factor/extra/metar/glossary.txt

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$,maintenance check indicator
A01,station without a precipitation discriminator
A02,station with a precipitation discriminator
AAF,Army Air Field
AAL,above aerodrome level
AATM,at all times
ABD,aboard
ABNDT,abundant
ABNML,abnormal
ABT,about
ABV,above
AC,altocumulus
ACARS,aircraft communication addressing & reporting system
ACC,altocumulus castellanus
ACCUM,accumulate
ACFT,aircraft
ACK,acknowledge
ACL,altimeter check location
ACLD,above clouds
ACLT,accelerate
ACPT,accept
ACR,air carrier
ACRBT,acrobatic
ACRS,across
ACSL,standing lenticular altocumulus
ACT,active/activated/activity
ACTG,acting
ACTV,active
ACTVT,activate
ACYC,anticyclonic
ADA,advisory area
ADDN,addition
ADF,automatic direction finder
ADIZ,air defense identification zone
ADJ,adjacent
ADQT,adequate
ADRNDCK,adirondack
ADV,advise
ADVCTN,advection
ADVN,advance
ADVY,advisory
ADVZY,advisory
AFB,Air Force Base
AFCT,affect
AFD,Airport/Facility Directory
AFDK,after dark
AFSS,Automated Flight Service Station
AFT,after
AFTN,afternoon
AGL,above ground level
AHD,ahead
AIM,Aeronautical Information Manual
AIREPS,aircraft reports
AIRMET,Airmen's Meteorological Information
ALF,aloft
ALG,along
ALGHNY,Allegheny
ALNMT,alignment
ALP,aircraft location point
ALQDS,all quadrants
ALQS,all quadrants
ALS,approach light system
ALSEC,all sectors
ALSF-1,standard 2400' high-intensity approach lighting system with sequenced flashers (Category I configuration)
ALSF-2,standard 2400' high-intensity approach lighting system with sequenced flashers (Category II configuration)
ALSTG,altimeter setting
ALT,altitude
ALTA,Alberta
ALTM,altimeter
ALTN,alternate
ALUTN,Aleutian
AM,ante meridiem
AMB,amber
AMD,amended
AMS,air mass
AMSL,above mean sea level
ANAPROP,anomalous propagation
ANCPT,anticipate
AND,and
ANLYS,analysis
AO1,station without a precipitation discriminator
AO2,station with a precipitation discriminator
AOA,at or above
AOB,at or below
AOE,airport of entry
APCH,approach
APL,airport lights
APLCN,Appalachian
APN,Apron
APRNT,apparent
APROP,appropriate
APRX,approximately
ARB,Air Reserve Base
ARFOR,area forecast
ARINC,Aeronautical Radio, Incorporated
ARND,around
ARTC,air route traffic control
ARTCC,Air Route Traffic Control Center
AS,altostratus
ASAP,as soon as possible
ASDA,accelerate-stop distance available
ASDAR,aircraft to satellite data relay
ASL,above sea level
ASOS,Automated Surface Observing System
ASPH,asphalt
ASSOCD,associated
ATA,actual time of arrival
ATCT,airport traffic control tower
ATIS,automatic terminal information service
ATLC,Atlantic
AURBO,Aurora Borealis
AUTH,authorized
AUTO,automated report
AVG,average
AVGAS,aviation gasoline
AWOS,automatic weather observing/reporting system
AWS,automatic weather station
AWY,airway
AZM,azimuth
B,began
BA,braking action
BACLIN,Baroclinic
BAJA,Baja California
BATROP,Barotropic
BC,British Columbia
BCH,beach
BCKG,backing
BCM,become
BCMG,becoming
BCMS,becomes
BD,blowing dust
BDA,bermuda
BDRY,boundary
BECMG,becoming
BFDK,before dark
BFR,before
BGN,begin
BGNG,beginning
BGNS,begins
BHND,behind
BINOVC,breaks in overcast
BKN,broken
BLD,build
BLDG,building
BLDS,builds
BLDUP,buildup
BLKHLS,Black Hills
BLKT,blanket
BLKTG,blanketing
BLKTS,blankets
BLO,below
BLU,blue
BLW,below
BLZD,blizzard
BN,blowing sand
BND,bound
BNDRY,boundary
BNDRYS,boundaries
BNK,bank
BNTH,beneath
BOOTHEEL,Bootheel
BR,branch
BRF,brief
BRG,branching
BRK,break
BRKG,breaking
BRKHIC,breaks in higher clouds
BRKS,breaks
BRKSHR,Berkshire
BRKSHRS,Berkshires
BRM,barometer
BRS,branches
BS,blowing snow
BTWN,between
BYD,by day
C,center
CA,California
CAA,cold air advection
CARIB,Caribbean
CASCDS,Cascades
CAT,clear air turbulence
CAVOK,ceiling and visibility OK
CAVU,ceiling and visibility unlimited
CB,cumulonimbus cloud
CBMAM,cumulonimbus mammatus cloud
CBS,cumulonimbi
CC,cirrocumulus cloud
CCLDS,clear of clouds
CCLKWS,counter-clockwise
CCSL,cirrocumulus standing lenticular cloud
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
CHI,cloud-height indicator
CHINO,sky condition at secondary location not available
CHSPK,Chesapeake
CI,cirrus
CIG,ceiling
CIGS,ceilings
CLD,cloud
CLDNS,cloudiness
CLDS,clouds
CLKWS,clockwise
CLR,clear sky
CLRG,clearing
CLRS,clears
CMPLX,complex
CNCL,cancel
CNCLD,cancelled
CNCLG,cancelling
CNCLS,cancels
CNDN,Canadian
CNFDC,confidence
CNTR,center
CNTRD,centered
CNTRL,central
CNTRLN,centerline
CNTRS,Centers
CNTY,County
CNTYS,Counties
CNVG,converge
CNVGG,converging
CNVGNC,convergence
CNVTN,convection
CNVTV,convective
CNVTVLY,convectively
CO,Colorado
COMPAR,compare
COMPARD,compared
COMPARG,comparing
COMPARS,compares
COND,conditions
CONDS,conditions
CONS,constant/continuous
CONT,continue
CONTD,continued
CONTDVD,Continental Divide
CONTG,continuing
CONTLY,continually
CONTRAILS,Condensation Trails
CONTS,continues
CONUS,Continental U.S.
COORD,coordinate
COR,correction to a previously disseminated observation
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
CUCON,cumulus congestus cloud
CUFRA,cumulus fractus
CUHU,cumulus humilis cloud
CUMED,cumulus medicoris cloud
CVR,cover
CVRD,covered
CVRG,covering
CVRS,covers
CYC,cyclonic
CYCLGN,cyclogenesis
DABRK,daybreak
DALGT,day light
DALR,dry adiabatic lapse rate
DATA,data
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
DEPTH,depth
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
DOC,Department of Commerce
DOD,Department of Defense
DOT,Department of Transportation
DP,deep
DPND,deepened
DPNG,deepening
DPNS,deepens
DPR,deeper
DPTH,depth
DRFT,drift
DRFTD,drifted
DRFTG,drifting
DRFTS,drifts
DRY,dry
DRZL,drizzle
DSCNT,descent
DSIPT,dissipate
DSIPTD,dissipated
DSIPTG,dissipating
DSIPTN,dissipation
DSIPTS,dissipates
DSND,descend
DSNDG,descending
DSNDS,descends
DSNT,distant
DSPTD,dissipated
DSTBLZ,destabilize
DSTBLZD,destabilized
DSTBLZG,destablizing
DSTBLZN,destablization
DSTBLZS,destablizes
DSTC,distance
DTRT,deteriorate
DTRTD,deteriorated
DTRTG,deteriorating
DTRTS,deteriorates
DURG,during
DURN,duration
DVLP,develop
DVLPD,developed
DVLPG,developing
DVLPMT,development
DVLPS,develops
DVR,dispatch visual range
DVRG,diverge
DVRGG,diverging
DVRGNC,divergence
DVRGS,diverges
DVV,downward vertical velocity
DWNDFTS,downdrafts
DWPNT,dewpoint
DWPNTS,dewpoints
DX,duplex
E,east
EBND,east bound
ECMWF,European Centre for Medium Range Weather Forecasts
EFCT,effect
ELNGT,elongate
ELNGTD,elongated
ELR,environmental lapse rate
ELSW,elsewhere
EMBD,embedded
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
ENHNCMNT,enhancement
ENHNCS,enhances
ENTR,entire
ERN,eastern
ERY,early
ERYR,earlier
ESE,east-southeast
ESELY,east-southeasterly
ESERN,east-southeastern
ESEWD,east-southeastward
ESNTL,essential
ESTAB,establish
ESTIMATE,estimate
ESTMD,estimated
ESTS,estimates
ETA,eta model
ETC,et cetera
ETIM,elapsed time
EUMETSTAT,European Meteorological Satellite
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
FAA,Federal Aviation Administration
FAH,Farenheit
FAM,familiar
FCST,forecast
FCSTD,forecasted
FCSTG,forecasting
FCSTR,forecaster
FCSTS,forecasts
FEW,few
FIBI,filed but impracticable to transmit
FIG,figure
FILG,filling
FIRAV,first available
FIRST,first observation after a break in coverage at manual station
FL,Florida
FLG,falling
FLOP,floating-point operation
FLOPS,floating-point operations
FLRY,flurry
FLRYS,flurries
FLT,flight
FLW,follow
FLWG,following
FM,from
FMH-1,Federal Meteorological Handbook No.1, Surface Weather Observations & Reports (METAR)
FMH2,Federal Meteorological Handbook No.2, Surface Synoptic Codes
FMT,format
FNCTN,function
FNT,front
FNTGNS,frontogenesis
FNTL,frontal
FNTLYS,frontolysis
FNTS,fronts
FORNN,forenoon
FPM,feet per minute
FPS,feet per second
FQT,frequent
FQTLY,frequently
FRM,form
FRMG,forming
FRMN,formation
FROIN,Frost On The Indicator
FROPA,frontal passage
FROSFC,frontal surface
FRQ,frequent
FRST,frost
FRWF,forecast wind factor
FRZ,freeze
FRZG,freezing
FRZN,frozen
FT,feet
FTHR,further
FVRBL,favorable
FWD,forward
FYI,for your information
FZRANO,freezing rain sensor not available
G,gust
GA,Georgia
GARP,Global Atmospheric Research Programme
GCM,global computer model
GEN,general
GENLY,generally
GEO,geographic
GEOREF,geographical reference
GEOS,geostationary satellite
GF,ground fog
GICG,glaze icing
GLFALSK,Gulf of Alaska
GLFCAL,Gulf of California
GLFMEX,Gulf of Mexico
GLFSTLAWR,Gulf of St. Lawrence
GMT,Grenwich Mean Time
GND,ground
GNDFG,ground fog
GRAD,gradient
GRDL,gradual
GRDLY,gradually
GRN,green
GRT,great
GRTLKS,Great Lakes
GRTLY,greatly
GRTR,greater
GRTST,greatest
GSTS,gusts
GSTY,gusty
GTS,Global Telecommunications System
GV,ground visibility
HAZ,hazard
HCVIS,high clouds visible
HDFRZ,hard freeze
HDSVLY,Hudson Valley
HDWND,head wind
HFS,high-friction surface
HGT,height
HI,high
HIER,higher
HIFOR,high level forecast
HLF,half
HLSTO,hailstone
HLTP,hilltop
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
IA,Iowa
IC,ice
ICAO,International Civil Aviation Organization
ICG,icing
ICGIC,icing in clouds
ICGIP,icing in precipitation
ID,Idaho
IFR,IFR
IL,Illinois
IMDT,immediate
IMDTLY,immediately
IMO,International Meteorological Organization (now WMO)
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
INSAT,Indian Satellite
INSTBY,instability
INTCNTL,intercontinental
INTL,international
INTMD,intermediate
INTMT,intermittent
INTMTLY,intermittently
INTO,into
INTR,interior
INTRMTRGN,intermountain region
INTS,intense
INTSFCN,intensification
INTSFY,intensify
INTSFYD,intensified
INTSFYG,intensifying
INTSFYS,intensifies
INTSTY,intensity
INTVL,interval
INVOF,in vicinity of
INVRN,inversion
IOVC,in overcast
IP,ice pellets
IPV,improve
IPVG,improving
IR,ice on the runway
ISOL,isolated
ISOLD,isolated
ITCZ,Inter-Tropical Convergence Zone
JCTN,junction
JTSTR,jetstream
KFRST,killing frost
KLYR,smoke layer aloft
KOCTY,smoke over city
KS,Kansas
KT,knots
KY,Kentucky
L,left
LA,Louisiana
LABRDR,Labrador
LAM,Limited Area model
LAST,last observation before a break in coverage at a manual station
LAT,latitude
LCL,local
LCLY,locally
LCTD,located
LCTMP,little change in temperature
LCTN,location
LDG,landing
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
LKLY,likely
LKS,lakes
LLJ,low level jet
LLWAS,low level wind shear alert system
LLWS,low level wind shear
LMTD,limited
LMTG,limiting
LMTS,limits
LN,lines
LO,low
LONG,longitude
LONGL,longitudnal
LORAN,Long Range Navigation
LRG,large
LRGLY,largely
LRGR,larger
LRGST,largest
LSR,loose snow on the runway
LST,Local Standard Time
LTD,limited
LTG,lightning
LTGCC,lightning cloud-to-cloud
LTGCCCG,lightning cloud-to-cloud cloud-to-ground
LTGCG,lightning 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
MEDIUM,medium
MEGG,merging
MESO,Mesoscale
MET,meteorological
METAR,aviation routine weather report
METEOSAT,Meteorological Satellite
METRO,metropolitan
MEX,Mexico
MHKVLY,Mohawk Valley
MI,Michigan
MID,middle
MIDN,midnight
MIL,military
MIN,minimum
MISG,missing
MLTLVL,melting level
MN,Minnesota
MNLND,Mainland
MNLY,mainly
MO,Missouri
MOD,moderate
MOGR,Moderate or greater
MOS,Model Output Statistics
MOV,moved/moving/movement
MOVD,moved
MOVG,moving
MOVMT,movement
MOVS,moves
MPH,miles per hour
MPS,meters per second
MRF,medium range forecast
MRGL,marginal
MRGLLY,marginally
MRNG,morning
MRTM,maritime
MS,Mississippi
MSG,message
MSHP,mishap
MSL,mean sea level
MSLP,mean sea level pressure
MST,most
MSTLY,mostly
MSTR,moisture
MT,mountains
MTN,mountain
MTNS,mountains
MTW,mountain waves
MULT,multiple
MULTILVL,multi-level
MVFR,marginal VFR
MXD,mixed
N,north
N/A,not applicable
NAB,not above
NAT,North Atlantic
NATL,national
NAV,navigation
NB,New Brunswick
NBND,northbound
NBRHD,neighborhood
NC,North Carolina
NCD,clear sky
NCDC,National Climatic Data Center
NCWX,no change in weather
ND,North Dakota
NE,northeast
NEB,nebraska
NEC,necessary
NEG,negative
NEGLY,negatively
NELY,northeasterly
NERN,northeastern
NEW ENG,New England
NEWD,northeastward
NFLD,Newfoundland
NGM,Nested Grid Model
NGT,night
NH,New Hampshire
NIL,none
NJ,New Jersey
NL,no layers
NLC,noctilucent cloud
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
NNNN,end of message
NNW,north-northwest
NNWLY,north-northwesterly
NNWRN,north-northwestern
NNWWD,north-northwestward
NO,no
NOAA,National Oceanic and Atmospheric Administration
NOGAPS,National Oceanographic Global Atmospheric Prediction System
NOPAC,Northern Pacific
NOS,National Ocean Survey
NOSIG,no significant change is expected in next 2 hours
NOSPECI,no SPECI reports are taken at the station
NOTAM,Notice to Airmen
NPRS,nonpersistent
NR,near
NRLY,nearly
NRN,northern
NRW,narrow
NS,Nova Scotia
NSC,clear sky
NSW,no significant weather
NTFY,notify
NTFYD,notified
NV,Nevada
NVA,Negative vorticity advection
NW,northwest
NWD,northward
NWLY,northwesterly
NWRN,northwestern
NWS,National Weather Service
NXT,next
NY,New York
OAT,outside air temperature
OBND,outbound
OBS,observed
OBSC,obscure
OBSCD,obscured
OBSCG,obscuring
OCFNT,occluded front
OCLD,occlude
OCLDD,occluded
OCLDG,occluding
OCLDS,occludes
OCLN,occlusion
OCNL,occasional
OCNLY,occasionally
OCR,occur
OCRD,occurred
OCRG,occurring
OCRS,occurs
OFC,office
OFCM,Office of the Federal Coordinator for Meteorology
OFP,occluded frontal passage
OFSHR,offshore
OH,Ohio
OHD,overhead
OK,Oklahoma
OMNTS,over mountains
OMTNS,over mountains
ONSHR,on shore
OPEN,open
OR,Oregon
ORGPHC,Orographic
ORIG,original
OSV,ocean station vessel
OTLK,outlook
OTP,on top
OTR,other
OTRW,otherwise
OUTFLO,outflow
OVC,overcast
OVHD,overhead
OVNGT,overnight
OVR,over
OVRN,overrun
OVRNG,overrunning
OVTK,overtake
OVTKG,overtaking
OVTKS,overtakes
P,more than
PA,Pennsylvania
PAC,Pacific
PASS,pass
PBL,planetary boundary layer
PCPN,precipitation
PD,period
PDMT,predominant
PDS,periods
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
PK,peak
PLNS,plains
PLS,please
PLTO,plateau
PM,post meridian
PNHDL,pandhandle
PNO,precipitation amount not available
POS,positive
POSLY,positively
PPI,Plan Position Indicator
PPINE,PPI no echoes
PPSN,present position
PRBL,probable
PRBLTY,probability
PRBLY,probably
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
PROB,probability
PROC,procedure
PROD,produce
PRODG,producing
PROG,forecast
PROGD,forecasted
PROGS,forecasts
PRSNT,present
PRSNTLY,presently
PRST,persist
PRSTNC,persistence
PRSTNT,persistent
PRSTS,persists
PRVD,provide
PRVDD,provided
PRVDG,providing
PRVDS,provides
PS,plus
PSBL,possible
PSBLTY,possiblity
PSBLY,possibly
PSG,passage
PSN,position
PSND,positioned
PSR,packed snow on the runway
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
PWINO,precipitation identifier sensor not available
PWR,power
QBO,quasi-biennial oscillation
QN,question
QPFERD,NMC excessive rainfall discussion
QPFHSD,NMC heavy snow discussion
QPFSPD,NMC special precipitation discussion
QSTNRY,quasistationary
QTR,quarter
QUAD,quadrant
QUE,Quebec
R,right
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
RCRNR,base operations closed
RCV,receive
RCVD,received
RCVG,receiving
RCVS,receives
RDC,reduce
RDGG,ridging
RDR,radar
RDVLP,redevelop
RDVLPG,redeveloping
RDVLPMT,redevelopment
RE,regard
RECON,reconnaissance
RED,red
REF,reference
REPL,replace
REPLD,replaced
REPLG,replacing
REPLS,replaces
REQ,request
REQS,requests
REQSTD,requested
RES,reserve
RESP,response
RESTR,restrict
RGD,ragged
RGL,Regional Model
RGLR,regular
RGN,region
RGNS,regions
RGT,right
RH,relative humidity
RHI,Range Height Indicator
RHINO,RHI not operative
RI,Rhode Island
RIOGD,Rio Grande
RLBL,reliable
RLTV,relative
RLTVLY,relativily
RMK,remarks
RMN,remain
RMND,remained
RMNDR,remainder
RMNG,remaining
RMNS,remains
RNFL,rainfall
ROT,rotate
ROTD,rotated
ROTG,rotating
ROTOR,rotor
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
RTD,Routine Delayed (late) observation
RTRN,return
RTRND,returned
RTRNG,returning
RTRNS,returns
RUF,rough
RUFLY,roughly
RV,reportable value
RVR,runway visual range
RVRNO,RVR system values not available
RVS,revise
RVSD,revised
RVSG,revising
RVSS,revises
RW,rain shower
RWY,runway
RY,runway
S,south
SA,surface observation
SALR,saturated adiabatic lapse rate
SAO,surface observation
SAOS,surface observations
SASK,Saskatchewan
SATFY,satisfactory
SBND,south bound
SBSD,subside
SBSDD,subsided
SBSDNC,subsidence
SBSDS,subsides
SC,stratocumulus
SCND,second
SCNDRY,secondary
SCSL,stratocumulus standing lenticular cloud
SCT,scattered
SCTD,scattered
SCTR,sector
SD,South Dakota
SE,southeast
SEC,second
SELS,Severe Local Storms Unit
SELY,southeasterly
SEPN,separation
SEQ,sequence
SERN,southeastern
SEV,severe
SEWD,southeastward
SF,sferic (radio interference caused by lightning strikes)
SFC,surface
SFERICS,Atmospherics
SFLOC,sferic location
SG,snow grains
SGFNT,significant
SGFNTLY,significantly
SHFT,shift
SHFTD,shifted
SHFTG,shifting
SHFTS,shifts
SHLD,shield
SHLW,shallow
SHR,shear
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,clear sky
SKED,schedule
SLD,solid
SLGT,slight
SLGTLY,slightly
SLO,slow
SLOLY,slowly
SLOR,slower
SLP,sea-level pressure
SLPG,sloping
SLPNO,sea-level pressure not available
SLR,slush on the runway
SLT,sleet
SLY,southerly
SM,statute mile(s)
SMK,smoke
SML,small
SMLR,smaller
SMRY,summary
SMS,synchronus meteorological satellite
SMTH,smooth
SMTHR,smoother
SMTHST,smoothest
SMTM,sometime
SMWHT,somewhat
SNBNK,snow bank
SND,sand
SNFLK,snow flake
SNGL,single
SNINCR,snow increasing rapidly
SNO,snow
SNOINCR,snow increase
SNOINCRG,snow increasing
SNOW,snow
SNST,sunset
SNW,snow
SNWFL,snowfall
SOG,snow on the ground
SOP,standard operating procedure
SP,snow pellets
SPCLY,especially
SPD,speed
SPDS,speeds
SPECI,an unscheduled report taken when certain criteria have been met
SPENES,satellite precipitation estimate statement
SPKL,sprinkle
SPKLS,sprinkles
SPLNS,Southern Plains
SPRD,spread
SPRDG,spreading
SPRDS,spreads
SPRL,spiral
SQAL,squall
SQLN,squall line
SR,sunrise
SRN,southern
SRND,surround
SRNDD,surrounded
SRNDG,surrounding
SRNDS,surrounds
SS,sunset
SSE,south-southeast
SSELY,south-southeasterly
SSERN,south-southeastern
SSEWD,south-southeastward
SST,sea surface temperature
SSW,south-southwest
SSWLY,south-southwesterly
SSWRN,south-southwestern
SSWWD,south-southwestward
ST,stratus cloud
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
STNRY,stationary
STNS,stations
STWS,Storm Tide Warning Service
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+,heavy snow shower
SW,southwest
SW-,light snow shower
SWD,southward
SWLG,swelling
SWLY,southwesterly
SWOMCD,SELS Mesoscale Discussion
SWRN,southwestern
SWWD,southwestward
SX,stability index
SXN,section
SXNS,sections
SYNOP,synoptic report
SYNS,synopsis
SYS,system
T,thunder
TAF,Terminal Aerodrome Forecast
TCNTL,transcontinental
TCU,towering cumulus cloud
TDA,today
TEMP,temperature
TEMPO,temporary
THD,thunderhead
THDR,thunder
THI,Temperature-Humidity Index
THK,thick
THKNG,thickening
THKNS,thickness
THKR,thicker
THKST,thickest
THLD,threshold
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
TO,to
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 with heavy rain shower
TRW,thunderstorm
TS+,thunderstorm with heavy snow
TS,thunderstorm with snow
TSFR,transfer
TSFRD,transfered
TSFRG,transfering
TSFRS,transfers
TSHWR,thundershower
TSHWRS,thundershowers
TSNO,thunderstorm information not available
TSNT,transient
TSQLS,thundersqualls
TSTM,thunderstorm
TSTMS,thunderstorms
TSW+,thunderstorm with heavy snow showers
TSW,thunderstorm with snow showers
TURB,turbulence
TURBC,turbulence
TURBT,turbulent
TWD,toward
TWDS,towards
TWI,twilight
TWR,tower
TWRG,towering
TX,Texas
UDDF,up and down drafts
UKMO,UK Met Office
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
UPDFTS,updrafts
UPR,upper
UPSLP,upslope
UPSTRM,upstream
URG,urgent
USBL,usable
UT,Utah
UTC,Coordinated Universal Time
UV,ultra-violet
UVV,upward vertical velocity
UVVS,upward vertical velocities
UWNDS,upper winds
V,varying/variable
VA,Virginia
VARN,variation
VC,(in the) vicinity
VCNTY,vicinity
VCOT,VFR conditions on top
VCTR,vector
VDUC,VAS Data Utilization Center (NSSFC)
VFR,VFR
VFY,verify
VFYD,verified
VFYG,verifying
VFYS,verifies
VIRGA,virga
VIS,visible/visibility
VISNO,visibility at secondary location not available
VLCTY,velocity
VLCTYS,velocities
VLNT,violent
VLNTLY,violently
VLY,valley
VLYS,valleys
VMC,visual meteorological conditions
VOL,volume
VORT,vorticity
VR,visual range
VRB,variable
VRBL,variable
VRG,veering
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 visibility
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
WG/AOS,Working Group for Atmospheric Observing Systems
WG/SO,Working Group for Surface Observations
WHT,white
WI,Wisconsin
WIBIS,will be issued
WINT,winter
WK,weak
WKDAY,weekday
WKEND,weekend
WKN,weaken
WKNG,weakening
WKNS,weakens
WKR,weaker
WKST,weakest
WL,will
WLY,westerly
WMO,World Meteorological Organization
WND,wind
WNDS,winds
WNW,west-northwest
WNWLY,west-northwesterly
WNWRN,west-northwestern
WNWWD,west-northwestward
WO,without
WPLTO,Western Plateau
WR,wet runway
WRM,warm
WRMFNT,warm front
WRMFNTL,warm Frontal
WRMG,warming
WRMR,warmer
WRMST,warmest
WRN,western
WRNG,warning
WRNGS,warnings
WRS,worse
WS,wind shear
WSFO,Weather Service Forecast Office
WSFOS,Weather Service Forecast Offices
WSHFT,wind shift
WSHFTS,wind shifts
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
YLO,yellow
YLSTN,Yellowstone
Z,Zulu (i.e. Coordinated Universal Time)
ZL,freezing drizzle
ZN,zone
ZNS,zones
ZR,freezing rain