity
• FCST — Forecast
• ALSTG — Altimeter Setting
• OK — Oklahoma
• RCVG — Receiving
• HI — High

• AVN — Aviation Model
• MIC — Meteorologist-In-Charge
• CAVOK — conditions
• LTGCC — Lightning Cloud-to-Cloud
• QPFHSD — Ncep Heavy Snow Discussion
• OCS — Oklahoma Climatological Survey
• CC — Cirrocumulus
• TSB — Technical Support Branch
• SHFTD — Shifted
• INP — If Not Possible
• BLSA — Blowing Sand (METAR Code)
• SWEAT INDEX — Severe WEAther Threat Index
• ETD — Estimated Time of Departure
• AOPA — Aircraft Owners and Pilots Association
• WY — Wyoming
• ISA — International Standard Atmosphere
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• IAO — In And Out
• PRIN — Principal
• SHWRS — Showers
• DSIPTN — Dissipation
• CONTLY — Continually
• MAR — March
• RTRND — Returned
• DFNTLY — Definitely
• SHFTG — Shifting
• ITCZ — Intertropical Convergence Zone (of Seawater)
• MT — Montana
• SDF — Second-Day Feet
• GFS — Global Forecast System
• CISK — Conditional Instability of the Second Kind
• THSD — Thousand
• ASOS — Automated Surface Observing System
• RTRNG — Returning
• RGN — Region
• HSF — High Seas Forecasts
• FC — Funnel Cloud
• RMNG — Remaining
• DVRG — Diverge
• MEX — Mexico
• VAL — Valley
• AWDS — Automated Weather Distribution System
• SNGL — Single
• LOT — Local Office Team
• AVBL — available
• SPKLS — Sprinkles
• INTMT — Intermittent
• SMPDBK — The Simplified Dam Break Model
• THKNS — Thickness
• PNHDL — Panhandle

• OTRW — Otherwise
• COND — Conditions
• EMC — Environmental Modeling Center
• AWT — Awaiting Trial
• BLO — Below
• CHSPK — Chesapeake
• OAC — Oceanic Area Control Center
• LIFR — Low Instrument Flight Rules
• TEMP — Temperature
• SEWD — Southeastward
• KLYR — Smoke Layer Aloft
• LTD — Limited
• NAT — North Atlantic
• NMC — National Meteorological Center (US)
• SE — Southeast
• SG — Snow Grains (weather reports)
• TROFS — Troughs
• RSG — Rising
• VMC — visual meteorological conditions
• ESPINIT — ESP Initialization Program
• WS — Wind Shear
• THKR — Thicker
• ADDN — Addition
• CPBL — Capable
• THK — Thick
• DMNT — Dominant
• RTD — Delayed
• EV — every
• NRCS — Natural Resources Conservation Service
• PROD — Produce
• HRS — Hours
• INVOF — In vicinity of
• SM — Statute Mile
• THR — Threshold
• UNKN — Unknown
• NSSFC — National Severe Storms Forecast Center
• SUPSDS — Supersedes
• NAV — Navigator
• TF — Terminal Forecast
• INOP — Inoperative
• DTRTD — Deteriorated
• THKNG — Thickening
• ADQT — Adequate
• ALUTN — Aleutian
• NELY — Northeasterly
• MORENET — Missouri Research & Education Network
• WEF — With Effect From
• OSO — Office of Systems Operations
• WRN — Western
• GEMPAK — General Environmental Meteorological Package

• TOPS — Tops
• RAFS — Regional Analysis and Forecasting System
• MWO — Meteorological Watch Office
• ROML — Regional Operations Manual Letter
• LRG — Large
• HAZ — Hazard
• AFWIN — Air Force Weather Information Network
• RPTS — Repeats
• AMIS — Automated Meteorological Information System
• DLY — Daily
• TYPH — Typhoon
• ACSL — Altocumulus Standing Lenticular
• SQ — Squall
• RIOGD — Rio Grande
• PRSNT — Present
• SRN — Southern
• ROC — Rate of Climb
• DE — DELAWARE
• SBSD — Subside
• DEP — Depart
• STN — Station
• RCM — Radar Coded Message
• DVV — Downward Vertical Velocity
• AFOS — Automation of Field Operations and Services
• NHC — United States National Hurricane Center
• DVRGG — Diverging
• CIP — Current Icing Potential
• WTR — Water
• DZ — Drizzle
• ZN — Zone
• PRES — Pressure
• RQRS — Requires
• RSNS — Reasons
• FCSTR — Forecaster
• EL — Equilibrium Level
• ERN — Eastern
• RDR — Radar
• INTSFYG — Intensifying
• TRNSP — Transport
• IMDTLY — Immediately
• ADVCTD — Advected
• SXNS — Sections
• GAI — Global Atmospherics Inc
• CNCL — Cancel
• LLJ — Low Level Jet stream
• ACCAS — Altocumulus Castellanus
• CNTRS — Centers
• SBLI — Lifted Index calculated using surfaced based parcel
• KT — Knots
• PRECD — Precede

• MAP — Mean Areal Precipitation
• YR — Your
• CLEICEIO — Great Lakes 5-Day Ice Outlook
• NCEP — National Centers For Environmental Prediction (form. NMC; NWS Center)
• VSBY — Visibility
• APRXLY — Approximately
• CANAM — Canadian/American
• SHWR — Shower
• LTST — Latest
• CRCLN — Circulation
• UNSTLD — Unsettled
• BLD — Build
• FAM — Familiar
• HTC — The Hydrometeorological Training Council
• UPDFTS — Updrafts
• GA — Georgia
• AMOS — Automated Meteorological Observing System
• NE — North-East
• SFERICS — Atmospherics
• SHFTS — Shifts
• RCMDD — Recommended
• AFWA — Air Force Weather Agency
• BCKG — Backing
• WWD — Westward (weather reports)
• ATLC — Atlantic
• ABNML — Abnormal
• SPECI — Aviation selected special weather report
• ID — IDentifier
• CNCLD — Canceled
• RW — Rain Shower
• GFDL — Geophysical Fluid Dynamics Laboratory (NOAA US)
• TDWR — Terminal Doppler Weather Radar
• AAA — Amended meteorological message
• VLY — Valley
• SAW — Preliminary Notification of Forthcoming Watch
• EC — Environment Canada
• AHOS-T — Automatic Hydrologic Observing System - Telephone
• UDDF — Up and Down Drafts
• AOB — Aviation Operations Branch
• KMH — Kilometers per hour
• ACTVTY — Activity
• WIBIS — Will Be Issued
• CNL — Cancel
• FT — Terminal Forecast
• FVRBL — Favorable
• RECON — Reconnaissance
• RCMDG — Recommending
• THNG — Thinning
• PSBLTY — Possibility
• MDFYD — Modified

• FST — First
• EPRI — Electric Power Research Institute (US)
• AMPG — Amplifying
• VOR — VHF Omnidirectional Radio Range
• SLOLY — Slowly
• RPT — Repeat
• PRVDD — Provided
• STF — Stratiform
• DRFT — Drift
• PRSNTLY — Presently
• LGT — Light
• EAA — Experiment Aircraft Association
• NLY — Northerly
• YKN — Yukon
• DAPM — The Data Acquisition Program Manager
• HVYST — Heaviest
• MB — Millibar(s)
• ZNS — Zones
• INC — in cloud
• PAC — Pacific Region
• TSFRS — Transfers
• TT — Total Totals
• ACYC — Anticyclone
• AGFS — Aviation Gridded Forecast System
• DRFTG — Drifting
• AIRMET — Airman's Meteorological advisory
• CRCLC — Circulate
• SCNDRY — SECONDARY
• PROGD — Forecasted
• NCAR — National Center for Atmospheric Research (US)
• CSTAR — Collaborative Science, Technology and Applied Research
• AHOS-S — Automatic Hydrologic Observing System - Satellite
• NRN — Northern
• ACCID — Notification of an aircraft accident
• CNTRD — Centered
• ASSOCD — Associated
• LONG — Longitude
• DMSHS — Diminishes
• AZM — Azimuth
• RUC — Rapid Update Cycle
• SWPC — Space Weather Prediction Center
• CONS — Continuous
• ENHNC — Enhance
• APST — Aviation Products and Services Team
• MNT — Monitor
• AFCTD — Affected
• JUN — June
• MDS — Minimum Discernible Signal
• CSW — Committee for Space Weather
• RWY — Runway

• SGFNTLY — Significantly
• SLD — Solid
• COV — Cover
• ADRNDCK — Adirondack
• DIFAX — Digital Facsimile
• CEM — Civil Emergency Message
• CNCLG — Cancelling
• NOHRSC — The National Operational Hydrologic Remote Sensing Center
• RVSS — Revises
• FLRYS — Flurries
• SHEFPARS — A software decoder for SHEF Data
• PRECDS — Precedes
• TMPRYLY — Temporarily
• ALTM — Altimeter
• NSW — Nil Significant Weather
• VAS — VISSR Atmospheric Sounder
• WEFAX — Weather Facsimile
• JAN — January
• VLYS — Valleys
• METAR — Meteorological Terminal Aviation Routine Weather Report
• LLWS — Low Level Wind Shear
• CDFNT — Cold Front
• SPCLY — Especially
• DAMBRK — The Dam Break Forecasting Model
• AVARS — Aircraft Vertical Acceleration Reporting System
• DSND — Descend
• TRMM — Tropical Rainfall Measuring Mission (US-Japan)
• SLD — Supercooled Large Drops
• MDL — Model
• RMK — Remark
• MNLY — Mainly
• ATAD — Automated Telephone Answering Device
• ABNDT — Abundant
• ACLT — Accelerate
• ADZ — Advise
• AIV — Aviation Impact Variable
• RAFC — Regional Area Forecast Center
• CNTR — Center
• DNSTRM — Downstream
• MLLW — Mean Lower Low Water (nautical Charts)
• BLKTG — Blanketing
• VFY — Verify
• RAOB — Radiosonde Observation
• CLEGLFGLS — Great Lakes Marine Synopsis
• NFDRS — National Fire Danger Rating System
• SLW — Slow
• OM — Office of Meteorology
• QFE — Atmospheric Pressure At Aerodrome Elevation
• RTRNS — Returns
• REQ — Request

• CAEM — Commission for Aeronautical Meteorology (WMO)
• SRND — Surround
• SBCAPE — CAPE calculated using a Surface based parcel
• VISSR — visible and infrared spin scan radiometer (GOES)
• AWN — Automated Weather Network
• RVF — River Forecast
• FCSTD — Forecasted
• EFF — Experimental Forecast Facility
• CSI — Conditional Symmetric Instability
• CADAS — Centralized Automated Data Acquisition System
• RAM — Regional Area Meteorologist
• PRSTNT — Persistent
• ERL — Environmental Research Laboratories (absorbed By OAR Or NOAA Research)
• TSFRG — Transferring
• ETA — Greek letter, describes a constant height coordinate model system
• NAWAU — National Aviation Weather Advisory Unit
• INTCNTL — Intercontinental
• RTN — Return
• SARPS — Standards and Recommended Practices
• ARR — Arrive
• CRNR — Corner
• RLTVLY — Relatively
• JUL — July
• WND — Windsor
• RPDLY — Rapidly
• ADL — Additional
• ARTYMET — Artillery Meteorological
• BLKT — Blanket
• FREQ — Frequency
• FSL — Forecast Systems Laboratory (a NOAA ERL)
• GAMA — General Aviation Manufacturers Association's
• LEWP — Line Echo Wave Pattern
• SR — Sunrise
• SUP — Supply
• AFTN — Air Force Television Network
• RVS — River Statement
• FRQ — Frequent
• DNSLP — Downslope
• CIN — Convective Inhibition
• WIST — Weather Information for Surface Transportation
• DISRED — Disregarded
• AFCTG — Affecting
• BECMG — Becoming
• ACARS — ARINC Communications Addressing and Reporting System
• GOES — Geostationary Orbiting Environmental Satellite
• TIP — Until past
• ECMWF — European Center for Medium-Range Weather Forecasting model
• BLDUP — Buildup
• NAP — NCEP Advisory Panel
• FORNN — Forenoon

• ZR — Freezing Rain
• SWOMCD — SELS Mesoscale Discussion
• BLW — Below
• QG — An abbreviation for quasigeostrophic
• DSF — Day-Second Feet
• LTGCCCG — Lightning cloud-to-cloud cloud-to-ground
• DEG — Degree
• ESA — Electronic Systems Analyst
• IWEDA — Integrated Weather Effects Decision Aid
• PRBLY — Probably
• OAT — Outside Air Temperature
• RSNG — Reasoning
• SD — Storm Data
• EHI — Energy Helicity Index
• DISCG — Discontinuing
• SRNDG — Surrounding
• MHKVLY — Mohawk Valley
• NNELY — North-northeasterly
• BDRY — Boundary
• DTRTG — Deteriorating
• CONTRAILS — Condensation Trails
• SHRTWVS — Shortwaves
• EXTRAPD — Extrapolated
• MDFYG — Modifying
• PUP — Principle User Processor
• STBLTY — Stability
• DPTH — Depth
• USMC — United States Marine Corporation
• KMARD — Kansas Modernization and Restructuring Demonstration
• AOML — Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
• UAB — Until Advised By
• DMSH — Diminish
• NR — Number
• BRKG — Breaking
• WMSCR — Weather Message Switching Center Replacement
• CASC — Central Administrative Support Center
• CLEGLSCLE — Great Lakes Storm Summary
• NMBRS — Numbers
• PL — Ice Pellets or Sleet
• FRZN — Frozen
• SPC — Storm Prediction Center
• FEB — February
• SUBTRPCL — Subtropical
• DISRE — Disregard
• BNDRY — Boundary
• WAA — Warm Air Advection
• ITWS — Integrated Terminal Weather System
• WFO — Weather Forecast Office
• KBDI — Keetch-Byram Drought Index
• COT — At the Coast

• OVRN — Overrun
• LCTMP — Little change in temperature
• POSS — Possible
• PRECDG — Preceding
• LGRNG — Long Range
• WDLY — Widely
• BLKTS — Blankets
• CCL — Convective Condensation Level
• FRM — Form
• TSNT — Transient
• COMPAR — Compare
• QBI — Compulsory IFR flight
• ADVCTG — Advecting
• INPR — in progress
• PRST — Persist
• RTA — Remote to AFOS
• FNTL — Frontal
• UCAR — University Corporation for Atmospheric Research
• RCKYS — Rockies
• BRKHIC — Breaks in higher clouds
• ASSOCN — Association
• SNFLK — Snow flake
• LONGL — Longitudinal
• FPM — Feet Per Minute
• PHYS — Physical
• AAWU — Alaskan Aviation Weather Unit
• VLNT — Violent
• LDG — Landing (aviation)
• INCR — Increase
• RVS — Revise
• NW — North West
• RDC — Reduce
• TWIP — Terminal Weather Information for Pilots
• HADS — Hydrometeorological Automated Data System
• SKC — Sky Clear
• CYC — Cyclonic
• SRNDS — Surrounds
• SWODY1 — Day 1 Convective Outlook
• SMWHT — Somewhat
• PSBLY — Possibly
• LN — Line
• ONSHR — Onshore
• SWODY2 — Day 2 Convective Outlook
• ART — Automatic Radio Theodolite Master Control Unit As
• XNG — Crossing
• MRGLLY — Marginally
• EPV — Equivalent Potential Vorticity
• IMPLS — Impulses
• QUAD — Quadrant
• WA — Western Approaches

• DSTC — Distance
• BNDRYS — Boundaries
• CLEGLOCLE — Great Lakes Storm Outlook
• OPN — Open
• INSTF — Intensify
• PRBL — Probable
• GRTLY — Greatly
• OBS — Observe
• GEO — Geographic
• DVRGS — Diverges
• PTCHY — Patchy
• SCA — Small Craft Advisory
• DLT — Delete
• SHRTWV — Shortwave
• LLP — Lightning Location and Protection, Inc
• NWP — Numerical Weather Prediction
• BLZD — Blizzard
• RCRDS — Records
• EUMETSAT — European Organization for the Exploitation of Meteorological Satellites
• METOC — Meteorological and Oceanographic
• ANBURS — Alphanumeric Backup Replacement System
• BRM — Barometer
• ENRT — En Route
• OUBD — Outbound
• NTFY — Notify
• CNTRLN — Centerline
• FLW — Follow
• CARIB — Caribbean
• TNTVLY — Tentatively
• CNVTV — Convective
• STGLY — Strongly
• SWO — Staff Weather Officers
• SPRDG — Spreading
• AFW — Air Force Weather
• EXPCG — Expecting
• RCH — Reach
• RCHD — Reached
• CNTY — County
• ASH — Assistant Service Hydrologist
• OCLN — Occlusion
• DEGS — Degrees
• DSIPTG — Dissipating
• BASE — Cloud base
• HN — Sunset to sunrise
• ALGHNY — Allegheny
• FCSTG — Forecasting
• LOC — Local
• MLLI — Mean Layer Lifted Index
• MOVG — Moving
• GLFMEX — Gulf of Mexico

• HIFOR — High Level Forecast
• INCRS — Increases
• SAWRS — Supplementary Aviation Weather Reporting Station
• DVLPD — Developed
• EXCLV — Exclusive
• NNWLY — North-northwesterly
• OFF — Offshore Forecast
• IMT — immediate
• OBSC — Obscure
• EMBD — Embedded in a layer
• LTGCW — Lightning Cloud-to-Water
• EVAD — Extended Velocity
• AWC — Aviation Weather Center
• NCDB — NCEP Computer Development Branch
• CNCLS — Cancels
• NCWX — No Change in Weather
• KFRST — Killing Frost
• MDCRS — Meteorological Data Communications and Reporting System
• BYD — Beyond
• LKLY — Likely
• MLOS — Microwave Line-Of-Site
• SYNS — Synopsis
• CTWFC — CINC Target Weather Forecast Center
• INTMTLY — Intermittently
• APCH — approach
• CONTDVD — Continental Divide
• AFT — Afternoon
• VA — Virginia Ash
• IMDT — Immediate
• ADVNG — Advancing
• XPLOS — Explosive
• GRTST — Greatest
• BRKSHRS — Berkshires
• ESELY — East-southeasterly
• SRNDD — Surrounded
• ADVY — Advisory
• SATFY — Satisfactory
• FRZ — Freeze
• CDB — Computing Development Branch
• CNVGG — Converging
• LTG — Lightning
• PRECDD — Preceded
• USBR — US Bureau of Reclamation
• APRNTLY — Apparently
• BRG — Branching
• SELY — Southeasterly
• NEXRAD — Next-Generation Weather Radar (NWS)
• CLRG — Clearing
• CAA — Cold Air Advection
• INSTL — Install

• CDFNTL — Cold frontal
• ELEV — Elevator
• LMTS — Limits
• SIERNEV — Sierra Nevada
• SHRTLY — Shortly
• FQT — Frequent
• NOPAC — Northern Pacific
• OVC — Overcast (METAR Code)
• AWSS — Aviation Weather Sensor System
• EXPCD — Expected
• NCDC — National Climatic Data Center
• SIGMET — Significant Meteorological Advisory
• RS — Receiver station
• ROBEX — Regional OPMET bulletin exchange
• ALF — Aloft
• ESEWD — East-Southeastward
• DSTBLZN — Destabilization
• SEPN — Separation
• ISCS — International Satellite Communications System
• PIREP — Pilot Report
• FZ — Freezing
• FPO — Flood Potential Outlook
• COMPARS — Compares
• APPRG — Appearing
• TAFB — Tropical Analysis and Forecast Branch
• RQRG — Requiring
• PRESRR — Pressure Rising Rapidly
• CLEICEFBO — Great Lakes Ice Outlook for the Opening of Navigation
• NEXRAD — NEXt generation of weather RADar
• ICGIP — Icing in Precipitation
• EXTRM — Extreme
• LMTG — Limiting
• EXC — Except
• AGN — Again
• BRF — Brief
• PEN — Peninsula
• JMA — Japanese Meteorological Agency
• NAVPACMETOCCEN — Naval Pacific Meteorology and Oceanography Center, Pearl Harbor, Hawaii
• VRB — Variable
• IC — Ice Crystals
• WSHFT — Wind Shift
• NLDN — National Lightning Detection Network
• AC — Anticipated Convection Outlook
• SMTH — Smooth
• DSTBLZ — Destabilize
• AMPLTD — Amplitude
• ELNGTD — Elongated
• PROC — Procedure
• HRL — The Hydrological Research Laboratory
• EXCLVLY — Exclusively

• DIF — Diffuse
• SVG — Serving
• VVP — Volume Velocity Processing
• GRID — Processed meteorological data in the form of grid point values
• VCNTY — Vicinity
• DFCLTY — Difficulty
• FRMG — Forming
• INCLG — Including
• MTN — Mountain
• DSTBLZG — Destabilizing
• ENERN — East-northeastern
• WFP — Warm Front Passage
• ERYR — Earlier
• DSIPTD — Dissipated
• CAFTI — Committee on Analysis and Forecast Techniques Implementation
• OTW — Owning The Weather
• LK — Lake
• ICG — Icing
• INCRGLY — Increasingly
• TRMTD — Terminated
• DWOPER — Dynamic Wave Routing Model
• EB — Eastbound
• VRT MOTN — Vertical Motion
• IIDA — Integrated Icing Diagnostic Algorithm
• AWOS — Automated Weather Observation System
• DPND — Deepened
• DSIPTS — Dissipates
• INTSFYD — Intensified
• FG — Fog Gun
• LTGIC — Lightning in Cloud
• MOD — moderate dysplasia
• VRY — Very
• INDCD — Indicated
• CNVGNC — Convergence
• CMPLX — Complex
• DCRGLY — Decreasingly
• TAWS — Tactical Acquisition Weather Software
• INDCG — Indicating
• RSTRG — Restricting
• EXTRMLY — Extremely
• CNDN — Canadian
• NSC — Nil Significant Cloud
• ACLTD — Accelerated
• CPC — Climate Prediction Center (NWS Center)
• MCIDAS — Man-computer Interactive Data Access System
• VIL — Vertically Integrated Liquid
• HPD — Hourly Precipitation Data
• DMSHD — Diminished
• PARL — Parallel
• DVRGNC — Divergence

• ASC — Aviation Services Coordinator
• ASC — Ascent to
• USWB — United States Weather Bureau
• HDSVLY — Hudson Valley
• APLCNS — Appalachians
• SUB — Substitute
• TT — Teletype
• SNBNK — Snow bank
• MAN — Manitoba
• IMPR — Improve
• VRBL — Variable
• TSFR — Transfer
• FNCTN — Function
• DPNG — Deepening
• CFP — Cold Front Passage
• CIGS — Ceilings
• THU — Thursday
• APSG — After passing
• APRNT — Apparent
• OCNLY — Occasionally
• CUF — Cumuliform
• CCSL — Cirrocumulus Standing Lenticular
• MOVMT — Movement
• SP — Snow Pellets
• DVLPG — Developing
• LYRD — Layered
• LPATS — Lightning Position And Tracking System
• ENHNCMNT — Enhancement
• FILG — Filling
• CTSKLS — Catskills
• DSTBLZD — Destabilized
• ULJ — Upper-Level Jet
• SHSN — Snow Showers (METAR Code)
• RMNDR — Remainder
• SSWWD — South-Southwestward
• HMD — Hemispheric Map Discussion
• ADVN — Advance
• NWSRFS V5.0 — National Weather Service River Forecast Model Version 5
• FOS — FAMILY OF SERVICES
• AOA — At or Above
• DGNLLY — Diagonally
• CLEICEFBO — Great Lakes Freeze-Up Outlook
• FNTS — Fronts
• M — Mesocyclone
• WIDA — Weather Impact Decision Aids
• ENHNCD — Enhanced
• VER — Vertical
• I — See inphase
• OCFNT — Occluded Front
• GSTS — Gusts

• ACRS — Across
• FLG — Flashing
• BGN — Begin
• OTP — On Top
• FCSTS — Forecasts
• DISREG — Disregarding
• IFLOWS — The Integrated Flood Observing and Warning System
• LFTG — Lifting
• ENHNCS — Enhances
• PCPN — Precipitation
• AGRS — Agrees
• INDCS — Indicates
• SASK — Saskatchewan
• CGEN — Convective Sigmet Generation
• OUTFLO — Outflow
• INTSTY — Intensity
• EXTD — Extend
• MDLS — Models
• ASB — Aviation Support Branch
• ASAPTRAN — The software component of ASA
• ENELY — East-northeasterly
• DBNET — Distributed Brokered Networking
• SPLNS — Southern Plains
• VIS — Visible
• APCHS — Approaches
• APLCN — Appalachian
• INTRMTRGN — Intermountain Region
• EXTN — Extension
• RQR — Require
• MBRFC — Missouri Basin River Forecast Center
• MULTILVL — Multi-level
• NERN — Northeastern
• REQSTD — Requested
• NEW ENG — New England
• COM — Communications Society
• TSSN — Thundersnow
• NEXRAD — Next Generation Weather Radar
• ETA — estimating arrival
• MAREP — Marine Reporting Program
• INTRP — Interrupt
• FEW — Few
• DWNDFTS — Downdrafts
• RPTG — Repeating
• DELMARVA — Delaware-Maryland-Virginia
• AMD — amend
• TSTM — Thunderstorm
• TROP — Tropopause
• PPI — Plane Position Indicator
• RE — Regard
• PQPF — probabilistic quantitative precipitation forecast

• EXTDS — Extends
• CLKWS — Clockwise
• DWPNTS — Dewpoints
• LVLS — Levels
• ET — Electronic Technician
• DRFTD — Drifted
• CNTRL — Central
• WAFC — World Area Forecast Center
• RPRTD — Reported
• RTVS — Real Time Verification System
• DIGG — Digging
• IPV — Improve
• ENDG — ending
• GRDLY — Gradually
• INTMD — Intermediate
• IOS — Integrated Operational Services
• PGTSND — Puget Sound
• BAMS — Bulletin of the American Meteorological Society
• FQTLY — Frequently
• DURN — Duration
• ROD — Rate Of Descent
• ADVIS — Headwater Advisory Program
• FCEXEC — A component of the NWSRFS FCST Program
• WARP — Weather and Radar Processor
• SXN — Section
• TROF — Trough
• HND — Hundred
• HVYR — Heavier
• INCRG — Increasing
• EXTDD — Extended
• PC-GRIDDS — Pc-Gridded Interactive Display and Diagnostic System
• LFM — Limited Fine Mesh
• FRZG — Freezing
• PS — Plus
• ATDTDCS — Automated Tone Dial Telephone Data Collection System
• VCTR — Vector
• OVNGT — Overnight
• ACPY — Accompany
• NFLD — Newfoundland
• CNTYS — Counties
• INTSFCN — Intensification
• ELSW — Elsewhere
• FAX — Facsimile Transmission
• ERY — Early
• OCLDD — Occluded
• CLDS — Clouds
• INSTBY — Instability
• SST — Sea surface temperature
• ENHNCG — Enhancing
• NWSTC — National Weather Service Training Center

• RPLC — Replace
• DSNDG — Descending
• LEVEL — Level
• SLY — Southerly
• ATWIS — Advanced Transportation Weather Information System
• RCMD — Recommend
• MOVS — Moves
• GRTLKS — Great Lakes
• WLY — Westerly
• DVLPS — Develops
• ARCUS — Arc Cloud
• AMP — Amplify
• RSTR — Restrict
• METAR — Meteorological Aviation Report
• QUE — Quebec
• WTU — Weather Technology Unit
• ESERN — East-Southeastern
• TVS — Tornado Vortex Signature
• LRGST — Largest
• OSV — Ocean Station Vessel
• EWD — Eastward
• WAFS — World Area Forecast System
• DIV — Divert
• FRST — Frost
• ARFOR — Area Forecast
• SMTM — Sometime
• ENEWD — East-northeastward
• MNLND — Mainland
• WED — Wednesday
• RL — Report Leaving
• BDA — Bermuda Island
• FVT — Forecast Verification Tool
• MPL — Max Parcel Level
• DISCD — Discontinued
• TCNTL — Transcontinental
• DNDFTS — Downdrafts
• CLA — Clear type of ice formation
• SERN — Southeastern
• DNR — Department of Natural Resources
• GENLY — Generally
• WK — Weak
• VFYD — Verified
• PSND — Positioned
• INBD — Inbound
• STAGN — Stagnation
• NCWF — National Convective Weather Forecast
• NADIN — National Airspace Data Interchange Network
• CNVTVLY — Convectively
• SUF — Sufficient
• RGL — Regional Model

• DRFTS — Drifts
• FAWS — Flight Advisory Weather Service
• EXTSV — Extensive
• BLKHLS — Black Hills
• TWI — Twilight
• LRGLY — Largely
• ER — Here
• HLYR — Haze Layer Aloft
• SQAL — Squall
• GEOREF — Geographical reference
• PRVDS — Provides
• SUG — Suggest
• COMPARG — Comparing
• MEGG — Merging
• NNE — North-North-East
• ICGIC — Icing in Clouds
• MIDN — Midnight
• SAMEX — Storm and Mesoscale Ensemble Experiment
• EXTDG — Extending
• INVRN — Inversion
• LV — Leaving
• NATA — National Air Transportation Assoc.
• THRFTR — Thereafter
• VWP — Velocity Azimuth Display Wind Profile
• ARAM — Aviation, Range and Aerospace Meteorology
• MWAVE — Mountain Wave Algorithm
• WDSPR — Widespread
• INTVL — Interval
• UVM — Upward Vertical Motion
• ZE — Equivalent Radar Reflectivity
• XS — Atmospherics
• AMS — American Meteorology Society
• WND — Wind
• SKED — Schedule
• ISOL — Isolate
• OFCM — Office of the Federal Coordinator for Meteorological Services and Supporting Research
• EXP — Expect
• NRLY — Nearly
• LGWV — Long Wave
• UPR — Upper
• HSA — Hydrologic Service Area
• MESO — Mesoscale
• NAVMETOCCOM — Naval Meteorology and Oceanography Command
• FAH — Fahrenheit
• GRTR — Greater
• TRML — Terminal
• FIC — Flight Information Center
• WRS — Weather Reconnaissance Squadron
• MTW — Mountain Waves
• STLT — Satellite

• U/S — Unserviceable
• MARD — Modernization and Restructuring Demonstration
• CAAM — Computer Assisted Artillery Meteorology
• OBST — Obstacle
• GS — Small hail and snow pellets
• STDY — Steady
• PSG — Passing
• FCMSSR — Federal Committee for Meteorological Services and Supporting Research
• CDFS — Cloud Depiction and Forecast System
• TPC — Tropical Prediction Center
• NMBR — Number
• DMCC — DOE Meteorological Coordinating Council
• UNSTBL — Unstable
• CAWIS — Committee for Automated Weather Information Systems
• FDR — Fire Danger Rating
• PROB — probability
• MCIDAS — Man Computer Interactive Data Acquisition System
• DTRT — Deteriorate
• NWLY — Northwesterly
• RAWS — Remote Automatic Weather Station
• DGNL — Diagonal
• FLWG — Following
• ADVCT — Advect
• CWSU — Center Weather Service Unit
• DVLPMT — Development
• WCM — Warning Coordination Meteorologist
• ATMU — AIR TRANSPORTABLE MOBILE UNIT
• PROGS — Forecasts
• SCTR — Sector
• FNT — Front
• GLFALSK — Gulf of Alaska
• XPC — Expect
• ADVS — Advisory Service
• IOVC — In Overcast
• TR — Track
• CCLKWS — Counter-Clockwise
• NML — Normal
• THDR — Thunder
• RE — Recent
• PE — Ice pellets
• CBMAM — Cumulonimbus Mammatus
• XTRM — Extreme
• RFD — Rear Flank Downdraft
• VCY — Vicinity
• ET — Echo Tops
• LYR — Layer
• NAWPC — National Aviation Weather Program Council
• SPD — Speed
• RSTRD — Restricted
• SS — Sunset

• AGRD — Agreed
• ALTA — Alberta
• PRI — Primary
• TDO — Tornado
• RMN — Remain
• MDTLY — Moderately
• AHD — Ahead
• PVLG — Prevailing
• BRS — Branches
• SMOOS — Shipboard Meteorological and Oceanographic Observing Sensor
• ELNGT — Elongate
• SBND — South bound
• DSCNT — Descent
• SC — Stratocumulus (cloud formation)
• SGFNT — Significant
• THTNG — Threatening
• INDEF — Indefinite
• LCTD — Located
• HEL — Helicopter
• T — Thunder
• LDADS — Local Data Acquisition and Dissemination System
• LCTN — Location
• HDWND — Head Wind
• DSTBLZS — Destabilizes
• INTST — Intensity
• EPD — Extended Forecast Discussion
• FIAS — Flight Information Advisory Service
• TIL — Until
• DRG — During
• MULI — Most Unstable Lifted Index
• WID — Width
• WKEND — Weekend
• COOR — Co-ordinate
• LKS — Lakes
• RR — Report Reaching
• MS — Minus
• MXD — Mixed
• RDVLP — Redevelop
• MC — Meteorological Codes
• LO — Low
• NBND — Northbound
• PRVD — Provide
• FRI — Friday
• DCR — Decrease
• WRNG — Warning
• DRZL — Drizzle
• SSE — South-Southeast
• KCFB — Kansas City Federal Building
• NRW — Narrow
• HURCN — Hurricane

• NB — NorthBound
• AMDAR — Automatic Meteorological Data And Reporting
• BGNS — Begins
• NGM — Nested Grid Model
• DOM — Domestic
• CASCDS — Cascades
• TFU — Theater Forecast Unit
• PWO — Public Severe Weather Outlook
• QTP — Quality Through Partnership
• MON — Monday
• RPLCD — Replaced
• DFUS — Diffuse
• IMPL — Impulse
• JCTN — Junction
• INTSFY — Intensify
• REPLD — Replaced
• BAJA — Baja California
• UVVS — Upward Vertical Velocities
• RPLCG — Replacing
• CBOFS — Chesapeake Bay Oceanographic Forecasting System
• ENSO — El Niño and Southern Oscilation
• STNS — Stations
• REPLG — Replacing
• BPAA — Business Pilots Aircraft Association
• SHRT — Short
• ROSA — Remote Observing System Automation
• NNEWD — North-Northeastward
• WVS — Waves
• MRTM — Maritime
• IFFDP — International Flight Folder Documentation Program
• RPD — Rapid
• HWVR — However
• AMDG — Amending
• EXPC — Expect
• SHEF — Standard Hydrologic Exchange Format
• CRP — Critical Rainfall Probability
• OVTK — Overtake
• WSP — Weather Systems Processor
• RSN — Reason
• DEV — Deviation
• INDC — indicate
• DMGD — Damaged
• SAP — As soon as possible
• SUN — Sunday
• RPRTG — Reporting
• NACA — National Advisory Committee on Aeronautics
• SLGT — Slight
• PRVDG — Providing
• NCCF — NOAA Central Computer Facility
• SUPS — Supplies

• MLCAPE — Mean Layer CAPE
• BTL — Between layers
• SLO — Slow
• FMT — Format
• HVY — Heavy
• BFDK — Before Dark
• LWR — Lower
• HRZN — Horizon
• CHGG — Changing
• NMOC — National Meteorological Operations Centre
• ROTD — Rotated
• ALG — Along
• MST — Meteorological Support Teams
• LMTD — Limited
• SEL — Severe Thunderstorm Watch, Tornado Watch
• PPINE — Plan Position Indicates No Echoes
• DP — Deep
• BRKS — Breaks
• LN — Line Network
• REPLS — Replaces
• NWSEO — National Weather Service Employees Organization
• CS — Combined Shear
• YLSTN — Yellowstone
• UNSBL — Unseasonable
• UNEC — UnNECessary
• SLT — Sleet
• WKNG — Weakening
• FLG — Falling
• ENCTR — Encounter
• DURG — During
• LAN — Inland
• NWWS — NOAA Weather Wire System
• SCT — Scattered
• RGD — Ragged
• THNST — Thinnest
• OSD — Office of Systems Development
• FROSFC — Frontal Surface
• WINT — Winter
• CVRG — Covering
• DSIPT — Dissipate
• DUR — Duration
• SCTD — Scattered
• HCVIS — High Clouds Visible
• RPRTS — Reports
• RHINO — RHI not operative
• SPDS — Speeds
• RUFLY — Roughly
• UNREL — Unreliable
• STBL — Stable
• EXCP — Except

• UNUSBL — Unusable
• NNWWD — North-Northwestward
• BD — Blowing Dust
• GNDFG — Ground Fog
• ADVCTS — Advects
• VLNTLY — Violently
• SPD — speed of pupillary dilation
• SIMUL — Simultaneous
• OCNL — Occasional
• MMS — METEOROLOGICAL MEASURING SYSTEM
• WDI — Wind Direction Indicator
• RMNS — Remains
• CWF — Combat Weather Flight
• WNWWD — West-Northwestward
• SAOS — Surface Observations
• ESTAB — Establish
• UNRSTD — Unrestricted
• NESDIS/SAB — National Environmental Satellite, Data and Information Service/Satellite Analysis Branch
• KM — Kilometers to Miles
• USWRP — United States Weather Research Program
• STNRY — Stationary
• QPF — Quantitative Precipitation Forecast
• FOUS — Forecast Output United States
• GLFCAL — Gulf of California
• MULT — Multiple
• STP — Storm Total Precipitation
• MTU — Metric units
• OHD — Overhead
• GOM — Global Ocean Model
• ZL — Freezing Drizzle
• SNWFL — Snowfall
• PSBL — Possible
• WIMS — Weather Information Management System
• SWB — South-Westbound
• BRKSHR — Berkshire
• OCRS — Occurs
• AFCT — affect
• MLTLVL — Melting Level
• ETC — Echo Tops Contour
• DFRS — Differs
• OCWWS — Office of Climate, Water and Weather Services
• NAVTEX — Navigational Telex
• CVRD — Covered
• VFYG — Verifying
• SAO — Surface observation
• SSWLY — South-Southwesterly
• VA — Volcanic Ash
• CG — Cloud-Ground Lightning
• TWEB — Transcribed Weather Broadcast
• NOWS — NVG Operations Weather Software

• INCLD — Included
• FLN — National Flood Summary
• RESTR — Restrict
• TRNSPG — Transporting
• OFSHR — Offshore
• NWSH — National Weather Service Headquarters
• URG — Urgent
• VFYS — Verifies
• ESF — Flood Potential Outlook
• WETM — Weather Team
• USACE — Unites States Army Corps of Engineers
• RAMSDIS — RAMM Advanced Meteorological Satellite Demonstration and Interpretation System
• METMFR — Meteorological Mobile Facility Replacement
• IWRS — Improved Weather Reconnaissance System
• INLD — Inland
• TEMPO — Temporary
• SPOT — Spot Wind
• OU — University of Oklahoma
• WST — Weather Support Team
• ESTS — Estimates
• ISOLD — Isolated
• CHGD — Changed
• GRAD — Gradient
• THTNS — Threatens
• G — Gust
• VGF — Virtual Graphics File
• DSNT — Distant
• UNRELBL — Unreliable
• NMRS — Numerous
• WSFO — Weather Service Forecast Office
• VORT — Vorticity
• SUPG — Supplying
• MSTLY — Mostly
• APPR — Appear
• SIGMET — Significant Meteorlogical Information
• JTSTR — Jet Stream
• RAG — Ragged
• RPLCS — Replaces
• ESNTL — Essential
• CSTL — Coastal
• NOWCAST — Short Term Forecast
• EPSCOR — Experimental Program for the Stimulation of Competitive Research
• CWS — Combat Weather Squadron
• VCOT — VFR Conditions on Top
• LIVV — Lifted Index Vertical Velocity
• BCMG — Becoming
• GLFSTLAWR — Gulf of St. Lawrence
• SPRD — Spread
• GTG — Graphical Turbulence Guidance
• RVR — River Recreation Statement

• STNR — Stationary
• DSNDS — Descends
• STFR — Stratus Fractus
• DVLP — Develop
• MRGL — Marginal
• VDUC — VAS Data Utilization Center
• WL — will
• LWRD — Lowered
• EMWIN — Emergency Managers Weather Information Network
• FFA — Flood Frequency Analyses
• PIBAL — pilot-balloon observation
• ARSI — Atmospheric Research System, Inc.
• TSIP — Thundersleet
• PLNS — Plains
• SUPR — Superior
• MDS — Meteorological Distribution System
• LWRG — Lowering
• HOL — Holiday
• TAMU — Tropical Aviation Meteorological Unit
• DLA — Delay
• DCRG — Decreasing
• RVI — River Ice Statement
• MAY — Mayaro
• FG — Foggia
• MCD — Mesoscale Discussion
• RCRD — Record
• NIL — None
• CW — Cloud-Water Lightning
• RCS — Reflectivity Cross Section
• DWSW — Deployable Weather Satellite Workstation
• CAPPI — CONSTANT ALTITUDE PPI
• TOFS — Tactical Observing & Forecasting System
• YDA — Yesterday
• DPNS — Deepens
• THD — Thunderhead
• NWR — NOAA Weather Radio
• PVL — Prevail
• BNTH — Beneath
• RMTN — Regional Meteorological Telecommunications Network
• RES — Reserve
• DFCLT — Difficult
• CHGS — Changes
• NAOS — North American Atmospheric Observing System
• NWRN — Northwestern
• METMF — Meteorological Mobile Facility
• EMERG — Emergency
• VLCTY — Velocity
• SWAFS — Space Weather Analysis and Forecasting System
• PROG — Forecast
• NEWD — Northeastward

• WKDAY — Weekday
• RSMC — Regional/Specialized Meteorological Centers
• NBRHD — Neighborhood
• SCND — Second
• CWA — Center Weather Advisory - CWSU
• CONTG — Continuing
• SWLG — Swelling
• HMT — Hydrometeorological Technicians
• OCRG — Occurring
• HLF — Half
• SRRS — Systems Record Retention System
• LIS — Lifted indices
• STM — Storm
• FTHR — Further
• SSERN — South-Southeastern
• MOV — Move
• TMPRY — Temporary
• ETIM — ELAPSED TIME
• TUE — Tuesday
• NPRA — National Performance Results Act
• SB — Southbound
• TRIB — Tributary
• AQI — Air Quality Statement
• SSEWD — South-Southeastward
• RADAT — RADiosonde Observation Data
• HLSTO — Hailstones
• UNSTDY — Unsteady
• ASIST — Aviation Safety Investment Strategy Team
• BGNG — Beginning
• WRS — Worse
• RLTV — Relative
• HP — High Precipitation
• ARND — Around
• FNTGNS — Frontogenesis
• SNW — Snow
• SPRL — Spiral
• FRWF — Forecast Wind Factor
• SHARP — Skew-T Hodograph Analysis and Research Program
• UKMETO — United Kingdom Meteorological Office
• RGLR — Regular
• RCHG — Reaching
• CAPS — Center for Analysis and Prediction of Storms
• CRNRS — Corners
• OCRD — Occurred
• HDFRZ — Hard Freeze
• TRBL — Trouble
• INCRD — Increased
• PNS — Public Information Statement
• LINUX — UNIX-like computer operating system
• OPS-II — Operational Weather Squadron Production System II

• WKN — Weaken
• DISC — Discontinue
• EMBDD — Embedded
• PO — Dust devils
• SIGWX — Significant Weather
• R — Reduction
• M — Mach number
• IDS — International Data Service
• ORGPHC — Orographic
• HPA — Hectapascal
• REQS — Requests
• AWT — Awaiting Test
• OCLDG — Occluding
• SFD — STATE FORECAST DISCUSSION
• SBSDNC — Subsidence
• DMGG — Damaging
• VSBYDR — Visibility Decreasing Rapidly
• PRJMP — Pressure Jump
• NWSTG — National Weather Service Telecommunications Gateway
• WDSPRD — Widespread
• CYCLGN — Cyclogenesis
• BCMS — Becomes
• MMS-P — Meteorological Measuring System-Profiler
• ZFP — Zone Forecast Product
• DNWND — Down wind
• CLRS — Clears
• LSQ — Line Squall
• CPHC — Central Pacific Hurricane Center
• SSWRN — South-Southwestern
• ENE — east-northeast
• LTLCG — Little Change
• HV — Have
• DCRD — Decreased
• SHARS — Subtle Heavy Rainfall Signature
• SPS — Special (Weather) Statement
• SEV — Severe
• CMFC — Coordinating METOC Forecast Center
• TWRG — Towering
• NNWRN — North-Northwestern
• VCS — Velocity Cross Section
• PVLS — Prevails
• AHOS — Automatic Hydrologic Observing System
• SOO — Scientific Operations Officer
• SYNOP — Synoptic
• SPRDS — Spreads
• PLVL — Present Level
• ITT — Information Technology Team
• OVTKG — Overtaking
• SVRL — Several
• HUREP — Hurricane Report

• HUD — Housing and Urban Development, U.S. Department of
• FNTLYS — Frontolysis
• CNIF — Calibration Network Information Files
• TFS — Tactical Forecast System
• HYR — Higher
• SNST — Sunset
• PCD — Proceed
• LGTR — Lighter
• OVTKS — Overtakes
• GRDL — Gradual
• STWDSR — Surface Transportation Weather Decision Support Requirements
• SRY — Secondary
• SQSN — Snow Squalls
• NWP — Numerical Weather Predication
• OMTNS — Over Mountains
• GICG — Glaze Icing
• CWF — Coastal Marine Forecasts
• SHLW — Shallow
• XTRMLY — Extremely
• SA — Surface observation
• NIDS — NEXRAD Information Distribution Service
• SDM — Station Duty Manual
• ROT — Rotate
• ERD — Excessive Rainfall Discussion
• TURBC — Turbulence
• CLDNS — Cloudiness
• TRMTG — Terminating
• MCDW — Monthly Climatic Data of the World
• RGNS — Regions
• HIGH — HIGHLAND
• CHC — Chance
• WSWWD — West-Southwestward
• CCA — Corrected meteorological message
• RDVLPG — Redeveloping
• NIDS — NEXRAD Information Dissemination Service
• OHP — One-Hour Rainfall Rate
• INTR — Interior
• SFP — State Forecast Product
• UPSTRM — Upstream
• RVSG — Revising
• HIC — Hydrologist In Charge
• SBSDS — Subsides
• UPSLP — Upslope
• ROTG — Rotating
• EVE — Evening
• CHCS — Chances
• DNS — Dense
• MAY — Maysville
• UNSTL — Unsettle
• GDS — GeoMet Data Services, Inc.

• RMND — Remained
• CSC — Combined Shear Contour
• TRPCL — Tropical
• FRMN — Formation
• AFT — After
• PIBALS — Pilot Balloon Reports
• TOVC — Top of Overcast
• PRBLTY — Probability
• MESO — Mesoscale Convective Unit
• ROB — Radar Coded Observation
• IC — In-Cloud Lightning
• CCLDS — Clear of Clouds
• DLAD — Delayed
• PMD — Prognostic Discussion
• NPSU — National Public Service Unit
• TRMT — Terminate
• CNVG — Converge
• OCLD — Occlude
• PDMT — Predominant
• TCE — Tropical Cyclone Position Estimate
• MRF — Medium-Range Forecast Model
• CSDRBL — Considerable
• BATROP — Barotropic
• SSHP — Site Specific Hydrologic Prediction System
• SND — Sanderson
• RTRN — Return
• LDM — Local Data Manager
• AMDD — Amended
• SWD — Southward
• DLTG — Deleting
• PSH — Preliminary Tropical Storm Report
• NPRS — Nonpersistent
• MSTR — Moisture
• EFCT — Effect
• SA — Sand
• SSW — South Southwest
• HPC — Weather Prediction Center
• ICE — icing
• MRNG — Morning
• WRMFNT — Warm Front
• TSHWR — Thundershower
• WINDS — Weather Information and Display System
• PPSN — Present Position
• WWS — Severe Weather Watches
• MDT — Moderate
• PVLD — Prevailed
• VSA — By Visual Reference to the Ground
• SMA — Soil Moisture Accounting Model
• QPFSPD — Nmc Special Precipitation Discussion
• WKNS — Weakens

• NS — Nimbostratus
• SDM — Senior Duty Meteorologist
• RDVLPMT — Redevelopment
• VSBYIR — Visibility Increasing Rapidly
• PWS — Precipitable Waters
• NWB — North-westbound
• GSTY — Gusty
• WPLTO — Western Plateau
• IPVG — Improving
• RSTRS — Restricts
• HLS — Hurricane Local Statement
• HLTP — Hilltop
• NWD — Northward
• HWO — Severe Weather Potential Statement
• ESS — Water Supply Outlook Product
• DCRS — Decreases
• DWPNT — Dewpoint
• SELS — SEvere Local Storms Unit
• STG — Strong
• ASMD — As amended
• TPG — Topping
• VAAC — Volcanic Ash Advisory Centers
• WEA — Weather
• VRG — Veering
• LO — Lower Order
• QPFERD — Nmc Excessive Rainfall Discussion
• NNERN — North-Northeastern
• FFA — Flood
• HIER — Higher
• ESP — Extended Streamflow Prediction
• SLGTLY — Slightly
• SMW — Special Marine Warning
• PSCZ — Puget Sound Convergence Zone
• QPFPFD — Ncep Precipitation Forecast Discussion
• STMS — Storms
• UWNDS — Upper Winds
• TDA — Today
• TRMTS — Terminates
• RLBL — Reliable
• COR — Corrected/Correction
• WRMST — Warmest
• TWR — Tactical Weather Radar
• SMLR — Smaller
• TDU — Techniques Development Unit
• OPA — Opaque, white type of ice formation
• GFA — Graphical Area Forecast
• SWRN — Southwestern
• NCWD — National Convective Weather Diagnostic
• ROTS — Rotates
• TACWX — Tactical weather

• DKTS — Dakotas
• AMS — Air mass
• MISG — Missing
• WTRS — Waters
• DU — Dust
• UNA — Unable
• PRC — Planning and Research Corporation
• XCP — Except
• WNWRN — West-Northwestern
• STGR — Stronger
• WSWRN — West-Southwestern
• WNDS — Winds
• INTS — intense
• TNDCYS — Tendencies
• PRSTS — Persists
• TNDCY — Tendency
• PDS — Periods
• THN — Thin
• XTNDG — Extending
• WSR-88D — Weather Surveillance Radar - 1988 Doppler
• UNSATFY — Unsatisfactory
• CWA — County Warning Area
• PTNLY — Potentially
• WSTCH — Wasatch Range
• LRGR — Larger
• SOO — Scientific and Operations Officer
• PTNS — Portions
• THNR — Thinner
• XTND — Extend
• PRIND — Present indications are
• PLTO — Plateau
• MX — Mixed Type of Ice Formation
• ESE — East-southeast
• OCLDS — Occludes
• SUGS — Suggests
• TWDS — Towards
• REP — Report
• RCMDS — Recommends
• SCSL — Standing lenticular stratocumulus
• THTN — Threaten
• G — Green time
• OVRNG — Overrunning
• THTND — Threatened
• RUF — Rough
• SMTHR — Smoother
• CVRS — Covers
• NWSO — National Weather Service Office
• DUC — Dense Upper Cloud
• WIE — With Immediate Effect
• FIP — Forecast Icing Potential

• FLS — River Flood Statement
• CR — Composite Reflectivity
• TAP — Transition Aviation Project
• QN — Question
• SRR — Storm Relative Mean Radial Velocity Region
• SUPSDG — Superseding
• MET — Meteorology
• SHLD — SHieLD
• RDGG — Ridging
• WRM — Warm
• DPR — Deeper
• KU — University of Kansas
• EBND — East bound
• CST — Coast
• TRKG — Tracking Corporation (OTC Bulletin Board [OTCBB])
• SUNYA — State University of New York, Albany
• EIF — Enhanced IFLOWS Format
• VSB — Visible
• WFOS — Weather Forecast Offices
• OCR — Occurrence
• RNFL — Rainfall
• SWA — Severe Weather Analysis
• POP — Precipitation Probability
• WRMG — Warming
• HIC — Hydrometeorological Information Center
• PSG — Passage
• TRW — Thunderstorm
• VRS — Veers
• DS — Dust Storm
• TSRA — Thunderstorm with rain
• NL — No layers
• JWIS — Joint Weather Impacts System
• WKST — Weakest
• SVR — Severe
• CNVTN — Convection
• SCC — Tropical Storm Summary
• USBL — Usable
• RCVS — Receives
• SEB — South-eastbound
• WTSPTS — Waterspouts
• CSI — Critical Success Index
• XTNDD — Extended
• USFS — U.S. Forest Service
• ENTR — Entire
• TWEB — Transcribed Weather En route Broadcast
• STI — Storm Tracking Information
• APPRS — Appears
• TSHWRS — Thundershowers
• VARN — Variation
• SSELY — South-Southeasterly

• THKST — Thickest
• RCHS — Reaches
• WRMFNTL — Warm Frontal
• SLPG — Sloping
• RSIS — Rs Information Services, Inc.
• VOMIT — VIL Of the Moment In Time
• DSA — Special Tropical Disturbance Statement
• MOS — Model Output Statistics applications
• NSH — Nearshore Lake Forecast
• PFD — QPF Discussion
• HIGH — High Core Threshold
• MOGR — Moderate, or Greater
• HSB — Hydrologic Systems Branch in the Office of Hydrology
• SPECIAL — Special Meteorological Report
• SWR — State Weather Roundup
• SRM — Storm Relative Mean Radial Velocity Map
• TYP — Type of Aircraft
• UKMET — United Kingdom Meteorological Agency
• SMTHST — Smoothest
• CSDR — Consider
• PVLT — Prevalent
• QSTNRY — Quasistationary
• NOW — Short Term Forecast
• TWS — Tropical Weather Summary
• SPKL — Sprinkle
• SQLN — Squall Line
• CBS — Cumulonimbi
• XPCG — Expecting
• TCP — Public Tropical Cyclone Advisory
• TRSN — Transition
• WSOM — National Weather Service Operations Manual
• MET — Meteorological Teams
• SWP — Severe Weather Probability
• N-AWIPS — National Centers-AWIPS
• DALGT — Day light
• SX — Stability Index
• WSDDM — Weather Support to Deicing Decision Making
• SWS — Severe Weather Statement
• SPF — Probability of Tropical Cyclone Conditions
• WBND — West Bound
• REC — Recreation Report
• DTRTS — Deteriorates
• NWFO — National Weather Service Forecast Office
• SCS — Spectrum Width Cross Section
• LP — Low Precipitation
• TWO — Tropical Weather Outlook
• TL — Till
• TS — Thunderstorm without precipitation
• WRMR — Warmer
• SNOINCR — Snow increase

• TCM — Tropical Cyclone Forecasts/Advisory
• SNOTEL — Snow Telemetry
• SWWD — Southwestward
• TCU — tropical cyclone update
• WER — WEAK ECHO REGION
• UN — Unable
• SLOR — Slower
• SWI — Showalter Index
• SLS — Watch Redefining Statement
• VVSTORM — model-based convection algorithm
• WKR — Weaker
• THP — Three-Hour Rainfall Rate
• SPA — Subtropical Cyclone Public Advisory
• TEN — Theta-e Index
• TSQLS — Thundersqualls
• XPCS — Expects
• TEND — Trend forecast

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