MANAB Manual of Word Abbreviations (4th edition) : search
| Abbreviation | Term |
|---|---|
| A/A | Air-to-Air |
| A/G | Air-to-Ground |
| AB | Alberta |
| ABT | About |
| ABV | Above |
| AC | Altocumulus |
| ACC | Altocumulus Castellanus |
| ACC | Area Control Centre |
| ACFT | Aircraft |
| ACLT | Accelerate |
| ACLTD | Accelerated |
| ACLTG | Accelerating |
| ACLTN | Acceleration |
| ACPT | Accept, Accepted |
| ACPTG | Accepting |
| ACPY | Accompany |
| ACPYD | Accompanied |
| ACPYG | Accompanying |
| ACRD | Accord |
| ACRDG | According |
| ACRDGLY | Accordingly |
| ACRS | Across |
| ACT | Active |
| ACTLY | Actively |
| ACYC | Anticyclonic |
| ACYCLY | Anticyclonically |
| AD | Aerodrome(s) |
| ADDN | Addition |
| ADJ | Adjacent(s) |
| ADVCTN | Advection |
| ADVN | Advance |
| ADVND | Advanced |
| ADVNG | Advancing |
| ADVNMT | Advancement |
| ADZ | Advise |
| ADZD | Advised |
| ADZG | Advising |
| ADZRY | Advisory |
| AFCT | Affect |
| AFCTD | Affected |
| AFCTG | Affecting |
| AFL | Above Freezing Layer |
| AFT | After |
| AFTN | Afternoon |
| AG | Above Ground |
| AGL | Above Ground Level |
| AGN | Again |
| AGR | Agree |
| AGRD | Agreed |
| AGRG | Agreeing |
| AGRMT | Agreement |
| AHD | Ahead |
| AIREP | Air Report |
| AIRMET | Aviation Weather Advisory |
| AIRMS | Air Mass |
| AIRMSS | Air Masses |
| AK | Alaska |
| AL | Alabama |
| ALF | Aloft |
| ALG | Along |
| ALQDS | All Quadrants |
| ALSK PNHDL | Alaska Panhandle |
| ALT | Altitude |
| ALTHO | Although |
| ALTM | Altimeter |
| ALTN | Alternate(s) |
| ALUTN | Aleutian |
| ANTISL | Anticosti Island |
| AMD | Amend, Amended |
| AMDG | Amending |
| AMDT | Amendment |
| AMDTS | Amendments |
| AMP | Amplify |
| AMPD | Amplified |
| AMPG | Amplifying |
| AMPLTD | Amplitude |
| AMPN | Amplification |
| AMSL | Above Mean Sea Level |
| AMT | Amount (clouds) |
| ANAL | Analyze, Analysis |
| ANALD | Analyzed |
| ANALG | Analyzing |
| ANTCPT | Anticipate |
| ANTCPTD | Anticipated |
| ANTCPTG | Anticipating |
| ANTCPTN | Anticipation |
| AP | Anomalous Propagation |
| APCH | Approach |
| APCHBL | Approachable |
| APCHD | Approached |
| APCHG | Approaching |
| APPR | Appear |
| APPRD | Appeared |
| APPRG | Appearing |
| APPRNC | Appearance |
| APR | April |
| APRNT | Apparent |
| APRNTLY | Apparently |
| APRX | Approximate, Approximately |
| APRXN | Approximation |
| AR | Arkansas |
| ARND | Around |
| ARNG | Arrange |
| ARNGD | Arranged |
| ARNGG | Arranging |
| ARNGMT | Arrangement |
| AP | Airport(s) |
| ARR | Arrival, Arrive |
| ARRD | Arrived |
| ARRG | Arriving |
| ARTC | Arctic |
| AS | Altostratus |
| ASAP | As Soon As Possible |
| ASC | Ascend, Ascended, Ascending |
| ASL | Above Sea Level |
| ASNT | Ascent |
| ASOCT | Associate |
| ASOCTD | Associated |
| ASOCTG | Associating |
| ASOCTN | Association |
| AT … | At (followed by time) |
| ATLC | Atlantic |
| ATMOS | Atmosphere |
| ATND | Attend |
| ATNDD | Attended |
| ATNDG | Attending |
| ATTM | At This Time |
| AUG | August |
| AURBO | Aurora Borealis |
| AUTO | Automatic |
| AUTOLY | Automatically |
| AVBL | Available |
| AVG | Average |
| AVGD | Averaged |
| AVGG | Averaging |
| AVLPEN | Avalon Peninsula |
| AVTN | Aviation |
| AWOS | Automated Weather Observing System |
| AZ | Arizona |
| BACLIN | Baroclinic |
| BACLINLY | Baroclinically |
| BACLINTY | Baroclinicity |
| BAFBA | Baffin Bay |
| BAFDY | Bay of Fundy |
| BAFISLD | Baffin Island |
| BARO | Barometer |
| BAROLY | Barometrically |
| BATROP | Barotropic |
| BATROPLY | Barotropically |
| BC | British Columbia |
| BCFG | Fog Patches |
| BCK | Back |
| BCKD | Backed |
| BCKG | Backing |
| BCN | Beacon |
| BCS | Because |
| BCST | Broadcast |
| BDA | Bermuda |
| BDR | Border |
| BDRS | Borders |
| BDRY | Boundary(ies) |
| BECM | Become, Became |
| BECMG | Becoming |
| BFR | Before |
| BFRTS | Beaufort Sea |
| BGN | Begin, Began |
| BGNG | Beginning |
| BHND | Behind |
| BKN | Broken |
| BKNG | Breaking |
| BL | Blowing |
| BLD | Build |
| BLDD | Built |
| BLDG | Building |
| BLDU | Blowing Dust |
| BLDUP | Buildup |
| BLDUPS | Buildups |
| BLK | Block |
| BLKS | Blocks |
| BLN | Balloon |
| BLNS | Balloons |
| BLSA | Blowing Sand |
| BLSN | Blowing Snow |
| BLT | Built |
| BLT | Built |
| BLW | Below |
| BND | Band |
| BNDS | Bands |
| BNKISL | Banks Island |
| BNTH | Beneath |
| BOVC | Base of Overcast |
| BR | Mist |
| BRD | Broad |
| BRDLY | Broadly |
| BRDN | Broaden |
| BRDNG | Broadening |
| BRDR | Broader |
| BRF | Brief |
| BRFLY | Briefly |
| BRK | Break |
| BRKS | Breaks |
| BTL | Between Layers |
| BTN | Between |
| BTR | Better |
| BULL | Bulletin |
| BULLS | Bulletins |
| BYD | Beyond |
| C | Celsius (Degrees) |
| CA | California |
| CAA | Cold Air Advection |
| CAN | Canada, Canadian |
| CAPBR | Cape Breton Island |
| CARIB | Caribbean |
| CASCDS | Cascades |
| CASHLD | Canadian Shield |
| CAT | Category(ies) |
| CAT | Clear Air Turbulence |
| CB | Cumulonimbus |
| CBTSTR | Cabot Strait |
| CC | Cirrocumulus |
| CCT | Circuit |
| CCTS | Circuits |
| CF | Cumulus Fractus |
| CH | Channel(s) |
| CHG | Change |
| CHGD | Changed |
| CHGG | Changing |
| CHGS | Changes |
| CHLRBA | Chaleur Bay |
| CHNC | Chance |
| CHNCS | Chances |
| CI | Cirrus |
| CIG | Ceiling |
| CIGS | Ceilings |
| CIV | Civil |
| CLD | Cloud(s) |
| CLD AND WX | Clouds and Weather |
| CLR | Clear |
| CLR | Clear type of ice formation |
| CLRD | Cleared |
| CLRG | Clearing |
| CLRLY | Clearly |
| CLS | Close |
| CLSD | Close, Closed, Closing |
| CLSLY | Closely |
| CM | Centimeter(s) |
| CMA | Comma |
| CMAH | Comma Head |
| CMAS | Commas |
| CMASC | Comma Shape Cloud |
| CMNC | Commence |
| CMNCD | Commenced |
| CMNCG | Commencing |
| CMNCMT | Commencement |
| CMPL | Complete, Completed, Completion |
| CMPLG | Completing |
| CMPLLY | Completely |
| CMPLX | Complex |
| CMPTR | Computer |
| CNL | Cancel, Cancelled, Cancelling, Cancellation |
| CNCLSN | Conclusion |
| CNCLSNS | Conclusions |
| CNFLNC | Confluence |
| CNFLNT | Confluent |
| CNTR | Centre |
| CNTRD | Centred |
| CNTRG | Centering |
| CNTRL | Central |
| CNTRLY | Centrally |
| CNTRS | Centres |
| CO | Colorado |
| COM | Communications |
| COND | Condition(s) |
| CONFID | Confident, Confidence |
| CONS | Continuing, Continuous |
| CONT | Continue, Continues |
| CONTR | Contour |
| CONTRAILS | Condensation Trails |
| CONTRS | Contours |
| CONVRG | Converge |
| CONVRGD | Converged |
| CONVRGG | Converging |
| CONVRGNC | Convergence |
| COR | Correct, Correction, Corrected |
| CORG | Correcting |
| COV | Cover, Covered, Covering |
| CRCLT | Circulate |
| CRCLTD | Circulated |
| CRCLTG | Circulating |
| CRCLTN | Circulation |
| CRNGLF | Coronation Gulf |
| CRNT | Current |
| CRNTLY | Currently |
| CRSPND | Correspond |
| CRSPNDD | Corresponded |
| CRSPNDG | Corresponding |
| CRSPNDLY | Correspondingly |
| CRSPNDNC | Correspondence |
| CRV | Curve |
| CRVS | Curves |
| CS | Cirrostratus |
| CSDRBL | Considerable |
| CSDRBLY | Considerably |
| CST | Coast |
| CSTLMTNS | Coastal Mountains |
| CSTLPSS | Coastal Passes |
| CSTS | Coasts |
| CT | Connecticut |
| CTC | Contact |
| CTCD | Contacted |
| CTCG | Contacting |
| CTCS | Contacts |
| CTL | Control |
| CTLD | Controlled |
| CTLG | Controlling |
| CTN | Caution |
| CU | Cumulus |
| CVCTN | Convection |
| CVCTV | Convective |
| CVCTVLY | Convectively |
| CYC | Cyclonic |
| CYCGNS | Cyclogenesis |
| CYCLYS | Cyclonically |
| CYCLYS | Cyclolysis |
| CYPHL | Cypress Hills |
| DABRK | Daybreak |
| DALGT | Daylight |
| DAM | Decametre(s) |
| DATM | Daytime |
| DB | Dry Bulb |
| DBL | Double |
| DBLD | Doubled |
| DBLG | Doubling |
| DBT | Doubt |
| DBTD | Doubted |
| DBTFL | Doubtful |
| DBTG | Doubting |
| DBTS | Doubts |
| DC | District of Columbia |
| DCLRT | Decelerate |
| DCLRTD | Decelerated |
| DCLRTN | Deceleration |
| DCLTRG | Decelerating |
| DCT | Direct |
| DCTD | Directed |
| DCTG | Directing |
| DCTLY | Directly |
| DCTN | Direction |
| DDG | Dodging |
| DE | Delaware |
| DEC | December |
| DECID | Decide |
| DECIDD | Decided |
| DECIDG | Deciding |
| DECIDN | Decision |
| DEG | Degree(s) |
| DES | Descend, descended, Descending |
| DEV | Deviation, Deviate, Deviated, Deviating |
| DFCLT | Difficult |
| DFCLTY | Difficulty |
| DFNT | Definite |
| DFNTLY | Definitively |
| DFT | Draft |
| DFTS | Drafts |
| DFZN | Deformation Zone |
| DIAG | Diagnosis, Diagnose |
| DIAGD | Diagnosed |
| DIAGG | Diagnosing |
| DIF | Diffuse, Diffused, Diffusing, Diffusely |
| DIFLNC | Diffluence |
| DIFLNT | Diffluent |
| DISAPRNC | Disappearance |
| DISEM | Disseminate |
| DISEMD | Disseminated |
| DISEMG | Disseminating |
| DISEMN | Dissemination |
| DIST | Distant, Distance |
| DISTR | Distribute |
| DISTRD | Distributed |
| DISTRG | Distributing |
| DISTRN | Distribution |
| DIVRG | Diverge |
| DIVRGD | Diverged |
| DIVRGG | Diverging |
| DIVRGNC | Divergence |
| DIVRGT | Divergent |
| DKTS | Dakotas |
| DLA | Delay, Delayed, Delaying |
| DLT | Delete |
| DLTD | Deleted |
| DLTG | Deleting |
| DLTN | Deletion |
| DLY | Daily |
| DMNT | Dominant |
| DMNTD | Dominated |
| DMNTG | Dominating |
| DMNTGLY | Dominantly |
| DMNTS | Dominants |
| DMSH | Diminish |
| DMSHD | Diminished |
| DMSHG | Diminishing |
| DN | Down |
| DNDFT | Downdraft |
| DNG | Danger, Dangerous |
| DNGLY | Dangerously |
| DNS | Dense |
| DNSLP | Downslope |
| DNSLY | Densly |
| DNSR | Denser |
| DNSTRM | Downstream |
| DNWND | Downwind |
| DOM | Domestic |
| DOMLY | Domestically |
| DP | Deep |
| DP | Dew Point |
| DPCT | Depict |
| DPCTD | Depicted |
| DPCTG | Depicting |
| DPCTN | Depiction |
| DPCTNS | Depictions |
| DPLR | Doppler (Radar) |
| DPLY | Deeply |
| DPN | Deepen |
| DPNG | Deepening |
| DPR | Deeper |
| DPT | Depth |
| DRDU | Drifting Dust |
| DRFT | Drift, Drifting |
| DRFTS | Drifts |
| DRSN | Drifting Snow |
| DS | Dust Storm |
| DSAPR | Disappear |
| DSAPRD | Disappeared |
| DSAPRG | Disappearing |
| DSCRB | Describe |
| DSCRBD | Described |
| DSCRBG | Describing |
| DSCRBN | Description |
| DSCS | Discuss |
| DSCSD | Discussed |
| DSCSG | Discussing |
| DSCSN | Discussion |
| DSH | Dashed |
| DSIPT | Dissipate |
| DSIPTD | Dissipated |
| DSIPTG | Dissipating |
| DSIPTN | Dissipation |
| DSNT | Descent |
| DSPLC | Displace |
| DSPLCD | Displaced |
| DSPLCG | Displacing |
| DSPLCNT | Displacement |
| DSPR | Disperse |
| DSPRD | Dispersed |
| DSPRG | Dispersing |
| DSPRL | Dispersal |
| DSPRNT | Dispersement |
| DSTBNC | Disturbance |
| DSTBNCS | Disturbances |
| DTCT | Detect |
| DTCTD | Detected |
| DTCTG | Detecting |
| DTCTN | Detection |
| DTCTR | Detector |
| DTCTRS | Detectors |
| DTRM | Determine |
| DTRMD | Determined |
| DTRMG | Determining |
| DTRMN | Determination |
| DTRT | Deteriorate, Deteriorated, Deteriorating |
| DTRTN | Deterioration |
| DU | Dust |
| DUPLCT | Duplicate |
| DUPLCTD | Duplicated |
| DUPLCTG | Duplicating |
| DUPLCTN | Duplication |
| DUPLCTS | Duplicates |
| DUR | Duration |
| DURC | During Climb |
| DURD | During Descent |
| DRG | During |
| DVD | Divide |
| DVDD | Divided |
| DVDG | Dividing |
| DVDN | Division |
| DVLP | Develop |
| DVLPD | Developed |
| DVLPG | Developing |
| DVLPMT | Development |
| DVSST | Davis Strait |
| DZ | Drizzle |
| E | East, Eastern longitude |
| ECTP | Echo Top |
| ECTPS | Echo Tops |
| EFCT | Effect |
| EFCTD | Effected |
| EFCTG | Effecting |
| EFCTS | Effects |
| ELEV | Elevation, Elevate |
| ELEVD | Eleveted |
| ELEVG | Eleveting |
| ELISL | Ellesmere Island |
| ELSW | Elsewhere |
| EM | Emission |
| EMBD | Embed, Embedded |
| ENDD | Ended |
| ENDG | Ending |
| ENE | East-Northeast |
| ENHNC | Enhance, Enhancement |
| ENHNCD | Enhanced |
| ENHNCG | Enhancing |
| ENR | En-Route |
| ENTR | Entire |
| ENTRLY | Entirely |
| ENUF | Enough |
| EQPT | Equipment |
| ER | Here |
| ERLY | Easterly |
| ERLY | Early |
| ERN | Eastern |
| ESE | East-Southeast |
| ESPLY | Especially |
| EST | Estimate, Estimated, Estimating, Estimation |
| EVAP | Evaporation, Evaporate, Evaporated, Evaporating |
| EVDNC | Evidence |
| EVE | Evening |
| EV | Every |
| EXC | Except |
| EXCN | Exception |
| EXTD | Extend, Extended, Extending |
| EXTDN | Extention |
| EXP | Expect, Expected, Expecting, Expectation |
| FAC | Facilities |
| FALG | Falling |
| FAX | Facsimile(s) |
| FC | Funnel Cloud |
| +FC | Tornado(es) |
| +FC | Waterspout(s) (METAR) |
| FCST | Forecast(s) |
| FCSTG | Forecasting |
| FCSTR | Forecaster |
| FCSTRS | Forecasters |
| FEAT | Feature |
| FEATS | Features |
| FEB | February |
| FEW | Few |
| FG | Fog |
| FIC | Flight Information Centre |
| FIL | Fill |
| FILD | Filled |
| FILG | Filling |
| FIR | Flight Information Region |
| FIS | Flight Information Service |
| FL | Flight Level |
| FL | Florida |
| FLD | Field(s) |
| FLO | Flow |
| FLOD | Flowed |
| FLOG | Flowing |
| FLRY | Flurry |
| FLRYS | Flurries |
| FLT | Flight(s) |
| FLUC | Fluctuate, Fluctuated, Fluctuating, Fluctuation |
| FLW | Follow, Followed, Following |
| FLY | Fly, Flying |
| FM | From |
| FRONT | Front(s) |
| FNTGNS | Frontogenesis |
| FNTLYS | Frontolysis |
| FPL | Flight Plan(s) |
| FREQ | Frequency |
| FRI | Friday |
| FRM | Form |
| FRMD | Formed |
| FRMG | Forming |
| FRMS | Forms |
| FRMT | Format |
| FRMTS | Formats |
| FROIN | Frost On The Indicator |
| FROPA | Cold Front Passage |
| FROPA | Frontal Passage |
| FRQ | Frequent |
| FRQLY | Frequently |
| FRTHR | Farther, Further |
| FSS | Flight Service Station(s) |
| FST | First |
| FSTFR | Forest Fire(s) |
| FT | Feet, Foot |
| FTHLS | Foothills |
| FU | Smoke |
| FUNC | Function |
| FUNCS | Functions |
| FUTR | Future |
| FWD | Forward |
| FXBSN | Foxe Basin |
| FYI | For Your Information |
| FZ | Freeze, Freezing |
| FZDZ | Freezing Drizzle |
| FZFG | Freezing Fog |
| FZLVL | Freezing Level |
| FZN | Frozen |
| FZRA | Freezing Rain |
| G | Gust (METAR, TAF) )f) |
| G/A | Ground-To-Air |
| GA | Georgia |
| GASTR | Georgia Strait |
| GBRLK | Great Bear Lake |
| GD | Guide |
| GDD | Guided |
| GDG | Guiding |
| GDNC | Guidance |
| GEN | General |
| GENLY | Generally |
| GENOT | General Notice |
| GFA | Graphic Area Forecast |
| GGNBA | Georgian Bay |
| GLF | Gulf |
| GLFALSK | Gulf of Alaska |
| GLFMEX | Gulf of Mexico |
| GLFSTLAWR | Gulf of St. Lawrence |
| GND | Ground |
| GP | Glide Path |
| GR | Hail |
| GRAD | Gradient |
| GRBNKS | Grand Banks |
| GRDL | Gradual |
| GRDLY | Gradually |
| GRNLD | Greenland |
| GRP | Group(S) |
| GRPD | Grouped |
| GRPG | Grouping |
| GRT | Great |
| GRTLKS | Great Lakes |
| GRTLY | Greatly |
| GS | Snow Pellets |
| GSPPEN | Gaspé Peninsula |
| GSTY | Gusty |
| GSVLK | Great Slave Lake |
| GUD | Good |
| GV | Give |
| GVG | Giving |
| GVN | Given |
| HBR | Harbour |
| HBRS | Harbours |
| HCH | Hatched |
| HCSTR | Hecate Strait |
| HDD | Headed |
| HDG | Head |
| HDG | Heading(s) |
| HEMIS | Hemisphere(s) |
| HGT | Height(s) |
| H | High |
| HIDGW | Haida Gwaii |
| HIST | History |
| HISTLY | Historically |
| HLF | Half |
| HLSTO | Hailstone |
| HLSTOS | Hailstones |
| HLTP | Hill Top |
| HLTPS | Hill Tops |
| HNC | Hence |
| HND | Hundred |
| HNDS | Hundreds |
| HODO | Hodograph |
| HODOS | Hodographs |
| HOL | Holiday(s) |
| HPA | Hectopascal(s) |
| HR | Hour(s) |
| HRZN | Horizon |
| HRZNTL | Horizontal |
| HRZNTLY | Horizontally |
| HSNBA | Hudson Bay |
| HSNSTR | Hudson Strait |
| HTG | Heating |
| HURCN | Hurricane(s) |
| HVY | Heavy |
| HVYLY | Heavily |
| HWVR | However |
| HYR | Higher, Highly |
| HZ | Haze |
| IA | Iowa |
| IC | Ice Crystals |
| ICE | Icing |
| ICEIC | Icing In Cloud |
| ICEIP | Icing In Precipitation |
| ID | Idaho |
| ID | Identifier(s), Identify, Identification |
| IDG | Identifying |
| IFR | Instrument Flight Rules |
| IL | Illinois |
| IMPR | Improve, Improved, Improving |
| IMPRMT | Improvement |
| IMPRMTS | Improvements |
| IMPT | Important |
| IMPTLY | Importantly |
| IMT | Immediate, Immediately |
| IN | Indiana |
| INC | In Cloud |
| INCL | Include |
| INCLD | Included |
| INCLG | Including |
| INCLN | Inclusion |
| INCOMP | Incomplete |
| INCOMPLY | Incompletely |
| INCR | Increase |
| INCRD | Increased |
| INCRG | Increasing |
| INCRGLY | Increasingly |
| INDC | Indicate |
| INDCD | Indicated |
| INDCG | Indicating |
| INDCN | Indication |
| INDEF | Indefinite |
| INDEFLY | Indefinitely |
| INFLNC | Influence |
| INFLNCD | Influenced |
| INFLNCG | Influencing |
| INFO | Information |
| INFR | Inferior |
| INOP | Inoperative |
| INSTBY | Instability |
| INSTD | Instead |
| INSTR | Instrument(s) |
| INT | Intersection(s) |
| INTL | International |
| INTLLY | Internationally |
| INTMT | Intermittent |
| INTMTLY | Intermittently |
| INTR | Interior |
| INTRP | Interrupt, Interruption, Interrupted |
| INTRPG | Interrupting |
| INTS | Intense |
| INTSF | Intensify, Intensifying, Intensified |
| INTSLY | Intensely |
| INTSTN | Intensification |
| INTST | Intensity |
| INVD | Invade |
| INVDD | Invaded |
| INVDG | Invading |
| INVDN | Invasion |
| INVRN | Inversion |
| IR | Infrared |
| ISBR | Isobar |
| ISBRS | Isobars |
| ISLD | Island |
| ISLDS | Islands |
| ISOL | Isolate, Isolated, Isolating, Isolation |
| ISOTRM | Isotherm |
| ISOTRMS | Isotherms |
| JAN | January |
| JCTN | Junction |
| JCTNS | Junctions |
| JDFSTR | Juan De Fuca Strait |
| JMSBA | James Bay |
| JTST | Jetstream |
| JUL | July |
| JUN | June |
| KG | Kilogram(s) |
| KHZ | Kilohertz(s) |
| KM | Kilometer(s) |
| KMH | Kilometers Per Hour |
| KPA | Kilopascal(s) |
| KS | Kansas |
| KT | Knot(s) |
| KTKMT | Kitikmeot |
| KVLQ | Kivalliq |
| KWTN | Keewatin |
| KY | Kentucky |
| L | Low |
| LA | Louisiana |
| LABRDR | Labrador |
| LAN | Inland |
| LAT | Latitude |
| LCA | Local, Locally, location, located |
| LD | Land |
| LDD | Landed |
| LDG | Landing |
| LEE | Lee (Wind) |
| LEN | Length |
| LENT | Lenticular |
| LFT | Lift |
| LFTD | Lifted |
| LFTG | Lifting |
| LG | Long |
| LGR | Longer |
| LGRG | Long Range |
| LGRGMT | Long Range Mountains |
| LGT | Light |
| LGWV | Longwave |
| LGWVS | Longwaves |
| LI | Lifted Index |
| LIFR | Low IFR |
| LINE | Line(s) |
| LK | Lake |
| LKATH | Lake Athabasca |
| LKER | Lake Erie |
| LKHRN | Lake Huron |
| LKLY | Likely |
| LKON | Lake Ontario |
| LKS | Lakes |
| LKSUPR | Lake Superior |
| LKWPG | Lake Winnipeg |
| L LVL JET | Low Level Jet |
| L LVL WS | Low Level Wind Shear |
| LONG | Longitude |
| LRG | Large |
| LRGLY | Largely |
| LRGR | Larger |
| LT | Limit |
| LTD | Limited |
| LTG | Limiting |
| LTGCC | Lightning Cloud to Cloud |
| LTGCG | Lightning Cloud to Ground |
| LTGIC | Lightning In Cloud |
| LTL | Little |
| LTNG | Lightning |
| LTNGS | Lightnings |
| LTR | Later |
| LTS | Limits |
| LV | Light And Variable |
| LVE | Leave, Leaving |
| LVL | Level(s) |
| LWR | Lower |
| LYR | Layer(s), Layered |
| M | Meter(s) |
| MA | Massachusetts |
| MAG | Magnetic |
| MAINT | Maintenance |
| MANL | Manual |
| MANLS | Manuals |
| MAR | March |
| MAX | Maximum |
| MAY | May |
| MB | Manitoba |
| MB | Millibar(s) |
| MCKNZ | Mackenzie |
| MD | Maryland |
| MDFY | Modify |
| MDFYD | Modified |
| MDFYG | Modifying |
| MDFYN | Modification |
| ME | Maine |
| MECH | Mechanical |
| MECHLY | Mechanically |
| MESO | Mesoscale |
| MET | Meteorological |
| METAR | Aerodrome Routine Meteorological Report |
| MHZ | Megahertz(s) |
| MI | Michigan |
| MID | Middle |
| MIDNGT | Midnight |
| MIFG | Shallow Fog |
| MIN | Minute(s) |
| MISD | Missed |
| MISG | Missing |
| MISSIRVR | Mississippi River |
| MN | Minnesota |
| MNLD | Mainland |
| MNLY | Mainly |
| MNM | Minimum |
| MNT | Monitor, Monitored |
| MNTN | Maintain, Maintained, Maintaining |
| MO | Missouri |
| MOD | Moderate, Moderated, Moderating, Moderation |
| MON | Monday |
| MOTN | Motion |
| MOV | Move, Moving, Movement |
| MOVD | Moved |
| MPH | Miles Per Hour |
| MPS | Metre Per Second |
| MRG | Merge |
| MRGD | Merged |
| MRGG | Merging |
| MRGL | Marginal |
| MRGLY | Marginally |
| MRNG | Morning |
| MRTM | Maritime |
| MS | Mississippi |
| MSG | Message(s) |
| MSL | Mean Sea Level |
| MSR | Measure |
| MSRD | Measured |
| MSRG | Measuring |
| MSRNT | Measurement |
| MSRNTS | Measurements |
| MSRS | Measures |
| MST | Moist |
| MSTLY | Mostly |
| MSTR | Moisture |
| MT | Montana |
| MT | Mountain(s) |
| MTU | Metric Units |
| MTW | Mountain Waves |
| MVFR | Marginal VFR |
| MWO | Meteorological Watch Office(s) |
| MX | Mixed type of ice formation (white and clear) |
| MXG | Mixing |
| MXTR | Mixture |
| N | North or Northern latitude |
| NAM | North America |
| NAT | North Atlantic |
| NAV | Navigation |
| NB | New Brunswick |
| NBRLDSTR | Northumberland Strait |
| NC | No Change |
| NC | North Carolina |
| ND | North Dakota |
| NE | Nebraska |
| NE | Northeast |
| NEC | Necessary |
| NECLY | Necessarily |
| NEG | Negative |
| NEGLY | Negatively |
| NELY | Northeasterly |
| NERN | Northeastern |
| NEWENG | New England |
| NF | Newfoundland |
| NGT | Night(s) |
| NGTM | Nighttime |
| NH | New Hampshire |
| NIL | None |
| NJ | New Jersey |
| NL | Newfoundland and Labrador |
| NLY | Northerly |
| NM | Nautical Mile(s) |
| NM | New Mexico |
| NML | Normal |
| NMLY | Normally |
| NMRS | Numerous |
| NNE | North-Northeast |
| NNW | North-Northwest |
| NOV | November |
| NP | North Pole |
| NR | Near |
| NR | Number(s) |
| NRG | Nearing |
| NRLY | Nearly |
| NRN | Northern |
| NRSTR | Nares Strait |
| NRW | Narrow |
| NS | Nimbostratus |
| NS | Nova Scotia |
| NSW | Nil Significant Weather |
| NT | Northwest Territories |
| NTFY | Notify |
| NTFYD | Notified |
| NTFYG | Notifying |
| NTFYN | Notification |
| NU | Nunavut |
| NUMCL | Numerical |
| NUMCLY | Numerically |
| NV | Nevada |
| NVA | Negative Vorticity Advection |
| NW | Northwest |
| NWLY | Northwesterly |
| NWRN | Northwestern |
| NXT | Next |
| NY | New York |
| O/R | On Request |
| OBS | Observe, Observed Observation(s), |
| OBSC | Obscure, Obscured, Obscuring |
| OBSCN | Obscuration |
| OBST | Obstruct, Obstacle(s) |
| OBSTD | Obstructed |
| OBSTG | Obstructing |
| OBSTN | Obstruction |
| OCLD | Occlude, Occluded |
| OCLDG | Occluding |
| OCLN | Occlusion |
| OCLNS | Occlusions |
| OCN | Ocean |
| OCNL | Occasional, Occasionally |
| OCNS | Oceans |
| OCR | Occur |
| OCRD | Occurred |
| OCRG | Occurring |
| OCRNC | Occurrence |
| OCT | October |
| OFSHR | Offshore |
| OH | Ohio |
| OHD | Overhead |
| OK | Oklahoma |
| ON | Ontario |
| ONSHR | Onshore |
| OPN | Open, Opened, Opening |
| OPNLY | Openly |
| OPR | Operator(s) |
| OPS | Operation(s) |
| OPSD | Operated |
| OPSG | Operating |
| OR | Oregon |
| ORGPHC | Orographic |
| ORGPHCLY | Orographically |
| ORGZ | Organize |
| ORGZD | Organized |
| ORGZG | Organizing |
| ORGZN | Organization |
| ORIG | Original |
| ORIGLY | Originally |
| ORIGS | Originals |
| ORIGT | Originate |
| ORIGTD | Originated |
| ORIGTG | Originating |
| ORNT | Orient |
| ORNTD | Oriented |
| ORNTG | Orienting |
| ORNTN | Orientation |
| OTLK | Outlook |
| OTP | On Top |
| OTWZ | Otherwise |
| OVC | Overcast |
| OVR | Over |
| OVRLD | Over The Land |
| OVRLP | Overlap |
| OVRLY | Overly |
| OVRN | Overrun |
| OVRND | Overrunned |
| OVRNG | Overrunning |
| OVRNGT | Overnight |
| OVRSEA | Over the Sea |
| OVRSTRS | Over the Straits |
| P | Polar |
| PA | Pennsylvania |
| PAC | Pacific |
| PARA | Paragraph |
| PARL | Parallel |
| PATN | Pattern |
| PATNS | Patterns |
| PCD | Proceed, Proceeding |
| PCPN | Precipitations |
| PCPNS | Precipitations |
| PCRGN | Peace River Region |
| PD | Period |
| PDMT | Predominate, Predominant |
| PDMTD | Predominated |
| PDMTG | Predominating |
| PDMTLY | Predominantly |
| PDS | Periods |
| PE | Prince Edward Island |
| PER | Performance |
| PERM | Permanent |
| PERMLY | Permanently |
| PGTSND | Puget Sound |
| PHS | Phase(s) |
| PIBAL | Pilot Balloon Observation |
| PIREP | Pilot Report(s) |
| PIX | Picture |
| PIXS | Pictures |
| PL | Ice Pellets |
| PLS | Please |
| PNHDL | Panhandle |
| PO | Dust Whirls |
| PO | Sand Whirls |
| POS | Positive |
| POSLY | Positively |
| POSS | Possible, Possibly |
| PRCPL | Principal |
| PRCPLY | Principally |
| PRCTN | Precaution |
| PRCTNS | Precautions |
| PRECD | Precede |
| PRECDD | Preceded |
| PRECDG | Preceding |
| PRECDNC | Precedence |
| PRELIM | Preliminary |
| PREP | Prepare |
| PREPD | Prepared |
| PREPG | Preparing |
| PREPN | Preparation |
| PRES | Pressure |
| PRESFR | Pressure Falling Rapidly |
| PRESRR | Pressure Rising Rapidly |
| PREV | Previous |
| PREVLY | Previously |
| PRFG | Fog Covering Part of the Aerodrome |
| PRFR | Prefer |
| PRFRD | Preferred |
| PRFRG | Preferring |
| PRFRLY | Preferably |
| PRFRNC | Preference |
| PRI | Primary |
| PRIMLY | Primarily |
| PROB | Probability |
| PROC | Procedure(s) |
| PROG | Prognosis, Prognostic |
| PROV | Provisional, Provisionally |
| PRSNT | Present |
| PRSNTLY | Presently |
| PRST | Persist |
| PRSTD | Persisted |
| PRSTG | Persisting |
| PRSTNC | Persistence |
| PRVD | Provide |
| PRVDD | Provided |
| PRVDG | Providing |
| PRVDN | Provision |
| PSG | Passage, Passing |
| PSN | Position(s) |
| PT | Point |
| PTCH | Patch |
| PTCHS | Patches |
| PTCHY | Patchy |
| PTLY | Partly |
| PTN | Portion |
| PTNL | Potential |
| PTNLY | Potentially |
| PTNS | Portions |
| PTS | Points |
| PUB | Public |
| PUBLY | Publicly |
| PVA | Positive Vorticity Advection |
| PVL | Prevail |
| PVLD | Prevailed |
| PVLG | Prevailing |
| PVLNC | Prevalence |
| PVLT | Prevalent |
| PWR | Power |
| QC | Quebec |
| QCHSND | Queen Charlotte Sound |
| QCHSTR | Queen Charlotte Strait |
| QNTY | Quantity |
| QNTYTV | Quantitative |
| QNTYTVLY | Quantitatively |
| QPF | Quantitative Precipitation Forecast |
| QTR | Quarter |
| QTRS | Quarters |
| QUAD | Quadrant(s) |
| RA | Rain |
| RAD | Radius |
| RADN | Radiation |
| RADNS | Radiations |
| RAG | Ragged |
| RAOB | Radiosonde Observation |
| RAREP | Radar Report |
| RAREPS | Radar Reports |
| RAWIN | Upper Wind From Radiosonde Observation |
| RCH | Reach, Reached, Reaching |
| RCKY | Rockies |
| RCMD | Recommend |
| RCMDD | Recommended |
| RCMDG | Recommending |
| RCMDN | Recommendation |
| RCPTN | Reception |
| RDG | Ridge |
| RDGS | Ridges |
| RDL | Radial |
| RDO | Radio |
| RDOACT | Radioactive |
| RDR | Radar |
| RE | Recent |
| REC | Receive, Received, Receiving, Receiver |
| REF | Reference |
| REFS | References |
| REG | Regular |
| REGLY | Regularly |
| REP | Report(s), Reported, Reporting |
| REQ | Request(s), Rerquested |
| RFC | Reflect |
| RFCD | Reflected |
| RFCG | Reflecting |
| RFCN | Reflection |
| RFCNS | Reflections |
| RFRM | Reform |
| RFRMS | Reforms |
| RG | Range(s) |
| RGN | Region |
| RGNS | Regions |
| RH | Relative Humidity |
| RI | Rhode Island |
| RIME | Rime icing |
| RLA | Relay |
| RLAD | Relayed |
| RLAG | Relaying |
| RLBL | Reliable |
| RLBLY | Reliably |
| RLS | Release |
| RLSD | Released |
| RLSG | Releasing |
| RLTV | Relative |
| RLTVLY | Relatively |
| RMK | Remark(s) |
| RMN | Remain |
| RMND | Remained |
| RMNG | Remaining |
| ROFOR | Route Forecast |
| ROFORS | Route Forecasts |
| ROT | Rotate |
| ROTD | Rotated |
| ROTG | Rotating |
| ROTN | Rotation |
| RPD | Rapid |
| RPDLY | Rapidly |
| RPLC | Replace, Replaced, |
| RPLCG | Replacing |
| RPLCNT | Replacement |
| RPT | Repeat |
| RPTD | Repeated |
| RPTG | Repeating |
| RPTLY | Repeatedly |
| RQR | Require |
| RQRD | Required |
| RQRG | Requiring |
| RQRMT | Requirement |
| RRT | Rainfall Rate |
| RSG | Rising |
| RSN | Reason |
| RSNS | Reasons |
| RSTR | Restrict |
| RSTRD | Restricted |
| RSTRG | Restricting |
| RSTRN | Restriction |
| RSTRNS | Restrictions |
| RTE | Route(s) |
| RTHR | Rather |
| RTN | Return, Returned, Returning |
| RUF | Rough |
| RUFLY | Roughly |
| RVR | Runway Visual Range |
| RVS | Revise |
| RVSD | Revised |
| RVSG | Revising |
| RVSN | Revision |
| RWY | Runway(s) |
| S | South, Southern latitude |
| SA | Sand |
| SAR | Search And Rescue |
| SAT | Satellite |
| SATCOM | Satellite Communication |
| SATS | Satellites |
| SBJV | Subjective |
| SBJVLY | Subjectively |
| SBSD | Subside |
| SBSDD | Subsided |
| SBSDG | Subsiding |
| SBSDNC | Subsidence |
| SC | South Carolina |
| SC | Stratocumulus |
| SCND | Second (Next) |
| SCT | Scattered, Scatter |
| SCTG | Scattering |
| SD | South Dakota |
| SE | Southeast |
| SEC | Second (Time) |
| SECN | Section(s) |
| SECT | Sector(s) |
| SEL | Select |
| SELD | Selected |
| SELG | Selecting |
| SELN | Selection |
| SELY | Southeasterly |
| SEP | September |
| SER | Service(s), served, servicing |
| SERN | Southeastern |
| SETG | Setting |
| SETL | Settle |
| SETLD | Settled |
| SETLG | Settling |
| SEV | Severe |
| SF | Stratus Fractus |
| SFC | Surface(s) |
| SG | Snow Grains |
| SGL | Signal(s) |
| SH | Shower(s) |
| SHFT | Shift |
| SHFTD | Shifted |
| SHFTG | Shifting |
| SHGR | Hail Shower(s) |
| SHGS | Snow Pellet Shower(s) |
| SHLW | Shallow |
| SHPL | Ice Pellet Shower(s) |
| SHR | Shore |
| SHRA | Rain Shower(s) |
| SHRS | Shores |
| SHRT | Short |
| SHRTLY | Shortly |
| SHSN | Snow Shower(s) |
| SHTDN | Shutdown |
| SHUD | Should |
| SI | Stability Index |
| SIG | Significant |
| SIGLY | Significantly |
| SIGMET | Information Concerning En- Route Weather Phenomena Which May Affect The Safety Of Aircraft Operations |
| SIGNTR | Signature |
| SIGNTRS | Signatures |
| SIGWX | Significant Weather |
| SIMUL | Simultaneous, Simultaneously |
| SITU | Situation |
| SITUS | Situations |
| SK | Saskatchewan |
| SK | Sky Condition (PIREP) |
| SKC | Sky Clear |
| SKED | Schedule(s) |
| SKED | Scheduled |
| SKED | Scheduling |
| SLGT | Slight |
| SLGTLY | Slightly |
| SLKRS | Selkirks Mountains |
| SLP | Sea Level Pressure |
| SLP | Slope |
| SLPD | Sloped |
| SLPG | Sloping |
| SLW | Slow, Slowed, Slowing, Slowly |
| SLY | Southerly |
| SML | Small |
| SMRY | Summary |
| SMTH | Smooth |
| SMTM | Sometimes |
| SMWHT | Somewhat |
| SN | Snow |
| SNFL | Snowfall |
| SNFLS | Snowfalls |
| SNSQ | Snow Squall(s) |
| SPD | Speed |
| SPECI | Aerodrome Special Meteorological Report |
| SPECI | Specials |
| SPKL | Sprinkle |
| SPKLD | Sprinkled |
| SPKLG | Sprinkling |
| SPKLS | Sprinkles |
| SPRD | Spread |
| SPRDD | Spreaded |
| SPRDG | Spreading |
| SPRL | Spiral |
| SPRLD | Spiralled |
| SPRLG | Spiralling |
| SPRLS | Spirals |
| SQ | Squall(s) |
| SQL | Squall Line(s) |
| SQNC | Sequence |
| SR | Sunrise |
| SRC | Source |
| SRCS | Sources |
| SRG | Short Range |
| SRN | Southern |
| SS | Sandstorm |
| SS | Sunset |
| SSE | South-Southeast |
| SSW | South-Southwest |
| SSWX | Summer Severe Weather |
| ST | Stratus |
| STAG | Stagnant |
| STAGS | Stagnants |
| STATS | Statistics |
| STBL | Stable |
| STD | Standard(s) |
| STDY | Steady |
| STDYLY | Steadily |
| STF | Stratiform |
| STFD | Staffed |
| STG | Strong |
| STGLY | Strongly |
| STGR | Stronger |
| STGT | Strength |
| STGTN | Strengthen |
| STGTND | Strengthened |
| STGTNG | Strengthening |
| STLAWR | St. Lawrence |
| STM | Storm |
| STMS | Storms |
| STN | Station(s) |
| STNR | Stationary |
| STP | Stop |
| STPD | Stopped |
| STPG | Stopping |
| STPL | Stippled |
| STR | Strait |
| STRBI | Strait of Belle Isle |
| STRM | Stream |
| STRMD | Streamed |
| STRMG | Streaming |
| STRMS | Streams |
| STRS | Straits |
| SUG | Suggest |
| SUGD | Suggested |
| SUGG | Suggesting |
| SUGN | Suggestion |
| SUN | Sunday |
| SUP | Supplement(s) (AIP) |
| SUPPLD | Supplemented |
| SUPPLG | Supplementing |
| SUPR | Superior |
| SUPRT | Support |
| SUPRTD | Supported |
| SUPRTG | Supporting |
| SUPSD | Supersede |
| SUPSDD | Superseded |
| SUPSDG | Superseding |
| SVRL | Several |
| SW | Southwest |
| SWLY | Southwesterly |
| SWRN | Southwestern |
| SWV | Shortwave |
| SWVS | Shortwaves |
| SYNO | Synopsis, Synoptic |
| SYS | System(s) |
| T | Temperature(s) |
| TAF | Aerodrome Forecast |
| TAF | Aerodrome Forecasts |
| TC | Tropical Cyclone(s) |
| TCU | Towering Cumulus |
| TDA | Today |
| TECH | Technician |
| TECHL | Technical |
| TECHLY | Technically |
| TECHS | Technicians |
| TECR | Technical Reason(s) |
| TEL | Telephone(s) |
| TELECOM | Telecommunication |
| TEMPO | Temporary |
| TEPHI | Tephigram |
| TEPHIS | Tephigrams |
| TFC | Traffic |
| THK | Thick |
| THKN | Thicken |
| THKNG | Thickening |
| THKR | Thicker |
| THN | Thin |
| THNC | Thence |
| THNG | Thinning |
| THNR | Thinner |
| THRFTR | Thereafter |
| THRML | Thermal |
| THRMLY | Thermally |
| THRU | Through |
| THRUT | Throughout |
| THSD | Thousand |
| THSDS | Thousands |
| THU | Thursday |
| TIL | Until |
| TKOF | Take-Off |
| TL | Till |
| TLTP | Teletype |
| TMW | Tomorrow |
| TN | Minimum Temperature (TAF) |
| TN | Tennessee |
| TNDCY | Tendency |
| TNGT | Tonight |
| TOP | Cloud Top(s) |
| TPG | Topping |
| TR | Trace |
| TR | Track(s), Tracked, Tracking |
| TRAJ | Trajectory |
| TRAJS | Trajectories |
| TRANS | Transmit, Transmitted, Transmitting, Transmission |
| TRML | Terminal |
| TRMLS | Terminals |
| TRNMT | Torngat Mountains |
| TROF | Trough |
| TROF | Troughs |
| TROP | Tropopause |
| TROPCL | Tropical |
| TROWAL | Trough Of Warm Air Aloft |
| TRRN | Terrain |
| TRS | Traces |
| TS | Thunderstorm(s) |
| TSFR | Transfer |
| TSFRD | Transferred |
| TSFRG | Transferring |
| TUE | Tuesday |
| TUKPEN | Tuktoyaktuk Peninsula |
| TURB | Turbulence |
| TWB | Transcribed Weather Broadcast |
| TWD | Toward |
| TWLGT | Twilight |
| TWRG | Towering |
| TX | Maximum Temperature (TAF) |
| TX | Texas |
| TYP | Type Of Aircraft |
| TYPH | Typhoon(s) |
| UA | Routine PIREP |
| UA | Upper Air |
| UAS | Routine PIREPs |
| UFN | Until Further Notice |
| UNA | Unable |
| UNAVBL | Unavailable |
| UNGBA | Ungava Bay |
| UNL | Unlimited |
| UNLK | Unlike |
| UNLKLY | Unlikely |
| UNLS | Unless |
| UNREL | Unreliable |
| UNRELY | Unreliably |
| UNSETL | Unsettle |
| UNSETLD | Unsettled |
| UNSKED | Unscheduled |
| UNSTBL | Unstable |
| UNSTDY | Unsteady |
| UP | Unidentified precipitation (used in automated METAR/SPECI) |
| UPDFT | Updraft |
| UPDFTS | Updrafts |
| UPR | Upper |
| UPSLP | Upslope |
| UPSTRM | Upstream |
| UPWND | Upwind |
| URG | Urgent |
| URGLY | Urgently |
| USBL | Usable |
| UT | Utah |
| UTC | Universal Time Coordinated |
| UUA | Urgent PIREP |
| UUAS | Urgent PIREPs |
| VA | Virginia |
| VA | Volcanic Ash |
| VC | Vicinity (of the aerodrome) |
| VCBLDU | Blowing Dust In The Vicinity |
| VCBLSA | Blowing Sand In Vicinity |
| VCBLSN | Blowing Snow In Vicinity |
| VCDS | Duststorm In Vicinity |
| VCFG | Fog (Any Type) In Vicinity |
| VCPO | Dust Whirls in Vicinity |
| VCPO | Sand Whirls in Vicinity |
| VCSH | Shower (Any Type) in Vicinity |
| VCSS | Sandstorm in Vicinity |
| VER | Vertical, Vertically |
| VFR | Visual Flight Rules |
| VFY | Verify |
| VFYD | Verified |
| VFYG | Verifying |
| VFYN | Verification |
| VIA | By way of, Via |
| VICISL | Victoria Island |
| VIS | Visibility |
| VISBL | Visible |
| VISL | Visual |
| VISLY | Visually |
| VLNT | Violent |
| VLNTLY | Violently |
| VLY | Valley |
| VLYS | Vallies |
| VORT | Vorticity |
| VPR | Vapour |
| VR | Veer |
| VRB | Variable |
| VRBLY | Variably |
| VRD | Veered |
| VRG | Veering |
| VRISL | Vancouver Island |
| VRTN | Variation |
| VRTNS | Variations |
| VRY | Very |
| VT | Vermont |
| VV | Vertical Visibility |
| W | West or Western longitude |
| WA | Washington |
| WAA | Warm Air Advection |
| WB | Wet Bulb |
| WDLY | Widely |
| WDR | Wider |
| WDSPR | Widespread |
| WED | Wednesday |
| WI | Wisconsin |
| WI | Within |
| WID | Wide, Width |
| WIND | Wind |
| WK | Weak |
| WKN | Weaken, Weakening |
| WKR | Weaker |
| WLY | Westerly |
| WNW | West-Northwest |
| WO | Without |
| WRM | Warm |
| WRMG | Warming |
| WRMR | Warmer |
| WRN | Western |
| WRN | Warn |
| WRNG | Warning |
| WRS | Worse |
| WRSN | Worsen |
| WRSNG | Worsening |
| WS | Wind Shear |
| WSHFT | Wind Shift |
| WSPD | Wind Speed |
| WSW | West-Southwest |
| WSWX | Winter Severe Weather |
| WT | Weight |
| WTR | Water |
| WTRS | Waters |
| WTSPT | Waterspout(s) |
| WV | Wave |
| WVS | Waves |
| WX | Weather |
| WY | Wyoming |
| XNG | Crossing |
| XPND | Expand |
| XPNDD | Expanded |
| XPNDG | Expanding |
| XPNDN | Expansion |
| XPOS | Expose |
| XPOSD | Exposed |
| XPOSG | Exposing |
| XTNSV | Extensive |
| XTNSVLY | Extensively |
| XTRAP | Extrapolation |
| XTRM | Extreme |
| XTRMLY | Extremely |
| YDA | Yesterday |
| YT | Yukon |
| Z | Zulu (UTC) Universal Time Coordinated |