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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
• 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
• DLTD — Deleted
• ASAP — As Soon As Possible (pronounced AY-sap)
• LCLY — Locally
• FAR — Federal Aviation Regulation
• MSG — Message
• WAC — World Aeronautical Chart
• PLS — Please
• AAL — Above Aerodrome Level
• RVR — Runway Visual Range
• S — South
• Y2K — Year 2000
• ATTN — Attention
• FIRAV — First Available
• MOA — Memorandum Of Agreement
• FEMA — Federal Emergency Management Agency
• F SCALE — See Fujita Scale
• FYI — For Your Information
• SMS — Synchronous Meteorological Satellite
• ASL — Above Sea Level
• J/KG — Joules per Kilogram
• ATA — Area Transportation Authority
• AGL — Above Ground Level
• MPH — Miles Per Hour
• NNNN — End of Message
• USAF — United States Air Force
• RF — Radio Frequency
• WWW — World Weather Watch
• ICAO — International Civil Aviation Organization
• E — East
• B- — Convective Inhibition
• DEC — December
• BLDU — Blowing Dust (METAR Code)
• AL — Alabama
• RFP — Request For Proposal
• C — Center
• ETA — Eta model
• FAA — Federal Aviation Administration
• MIL — Military

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

• W — West
• CA — California
• AGC — Automatic Gain Control
• INU — Inertial Navigation Unit
• VHF — Very High Frequency
• MID — Middle
• B — Blue
• FAA/AWR — Federal Aviation Administration/Aviation Weather Research Division
• ADJ — Adjacent
• LA — Louisiana
• LAT — Latitude
• T. D. — Tropical Depression
• NOTAM — Notice to Airmen
• XPCD — Expected
• AMT — Amount
• DTG — Date-Time Group
• CW — Continuous Wave
• SYS — System
• RCV — Receive
• NM — Nautical Mile
• RFI — Radio Frequency Interference
• CRS — Course
• BTWN — Between
• NSF — National Sanitation Foundation
• AR — Arkansas
• MCW — Modulated Continuous Wave
• SWLY — Southwesterly
• NS — Nova Scotia
• MT — Mountain
• FIG — Figure
• GUI — Graphical User Interface (goo-ey)
• NTSB — US National Transportation Safety Board
• SIG — Signature
• MS — Mississippi
• NESDIS — National Environmental Satellite, Data, and Information Service
• SO — Southern Oscillation
• LTR — Later
• SH — Showers
• PRF — Pulse Repetition Frequency
• SS — Sandstorm
• ACT — Active
• MI — Michigan
• PSN — Position
• T.S. — Tropical Storm
• DC — District of Columbia
• DX — Duplex
• BRK — Break
• WV — Water Vapor
• X — Cross
• OPR — Operator

• OCT — October
• CT — Connecticut
• TC — Tropical Cyclone
• RPG — Radar Product Generator
• RH — Relative Humidity
• NXT — Next
• BR — Mist
• TNTV — Tentative
• NY — New York
• GND — Ground
• AK — Alaska
• FLD — Field
• PA — Pennsylvania
• PRIM — Primary
• COORD — Coordinate
• NATL — National
• POD — Probability Of Detection
• INFO — Information
• CONT — Continue
• DATANET — Hydrologic Data Network Analysis Software
• VAD — Velocity-Azimuth Display
• WO — Without
• METRO — Metropolitan
• ETC — Et Cetera
• OWS — Operational Weather Squadron
• MN — Minnesota
• SACSMA — Sacramento Soil Moisture Accounting Model
• ACK — Acknowledge (telecommunications; Cf. NAK)
• ND — North Dakota
• PW — Precipitable Water
• VOL — Volume
• CO — Colorado
• AFSS — Automated Flight Service Station
• ADR — Advisory Route
• VC — Vicinity
• VR — Veer
• LEN — Length
• VIP — Video Integrator and Processor
• OH — Ohio
• TAS — True Airspeed
• LTL — Little
• KY — Kentucky
• AMSL — Above Mean Sea Level
• AD — Aerodrome
• NE — Nebraska
• SMK — Smoke
• MTNS — Mountains
• Q — Quadrature
• NGT — Night
• UT — Utah

• WINTEM — Forecast upper wind and temperature for aviation
• FSS — Flight Service Station
• N-TFS — New Tactical Forecast System
• PDT — Product Development Team
• SFC — Surface
• RDA — Radar Data Acquisition
• MCS — Mesoscale Convective System
• FWD — Forward
• TMW — Tomorrow
• MO — Missouri
• NJ — New Jersey
• MED — Medium
• CVR — Cover
• RI — Rhode Island
• BL — Blowing (METAR descriptor)
• UNL — Unlimited
• MA — Massachusetts
• FL — Florida
• BLDG — Building
• LI — Lifted Index
• SML — Small
• T — Thunderstorm (weather reports)
• OR — Oregon
• ANS — Answer
• SAT — Saturday
• VT — Vermont
• AFD — Area Forecast Discussion
• FZFG — Freezing Fog
• M2/S2 — Meters squared per second squared
• RGT — Right
• FU — Smoke
• SD — South Dakota
• APR — April River Airport, April River, Papua New Guinea
• ARTCC — Air Route Traffic Control Center
• VOLMET — Meteorological information for aircraft in flight
• NV — Nevada
• TN — Tennessee
• PD — Period
• CD — Climatological Data
• AMDT — Amendment
• CFS — Cubic Feet per Second
• FM — From
• IA — Iowa
• WSR-57 — A NWS Weather Surveillance Radar designed in 1957
• LCL — Local
• IL — Illinois
• WNWLY — West-northwesterly
• NM — New Mexico
• OPMET — Operational Meteorological
• HR — Hour

• WB — Weather Bureau
• NEC — Necessary
• PVA — Positive Vorticity Advection
• WI — Wisconsin
• BCM — Become
• DOD — United States Department of Defense
• BHND — Behind
• ME — Maine
• WSW — West-southwest
• WI — Within
• LSR — Local Storm Report
• OML — Operations Manual Letter
• AFTN — Afternoon
• R — Required
• MUCAPE — Most Unstable CAPE
• WBZ — Wet-Bulb Zero
• BA — Braking Action
• FTE — Full-Time Employee
• CDM — Collaborative Decision Making
• WNW — West-northwest
• PY — Spray
• MPC — Marine Prediction Center
• SC — South Carolina
• CDC — Climate Diagnostics Center
• CI — Cirrus
• WRNGS — Warnings
• WV — West Virginia
• TOP — Cloud Top
• LYRS — Layers
• CONUS — Continental United States (48 Contiguous States and DC)
• LTGCG — Lightning Cloud-to-Ground
• CIG — Ceiling
• TURB — Turbulence
• WSWLY — West-Southwesterly
• SN — Snow
• RVSD — Revised
• WSFOS — Weather Service Forecast Offices
• RTE — Route
• SLP — Slope
• ALQDS — All Quadrants
• IR — Infrared
• SUGG — Suggesting
• FY — Fiscal Year
• RESP — Response
• FROPA — Frontal Passage
• CAVU — Ceiling And Visibility Unlimited
• VLCTYS — Velocities
• WSR-74 — A NWS Weather Surveillance Radar designed in 1974
• CU — Cumulus
• FFW — Flash Flood Warning

• BFR — Before
• VIL — Vertically-Integrated Liquid water
• AUG — August
• G — Green
• OBSCD — Obscured
• NEB — Nebraska
• CB — Cumulonimbus
• NNW — North-Northwest
• VRISL — Vancouver Island, BC
• ID — Idaho
• RA — Rain
• IMPT — Important
• FAA/ARW — Federal Aviation Administration/Aviation Requirements - Weather Group
• PIREP — Pilot (weather) Report
• WB — Westbound
• FFS — Flash Flood Statement
• NCO — NCEP Central Operations
• FA — Area Forecast
• CRC — Circle
• VOR — VHF Omnidirectional Range
• MIN — Minimum
• BND — Bound
• GR — Hail
• WSHFTS — Wind Shifts
• PRT — Pulse Repetition Time
• DDS — Domestic Data Service
• CONTS — Continues
• NC — North Carolina
• NOAA — National Oceanic and Atmospheric Administration (US)
• GSA — U.S. General Services Administration
• BM — Benchmarking
• UV — Ultraviolet (Light)
• LABRDR — Labrador
• UIR — Upper Flight Information Region
• NBAA — National Business Aviation Association, Inc.
• FFG — Flash Flood Guidance
• AC — Altocumulus
• THRU — Through
• TCU — Towering Cumulus
• OVR — Over
• CDA — Command and Data Acquisition
• OTR — Other
• AOB — At or Below
• REPL — Replace
• UCP — Unit Control Position
• PRESFR — Pressure Falling Rapidly
• SHFT — Shift
• AWHPS — Area Wide Hydrologic Prediction System
• NC — National Center
• AS — Altostratus

• NSSL — National Severe Storms Laboratory
• PC — Personal computer (host)
• EXTRAP — Extrapolate
• MOVD — Moved
• CS — Cirrostratus
• HZ — cycles per second (hertz)
• ST — Stratus
• WMC — World Meteorological Center
• AAAS — American Association for the Advancement of Science
• MAY — May Department Stores Company
• RPRT — Report
• TAF — Terminal Aerodrome Forecast
• T — Temperature
• LGTD — Lighted
• SNR — Signal-to-Noise Ratio
• POSLY — Positively
• TOR — Tornado Warning
• MST — Mosta
• SMG — Space Flight Meteorology Group
• DIST — Distance
• PM — post meridian
• ACFT — Aircraft
• BACLIN — Baroclinic
• IMC — Instrument Meteorological Conditions
• ALERT — Automated Local Evaluation in Real Time
• OBSCG — Obscuring
• DCP — Data Collection Platform
• CTGY — Category
• ADDS — Aviation Digital Data Service
• TDL — Techniques Development Laboratory
• SUPSD — Supersede
• NOSIG — No Significant Change
• PTNL — Potential
• PIXEL — Picture Element
• MAX — Maximum
• SWE — Snow Water Equivalent
• MIC — Meteorologist-In-Charge
• NLT — Not Later Than
• WUD — Would
• SUFLY — Sufficiently
• ALTHO — Although
• ARINC — Aeronautical Radio Incorporated
• DDS — Data Distribution System
• POS — Positive
• ROFOR — Route Forecast
• TNGT — Tonight
• NNICE — Neural Network for Icing
• CLR — Clear
• HWY — Highway
• HZ — Haze (METAR Code)

• NEGLY — Negatively
• CC — Cirrocumulus
• MCC — Mesoscale Convective Complex
• THRUT — Throughout
• EST — Estimate
• FC — Funnel Cloud
• PUGET — Puget Sound
• NTFYD — Notified
• IP — Ice Pellets
• AVN — Aviation Model
• IFR — Instrument Flight Rules
• RAOBS — Radiosonde Observations
• OFP — Occluded Frontal Passage
• NCAR/RAP — National Center for Atmospheric Research/Research Applications Program
• TKE — Turbulent Kinetic Energy
• STGST — Strongest
• CUFRA — Cumulus Fractus
• COMET — Cooperative Program for Operational Meteorology, Education and Training
• BINOVC — Breaks in overcast
• Z — Zulu (Greenwich mean time)
• FZRA — Freezing Rain (METAR Code)
• WS — Wind Shear
• FZDZ — Freezing Drizzle
• RVA — River Summary
• ATTM — At This Time
• CFO — Communication Filing Officer
• BT — Bathythermograph
• ACPT — Accept
• ABV — Above
• ACTV — Active
• APCHG — Approaching
• HI — High
• BKN — Broken
• SQ — Squall
• SMRY — Summary
• SEWD — Southeastward
• SPENES — Satellite precipitation estimate statement
• GEN — General Motors
• BRN — Bulk Richardson Number
• MICRO-ART — Microcomputer Automatic Radiotheodolite Master Control Unit
• RSG — Rising
• MNM — Minimum
• ADM — Administrative Messages
• TSFRD — Transferred
• UNAVBL — Unavailable
• WTSPT — Waterspout
• PUP — Principal User Processor (NEXRAD)
• MLW — Mean Low Water (nautical Charts)
• RTRNG — Returning
• C — Celsius

• FLUC — fluctuation
• DFNTLY — Definitely
• SG — Snow Grains (weather reports)
• WAMPS — Weather Automated Mission Planning Software
• LOT — Local Office Team
• OCS — Oklahoma Climatological Survey
• SRH — Storm-relative Helicity
• FAR — False Alarm Ratio
• COMPARD — Compared
• MVFR — Marginal Visual Flight Rules
• CHSPK — Chesapeake
• UPS — Uninterruptible Power Supply
• UTC — Coordinated Universal Time
• VAL — Valley
• DABRK — Daybreak
• AWT — Awaiting Trial
• NVA — Negative Vorticity Advection
• RPTS — Repeats
• SDF — Second-Day Feet
• RMNG — Remaining
• INP — If Not Possible
• BWER — Bounded Weak-Echo Region
• SW — South West
• TELCON — Telephone Conversation
• GFS — Global Forecast System
• BCFG — Fog Patches
• INCLS — Includes
• VV — Vertical Velocity
• GV — Ground Visibility
• SHUD — should
• RHI — Range-Height Indicator
• RVSS — Revises
• UFN — Until Further Notice
• NASA — National Aeronautics and Space Administration (US)
• SPKLS — Sprinkles
• TSTMS — Thunderstorms
• RAFS — Regional Analysis and Forecasting System
• EXER — Exercise
• HGT — Height
• DATACOL — The Software System that supports RFC gateway functions
• TSB — Technical Support Branch
• BCH — Beach
• EC — Environment Canada
• MWO — Meteorological Watch Office
• HJ — Sunrise to sunset
• KW — Kilowatt (one thousand watts) (measurement)
• AZ — Arizona
• WRN — Western
• MAR — March
• SHFTD — Shifted

• ACC — Area Control Center
• RW — Rain Shower
• PTLY — Partly
• DAMBRK — The Dam Break Forecasting Model
• SBLI — Lifted Index calculated using surfaced based parcel
• SHWRS — Showers
• AVG — Average Voltage Gain
• PRSTNC — Persistence
• ISA — International Standard Atmosphere
• CAVOK — conditions
• INTMT — Intermittent
• RCM — Radar Coded Message
• AOB — Aviation Operations Branch
• RTRND — Returned
• GOES — Geostationary Operational Environmental Satellite
• FT — Terminal Forecast
• TF — Terminal Forecast
• SLW — Slow
• PRSNT — Present
• IATA — International Air Transport Association
• BLDS — Builds
• CNTRS — Centers
• SHFTS — Shifts
• RQRS — Requires
• RSNS — Reasons
• WWD — Westward (weather reports)
• VLY — Valley
• MDFY — Modify
• CNCLD — Canceled
• TSFRS — Transfers
• DVRG — Diverge
• VLYS — Valleys
• SLD — Solid
• NSSFC — National Severe Storms Forecast Center
• FD — Winds and Temperatures Aloft Forecasts
• SLOLY — Slowly
• STF — Stratiform
• INS — Inertial Navigation System
• CPBL — Capable
• SHFTG — Shifting
• TRNSP — Transport
• DES — Descend
• ZNS — Zones
• CIP — Current Icing Potential
• ADQTLY — Adequately
• SE — Southeast
• DRFTG — Drifting
• TT — Total Totals
• OTRW — Otherwise
• AP — Airport

• WIP — Work In Progress (process)
• SHEFPARS — A software decoder for SHEF Data
• CNFDC — Confidence
• USGS — United States Geological Survey (DOI)
• OAC — Oceanic Area Control Center
• LTGCC — Lightning Cloud-to-Cloud
• UVV — Upward Vertical Velocity
• NAT — North Atlantic
• SMPDBK — The Simplified Dam Break Model
• SRN — Southern
• SBCAPE — CAPE calculated using a Surface based parcel
• ADA — Advisory Area
• TOPS — Tops
• PNHDL — Panhandle
• TACMET-MOD — Tactical Meteorological Observing System Modification
• RSNG — Reasoning
• QPFHSD — Ncep Heavy Snow Discussion
• SBSDD — Subsided
• GEMPAK — General Environmental Meteorological Package
• THKNG — Thickening
• ALSTG — Altimeter Setting
• OFC — Office
• EV — every
• RLTVLY — Relatively
• ZN — Zone
• RTRNS — Returns
• FCST — Forecast
• THR — Threshold
• CAT — Category (e.g. CAT-5 cable)
• DMSHG — Diminishing
• WMO — World Meteorological Organization (ICSU)
• NEG — NEGative
• DTRTD — Deteriorated
• MNT — Monitor
• INCL — Include
• BLM — Bureau of Land Management of United States Department of the Interior
• SPECI — Aviation selected special weather report
• RTD — Delayed
• INTSFYG — Intensifying
• STBLTY — Stability
• SEP — September
• CRCLC — Circulate
• TRPCD — Tropical Continental
• HSF — High Seas Forecasts
• INVOF — In vicinity of
• INTL — International
• MDS — Minimum Discernible Signal
• FCSTD — Forecasted
• SNFLK — Snow flake
• SD — Storm Data

• MORENET — Missouri Research & Education Network
• OSO — Office of Systems Operations
• CANAM — Canadian/American
• RCMDG — Recommending
• SRNDG — Surrounding
• TSFRG — Transferring
• LST — Local Standard Time
• SHRTWVS — Shortwaves
• SM — Statute Mile
• THKR — Thicker
• APRXLY — Approximately
• SGFNTLY — Significantly
• ROC — Rate of Climb
• CLEGLFGLS — Great Lakes Marine Synopsis
• SNGL — Single
• ARPT — Airport
• QG — An abbreviation for quasigeostrophic
• RPDLY — Rapidly
• FAM — Familiar
• SAW — Preliminary Notification of Forthcoming Watch
• CNTRD — Centered
• DVV — Downward Vertical Velocity
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• THK — Thick
• PRSNTLY — Presently
• RVF — River Forecast
• RCMDD — Recommended
• PRSTNT — Persistent
• ESPINIT — ESP Initialization Program
• RVS — Revise
• PSBLTY — Possibility
• ABNML — Abnormal
• GA — Georgia
• ADRNDCK — Adirondack
• IMDTLY — Immediately
• TIP — Until past
• AVBL — available
• RAM — Regional Area Meteorologist
• DIR — Directory
• SWODY2 — Day 2 Convective Outlook
• LONGL — Longitudinal
• PROGD — Forecasted
• AHOS-S — Automatic Hydrologic Observing System - Satellite
• DCS — Data Collection System (NOAA Polar Orbiting Satellites)
• LTST — Latest
• MAP — Mean Areal Precipitation
• TEMP — Temperature
• SPRDG — Spreading
• UPDFTS — Updrafts
• CSW — Committee for Space Weather

• AIRMET — AIRman's METeorological Information
• NELY — Northeasterly
• TROFS — Troughs
• CONS — Continuous
• HVYST — Heaviest
• RVS — River Statement
• XBT — expendable bathythermograph (oceanography)
• COND — Conditions
• AFDK — After Dark
• KPA — kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
• SWEAT INDEX — Severe WEAther Threat Index
• AFOS — Automation of Field Operations and Services
• PRECDG — Preceding
• UNKN — Unknown
• SWODY1 — Day 1 Convective Outlook
• PRECDS — Precedes
• AGRMT — Agreement
• SUP — Supply
• F — Degrees Fahrenheit
• DFNT — Definite
• LTGCCCG — Lightning cloud-to-cloud cloud-to-ground
• RCKYS — Rockies
• KLYR — Smoke Layer Aloft
• ADQT — Adequate
• INC — in cloud
• FCSTR — Forecaster
• PRECD — Precede
• RIOGD — Rio Grande
• RCRDS — Records
• AFCTG — Affecting
• CNCL — Cancel
• RTA — Remote to AFOS
• ECMWF — European Center for Medium-Range Weather Forecasting model
• PSBLY — Possibly
• VOR — VHF Omnidirectional Radio Range
• NOPAC — Northern Pacific
• BNDRYS — Boundaries
• DSF — Day-Second Feet
• INPR — in progress
• UNSTLD — Unsettled
• RECON — Reconnaissance
• TNTVLY — Tentatively
• 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
• SUBTRPCL — Subtropical

• NAV — Navigator
• KMH — Kilometers per hour
• VA — Virginia Ash
• ASSOCN — Association
• HAZ — Hazard
• SRNDD — Surrounded
• STFRM — Stratiform
• APRX — Approximate
• SHRTWV — Shortwave
• SNOINCRG — Snow increasing
• DSTC — Distance
• OM — Office of Meteorology
• MDFYD — Modified
• SRNDS — Surrounds
• IAO — In And Out
• THKNS — Thickness
• GOES — Geostationary Orbiting Environmental Satellite
• LN — Line
• CNCLG — Cancelling
• OUBD — Outbound
• CNL — Cancel
• BCKG — Backing
• SLD — Supercooled Large Drops
• CRCLN — Circulation
• GRID — Processed meteorological data in the form of grid point values
• CLEGLOCLE — Great Lakes Storm Outlook
• DVRGG — Diverging
• BLO — Below
• SWOMCD — SELS Mesoscale Discussion
• NMC — National Meteorological Center (US)
• PRODG — Producing
• ACTVTY — Activity
• ITCZ — Intertropical Convergence Zone (of Seawater)
• ANLYS — Analysis
• DAPM — The Data Acquisition Program Manager
• VMC — visual meteorological conditions
• GMDSS — Global Maritime Distress and Safety System (IMO)
• RGN — Region
• NSW — Nil Significant Weather
• DISRED — Disregarded
• IC — Ice Crystals
• UPS — United Parcel Service, Inc.
• YKN — Yukon
• IMPLS — Impulses
• CNCLS — Cancels
• EFF — Experimental Forecast Facility
• SPLNS — Southern Plains
• LIFR — Low Instrument Flight Rules
• NRN — Northern
• CLEGLSCLE — Great Lakes Storm Summary

• BECMG — Becoming
• DMNT — Dominant
• FIR — Flight Information Region
• ENHNC — Enhance
• ESELY — East-southeasterly
• CLEICEFBO — Great Lakes Ice Outlook for the Opening of Navigation
• ALGHNY — Allegheny
• CCL — Convective Condensation Level
• CNVGG — Converging
• PAC — Pacific Region
• WTR — Water
• BLKT — Blanket
• OTLK — Outlook
• LAM — Logical acknowledgment
• ERN — Eastern
• EXTRAPD — Extrapolated
• BLSN — Blowing Snow (METAR Code)
• ATCSCC — Air Traffic Control System Command Center
• ETD — Estimated Time of Departure
• LLWAS — Low Level Wind Shear Alert System
• NOHRSC — The National Operational Hydrologic Remote Sensing Center
• SFERICS — Atmospherics
• HRL — The Hydrological Research Laboratory
• ADVCTD — Advected
• COMPAR — Compare
• FLRYS — Flurries
• TMPRYLY — Temporarily
• NCAR — National Center for Atmospheric Research (US)
• STGLY — Strongly
• HRS — Hours
• HDG — Heading
• DLY — Daily
• CNTR — Center
• STN — Station
• ASSOCD — Associated
• ADVNG — Advancing
• SUPSDS — Supersedes
• APLCNS — Appalachians
• TRMM — Tropical Rainfall Measuring Mission (US-Japan)
• ADVYS — Advisories
• APPRG — Appearing
• KT — Knots
• NAP — NCEP Advisory Panel
• TAFB — Tropical Analysis and Forecast Branch
• CLEICEIO — Great Lakes 5-Day Ice Outlook
• DEP — Depart
• THNG — Thinning
• CSTAR — Collaborative Science, Technology and Applied Research
• DVLPD — Developed
• CONTRAILS — Condensation Trails

• PRECDD — Preceded
• BLKTG — Blanketing
• ENHNCMNT — Enhancement
• CDFNTL — Cold frontal
• AMPLTD — Amplitude
• SPCLY — Especially
• WIBIS — Will Be Issued
• BLKTS — Blankets
• MRGLLY — Marginally
• EXCLVLY — Exclusively
• AOPA — Aircraft Owners and Pilots Association
• AFTN — Air Force Television Network
• ACLTG — Accelerating
• ADVCTG — Advecting
• INSTF — Intensify
• BDRY — Boundary
• HIFOR — High Level Forecast
• CAEM — Commission for Aeronautical Meteorology (WMO)
• ADDN — Addition
• EL — Equilibrium Level
• THSD — Thousand
• SNBNK — Snow bank
• DSIPTG — Dissipating
• SR — Sunrise
• COMPARS — Compares
• FNTL — Frontal
• M — Mesocyclone
• INCRGLY — Increasingly
• DSIPTN — Dissipation
• SBSD — Subside
• FCSTG — Forecasting
• DLT — Delete
• SHRTLY — Shortly
• NTFY — Notify
• FVRBL — Favorable
• DWOPER — Dynamic Wave Routing Model
• MOVG — Moving
• DPND — Deepened
• NNELY — North-northeasterly
• NCWX — No Change in Weather
• UDDF — Up and Down Drafts
• MDFYG — Modifying
• IFLOWS — The Integrated Flood Observing and Warning System
• EVAD — Extended Velocity
• DIGG — Digging
• DSTBLZ — Destabilize
• TYPH — Typhoon
• UCAR — University Corporation for Atmospheric Research
• OCLN — Occlusion
• LFTG — Lifting

• XNG — Crossing
• PRVDD — Provided
• ACSL — Altocumulus Standing Lenticular
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• DBL — Double
• SATFY — Satisfactory
• LK — Lake
• CADAS — Centralized Automated Data Acquisition System
• EXPCD — Expected
• DSTBLZG — Destabilizing
• WA — Western Approaches
• JUN — June
• YR — Your
• ASC — Ascent to
• ACLTS — Accelerates
• PL — Ice Pellets or Sleet
• PRST — Persist
• DNSTRM — Downstream
• BLZD — Blizzard
• EXCLV — Exclusive
• ASOS — Automated Surface Observing System
• BRKSHRS — Berkshires
• MB — Millibar(s)
• VER — Vertical
• OCNLY — Occasionally
• NW — North West
• KMARD — Kansas Modernization and Restructuring Demonstration
• MOVMT — Movement
• ET — Electronic Technician
• INDCD — Indicated
• CNVGNC — Convergence
• WFP — Warm Front Passage
• LLJ — Low Level Jet stream
• AC — Anticipated Convection Outlook
• NHC — United States National Hurricane Center
• LRG — Large
• FPO — Flood Potential Outlook
• CDFNT — Cold Front
• LONG — Longitude
• RAOB — Radiosonde Observation
• DSTBLZD — Destabilized
• OUTFLO — Outflow
• SVG — Serving
• AFWA — Air Force Weather Agency
• ENELY — East-northeasterly
• APCHS — Approaches
• PROD — Produce
• CISK — Conditional Instability of the Second Kind
• PRBL — Probable
• RMNDR — Remainder

• MLOS — Microwave Line-Of-Site
• OBS — Observe
• DSIPTD — Dissipated
• APLCN — Appalachian
• VSBY — Visibility
• ACCAS — Altocumulus Castellanus
• CLEICEFBO — Great Lakes Freeze-Up Outlook
• ACCUM — Accumulate
• TDWR — Terminal Doppler Weather Radar
• DWNDFTS — Downdrafts
• WEF — With Effect From
• FORNN — Forenoon
• ABNDT — Abundant
• I — See inphase
• AFCTD — Affected
• INCRS — Increases
• PEN — Peninsula
• DTRTG — Deteriorating
• CNVTV — Convective
• VRB — Variable
• NNWLY — North-northwesterly
• OFF — Offshore Forecast
• FCSTS — Forecasts
• APRNTLY — Apparently
• FOS — FAMILY OF SERVICES
• LLWS — Low Level Wind Shear
• LEVEL — Level
• FST — First
• HDRAIN — An Hourly Digital Rainfall Product of the WSR-88D
• ACYC — Anticyclone
• MOVS — Moves
• EXTRMLY — Extremely
• CNVTVLY — Convectively
• ONSHR — Onshore
• DVLPG — Developing
• COE — Creek Corps of Engineers
• AZM — Azimuth
• ART — Automatic Radio Theodolite Master Control Unit As
• ELNGTD — Elongated
• ACLTD — Accelerated
• INTSTY — Intensity
• DVLPS — Develops
• ASAPTRAN — The software component of ASA
• ER — Here
• INCLG — Including
• AAA — Amended meteorological message
• PGTSND — Puget Sound
• PRES — Pressure
• MHKVLY — Mohawk Valley
• ERYR — Earlier

• MULTILVL — Multi-level
• EXPCG — Expecting
• NE — North-East
• DSTBLZN — Destabilization
• FQTLY — Frequently
• USBR — US Bureau of Reclamation
• SEQ — Sequence
• ESA — Electronic Systems Analyst
• INCRG — Increasing
• INTRP — Interrupt
• KS — Kansas
• AGFS — Aviation Gridded Forecast System
• ANBURS — Alphanumeric Backup Replacement System
• GRTST — Greatest
• DE — DELAWARE
• DNDFTS — Downdrafts
• NEXRAD — NEXt generation of weather RADar
• FRZG — Freezing
• BLDUP — Buildup
• VFY — Verify
• ENHNCD — Enhanced
• DISCG — Discontinuing
• TX — TEXAS
• DSIPTS — Dissipates
• BLSA — Blowing Sand (METAR Code)
• FRQ — Frequent
• UAB — Until Advised By
• DMSH — Diminish
• JUL — July
• DWPNTS — Dewpoints
• GSTS — Gusts
• CCSL — Cirrocumulus Standing Lenticular
• ALUTN — Aleutian
• LTGIC — Lightning in Cloud
• LCTMP — Little change in temperature
• NERN — Northeastern
• HDSVLY — Hudson Valley
• DCRGLY — Decreasingly
• COV — Cover
• DISREG — Disregarding
• ENRT — En Route
• FILG — Filling
• AVARS — Aircraft Vertical Acceleration Reporting System
• SEPN — Separation
• LGT — Light
• AWN — Automated Weather Network
• DEG — Degree
• EAA — Experiment Aircraft Association
• RUC — Rapid Update Cycle
• DRFTS — Drifts

• INDCS — Indicates
• EXTSV — Extensive
• FLW — Follow
• XTRM — Extreme
• OVNGT — Overnight
• LRGLY — Largely
• QBI — Compulsory IFR flight
• DFCLTY — Difficulty
• AWSS — Aviation Weather Sensor System
• DMSHD — Diminished
• AMIS — Automated Meteorological Information System
• EHI — Energy Helicity Index
• GRTLY — Greatly
• ENERN — East-northeastern
• ROBEX — Regional OPMET bulletin exchange
• NWSRFS V5.0 — National Weather Service River Forecast Model Version 5
• INTMTLY — Intermittently
• COMPARG — Comparing
• DVRGNC — Divergence
• CTWFC — CINC Target Weather Forecast Center
• DVRGS — Diverges
• DGNLLY — Diagonally
• HVYR — Heavier
• EXTDD — Extended
• LGRNG — Long Range
• CAFTI — Committee on Analysis and Forecast Techniques Implementation
• LTGCW — Lightning Cloud-to-Water
• PS — Plus
• DISCD — Discontinued
• HN — Sunset to sunrise
• EXTDG — Extending
• INTSFCN — Intensification
• NH — New Hampshire
• NFDRS — National Fire Danger Rating System
• NRCS — Natural Resources Conservation Service
• CNTRLN — Centerline
• EPV — Equivalent Potential Vorticity
• LTD — Limited
• EXC — Except
• EXTDS — Extends
• NCEP — National Centers For Environmental Prediction (form. NMC; NWS Center)
• CONTLY — Continually
• APRNT — Apparent
• WND — Windsor
• GENLY — Generally
• ATLC — Atlantic
• ENHNCG — Enhancing
• DSNDG — Descending
• POSS — Possible
• SQAL — Squall

• FREQ — Frequency
• ETA — Greek letter, describes a constant height coordinate model system
• GFDL — Geophysical Fluid Dynamics Laboratory (NOAA US)
• EMBD — Embedded in a layer
• INDCG — Indicating
• SWPC — Space Weather Prediction Center
• XPLOS — Explosive
• DSND — Descend
• OTW — Owning The Weather
• ROML — Regional Operations Manual Letter
• FEB — February
• GRDLY — Gradually
• ENHNCS — Enhances
• WAA — Warm Air Advection
• OAT — Outside Air Temperature
• THDR — Thunder
• VAS — VISSR Atmospheric Sounder
• ADL — Additional
• LRGST — Largest
• OSV — Ocean Station Vessel
• ADVIS — Headwater Advisory Program
• SYNS — Synopsis
• FCEXEC — A component of the NWSRFS FCST Program
• VISSR — visible and infrared spin scan radiometer (GOES)
• ENEWD — East-northeastward
• MNLND — Mainland
• ETA — estimating arrival
• T — Thunder
• FRST — Frost
• SARPS — Standards and Recommended Practices
• RTN — Return
• METOC — Meteorological and Oceanographic
• PUP — Principle User Processor
• DIFAX — Digital Facsimile
• OK — Oklahoma
• PRBLY — Probably
• CNTYS — Counties
• STLT — Satellite
• EXTRM — Extreme
• TR — Track
• WY — Wyoming
• GS — Small hail and snow pellets
• INTSFYD — Intensified
• LMTG — Limiting
• IOS — Integrated Operational Services
• ID — IDentifier
• DRFTD — Drifted
• BRG — Branching
• VRY — Very
• AMOS — Automated Meteorological Observing System

• MLLW — Mean Lower Low Water (nautical Charts)
• EPRI — Electric Power Research Institute (US)
• INTSFYS — Intensifies
• SPC — Storm Prediction Center
• CRNR — Corner
• MDTLY — Moderately
• USMC — United States Marine Corporation
• RMK — Remark
• DISRE — Disregard
• INOP — Inoperative
• WTU — Weather Technology Unit
• AOML — Atlantic Oceanographic and Meteorological Laboratory (Miami, Florida) (ERL)
• KBDI — Keetch-Byram Drought Index
• PPI — Plane Position Indicator
• CDB — Computing Development Branch
• AIV — Aviation Impact Variable
• DIV — Divert
• WSHFT — Wind Shift
• GRTR — Greater
• DEGS — Degrees
• NLY — Northerly
• DSTBLZS — Destabilizes
• DPTH — Depth
• SIERNEV — Sierra Nevada
• CAA — Cold Air Advection
• CMPLX — Complex
• MIDN — Midnight
• MDL — Model
• SHWR — Shower
• PSG — Passing
• ASB — Aviation Support Branch
• BLD — Build
• QFE — Atmospheric Pressure At Aerodrome Elevation
• IMT — immediate
• NEW ENG — New England
• MDCRS — Meteorological Data Communications and Reporting System
• CASC — Central Administrative Support Center
• ZE — Equivalent Radar Reflectivity
• PRI — Primary
• CLRG — Clearing
• NNE — North-North-East
• VRBL — Variable
• LEWP — Line Echo Wave Pattern
• MAN — Manitoba
• AGRS — Agrees
• SXNS — Sections
• ICGIP — Icing in Precipitation
• API — Antecedent Precipitation Index
• EMC — Environmental Modeling Center
• AWDS — Automated Weather Distribution System

• DNSLP — Downslope
• SERN — Southeastern
• VLNT — Violent
• ELSW — Elsewhere
• VRT MOTN — Vertical Motion
• NWP — Numerical Weather Prediction
• SHSN — Snow Showers (METAR Code)
• PRIN — Principal
• FSL — Forecast Systems Laboratory (a NOAA ERL)
• ESEWD — East-Southeastward
• SELY — Southeasterly
• CIN — Convective Inhibition
• OCFNT — Occluded Front
• RDR — Radar
• BAJA — Baja California
• PTCHY — Patchy
• SXN — Section
• SMWHT — Somewhat
• NLDN — National Lightning Detection Network
• CAWIS — Committee for Automated Weather Information Systems
• BASE — Cloud base
• RE — Recent
• ICG — Icing
• AMD — amend
• SASK — Saskatchewan
• RPT — Repeat
• DRG — During
• ERL — Environmental Research Laboratories (absorbed By OAR Or NOAA Research)
• LDG — Landing (aviation)
• ET — Echo Tops
• RDC — Reduce
• APSG — After passing
• MLLI — Mean Layer Lifted Index
• GAI — Global Atmospherics Inc
• ZR — Freezing Rain
• LGWV — Long Wave
• DBNET — Distributed Brokered Networking
• DNR — Department of Natural Resources
• RCH — Reach
• SSWWD — South-Southwestward
• NCDC — National Climatic Data Center
• LPATS — Lightning Position And Tracking System
• RPRTD — Reported
• BRM — Barometer
• AMPG — Amplifying
• RL — Report Leaving
• FRZN — Frozen
• ISOL — Isolate
• CPC — Climate Prediction Center (NWS Center)
• ARCUS — Arc Cloud

• MT — Montana
• VCTR — Vector
• FPM — Feet Per Minute
• OVC — Overcast (METAR Code)
• VIS — Visible
• PARL — Parallel
• RAFC — Regional Area Forecast Center
• SAWRS — Supplementary Aviation Weather Reporting Station
• WFO — Weather Forecast Office
• LLP — Lightning Location and Protection, Inc
• STDY — Steady
• AGN — Again
• PRVDS — Provides
• ACCID — Notification of an aircraft accident
• INTCNTL — Intercontinental
• FLG — Flashing
• MST — Meteorological Support Teams
• GAMA — General Aviation Manufacturers Association's
• SSE — South-Southeast
• INSTL — Install
• EUMETSAT — European Organization for the Exploitation of Meteorological Satellites
• RQRG — Requiring
• ADVY — Advisory
• FNTS — Fronts
• TSNT — Transient
• DRFT — Drift
• ALTM — Altimeter
• PROC — Procedure
• NSC — Nil Significant Cloud
• LV — Leaving
• ACLT — Accelerate
• WEFAX — Weather Facsimile
• COOR — Co-ordinate
• LVLS — Levels
• WK — Weak
• CUF — Cumuliform
• REQSTD — Requested
• SUG — Suggest
• HSA — Hydrologic Service Area
• EXTN — Extension
• TVS — Tornado Vortex Signature
• USWB — United States Weather Bureau
• PSND — Positioned
• TAWS — Tactical Acquisition Weather Software
• ELEV — Elevator
• IOVC — In Overcast
• DZ — Drizzle
• CONTDVD — Continental Divide
• FZ — Freezing
• DTRT — Deteriorate

• CVRG — Covering
• QUAD — Quadrant
• FIC — Flight Information Center
• CSI — Conditional Symmetric Instability
• TCNTL — Transcontinental
• MDLS — Models
• VVP — Volume Velocity Processing
• ADVCT — Advect
• SUPS — Supplies
• SPDS — Speeds
• INVRN — Inversion
• COT — At the Coast
• HVY — Heavy
• RQR — Require
• JAN — January
• SPD — Speed
• JMA — Japanese Meteorological Agency
• TWIP — Terminal Weather Information for Pilots
• SKC — Sky Clear
• PIREP — Pilot Report
• IPV — Improve
• UNSTBL — Unstable
• MC — Meteorological Codes
• STAGN — Stagnation
• NCWF — National Convective Weather Forecast
• LMTS — Limits
• ADVCTN — Advection
• BLKHLS — Black Hills
• CNDN — Canadian
• AMS — American Meteorology Society
• NWLY — Northwesterly
• FRM — Form
• RE — Regard
• BRF — Brief
• ADZ — Advise
• DVLPMT — Development
• REQ — Request
• CARIB — Caribbean
• VIL — Vertically Integrated Liquid
• BLW — Below
• ULJ — Upper-Level Jet
• FRMG — Forming
• RR — Report Reaching
• RSTRD — Restricted
• AMDG — Amending
• WCM — Warning Coordination Meteorologist
• DURN — Duration
• BYD — Beyond
• LKLY — Likely
• METAR — Meteorological Terminal Aviation Routine Weather Report

• AFW — Air Force Weather
• AOA — At or Above
• SCTR — Sector
• GLFALSK — Gulf of Alaska
• MEGG — Merging
• HDWND — Head Wind
• VFYS — Verifies
• RGL — Regional Model
• CFP — Cold Front Passage
• MARD — Modernization and Restructuring Demonstration
• CIGS — Ceilings
• CCLKWS — Counter-Clockwise
• TSFR — Transfer
• ATDTDCS — Automated Tone Dial Telephone Data Collection System
• PRESRR — Pressure Rising Rapidly
• NFLD — Newfoundland
• ESERN — East-Southeastern
• CHGD — Changed
• OVRN — Overrun
• WADL — West African Disturbance Line
• RPLCD — Replaced
• SRND — Surround
• CHGG — Changing
• APCH — approach
• HWVR — However
• SP — Snow Pellets
• NMBR — Number
• WDSPR — Widespread
• ADVS — Advisory Service
• MAREP — Marine Reporting Program
• IMPR — Improve
• CHGS — Changes
• NBND — Northbound
• AWC — Aviation Weather Center
• NML — Normal
• DELMARVA — Delaware-Maryland-Virginia
• OHD — Overhead
• CLA — Clear type of ice formation
• CGEN — Convective Sigmet Generation
• DMGD — Damaged
• ARR — Arrive
• PCPN — Precipitation
• REPLS — Replaces
• ATAD — Automated Telephone Answering Device
• OBST — Obstacle
• MTN — Mountain
• SWO — Staff Weather Officers
• HPD — Hourly Precipitation Data
• ARTYMET — Artillery Meteorological
• UPR — Upper

• NAVPACMETOCCEN — Naval Pacific Meteorology and Oceanography Center, Pearl Harbor, Hawaii
• MOD — moderate dysplasia
• VFYD — Verified
• AFCT — affect
• SLT — Sleet
• GEO — Geographic
• CASCDS — Cascades
• WMSCR — Weather Message Switching Center Replacement
• DFUS — Diffuse
• SLY — Southerly
• CRP — Critical Rainfall Probability
• ATWIS — Advanced Transportation Weather Information System
• CVRD — Covered
• VFYG — Verifying
• AGRD — Agreed
• FLN — National Flood Summary
• LYRD — Layered
• WED — Wednesday
• TRML — Terminal
• SUF — Sufficient
• PVLG — Prevailing
• MCIDAS — Man-computer Interactive Data Access System
• SAP — As soon as possible
• RFD — Rear Flank Downdraft
• BNDRY — Boundary
• ITWS — Integrated Terminal Weather System
• INTST — Intensity
• MPL — Max Parcel Level
• PRVDG — Providing
• RHINO — RHI not operative
• ISOLD — Isolated
• LTG — Lightning
• AAWU — Alaskan Aviation Weather Unit
• FRZ — Freeze
• GLFMEX — Gulf of Mexico
• WKEND — Weekend
• ASC — Aviation Services Coordinator
• GEOREF — Geographical reference
• PROGS — Forecasts
• LCTD — Located
• VLNTLY — Violently
• ADVN — Advance
• NMBRS — Numbers
• RCHD — Reached
• NAMIS — NATO Automated Meteorological Information System
• LKS — Lakes
• BGN — Begin
• ASH — Assistant Service Hydrologist
• SMTM — Sometime
• RPLCG — Replacing

• SUPG — Supplying
• FEW — Few
• SAOS — Surface Observations
• REPLD — Replaced
• NADIN — National Airspace Data Interchange Network
• ENDG — ending
• GRTLKS — Great Lakes
• CEM — Civil Emergency Message
• REPLG — Replacing
• OCRD — Occurred
• BRKS — Breaks
• RPLCS — Replaces
• RPTG — Repeating
• U/S — Unserviceable
• LOC — Local
• BDA — Bermuda Island
• DGNL — Diagonal
• WVS — Waves
• TROP — Tropopause
• FCMSSR — Federal Committee for Meteorological Services and Supporting Research
• OCLDD — Occluded
• TRMTD — Terminated
• OPN — Open
• SGFNT — Significant
• EXTD — Extend
• VCNTY — Vicinity
• MLCAPE — Mean Layer CAPE
• DSCNT — Descent
• SST — Sea surface temperature
• INTVL — Interval
• CYC — Cyclonic
• RPLC — Replace
• DFRS — Differs
• CLDS — Clouds
• NMOC — National Meteorological Operations Centre
• INTRMTRGN — Intermountain Region
• NR — Number
• EWD — Eastward
• SAO — Surface observation
• SSWLY — South-Southwesterly
• XS — Atmospherics
• RSTRG — Restricting
• THNST — Thinnest
• ICGIC — Icing in Clouds
• SCA — Small Craft Advisory
• ARFOR — Area Forecast
• BNTH — Beneath
• AFT — Afternoon
• LWRD — Lowered
• BGNG — Beginning

• DIF — Diffuse
• INLD — Inland
• NWRN — Northwestern
• GLFCAL — Gulf of California
• DP — Deep
• LWRG — Lowering
• RCVG — Receiving
• BGNS — Begins
• MAY — Mayaro
• FLWG — Following
• TPC — Tropical Prediction Center
• IFFDP — International Flight Folder Documentation Program
• BRKSHR — Berkshire
• TSTM — Thunderstorm
• WID — Width
• AWOS — Automated Weather Observation System
• INCR — Increase
• PQPF — probabilistic quantitative precipitation forecast
• LGTR — Lighter
• DOM — Domestic
• NAWAU — National Aviation Weather Advisory Unit
• INSTBY — Instability
• LYR — Layer
• CLKWS — Clockwise
• RPD — Rapid
• COM — Communications Society
• UVVS — Upward Vertical Velocities
• SHARP — Skew-T Hodograph Analysis and Research Program
• STNS — Stations
• WRNG — Warning
• UVM — Upward Vertical Motion
• WAFC — World Area Forecast Center
• STFR — Stratus Fractus
• NWWS — NOAA Weather Wire System
• WLY — Westerly
• ISCS — International Satellite Communications System
• PE — Ice pellets
• INCRD — Increased
• SIGMET — Significant Meteorlogical Information
• NCDB — NCEP Computer Development Branch
• CTSKLS — Catskills
• WND — Wind
• SKED — Schedule
• NATA — National Air Transportation Assoc.
• EB — Eastbound
• CSTL — Coastal
• WKN — Weaken
• TIL — Until
• HLYR — Haze Layer Aloft
• SLGT — Slight

• QUE — Quebec
• WIST — Weather Information for Surface Transportation
• BCMG — Becoming
• MS — Minus
• NEXRAD — Next-Generation Weather Radar (NWS)
• SS — Sunset
• SB — Southbound
• RDVLP — Redevelop
• DSNT — Distant
• HEL — Helicopter
• UNUSBL — Unusable
• NNWWD — North-Northwestward
• KFRST — Killing Frost
• ATMU — AIR TRANSPORTABLE MOBILE UNIT
• BFDK — Before Dark
• MON — Monday
• NAVTEX — Navigational Telex
• RCMD — Recommend
• PRVD — Provide
• LAN — Inland
• RGD — Ragged
• MSTLY — Mostly
• ESTAB — Establish
• CNTY — County
• TROF — Trough
• NEXRAD — Next Generation Weather Radar
• SUN — Sunday
• DCRD — Decreased
• ELNGT — Elongate
• AMP — Amplify
• DPNG — Deepening
• GOM — Global Ocean Model
• PHYS — Physical
• FNCTN — Function
• SHRT — Short
• MNLY — Mainly
• ROSA — Remote Observing System Automation
• NB — NorthBound
• SPOT — Spot Wind
• DCRG — Decreasing
• BTL — Between layers
• RUFLY — Roughly
• SCNDRY — SECONDARY
• TSIP — Thundersleet
• SBND — South bound
• APST — Aviation Products and Services Team
• ARSI — Atmospheric Research System, Inc.
• ERY — Early
• AFWIN — Air Force Weather Information Network
• TFU — Theater Forecast Unit

• NIL — None
• ADVCTS — Advects
• HYR — Higher
• CAPPI — CONSTANT ALTITUDE PPI
• ALF — Aloft
• IMPL — Impulse
• FAH — Fahrenheit
• SLO — Slow
• SSERN — South-Southeastern
• BAMS — Bulletin of the American Meteorological Society
• TSSN — Thundersnow
• GRDL — Gradual
• WDI — Wind Direction Indicator
• VORT — Vorticity
• APPR — Appear
• LDADS — Local Data Acquisition and Dissemination System
• FDR — Fire Danger Rating
• ALTA — Alberta
• CNTRL — Central
• SHEF — Standard Hydrologic Exchange Format
• OBSC — Obscure
• OVTK — Overtake
• GF — Ground Fog
• WIDA — Weather Impact Decision Aids
• CBMAM — Cumulonimbus Mammatus
• DSIPT — Dissipate
• FQT — Frequent
• WIMS — Weather Information Management System
• EPSCOR — Experimental Program for the Stimulation of Competitive Research
• STM — Storm
• FG — Fog Gun
• PO — Dust devils
• SUPR — Superior
• NAB — Not Above
• REQS — Requests
• UNRELBL — Unreliable
• SIMUL — Simultaneous
• OCNL — Occasional
• RCRD — Record
• ACARS — ARINC Communications Addressing and Reporting System
• GNDFG — Ground Fog
• QTP — Quality Through Partnership
• RCS — Reflectivity Cross Section
• SNST — Sunset
• PRJMP — Pressure Jump
• CG — Cloud-Ground Lightning
• AQI — Air Quality Statement
• TOFS — Tactical Observing & Forecasting System
• INTSFY — Intensify
• YDA — Yesterday

• FNT — Front
• DFCLT — Difficult
• RMN — Remain
• BRS — Branches
• EXP — Expect
• PROB — probability
• CLRS — Clears
• OSD — Office of Systems Development
• NAOS — North American Atmospheric Observing System
• FVT — Forecast Verification Tool
• SAMEX — Storm and Mesoscale Ensemble Experiment
• STNRY — Stationary
• MTW — Mountain Waves
• ARND — Around
• OU — University of Oklahoma
• YLSTN — Yellowstone
• DISC — Discontinue
• THU — Thursday
• MULI — Most Unstable Lifted Index
• CS — Combined Shear
• ESS — Water Supply Outlook Product
• ETC — Echo Tops Contour
• RWY — Runway
• HADS — Hydrometeorological Automated Data System
• NAWPC — National Aviation Weather Program Council
• MLTLVL — Melting Level
• NMRS — Numerous
• RES — Reserve
• SMTH — Smooth
• RTVS — Real Time Verification System
• DRZL — Drizzle
• ENSO — El Niño and Southern Oscilation
• RSN — Reason
• DCR — Decrease
• SEL — Severe Thunderstorm Watch, Tornado Watch
• HURCN — Hurricane
• FFA — Flood Frequency Analyses
• TWI — Twilight
• INTMD — Intermediate
• MCIDAS — Man Computer Interactive Data Acquisition System
• LN — Line Network
• CONTG — Continuing
• VWP — Velocity Azimuth Display Wind Profile
• DLTG — Deleting
• CLDNS — Cloudiness
• PDMT — Predominant
• FG — Foggia
• PLNS — Plains
• MDS — Meteorological Distribution System
• RSTR — Restrict

• NCCF — NOAA Central Computer Facility
• HCVIS — High Clouds Visible
• FTHR — Further
• ACRS — Across
• OCRS — Occurs
• WKNG — Weakening
• R — Reduction
• NAVMETOCCOM — Naval Meteorology and Oceanography Command
• HRZN — Horizon
• HPC — Weather Prediction Center
• WARP — Weather and Radar Processor
• JCTN — Junction
• BD — Blowing Dust
• AFT — After
• SIGMET — Significant Meteorological Advisory
• ROD — Rate Of Descent
• LWR — Lower
• DSNDS — Descends
• LO — Low
• BCMS — Becomes
• OHP — One-Hour Rainfall Rate
• DEV — Deviation
• WL — will
• DMGG — Damaging
• UNRSTD — Unrestricted
• IWEDA — Integrated Weather Effects Decision Aid
• SUB — Substitute
• FRWF — Forecast Wind Factor
• MMS — METEOROLOGICAL MEASURING SYSTEM
• IMDT — Immediate
• WNWWD — West-Northwestward
• TRNSPG — Transporting
• ROTG — Rotating
• RPRTG — Reporting
• RSTRS — Restricts
• CHCS — Chances
• NBRHD — Neighborhood
• SCND — Second
• ESNTL — Essential
• LFM — Limited Fine Mesh
• CNVG — Converge
• BPAA — Business Pilots Aircraft Association
• JTSTR — Jet Stream
• EMERG — Emergency
• PPINE — Plan Position Indicates No Echoes
• TEMPO — Temporary
• CSC — Combined Shear Contour
• NRLY — Nearly
• DLA — Delay
• HLTP — Hilltop

• ESTS — Estimates
• RPRTS — Reports
• SC — Stratocumulus (cloud formation)
• DKTS — Dakotas
• OVTKG — Overtaking
• SEV — Severe
• DNS — Dense
• TURBC — Turbulence
• CAAM — Computer Assisted Artillery Meteorology
• HMD — Hemispheric Map Discussion
• WAFS — World Area Forecast System
• STGR — Stronger
• PCD — Proceed
• THTNS — Threatens
• SPRD — Spread
• IDS — International Data Service
• MOV — Move
• MESO — Mesoscale Convective Unit
• DWPNT — Dewpoint
• RMNS — Remains
• WSFO — Weather Service Forecast Office
• NWP — Numerical Weather Predication
• XPC — Expect
• ROTD — Rotated
• PDS — Periods
• CBOFS — Chesapeake Bay Oceanographic Forecasting System
• PC-GRIDDS — Pc-Gridded Interactive Display and Diagnostic System
• HLSTO — Hailstones
• MRGL — Marginal
• INCLD — Included
• OCWWS — Office of Climate, Water and Weather Services
• WDSPRD — Widespread
• FRI — Friday
• SCT — Scattered
• RADAT — RADiosonde Observation Data
• RAG — Ragged
• PROG — Forecast
• EPD — Extended Forecast Discussion
• OCLD — Occlude
• MULT — Multiple
• FFA — Flood
• PNS — Public Information Statement
• LMTD — Limited
• TRMT — Terminate
• SMOOS — Shipboard Meteorological and Oceanographic Observing Sensor
• IWRS — Improved Weather Reconnaissance System
• SSWRN — South-Southwestern
• UPSLP — Upslope
• OFSHR — Offshore
• ASIST — Aviation Safety Investment Strategy Team

• FROSFC — Frontal Surface
• AHD — Ahead
• GSTY — Gusty
• WETM — Weather Team
• XTRMLY — Extremely
• SSHP — Site Specific Hydrologic Prediction System
• SWB — South-Westbound
• NGM — Nested Grid Model
• HOL — Holiday
• FRMN — Formation
• OTP — On Top
• SBSDNC — Subsidence
• EXCP — Except
• HUREP — Hurricane Report
• PWO — Public Severe Weather Outlook
• CNIF — Calibration Network Information Files
• INDEF — Indefinite
• MBRFC — Missouri Basin River Forecast Center
• RLBL — Reliable
• WWS — Severe Weather Watches
• MDT — Moderate
• DVLP — Develop
• QPFSPD — Nmc Special Precipitation Discussion
• INDC — indicate
• SBSDS — Subsides
• RDVLPG — Redeveloping
• PLTO — Plateau
• RGLR — Regular
• GICG — Glaze Icing
• WSP — Weather Systems Processor
• NWR — NOAA Weather Radio
• SMLR — Smaller
• OPA — Opaque, white type of ice formation
• IPVG — Improving
• PIBAL — pilot-balloon observation
• RDVLPMT — Redevelopment
• TRBL — Trouble
• STP — Storm Total Precipitation
• CRNRS — Corners
• QPF — Quantitative Precipitation Forecast
• WKDAY — Weekday
• WEA — Weather
• RMND — Remained
• NWD — Northward
• SCTD — Scattered
• THTNG — Threatening
• CDFS — Cloud Depiction and Forecast System
• UNSBL — Unseasonable
• WST — Weather Support Team
• SNWFL — Snowfall

• NNEWD — North-Northeastward
• CSDRBL — Considerable
• IIDA — Integrated Icing Diagnostic Algorithm
• THRFTR — Thereafter
• CW — Cloud-Water Lightning
• OVTKS — Overtakes
• INTS — intense
• MISG — Missing
• MCD — Mesoscale Discussion
• MWAVE — Mountain Wave Algorithm
• UNEC — UnNECessary
• NWSTC — National Weather Service Training Center
• GLFSTLAWR — Gulf of St. Lawrence
• HUD — Housing and Urban Development, U.S. Department of
• PRSTS — Persists
• SHLD — SHieLD
• SELS — SEvere Local Storms Unit
• SQSN — Snow Squalls
• RDGG — Ridging
• LCTN — Location
• DLAD — Delayed
• VDUC — VAS Data Utilization Center
• NOWS — NVG Operations Weather Software
• NS — Nimbostratus
• SSEWD — South-Southeastward
• COR — Corrected/Correction
• INBD — Inbound
• WDLY — Widely
• ASMD — As amended
• METMF — Meteorological Mobile Facility
• EBND — East bound
• NEWD — Northeastward
• ACPY — Accompany
• VRG — Veering
• UNSTDY — Unsteady
• CPHC — Central Pacific Hurricane Center
• WINT — Winter
• LTLCG — Little Change
• RAWS — Remote Automatic Weather Station
• DOH — Development and Operations Hydrologist
• VCY — Vicinity
• CWS — Combat Weather Squadron
• HLF — Half
• ROT — Rotate
• LDM — Local Data Manager
• GRAD — Gradient
• STBL — Stable
• HP — High Precipitation
• AMDAR — Automatic Meteorological Data And Reporting
• SWRN — Southwestern

• TAMU — Tropical Aviation Meteorological Unit
• METAR — Meteorological Aviation Report
• LINUX — UNIX-like computer operating system
• RGNS — Regions
• PSH — Preliminary Tropical Storm Report
• HIC — Hydrometeorological Information Center
• EFCT — Effect
• SA — Sand
• HIGH — HIGHLAND
• PTNS — Portions
• AWT — Awaiting Test
• OCLDG — Occluding
• ETIM — ELAPSED TIME
• FLG — Falling
• DMCC — DOE Meteorological Coordinating Council
• TRMTG — Terminating
• SPD — speed of pupillary dilation
• SVRL — Several
• FMT — Format
• PIBALS — Pilot Balloon Reports
• WNWRN — West-Northwestern
• TRMTS — Terminates
• MOGR — Moderate, or Greater
• ESE — East-southeast
• PVLD — Prevailed
• OCLDS — Occludes
• VSA — By Visual Reference to the Ground
• RVSG — Revising
• PRIND — Present indications are
• UKMETO — United Kingdom Meteorological Office
• CCLDS — Clear of Clouds
• NWSTG — National Weather Service Telecommunications Gateway
• PVL — Prevail
• AIRMET — Airman's Meteorological advisory
• TDO — Tornado
• NWB — North-westbound
• HV — Have
• G — Green time
• OFCM — Office of the Federal Coordinator for Meteorological Services and Supporting Research
• RUF — Rough
• DS — Dust Storm
• LSQ — Line Squall
• NESDIS/SAB — National Environmental Satellite, Data and Information Service/Satellite Analysis Branch
• VLCTY — Velocity
• FOUS — Forecast Output United States
• HDFRZ — Hard Freeze
• GDS — GeoMet Data Services, Inc.
• NACA — National Advisory Committee on Aeronautics
• NCWD — National Convective Weather Diagnostic
• HWO — Severe Weather Potential Statement

• AHOS — Automatic Hydrologic Observing System
• WKST — Weakest
• CMFC — Coordinating METOC Forecast Center
• ERD — Excessive Rainfall Discussion
• MRTM — Maritime
• EMBDD — Embedded
• FIAS — Flight Information Advisory Service
• NWSEO — National Weather Service Employees Organization
• RTRN — Return
• WTRS — Waters
• MESO — Mesoscale
• QN — Question
• XCP — Except
• DCRS — Decreases
• MET — Meteorology
• G — Gust
• CNVTN — Convection
• WSWWD — West-Southwestward
• PRC — Planning and Research Corporation
• TUE — Tuesday
• NPRA — National Performance Results Act
• GTG — Graphical Turbulence Guidance
• ENCTR — Encounter
• VCOT — VFR Conditions on Top
• ARAM — Aviation, Range and Aerospace Meteorology
• ORGPHC — Orographic
• PSCZ — Puget Sound Convergence Zone
• TMPRY — Temporary
• MRNG — Morning
• PRBLTY — Probability
• HND — Hundred
• IC — In-Cloud Lightning
• OMTNS — Over Mountains
• ALG — Along
• STG — Strong
• RCHG — Reaching
• PMD — Prognostic Discussion
• DPNS — Deepens
• SFP — State Forecast Product
• UPSTRM — Upstream
• ZFP — Zone Forecast Product
• TRIB — Tributary
• STNR — Stationary
• PPSN — Present Position
• CYCLGN — Cyclogenesis
• VA — Volcanic Ash
• VARN — Variation
• LO — Lower Order
• QPFERD — Nmc Excessive Rainfall Discussion
• WFOS — Weather Forecast Offices

• MTU — Metric units
• THKST — Thickest
• RCHS — Reaches
• THN — Thin
• KM — Kilometers to Miles
• RESTR — Restrict
• RSMC — Regional/Specialized Meteorological Centers
• VSBYIR — Visibility Increasing Rapidly
• NWSH — National Weather Service Headquarters
• EMWIN — Emergency Managers Weather Information Network
• CAPS — Center for Analysis and Prediction of Storms
• RLTV — Relative
• KU — University of Kansas
• RAMSDIS — RAMM Advanced Meteorological Satellite Demonstration and Interpretation System
• PSBL — Possible
• HIER — Higher
• RNFL — Rainfall
• BATROP — Barotropic
• NOWCAST — Short Term Forecast
• PTNLY — Potentially
• OCRG — Occurring
• SNW — Snow
• UNSTL — Unsettle
• NNWRN — North-Northwestern
• DUR — Duration
• FNTGNS — Frontogenesis
• CWA — Center Weather Advisory - CWSU
• DUC — Dense Upper Cloud
• SLGTLY — Slightly
• M — Mach number
• NPRS — Nonpersistent
• MSTR — Moisture
• PSG — Passage
• WINDS — Weather Information and Display System
• THNR — Thinner
• LRGR — Larger
• WRMG — Warming
• WSWRN — West-Southwestern
• FNTLYS — Frontolysis
• VGF — Virtual Graphics File
• DWSW — Deployable Weather Satellite Workstation
• HIGH — High Core Threshold
• WKNS — Weakens
• SUGS — Suggests
• TDA — Today
• ROB — Radar Coded Observation
• TNDCY — Tendency
• TSRA — Thunderstorm with rain
• TWDS — Towards
• REP — Report

• NRW — Narrow
• EVE — Evening
• SHARS — Subtle Heavy Rainfall Signature
• OVRNG — Overrunning
• THTND — Threatened
• DNWND — Down wind
• VSB — Visible
• NNERN — North-Northeastern
• ZL — Freezing Drizzle
• UNSATFY — Unsatisfactory
• USWRP — United States Weather Research Program
• WRS — Weather Reconnaissance Squadron
• WSR-88D — Weather Surveillance Radar - 1988 Doppler
• DTRTS — Deteriorates
• UKMET — United Kingdom Meteorological Agency
• ROTS — Rotates
• NWSO — National Weather Service Office
• RVI — River Ice Statement
• PVLS — Prevails
• NL — No layers
• SYNOP — Synoptic
• SPRDS — Spreads
• PLVL — Present Level
• REC — Recreation Report
• SWLG — Swelling
• SHLW — Shallow
• SND — Sanderson
• GFA — Graphical Area Forecast
• SDM — Station Duty Manual
• SRRS — Systems Record Retention System
• DU — Dust
• CSDR — Consider
• USBL — Usable
• SPRL — Spiral
• SUPSDG — Superseding
• PVLT — Prevalent
• WNDS — Winds
• WRMFNT — Warm Front
• TSHWR — Thundershower
• MXD — Mixed
• SIGWX — Significant Weather
• MCDW — Monthly Climatic Data of the World
• LIVV — Lifted Index Vertical Velocity
• SFD — STATE FORECAST DISCUSSION
• WTSPTS — Waterspouts
• TT — Teletype
• SRY — Secondary
• ENTR — Entire
• CWF — Combat Weather Flight
• TNDCYS — Tendencies

• RMTN — Regional Meteorological Telecommunications Network
• TWEB — Transcribed Weather Broadcast
• EXPC — Expect
• DURG — During
• NIDS — NEXRAD Information Dissemination Service
• INTR — Interior
• TPG — Topping
• SWAFS — Space Weather Analysis and Forecasting System
• XTNDG — Extending
• TRKG — Tracking Corporation (OTC Bulletin Board [OTCBB])
• CWF — Coastal Marine Forecasts
• SUNYA — State University of New York, Albany
• WRM — Warm
• APPRS — Appears
• SPS — Special (Weather) Statement
• HLS — Hurricane Local Statement
• SDM — Senior Duty Meteorologist
• KCFB — Kansas City Federal Building
• TDU — Techniques Development Unit
• MRF — Medium-Range Forecast Model
• SA — Surface observation
• FAX — Facsimile Transmission
• RSIS — Rs Information Services, Inc.
• LIS — Lifted indices
• AMDD — Amended
• UNREL — Unreliable
• ITT — Information Technology Team
• OPS-II — Operational Weather Squadron Production System II
• TRPCL — Tropical
• CWSU — Center Weather Service Unit
• WIE — With Immediate Effect
• TRSN — Transition
• NSH — Nearshore Lake Forecast
• HPA — Hectapascal
• CHC — Chance
• QPFPFD — Ncep Precipitation Forecast Discussion
• CCA — Corrected meteorological message
• MOS — Model Output Statistics applications
• CR — Composite Reflectivity
• TFS — Tactical Forecast System
• TOVC — Top of Overcast
• TRW — Thunderstorm
• MX — Mixed Type of Ice Formation
• HSB — Hydrologic Systems Branch in the Office of Hydrology
• DALGT — Day light
• RVR — River Recreation Statement
• HSD — Heavy Snow Discussion
• PWS — Precipitable Waters
• SPECIAL — Special Meteorological Report
• ENE — east-northeast

• RCMDS — Recommends
• SCSL — Standing lenticular stratocumulus
• ESF — Flood Potential Outlook
• USACE — Unites States Army Corps of Engineers
• WBND — West Bound
• NPSU — National Public Service Unit
• SMTHR — Smoother
• CVRS — Covers
• AMS — Air mass
• SVR — Severe
• SWA — Severe Weather Analysis
• SQLN — Squall Line
• CWA — County Warning Area
• SCC — Tropical Storm Summary
• SMTHST — Smoothest
• SRR — Storm Relative Mean Radial Velocity Region
• UNA — Unable
• RCVS — Receives
• NWFO — National Weather Service Forecast Office
• UWNDS — Upper Winds
• SMW — Special Marine Warning
• THD — Thunderhead
• QSTNRY — Quasistationary
• CSI — Critical Success Index
• XTNDD — Extended
• TWEB — Transcribed Weather En route Broadcast
• LP — Low Precipitation
• NOW — Short Term Forecast
• HIC — Hydrologist In Charge
• VSBYDR — Visibility Decreasing Rapidly
• TSHWRS — Thundershowers
• CST — Coast
• SSELY — South-Southeasterly
• DPR — Deeper
• FAWS — Flight Advisory Weather Service
• URG — Urgent
• WPLTO — Western Plateau
• THTN — Threaten
• TL — Till
• HMT — Hydrometeorological Technicians
• NIDS — NEXRAD Information Distribution Service
• CBS — Cumulonimbi
• WRMFNTL — Warm Frontal
• FIP — Forecast Icing Potential
• MAY — Maysville
• ICE — icing
• PFD — QPF Discussion
• N-AWIPS — National Centers-AWIPS
• POP — Precipitation Probability
• ESP — Extended Streamflow Prediction

• MET — Meteorological Teams
• TAP — Transition Aviation Project
• SX — Stability Index
• MMS-P — Meteorological Measuring System-Profiler
• STWDSR — Surface Transportation Weather Decision Support Requirements
• SPF — Probability of Tropical Cyclone Conditions
• WRS — Worse
• WRMST — Warmest
• TWS — Tropical Weather Summary
• METMFR — Meteorological Mobile Facility Replacement
• SPKL — Sprinkle
• EIF — Enhanced IFLOWS Format
• TACWX — Tactical weather
• WSTCH — Wasatch Range
• TWO — Tropical Weather Outlook
• JWIS — Joint Weather Impacts System
• SEB — South-eastbound
• FLS — River Flood Statement
• XTND — Extend
• SCS — Spectrum Width Cross Section
• WSDDM — Weather Support to Deicing Decision Making
• SWS — Severe Weather Statement
• SLOR — Slower
• SWI — Showalter Index
• SWR — State Weather Roundup
• SLPG — Sloping
• VOMIT — VIL Of the Moment In Time
• OCR — Occurrence
• TCE — Tropical Cyclone Position Estimate
• SOO — Scientific Operations Officer
• TWRG — Towering
• DSA — Special Tropical Disturbance Statement
• TS — Thunderstorm without precipitation
• WSOM — National Weather Service Operations Manual
• STMS — Storms
• TCP — Public Tropical Cyclone Advisory
• TCU — tropical cyclone update
• SPA — Subtropical Cyclone Public Advisory
• VRS — Veers
• WRMR — Warmer
• STI — Storm Tracking Information
• TCM — Tropical Cyclone Forecasts/Advisory
• SNOTEL — Snow Telemetry
• WKR — Weaker
• SNOINCR — Snow increase
• SRM — Storm Relative Mean Radial Velocity Map
• TYP — Type of Aircraft
• SWD — Southward
• THP — Three-Hour Rainfall Rate
• SWWD — Southwestward

• SWP — Severe Weather Probability
• WER — WEAK ECHO REGION
• UN — Unable
• XPCS — Expects
• VAAC — Volcanic Ash Advisory Centers
• TWR — Tactical Weather Radar
• SLS — Watch Redefining Statement
• VVSTORM — model-based convection algorithm
• VCS — Velocity Cross Section
• SOO — Scientific and Operations Officer
• SSW — South Southwest
• SMA — Soil Moisture Accounting Model
• TEND — Trend forecast
• TEN — Theta-e Index
• TSQLS — Thundersqualls
• USFS — U.S. Forest Service
• XPCG — Expecting

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