| Contraction | Meaning |
|---|---|
| ABNDT | Abundant |
| ABNML | Abnormal |
| ABT | About |
| ABV | Above |
| AC | Convective Outlook |
| ACCAS | Altocumulus Castellanus |
| ACCUM | Accumulate |
| ACFT | Aircraft |
| ACLT | Accelerate |
| ACLTD | Accelerated |
| ACLTG | Accelerating |
| ACLTS | Accelerates |
| ACPY | Accompany |
| ACRS | Across |
| ACSL | Altocumulus Standing Lenticularus |
| ACTV | Active |
| ACTVTY | Activity |
| ACYC | Anticyclone |
| ADJ | Adjacent |
| ADL | Additional |
| ADQT | Adequate |
| ADQTLY | Adequately |
| ADRNDCK | Adirondack |
| ADVCT | Advect |
| ADVCTD | Advected |
| ADVCTG | Advecting |
| ADVCTN | Advection |
| ADVCTS | Advects |
| ADVN | Advance |
| ADVNG | Advancing |
| ADVY | Advisory |
| ADVYS | Advisories |
| AFCT | Affect |
| AFCTD | Affected |
| AFCTG | Affecting |
| AFDK | After dark |
| AFOS | Automated Field Operations System |
| AFT | After |
| AFTN | Afternoon |
| AGL | Above ground level |
| AGN | Again |
| AGRD | Agreed |
| AGRS | Agrees |
| AGRMT | Agreement |
| AHD | Ahead |
| AK | Alaska |
| AL | Alabama |
| ALF | Aloft |
| ALG | Along |
| ALGHNY | Allegheny |
| ALQDS | All quadrants |
| ALSTG | Altimeter setting |
| ALTA | Alberta |
| ALTHO | Although |
| ALTM | Altimeter |
| ALUTN | Aleutian |
| AMD | Amend |
| AMDD | Amended |
| AMDG | Amending |
| AMDT | Amendment |
| AMP | Amplify |
| AMPG | Amplifying |
| AMPLTD | Amplitude |
| AMS | Air mass |
| AMT | Amount |
| ANLYS | Analysis |
| ANS | Answer |
| AOA | At or above |
| AOB | At or below |
| AP | Anomolous Propagation |
| APCH | Approach |
| APCHG | Approaching |
| APCHS | Approaches |
| APLCN | Appalachian |
| APLCNS | Appalachians |
| APPR | Appear |
| APPRG | Appearing |
| APPRS | Appears |
| APRNT | Apparent |
| APRNTLY | Apparently |
| APRX | Approximate |
| APRXLY | Approximately |
| AR | Arkansas |
| ARND | Around |
| ARPT | Airport |
| ASAP | As soon as possible |
| ASL | Above Sea Level |
| ASMD | As amended |
| ASSOCD | Associated |
| ASSOCN | Association |
| ATLC | Atlantic |
| ATTM | At this time |
| ATTN | Attention |
| AVBL | Available |
| AVG | Average |
| AVN | Aviation Model |
| AWT | Awaiting |
| AZ | Arizona |
| AZM | Azimuth |
| BACLIN | Baroclinic |
| BAJA | Baja California |
| BATROP | Barotropic |
| BC | Patches (METAR code) |
| BC | British Columbia |
| BCH | Beach |
| BCKG | Backing |
| BCM | Become |
| BCMG | Becoming |
| BCMS | Becomes |
| BD | Blowing dust |
| BDA | Bermuda |
| BDRY | Boundary |
| BFDK | Before dark |
| BFR | Before |
| BGN | Begin |
| BGNG | Beginning |
| BGNS | Begins |
| BHND | Behind |
| BINOVC | Breaks in overcast |
| BKN | Broken |
| BL | Blowing (METAR code) |
| BLD | Build |
| BLDG | Building |
| BLDS | Builds |
| BLDUP | Buildup |
| BLKHLS | Black Hills |
| BLKT | Blanket |
| BLKTG | Blanketing |
| BLKTS | Blankets |
| BLO | Below |
| BLZD | Blizzard |
| BN | Blowing sand |
| BND | Bound |
| BNDRY | Boundary |
| BNDRYS | Boundaries |
| BNTH | Beneath |
| BOOTHEEL | Bootheel |
| BR | Mist (>= 5/8 SM) (METAR code) |
| BR | Branch |
| BRG | Branching |
| BRS | Branches |
| BRF | Brief |
| BRK | Break |
| BRKG | Breaking |
| BRKHIC | Breaks in higher clouds |
| BRKS | Breaks |
| BRKSHR | Berkshire |
| BRKSHRS | Berkshires |
| BRM | Barometer |
| BS | Blowing snow |
| BTWN | Between |
| BYD | Beyond |
| C | Celsius |
| CA | California |
| CAA | Cold Air Advection |
| CARIB | Caribbean |
| CASCDS | Cascades |
| CAVOK | Ceiling and visibility OK |
| CAVU | Ceiling and visibility unlimited |
| CB | Cumulonimbus |
| CBS | Cumulonimbi |
| CC | Cirrocumulus |
| CCLDS | Clear of clouds |
| CCLKWS | Counter-clockwise |
| CCSL | Standing lenticular cirrocumulus |
| CDFNT | Cold front |
| CDFNTL | Cold frontal |
| CFP | Cold front passage |
| CG | Cloud-to-ground |
| CHC | Chance |
| CHCS | Chances |
| CHG | Change |
| CHGD | Changed |
| CHGG | Changing |
| CHGS | Changes |
| CHSPK | Chesepeake |
| CI | Cirrus |
| CIG | Ceiling |
| CIGS | Ceilings |
| CLD | Cloud |
| CLDNS | Cloudiness |
| CLDS | Clouds |
| CLKWS | Clockwise |
| CLR | Clear |
| CLRG | Clearing |
| CLRS | Clears |
| CMPLX | Complex |
| CNCL | Cancel |
| CNCLD | Cancelled |
| CNCLG | Cancelling |
| CNCLS | Cancels |
| CNDN | Canadian |
| CNTR | Center |
| CNTRD | Centered |
| CNTRLN | Centerline |
| CNTRS | Centers |
| CNTRL | Central |
| CNTY | County |
| CNTYS | Counties |
| CNVG | Converge |
| CNVGG | Converging |
| CNVGNC | Convergence |
| CNVTN | Convection |
| CNVTV | Convective |
| CNVTVLY | Convectively |
| CNFDC | Confidence |
| CO | Colorado |
| COMPAR | Compare |
| COMPARG | Comparing |
| COMPARD | Compared |
| COMPARS | Compares |
| COND | Conditions |
| CONT | Continue |
| CONTD | Continued |
| CONTLY | Continually |
| CONTG | Continuing |
| CONTRAILS | Condensation Trails |
| CONTS | Continues |
| CONTDVD | Continental Divide |
| CONUS | Continental U.S. |
| COORD | Coordinate |
| COR | Correction |
| CPBL | Capable |
| CRC | Circle |
| CRCLC | Circulate |
| CRCLN | Circulation |
| CRNR | Corner |
| CRNRS | Corners |
| CRS | Course |
| CS | Cirrostratus |
| CSDR | Consider |
| CSDRBL | Considerable |
| CST | Coast |
| CSTL | Coastal |
| CT | Connecticut |
| CTGY | Category |
| CTSKLS | Catskills |
| CU | Cumulus |
| CUFRA | Cumulus Fractus |
| CVR | Cover |
| CVRD | Covered |
| CVRG | Covering |
| CVRS | Covers |
| CYC | Cyclonic |
| CYCLGN | Cyclogenesis |
| DABRK | Daybreak |
| DALGT | Day light |
| DBL | Double |
| DC | District of Columbia |
| DCR | Decrease |
| DCRD | Decreased |
| DCRG | Decreasing |
| DCRGLY | Decreasingly |
| DCRS | Decreases |
| DE | Delaware |
| DEG | Degree |
| DEGS | Degrees |
| DELMARVA | Delaware-Maryland-Virginia |
| DFCLT | Difficult |
| DFCLTY | Difficulty |
| DFNT | Definite |
| DFNTLY | Definitely |
| DFRS | Differs |
| DFUS | Diffuse |
| DGNL | Diagonal |
| DGNLLY | Diagonally |
| DIGG | Digging |
| DIR | Direction |
| DISC | Discontinue |
| DISCD | Discontinued |
| DISCG | Discontinuing |
| DISRE | Disregard |
| DISRED | Disregarded |
| DISREG | Disregarding |
| DKTS | Dakotas |
| DLA | Delay |
| DLAD | Delayed |
| DLT | Delete |
| DLTD | Deleted |
| DLTG | Deleting |
| DLY | Daily |
| DMG | Damage |
| DMGD | Damaged |
| DMGG | Damaging |
| DMNT | Dominant |
| DMSH | Diminish |
| DMSHD | Diminished |
| DMSHG | Diminishing |
| DMSHS | Diminishes |
| DNDFTS | Downdrafts |
| DNS | Dense |
| DNSLP | Downslope |
| DNSTRM | Downstream |
| DNWND | Down wind |
| DP | Deep |
| DPND | Deepened |
| DPNS | Deepens |
| DPR | Deeper |
| DPNG | Deepening |
| DPTH | Depth |
| DR | Drifting (METAR code) |
| DRFT | Drift |
| DRFTD | Drifted |
| DRFTG | Drifting |
| DRFTS | Drifts |
| DRZL | Drizzle |
| DS | Duststorm (METAR code) |
| DSCNT | Descent |
| DSIPT | Dissipate |
| DSIPTD | Dissipated |
| DSIPTG | Dissipating |
| DSIPTN | Dissipation |
| DSIPTS | Dissipates |
| DSND | Descend |
| DSNDG | Descending |
| DSNDS | Descends |
| DSNT | Distant |
| DSTBLZ | Destabilize |
| DSTBLZD | Destabilized |
| DSTBLZG | Destablizing |
| DSTBLZS | Destablizes |
| DSTBLZN | Destablization |
| DSTC | Distance |
| DTRT | Deteriorate |
| DTRTD | Deteriorated |
| DTRTG | Deteriorating |
| DTRTS | Deteriorates |
| DU | Widespread dust (METAR code) |
| DURG | During |
| DURN | Duration |
| DVLP | Develop |
| DVLPD | Developed |
| DVLPG | Developing |
| DVLPMT | Development |
| DVLPS | Develops |
| DVRG | Diverge |
| DVRGG | Diverging |
| DVRGNC | Divergence |
| DVRGS | Diverges |
| DVV | Downward vertical velocity |
| DWNDFTS | Downdrafts |
| DWPNT | Dewpoint |
| DWPNTS | Dewpoints |
| DX | Duplex |
| DZ | Drizzle (METAR code) |
| E | East |
| EBND | East bound |
| EFCT | Effect |
| ELNGT | Elongate |
| ELNGTD | Elongated |
| ELSW | Elsewhere |
| EMBDD | Embedded |
| EMERG | Emergency |
| ENCTR | Encounter |
| ENDG | Ending |
| ENE | East-northeast |
| ENELY | East-northeasterly |
| ENERN | East-northeastern |
| ENEWD | East-northeastward |
| ENHNC | Enhance |
| ENHNCD | Enhanced |
| ENHNCG | Enhancing |
| ENHNCS | Enhances |
| ENHNCMNT | Enhancement |
| ENTR | Entire |
| ERN | Eastern |
| ERY | Early |
| ERYR | Earlier |
| ESE | East-southeast |
| ESELY | East-southeasterly |
| ESERN | East-southeastern |
| ESEWD | East-southeastward |
| ESNTL | Essential |
| ESTAB | Establish |
| ESTS | Estimates |
| ETA | Eta model |
| ETC | Et cetera |
| ETIM | Elapsed time |
| EVE | Evening |
| EWD | Eastward |
| EXCLV | Exclusive |
| EXCLVLY | Exclusively |
| EXCP | Except |
| EXPC | Expect |
| EXPCD | Expected |
| EXPCG | Expecting |
| EXTD | Extend |
| EXTDD | Extended |
| EXTDG | Extending |
| EXTDS | Extends |
| EXTN | Extension |
| EXTRAP | Extrapolate |
| EXTRAPD | Extrapolated |
| EXTRM | Extreme |
| EXTRMLY | Extremely |
| EXTSV | Extensive |
| F | Farenheit |
| FA | Aviation area forecast |
| FAH | Farenheit |
| FAM | Familiar |
| FC | Funnel cloud (METAR code) |
| +FC | Tornado/waterspout (METAR code) |
| FCST | Forecast |
| FCSTD | Forecasted |
| FCSTG | Forecasting |
| FCSTR | Forecaster |
| FCSTS | Forecasts |
| FG | Fog (< 5/8SM) (METAR code) |
| FIG | Figure |
| FILG | Filling |
| FIRAV | First available |
| FL | Florida |
| FLG | Falling |
| FLRY | Flurry |
| FLRYS | Flurries |
| FLT | Flight |
| FLW | Follow |
| FLWG | Following |
| FM | From |
| FMT | Format |
| FNCTN | Function |
| FNT | Front |
| FNTL | Frontal |
| FNTS | Fronts |
| FNTGNS | Frontogenesis |
| FNTLYS | Frontolysis |
| FORNN | Forenoon |
| FPM | Feet per minute |
| FQT | Frequent |
| FQTLY | Frequently |
| FRM | Form |
| FRMG | Forming |
| FRMN | Formation |
| FROPA | Frontal passage |
| FROSFC | Frontal surface |
| FRST | Frost |
| FRWF | Forecast wind factor |
| FRZ | Freeze |
| FRZN | Frozen |
| FRZG | Freezing |
| FT | Feet |
| FT | Terminal forecast |
| FTHR | Further |
| FU | Smoke (METAR code) |
| FVRBL | Favorable |
| FWD | Forward |
| FYI | For your information |
| FZ | Freezing (METAR code) |
| G | Gust |
| GA | Georgia |
| GEN | General |
| GENLY | Generally |
| GEO | Geographic |
| GEOREF | Geographical reference |
| GF | Ground fog |
| GICG | Glaze icing |
| GLFALSK | Gulf of Alaska |
| GLFCAL | Gulf of California |
| GLFMEX | Gulf of Mexico |
| GLFSTLAWR | Gulf of St. Lawrence |
| GND | Ground |
| GNDFG | Ground fog |
| GR | Hail (METAR code) |
| GRAD | Gradient |
| GRDL | Gradual |
| GRDLY | Gradually |
| GRT | Great |
| GRTLY | Greatly |
| GRTR | Greater |
| GRTST | Greatest |
| GRTLKS | Great Lakes |
| GS | Small hail/snow pellets (METAR code) |
| GSTS | Gusts |
| GSTY | Gusty |
| GV | Ground visibility |
| HAZ | Hazard |
| HCVIS | High clouds visible |
| HDFRZ | Hard freeze |
| HDSVLY | Hudson Valley |
| HDWND | Head wind |
| HGT | Height |
| HI | High |
| HIER | Higher |
| HIFOR | High level forecast |
| HLF | Half |
| HLTP | Hilltop |
| HLSTO | Hailstones |
| HLYR | Haze layer aloft |
| HND | Hundred |
| HR | Hour |
| HRS | Hours |
| HRZN | Horizon |
| HTG | Heating |
| HURCN | Hurricane |
| HUREP | Hurricane report |
| HV | Have |
| HVY | Heavy |
| HVYR | Heavier |
| HVYST | Heaviest |
| HWVR | However |
| HWY | Highway |
| HZ | Haze (METAR code) |
| IA | Iowa |
| IC | Ice crystals (METAR code) |
| IC | Ice |
| ICG | Icing |
| ICGIC | Icing in clouds |
| ICGIP | Icing in precipitation |
| ID | Idaho |
| IL | Illinois |
| IMDT | Immediate |
| IMDTLY | Immediately |
| IMPL | Impulse |
| IMPLS | Impulses |
| IMPT | Important |
| INCL | Include |
| INCLD | Included |
| INCLG | Including |
| INCLS | Includes |
| INCR | Increase |
| INCRD | Increased |
| INCRG | Increasing |
| INCRGLY | Increasingly |
| INCRS | Increases |
| INDC | Indicate |
| INDCD | Indicated |
| INDCG | Indicating |
| INDCS | Indicates |
| INDEF | Indefinite |
| INFO | Information |
| INLD | Inland |
| INSTBY | Instability |
| INTCNTL | Intercontinental |
| INTL | International |
| INTMD | Intermediate |
| INTMT | Intermittent |
| INTMTLY | Intermittently |
| INTR | Interior |
| INTRMTRGN | Intermountain region |
| INTS | Intense |
| INTSFCN | Intensification |
| INTSFY | Intensify |
| INTSFYD | Intensified |
| INTSFYG | Intensifying |
| INTSFYS | Intensifies |
| INTSTY | Intensity |
| INTVL | Interval |
| INVRN | Inversion |
| IOVC | In overcast |
| INVOF | In vicinity of |
| IP | Ice pellets |
| IPV | Improve |
| IPVG | Improving |
| IR | Infrared |
| ISOL | Isolate |
| ISOLD | Isolated |
| JCTN | Junction |
| JTSTR | Jet stream |
| KFRST | Killing frost |
| KLYR | Smoke layer aloft |
| KOCTY | Smoke over city |
| KS | Kansas |
| KT | Knots |
| KY | Kentucky |
| LA | Louisiana |
| LABRDR | Labrador |
| LAT | Latitude |
| LCL | Local |
| LCLY | Locally |
| LCTD | Located |
| LCTN | Location |
| LCTMP | Little change in temperature |
| LEVEL | Level |
| LFM | Limited Fine Mesh Model |
| LFTG | Lifting |
| LGRNG | Long range |
| LGT | Light |
| LGTR | Lighter |
| LGWV | Long wave |
| LI | Lifted Index |
| LIS | Lifted indices |
| LK | Lake |
| LKS | Lakes |
| LKLY | Likely |
| LLJ | Low Level Jet |
| LLWS | Low Level Wind Shear |
| LLWAS | Low level wind shear alert system |
| LMTD | Limited |
| LMTG | Limiting |
| LMTS | Limits |
| LN | Line |
| LN | Lines |
| LO | Low |
| LONG | Longitude |
| LONGL | Longitudnal |
| LRG | Large |
| LRGLY | Largely |
| LRGR | Larger |
| LRGST | Largest |
| LST | Local standard time |
| LTD | Limited |
| LTG | Lightning |
| LTGCC | Lightning cloud-to-cloud |
| LTGCG | Lightning cloud-to-ground |
| LTGCCCG | Lightning cloud-to-cloud cloud-to-ground |
| LTGCW | Lightning cloud-to-water |
| LTGIC | Lightning in cloud |
| LTL | Little |
| LTLCG | Little change |
| LTR | Later |
| LTST | Latest |
| LV | Leaving |
| LVL | Level |
| LVLS | Levels |
| LWR | Lower |
| LWRD | Lowered |
| LWRG | Lowering |
| LYR | Layer |
| LYRD | Layered |
| LYRS | Layers |
| MA | Massachusetts |
| MAN | Manitoba |
| MAX | Maximum |
| MB | Millibars |
| MCD | Mesoscale discussion |
| MD | Maryland |
| MDFY | Modify |
| MDFYD | Modified |
| MDFYG | Modifying |
| MDL | Model |
| MDLS | Models |
| MDT | Moderate |
| MDTLY | Moderately |
| ME | Maine |
| MED | Medium |
| MEGG | Merging |
| MESO | Mesoscale |
| MET | Meteorological |
| METRO | Metropolitan |
| MEX | Mexico |
| MHKVLY | Mohawk Valley |
| MI | Shallow (METAR code) |
| MI | Michigan |
| MID | Middle |
| MIDN | Midnight |
| MIL | Military |
| MIN | Minimum |
| MISG | Missing |
| MLTLVL | Melting level |
| MN | Minnesota |
| MNLND | Mainland |
| MNLY | Mainly |
| MO | Missouri |
| MOGR | Moderate or greater |
| MOV | Move |
| MOVD | Moved |
| MOVG | Moving |
| MOVMT | Movement |
| MOVS | Moves |
| MPH | Miles per hour |
| MRGL | Marginal |
| MRGLLY | Marginally |
| MRNG | Morning |
| MRTM | Maritime |
| MS | Mississippi |
| MSG | Message |
| MSL | Mean sea level |
| MST | Most |
| MSTLY | Mostly |
| MSTR | Moisture |
| MT | Montana |
| MTN | Mountain |
| MTNS | Mountains |
| MULT | Multiple |
| MULTILVL | Multi-level |
| MXD | Mixed |
| N | North |
| NAB | Not above |
| NAT | North Atlantic |
| NATL | National |
| NAV | Navigation |
| NB | New Brunswick |
| NBND | Northbound |
| NBRHD | Neighborhood |
| NC | North Carolina |
| NCWX | No change in weather |
| ND | North Dakota |
| NE | Northeast |
| NEB | Nebraska |
| NEC | Necessary |
| NEG | Negative |
| NEGLY | Negatively |
| NELY | Northeasterly |
| NERN | Northeastern |
| NEWD | Northeastward |
| NEW ENG | New England |
| NFLD | Newfoundland |
| NGM | Nested Grid Model |
| NGT | Night |
| NH | New Hampshire |
| NIL | None |
| NJ | New Jersey |
| NL | No layers |
| NLT | Not later than |
| NLY | Northerly |
| NM | New Mexico |
| NMBR | Number |
| NMBRS | Numbers |
| NMC | National Meteorological Center |
| NML | Normal |
| NMRS | Numerous |
| NNE | North-northeast |
| NNELY | North-northeasterly |
| NNERN | North-northeastern |
| NNEWD | North-northeastward |
| NNW | North-northwest |
| NNWLY | North-northwesterly |
| NNWRN | North-northwestern |
| NNWWD | North-northwestward |
| NNNN | End of message |
| NOAA | National Oceanic and Atmospheric Administration |
| NOPAC | Northern Pacific |
| NPRS | Nonpersistent |
| NR | Near |
| NRLY | Nearly |
| NRN | Northern |
| NRW | Narrow |
| NS | Nova Scotia |
| NTFY | Notify |
| NTFYD | Notified |
| NV | Nevada |
| NVA | Negative vorticity advection |
| NW | Northwest |
| NWD | Northward |
| NWLY | Northwesterly |
| NWRN | Northwestern |
| NWS | National Weather Service |
| NY | New York |
| NXT | Next |
| OAT | Outside Air Temperature |
| OBND | Outbound |
| OBS | Observation |
| OBSC | Obscure |
| OBSCD | Obscured |
| OBSCG | Obscuring |
| OCFNT | Occluded front |
| OCLD | Occlude |
| OCLDS | Occludes |
| OCLDD | Occluded |
| OCLDG | Occluding |
| OCLN | Occlusion |
| OCNL | Occasional |
| OCNLY | Occasionally |
| OCR | Occur |
| OCRD | Occurred |
| OCRG | Occurring |
| OCRS | Occurs |
| OFC | Office |
| OFP | Occluded frontal passage |
| OFSHR | Offshore |
| OH | Ohio |
| OK | Oklahoma |
| OMTNS | Over mountains |
| ONSHR | On shore |
| OR | Oregon |
| ORGPHC | Orographic |
| ORIG | Original |
| OSV | Ocean station vessel |
| OTLK | Outlook |
| OTP | On top |
| OTR | Other |
| OTRW | Otherwise |
| OUTFLO | Outflow |
| OVC | Overcast |
| OVNGT | Overnight |
| OVR | Over |
| OVRN | Overrun |
| OVRNG | Overrunning |
| OVTK | Overtake |
| OVTKG | Overtaking |
| OVTKS | Overtakes |
| PA | Pennsylvania |
| PAC | Pacific |
| PBL | Planetary boundary layer |
| PCPN | Precipitation |
| PD | Period |
| PDS | Periods |
| PDMT | Predominant |
| PEN | Peninsula |
| PERM | Permanent |
| PGTSND | Puget Sound |
| PHYS | Physical |
| PIBAL | Pilot balloon observation |
| PIBALS | Pilot balloon reports |
| PIREP | Pilot weather report |
| PIREPS | Pilot weather reports |
| PL | Ice pellets (METAR code) |
| PLNS | Plains |
| PLS | Please |
| PLTO | Plateau |
| PM | Post meridian |
| PNHDL | Panhandle |
| PO | Well developed dust/sand whirls (METAR code) |
| POS | Positive |
| POSLY | Positively |
| PPINE | PPI no echoes |
| PPSN | Present position |
| PR | Partial (METAR code) |
| PRBL | Probable |
| PRBLY | Probably |
| PRBLTY | Probability |
| PRECD | Precede |
| PRECDD | Preceded |
| PRECDG | Preceding |
| PRECDS | Precedes |
| PRES | Pressure |
| PRESFR | Pressure falling rapidly |
| PRESRR | Pressure rising rapidly |
| PRIM | Primary |
| PRIN | Principal |
| PRIND | Present indications are |
| PRJMP | Pressure jump |
| PROC | Procedure |
| PROD | Produce |
| PRODG | Producing |
| PROG | Forecast |
| PROGD | Forecasted |
| PROGS | Forecasts |
| PRSNT | Present |
| PRSNTLY | Presently |
| PRST | Persist |
| PRSTS | Persists |
| PRSTNC | Persistence |
| PRSTNT | Persistent |
| PRVD | Provide |
| PRVDD | Provided |
| PRVDG | Providing |
| PRVDS | Provides |
| PS | Plus |
| PSBL | Possible |
| PSBLY | Possibly |
| PSBLTY | Possiblity |
| PSG | Passage |
| PSN | Position |
| PSND | Positioned |
| PTCHY | Patchy |
| PTLY | Partly |
| PTNL | Potential |
| PTNLY | Potentially |
| PTNS | Portions |
| PUGET | Puget Sound |
| PVA | Positive vorticity advection |
| PVL | Prevail |
| PVLD | Prevailed |
| PVLG | Prevailing |
| PVLS | Prevails |
| PVLT | Prevalent |
| PWR | Power |
| PY | Spray (METAR code) |
| QN | Question |
| QPFERD | NMC excessive rainfall discussion |
| QPFHSD | NMC heavy snow discussion |
| QPFSPD | NMC special precipitation discussion |
| QSTNRY | Quasistationary |
| QUAD | Quadrant |
| QUE | Quebec |
| R | Rain |
| RA | Rain (METAR code) |
| RADAT | Radiosonde observation data |
| RAOB | Radiosonde observation |
| RAOBS | Radiosonde observations |
| RCH | Reach |
| RCHD | Reached |
| RCHG | Reaching |
| RCHS | Reaches |
| RCKY | Rocky |
| RCKYS | Rockies |
| RCMD | Recommend |
| RCMDD | Recommended |
| RCMDG | Recommending |
| RCMDS | Recommends |
| RCRD | Record |
| RCRDS | Records |
| RCV | Receive |
| RCVD | Received |
| RCVG | Receiving |
| RCVS | Receives |
| RDC | Reduce |
| RDGG | Ridging |
| RDR | Radar |
| RDVLP | Redevelop |
| RDVLPG | Redeveloping |
| RDVLPMT | Redevelopment |
| RE | Regard |
| RECON | Reconnaissance |
| REF | Reference |
| RES | Reserve |
| RGL | Regional Model |
| RGT | Right |
| RHINO | RHI not operative |
| RI | Rhode Island |
| RLBL | Reliable |
| REPL | Replace |
| REPLD | Replaced |
| REPLG | Replacing |
| REPLS | Replaces |
| REQ | Request |
| REQS | Requests |
| REQSTD | Requested |
| RESP | Response |
| RESTR | Restrict |
| RGD | Ragged |
| RGLR | Regular |
| RGN | Region |
| RGNS | Regions |
| RH | Relative Humidity |
| RIOGD | Rio Grande |
| RLTV | Relative |
| RLTVLY | Relativily |
| RMN | Remain |
| RMND | Remained |
| RMNDR | Remainder |
| RMNG | Remaining |
| RMNS | Remains |
| RNFL | Rainfall |
| ROT | Rotate |
| ROTD | Rotated |
| ROTG | Rotating |
| ROTS | Rotates |
| RPD | Rapid |
| RPDLY | Rapidly |
| RPLC | Replace |
| RPLCD | Replaced |
| RPLCG | Replacing |
| RPLCS | Replaces |
| RPRT | Report |
| RPRTD | Reported |
| RPRTG | Reporting |
| RPRTS | Reports |
| RPT | Repeat |
| RPTG | Repeating |
| RPTS | Repeats |
| RQR | Require |
| RQRD | Required |
| RQRG | Requiring |
| RQRS | Requires |
| RS | Receiver station |
| RSG | Rising |
| RSN | Reason |
| RSNG | Reasoning |
| RSNS | Reasons |
| RSTR | Restrict |
| RSTRD | Restricted |
| RSTRG | Restricting |
| RSTRS | Restricts |
| RTRN | Return |
| RTRND | Returned |
| RTRNG | Returning |
| RTRNS | Returns |
| RUF | Rough |
| RUFLY | Roughly |
| RVS | Revise |
| RVSD | Revised |
| RVSG | Revising |
| RVSS | Revises |
| RW | Rain shower |
| S | South |
| SA | Sand (METAR code) |
| SA | Surface observation |
| SAO | Surface observation |
| SAOS | Surface observations |
| SASK | Saskatchewan |
| SATFY | Satisfactory |
| SBND | South bound |
| SBSD | Subside |
| SBSDD | Subsided |
| SBSDNC | Subsidence |
| SBSDS | Subsides |
| SC | South Carolina |
| SCND | Second |
| SCNDRY | Secondary |
| SCSL | Standing lenticular stratocumulus |
| SCT | Scatter |
| SCTD | Scattered |
| SCTR | Sector |
| SD | South Dakota |
| SE | Southeast |
| SEC | Second |
| SELS | Severe Local Storms Unit |
| SELY | Southeasterly |
| SEPN | Separation |
| SEQ | Sequence |
| SERN | Southeastern |
| SEWD | Southeastward |
| SFC | Surface |
| SFERICS | Atmospherics |
| SG | Snow grains |
| SGFNT | Significant |
| SGFNTLY | Significantly |
| SH | Showers (METAR code) |
| SHFT | Shift |
| SHFTD | Shifted |
| SHFTG | Shifting |
| SHFTS | Shifts |
| SHLD | Shield |
| SHLW | Shallow |
| SHRT | Short |
| SHRTLY | Shortly |
| SHRTWV | Shortwave |
| SHRTWVS | Shortwaves |
| SHUD | Should |
| SHWR | Shower |
| SHWRS | Showers |
| SIERNEV | Sierra Nevada |
| SIG | Signature |
| SIGMET | Significant meteorological information |
| SIMUL | Simultaneous |
| SKC | Sky clear |
| SKED | Schedule |
| SLD | Solid |
| SLGT | Slight |
| SLGTLY | Slightly |
| SLO | Slow |
| SLOLY | Slowly |
| SLOR | Slower |
| SLP | Slope |
| SLPG | Sloping |
| SLT | Sleet |
| SLY | Southerly |
| SM | Statute mile |
| SMK | Smoke |
| SML | Small |
| SMLR | Smaller |
| SMRY | Summary |
| SMS | Synchronus meteorological satellite |
| SMTH | Smooth |
| SMTHR | Smoother |
| SMTHST | Smoothest |
| SMTM | Sometime |
| SMWHT | Somewhat |
| SN | Snow (METAR code) |
| SNBNK | Snow bank |
| SND | Sand |
| SNFLK | Snow flake |
| SNGL | Single |
| SNOINCR | Snow increase |
| SNOINCRG | Snow increasing |
| SNST | Sunset |
| SNW | Snow |
| SNWFL | Snowfall |
| SOP | Standard operating procedure |
| SP | Snow pellets |
| SPCLY | Especially |
| SPD | Speed |
| SPDS | Speeds |
| SPENES | Satellite precipitation estimate statement |
| SPKL | Sprinkle |
| SPKLS | Sprinkles |
| SPLNS | Southern Plains |
| SPRD | Spread |
| SPRDG | Spreading |
| SPRDS | Spreads |
| SPRL | Spiral |
| SQ | Squall (METAR code) |
| SQAL | Squall |
| SQLN | Squall line |
| SR | Sunrise |
| SRN | Southern |
| SRND | Surround |
| SRNDD | Surrounded |
| SRNDG | � |
| SRNDS | Surrounds |
| SS | Sandstorm (METAR code) |
| SS | Sunset |
| SSE | South-southeast |
| SSELY | South-southeasterly |
| SSERN | South-southeastern |
| SSEWD | South-southeastward |
| SSW | South-southwest |
| SSWLY | South-southwesterly |
| SSWRN | South-southwestern |
| SSWWD | South-southwestward |
| ST | Stratus |
| STAGN | Stagnation |
| STBL | Stable |
| STBLTY | Stability |
| STD | Standard |
| STDY | Steady |
| STFR | Stratus fractus |
| STFRM | Stratiform |
| STG | Strong |
| STGLY | Strongly |
| STGR | Stronger |
| STGST | Strongest |
| STLT | Satellite |
| STM | Storm |
| STMS | Storms |
| STN | Station |
| STNS | Stations |
| STNRY | Stationary |
| SUB | Substitute |
| SUBTRPCL | Subtropical |
| SUF | Sufficient |
| SUFLY | Sufficiently |
| SUG | Suggest |
| SUGG | Suggesting |
| SUGS | Suggests |
| SUP | Supply |
| SUPG | Supplying |
| SUPR | Superior |
| SUPS | Supplies |
| SUPSD | Supersede |
| SUPSDG | Superseding |
| SUPSDS | Supersedes |
| SVG | Serving |
| SVR | Severe |
| SVRL | Several |
| SW | Southwest |
| SWD | Southward |
| SWWD | Southwestward |
| SW- | Light snow shower |
| SW+ | Heavy snow shower |
| SWLG | Swelling |
| SWLY | Southwesterly |
| SWOMCD | SELS Mesoscale Discussion |
| SWRN | Southwestern |
| SX | Stability index |
| SXN | Section |
| SXNS | Sections |
| SYNOP | Synoptic |
| SYNS | Synopsis |
| SYS | System |
| T | Thunder |
| TCNTL | Transcontinental |
| TCU | Towering cumulus |
| TDA | Today |
| TEMP | Temperature |
| THD | Thunderhead |
| THDR | Thunder |
| THK | Thick |
| THKNG | Thickening |
| THKNS | Thickness |
| THKR | Thicker |
| THKST | Thickest |
| THN | Thin |
| THNG | Thinning |
| THNR | Thinner |
| THNST | Thinnest |
| THR | Threshold |
| THRFTR | Thereafter |
| THRU | Through |
| THRUT | Throughout |
| THSD | Thousand |
| THTN | Threaten |
| THTND | Threatened |
| THTNG | Threatening |
| THTNS | Threatens |
| TIL | Until |
| TMPRY | Temporary |
| TMPRYLY | Temporarilly |
| TMW | Tomorrow |
| TN | Tennessee |
| TNDCY | Tendency |
| TNDCYS | Tendencies |
| TNGT | Tonight |
| TNTV | Tentative |
| TNTVLY | Tentatively |
| TOPS | Tops |
| TOVC | Top of overcast |
| TPG | Topping |
| TRBL | Trouble |
| TRIB | Tributary |
| TRKG | Tracking |
| TRML | Terminal |
| TRMT | Terminate |
| TRMTD | Terminated |
| TRMTG | Terminating |
| TRMTS | Terminates |
| TRNSP | Transport |
| TRNSPG | Transporting |
| TROF | Trough |
| TROFS | Troughs |
| TROP | Tropopause |
| TRPCD | Tropical continental |
| TRPCL | Tropical |
| TRRN | Terrain |
| TRSN | Transition |
| TRW | Thunderstorm |
| TRW+ | Thunderstorm with heavy rain shower |
| TS | Thunderstorm (METAR code) |
| TS | Thunderstorm with snow |
| TS+ | Thunderstorm with heavy snow |
| TSFR | Transfer |
| TSFRD | Transfered |
| TSFRG | Transfering |
| TSFRS | Transfers |
| TSHWR | Thundershower |
| TSHWRS | Thundershowers |
| TSNT | Transient |
| TSQLS | Thundersqualls |
| TSTM | Thunderstorm |
| TSTMS | Thunderstorms |
| TSW | Thunderstorm with snow showers |
| TSW+ | Thunderstorm with heavy snow showers |
| TURBC | Turbulence |
| TURBT | Turbulent |
| TWD | Toward |
| TWDS | Towards |
| TWI | Twilight |
| TWRG | Towering |
| TX | Texas |
| UDDF | Up and down drafts |
| UN | Unable |
| UNAVBL | Unavailable |
| UNEC | Unnecessary |
| UNKN | Unknown |
| UNL | Unlimited |
| UNRELBL | Unreliable |
| UNRSTD | Unrestricted |
| UNSATFY | Unsatisfactory |
| UNSBL | Unseasonable |
| UNSTBL | Unstable |
| UNSTDY | Unsteady |
| UNSTL | Unsettle |
| UNSTLD | Unsettled |
| UNUSBL | Unusable |
| UP | Unknown precipitation in automated observations (METAR code) |
| UPDFTS | Updrafts |
| UPR | Upper |
| UPSLP | Upslope |
| UPSTRM | Upstream |
| URG | Urgent |
| USBL | Usable |
| UT | Utah |
| UVV | Upward vertical velocity |
| UVVS | Upward vertical velocities |
| UWNDS | Upper winds |
| VA | Volcanic ash (METAR code) |
| VA | Virginia |
| VARN | Variation |
| VC | Vicinity (METAR code) |
| VCNTY | Vicinity |
| VCOT | VFR conditions on top |
| VCTR | Vector |
| VCTS | Thunderstorms in the Vicinity |
| VDUC | VAS Data Utilization Center (NSSFC) |
| VFY | Verify |
| VFYD | Verified |
| VFYG | Verifying |
| VFYS | Verifies |
| VLCTY | Velocity |
| VLCTYS | Velocities |
| VLNT | Violent |
| VLNTLY | Violently |
| VLY | Valley |
| VLYS | Valleys |
| VMC | Visual meteorological conditions |
| VOL | Volume |
| VORT | Vorticity |
| VR | Veer |
| VRG | Veering |
| VRBL | Variable |
| VRISL | Vancouver Island, BC |
| VRS | Veers |
| VRT MOTN | Vertical Motion |
| VRY | Very |
| VSB | Visible |
| VSBY | Visibility |
| VSBYDR | Visibility decreasing rapidly |
| VSBYIR | Visibility increasing rapidly |
| VT | Vermont |
| VV | Vertical velocity |
| W | West |
| WA | Washington |
| WAA | Warm Air Advection |
| WBND | West bound |
| WDLY | Widely |
| WDSPRD | Widespread |
| WEA | Weather |
| WFO | Weather Forecast Office |
| WFOS | Weather Forecast Offices |
| WFP | Warm front passage |
| WI | Wisconsin |
| WIBIS | Will be issued |
| WINT | Winter |
| WK | Weak |
| WKDAY | Weekday |
| WKEND | Weekend |
| WKNG | Weakening |
| WKNS | Weakens |
| WKR | Weaker |
| WKST | Weakest |
| WKN | Weaken |
| WL | Will |
| WLY | Westerly |
| WND | Wind |
| WNDS | Winds |
| WNW | West-northwest |
| WNWLY | West-northwesterly |
| WNWRN | West-northwestern |
| WNWWD | West-northwestward |
| WO | Without |
| WPLTO | Western Plateau |
| WRM | Warm |
| WRMG | Warming |
| WRN | Western |
| WRMR | Warmer |
| WRMST | Warmest |
| WRMFNT | Warm front |
| WRMFNTL | Warm Frontal |
| WRNG | Warning |
| WRNGS | Warnings |
| WRS | Worse |
| WSHFT | Wind shift |
| WSHFTS | Wind Shifts |
| WSFO | Weather Service Forecast Office |
| WSFOS | Weather Service Forecast Offices |
| WSO | Weather Service Office |
| WSOS | Weather Service Offices |
| WSTCH | Wasatch Range |
| WSW | West-southwest |
| WSWLY | West-southwesterly |
| WSWRN | West-southwestern |
| WSWWD | West-southwestward |
| WTR | Water |
| WTRS | Waters |
| WTSPT | Waterspout |
| WTSPTS | Waterspouts |
| WUD | Would |
| WV | West Virginia |
| WVS | Waves |
| WW | Severe Weather Watch |
| WWAMKC | Status Report |
| WWD | Westward |
| WWS | Severe Weather Watches |
| WX | Weather |
| WY | Wyoming |
| XCP | Except |
| XPC | Expect |
| XPCD | Expected |
| XPCG | Expecting |
| XPCS | Expects |
| XPLOS | Explosive |
| XTND | Extend |
| XTNDD | Extended |
| XTNDG | Extending |
| XTRM | Extreme |
| XTRMLY | Extremely |
| YDA | Yesterday |
| YKN | Yukon |
| YLSTN | Yellowstone |
| ZL | Freezing drizzle |
| ZN | Zone |
| ZNS | Zones |
| ZR | Freezing rain |