Glossary of Abbreviations For the Marine Weather Discussion

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Visit the NWS Glossary for descriptive definitions

A - Arctic
A98E - Modified Version of the Cliper Model
AAMS - Arctic Air Mass
ABNDT - Abundant
ABT - About
ABV - Above
AC - Altocumulus Clouds
ACCAS - Altocumulus Clouds
ACCUM - Accumulate
ACLD - Above Cloud Level
ACLT - Accelerate
ACPT - Accept
ACPY - Accompany
ACRS - Across
ACTV - Active
ACYC - Anticyclone
ADDN - Addition
ADJ - Adjacent
ADQT - Adequate
ADVCTN - Advection
ADVN - Advance
ADVY - Advisory
AFCT - Affect
AFD - Area Forecast Discussion
AFT - After
AFTN - Afternoon
AFTR - After
AGL - Above Ground Level
AGN - Again
AGRMT - Agreement
AHD - Ahead
AK - Alaska
AL - Alabama
ALF - Aloft
ALG - Along
ALQDS - All Quadrants
ALTA - Alberta
ALTHO - Although
AM - Ante Meridiem
AMD - Amend
AMPLTD - Amplitude
AMS - Air Mass or American Meteorological Society
AMT - Amount
AO - Arctic Oscillation
AOA - At or above
AOB - At or below
APD - Average Wave Period
APLCN - Appalachian
APR - April
APRCH - Approach or Approaches
APRCHG - Approaching
APRNT - Apparent
APRX - Approximate
AR - Arkansas
ARND - Around
ARR - Arrive or Arrival
ASAP - As Soon As Possible
ASL - Above Sea Level
ATLC - Atlantic
ATMP - Air Temperature
ATTM - At this time
AUG - August
AVBL - Available
AVG - Average
AVHHR - Advanced Very High Resolution Radiometer
AVP - Average Wave Period
AWIPS - Advanced Weather Interactive Processing System
AWOS - Automated Weather Observation System
AWT - Await or Awaiting
AZ - Arizona

BAM - Beta and Advection Tropical Model
BAMD - Deep Beta and Advection Tropical Model
BAMM - Medium Beta and Advection Tropical Model
BAMS - Shallow Beta and Advection Tropical Model
BC - British Columbia
BCKG - Backing
BCM - Become
BCMNG - Becoming
BD - Blowing Dust
BDA - Bermuda
BFDK - Before Dark
BFR - Before
BGN - Begin or Began
BHND - Behind
BKN - Broken
BL - Boundary Layer
BLD - Build
BLDUP - Buildup
BLO - Below
BLV - Before
BLZD - Blizzard
BLN - Blowing Sand
BNDRY - Boundary
BOVC - Base of Overcast
BR - Mist
BRD - Border
BRF - Brief
BRK - Break
BRN - Bulk Richardson Number
BRGT - Bright
BRK - Break
BS - Blowing Snow
BTR - Better
BTWN - Between
BWER - Bounded Weak Echo Region
BY - Blowing Spray
BYD - Beyond

C - Degrees Celsius or Central
CA - California
CAA - Cold Air Advection
CAD - Cold Air Damming
CAMS - Continental Air Mass
CAN - Canada
CAPE - Convectively Available Potential Energy measured in Joules per kilogram...or an area of land extending into a body of water
CARIB - Carrribean
CASCDS - Cascades
CAVU - Clear or Scattered Clouds
CB - Cumulonimbus Cloud
CC - Cloud to Cloud Lightning
CCL - Convective Condensation Level
CCLKWS - Counter Clockwise
CD - Cold
CDFNT - Cold Front
CDT - Central Daylight Time
CENPAC - Central North Pacific
CFN - Confine
CFP - Cold Front Passage
CG - Cloud to Ground Lightning
CHC - Chance
CHG - Change or Changes
CHGO - Changing Over
CHSPK - Chesapeake
CI - Cirrus Clouds
CIG - Ceiling
CIN - Convective Inhibition
CLD - Cloud
CLIMO - Climatology or Climatological
CLIPER - Climatology and Persistence Model
CLIPER5 - 5 Day Cliper Model
CLKWS - Clockwise
CLR - Clear
CLRG - Clearing
CLSD - Closed
CMA - Comma
CMC - Canadian Meterological Center
CMNC - Commence
CMPCT - Compact
CMPLT - Complete
CMPLX - Complex
CNCT - Connect
CNDN - Canadian
CNTR - Center
CNTRL - Central
CNVG - Converge or Converges
CNVTV - Convective
CO - Colorado
COMB - Combine
COMPR - Compare
COND - Condition
CONDS - Conditions
CONFDC - Confidence
CONT - Continue Continues or Continuously
CONTDVD - Continental Divide
CONTD - Continued
CONTG - Continuing
CONU - An Ensemble Model Consisting of the GFDL GFS UKMET and NOGAPS Models
CONUS - Continental United States
COORD - Coordinates
COR - Correction
COT - At the Coast
CPBL - Capable
CPD - Coupled
CRC - Circle
CRLC - Circulate
CSDR - Consider
CSDRBL - Considerable
CSI - Conditional Symmetric Instability
CST - Central Standard Time
CSTL - Coastal
CT - Connecticut
CTR - Center
CTY - City
CU - Cumulus Clouds
CUFRA - Cumulus Fractus
CVR - Cover
CWA - County Warning Area
CWFA - County Warning Forecast Area
CYC - Cyclone
CYCLGN - Cyclogenesis

D - Dust
DABRK - Daybreak
DALGT - Daylight
DALR - Dry Adiabatic Lapse Rate
DBL - Double
DBTF - Doubtful
DC - District of Columbia
DCLRT - Decelerate
DCR - Decrease
DCT - Direct
DE - Delaware
DEC - December
DEG - Degree
DEP - Departure
DESTN - Destination
DEV - Deviation
DEWP - Dew Point Temperature
DFCLT - Difficult
DFNT - Definite
DFRS - Differs
DFUS - Diffuse
DGR - Danger
DIR - Direction
DISC - Discontinue
DIST - Distance
DIV - Divert or Division
DLA - Delay
DLT - Delete
DLVR - Deliver
DLY - Delay
DMG - Damage
DMNT - Dominant
DMSH - Diminish or Diminishes
DMSHG - Diminishing
DN - Down
DNS - Dense
DNSLP - Downslope
DNSTRM - Downstreamse
DNWND - Downwind
DP - Deep or Dew Point
DPD - Dominant Wave Period
DPN - Deepen or Deepens
DPNG - Deepening
DPTH - Depth
DPTR - Departure
DR - Direction
DRCT - Direct
DRCTN - Direction
DRFT - Drift or Drifts
DRFTG - Drifting
DRZL - Drizzle
DSHP - Decay Statistical Hurricane Intensity Prediction Scheme Model
DSIPT - Dissipate or Dissipates
DSIPTG - Dissipating
DSNT - Distant
DSRGD - Disregard
DST - Distort
DSTC - Distance
DSTND - Destined
DTL - Detail
DTRM - Determine
DTRT - Deteriorate
DUR - Duration
DURG - During
DURN - Duration
DVLP - Develop or Develops
DVLPG - Developing
DVRG - Diverge
DVRSN - Diversion
DVV - Downward Vertical Velocity
DWNDFT - Downdraft
DWNSLP - Downslope
DWPT - Dew Point
DZ - Drizzle

E - East or Easterly
EBND - Eastbound
ECMF - European Center for Meteorology Forecast Model
ECMWF - European Center for Medium Range Forecasts
EDT - Eastern Daylight Time
EFCT - Effect
ELEV - Elevation
ELNGT - Elongate
ELSW - Elsewhere
ELY - Easterly
EMBDD - Embedded
EML - Elevated Mixed Layer
ENDG - Ending
ENE - East Northeast
ENERN - East Northeastern
ENEWD - East Northeastward
ENHNCD - Enhanced
ENHNCMNT - Enhancement
ENRT - En Route
ENSMBL - Ensemble
ENSMBLS - Ensembles
ENSO - El Nino Southern Oscillation
ENTR - Entire
EPCTG - Expecting
EQ - Equator
ERLY - Early
ERN - Eastern
ESE - East Southeast
ESERN - East Southeastern
ESEWD - East Southeastward
ESNTL - Essential
EST - Eastern Standard Time
ETC - Et Cetera
EVAL - Evaluate or Evaluation
EWD - Eastward
EWW - Extreme Wind Warning
EXCLD - Exclude
EXCLV - Exclusive
EXCP - Except
EXPC - Expect
EXPS - Express
EXTD - Extend or Extended
EXTN - Extension
EXTRM - Extreme
EXTSV - Extensive

F - Fahrenheit or Fog
FA - Forecast Area
FASTST - Fastest
FC - Funnel Cloud
FCST - Forecast
FEB - February
FG - Fog
FIG - Figure
FL - Florida
FLCTN - Fluctuation
FLG - Falling
FLRY - Flurry
FLW - Follow or Flow Wind
FM - Fathom...Fathoms...or From
FNT - Front
FNTGNS - Frontogenesis
FNTLYS - Frontolysis
FQT - Frequent
FRC - Force
FRI - Friday
FRMG - Forming
FROPA - Frontal Passage
FROSFC - Frontal Surface
FRQ - Frequent
FRST - Frost
FRZ - Freeze
FRZLVL - Freezing Level
FRZN - Frozen
FFSE - Florida State Superensemble Model
FT - Foot or Feet
FTHR - Further
FU - Smoke
FWD - Forward
FZDZ - Freezing Drizzle
FZFG - Freezing Fog
FZRA - Freezing Rain

G - Gusts
GA - Georgia
GD - Good
GEM - Global Environmental Multiscale Model by CMC
GEN - General
GF - Ground Fog
GFDL - Geophysical Fluid Dynamics Laboratory Hurricane Model
GFS - Global Forecast System Model
GHM - The GFDL Multiply Nested Moveable Mesh Hurricane Model
GLFAK - Gulf of Alaska
GLFCAL - Gulf of California
GLFME - Gulf of Maine
GLFMEX - Gulf of Mexico
GLFSTRM - Gulf Stream
GMT - Greenwich Mean Time
GND - Ground
GNDFG - Ground Fog
GNRL - General
GNRLY - Generally
GOES - Geostationary Operational Environmental Satellite
GR - Large Hail
GRAD - Gradient
GRDL - Gradual
GRDLY - Gradually
GRIB - Gridded Binary Format
GRT - Great
GRTLKS - Great Lakes
GRTST - Greatest
GS - Small Hail or Snow Pellets
GST - Gust
GSTS - Gusts
GSTY - Gusty
GTR - Greater
GUD - Good
GUNA - An Ensemble Model Consisting of the GFDL GFS UKMET and NOGAPS Models
GUNS - An Ensemble Model Consisting of the GFDL UKMET and NOGAPS Models

H5 - 500 Millibar Height Level
H7 - 700 Millibar Height Level
H8 - 850 Millibar Height Level
HAZ - Hazard
HCVIS - High Clouds Visisble
HDFRZ - Hard Freeze
HF - High Frequency
HGT - Height
HI - High or Hawaii
HITMP - Highest Temperature
HLF - Half
HLS - Hurricane Local Statement
HLSTO - Hailstones
HMD - Hemispheric Map Discussion
HND - Hundred
HOL - Holiday
HPA - Hectopascal or Hectopascals
HR - Hour
HRS - Hours
HRZN - Horizon
HURCN - Hurricane
HURRAN - The Hurricane Analogue Technique Model
HV - Have
HVY - Heavy
HWRF - The Hurricane Weather Research and Forecasting Model
HWVR - However
HYR - Higher
HZ - Haze or Hertz

IA - Iowa
IC - In Cloud Lightning
ICG - Icing
ID - Idaho
IL - Illinois
IMDT - Immediate
IMPL - Impulse
IMPT - Important
IMT - Immediate or Immediately
IN - Inch or Indiana
INDAQT - Inadequate
INCL - Include
INCLV - Inclusive
INCOMP - Incomplete
INCOR - Incorrect
INCR - Increase or Increases
INCRG - Increasing
INDC - Indicate or Indicates
INDCG - Indicating
INDEF - Indefinite
INFO - Information
INLD - Inland
INSTBY - Instability
INTCTNL - Intercontinental
INTCP - Intercept
INTMT - Intermittent
INTR - Interior
INTS - Intense
INTSFY - Intensify or Intensifies
INTSFYG - Intensifying
INTST - Intensity
INTXN - Intersection
INVOF - In the Vicinity of
INVRN - Inversion
IPV - Improve or Improves
IPVD - Improved
IPVG - Improving
IR - Infrared Satellite Imagery
ISL - Island
ISOL - Isolate
ITCZ - Intertropical Convergence Zone

J - Joules
JAN - January
JCTN - Junction
JMA - Japanese Meteorological Agency
JSTR - Jet Stream
JTWC - Joint Typhoon Warning Center
JUL - July
JUN - June

K - Smoke or Temperature in Degrees Kelvin
KAMS - Cold Air Mass
KM - Kilometers
KS - Kansas
KT - Knot or Knots
KTS - Knots
KY - Kentucky

LA - Louisiana
LABRDR - Labrador
LAT - Latitude
LBAR - Nested Barotropic Hurricane Track Forecast Model
LCL - Local...or Lifting Condensation Level
LCLY - Locally
LCT - Locate
LDS - Lightning Detection System
LDT - Local Daylight Time
LEWP - Line Echo Wave Pattern
LF - Low Frequency
LFC - Level of Free Convection
LFT - Lift
LGT - Light
LGWV - Long Wave
LI - Lifted Index
LIVV - Lifted Index Vertical Velocity
LK - Lake
LKLY - Likely
LLJ - Low Level Jet
LLWS - Low Level Wind Shear
LMT - Limit
LMTD - Limited
LN - Line
LND - Land
LOC - Locally
LONG - Longitude
LOPRES - Low pressure
LOTMP - Low Temperature
LRG - Large
LST - Local Standard Time
LTD - Limited
LTL - Little
LTLCG - Little Change
LTNG - Lightning
LTR - Later
LTTR - Latter
LTST - Latest
LV - Leave
LVG - Leaving
LVL - Level
LVLS - Levels
LWR - Lower
LYR - Layer or Layers

M - Meter or Meters or Maritime Air Mass
MA - Map Analysis or Massachusetts
MAINT - Maintain
MALR - Moist Adiabatic Lapse Rate
MAN - Manual or Manitoba
MAR - March
MAX - Maximum
MAXT - High Temperature for the day
MB - Millibar
MCC - Mesoscale Convective Complex
MCS - Mesoscale Convective System
MD - Maryland
MDFY - Modify
MDL - Model
MDLS - Models
MDNGT - Midnight
MDT - Moderate or Mountain Daylight Time
ME - Maine
MEGG - Merging
MESO - Mesocyclone
MET - Meteorological
METAR - International Code for Reporting and Transmitting Weather Observations
METRO - Metropolitan
MEX - GFS Model Guidance or Mexico
MI - Mile or Michigan
MID - Middle
MIDN - Midnight
MIM - Marine Interpretation Message
MIMATN - North Atlantic Marine Interpretation Message from the Ocean Prediction Center
MIMPAC - Pacific Marine Interpretation Message from the Ocean Prediction Center
MIN - Minimum or Minute
MINT - Minimum Temperature
MISC - Miscellaneous
MISG - Missing
MJO - Madden Julian Oscillation
MLCAPE - Mean Layer Cape
MLLI - Mean Layer Lifted Index
MLLW - Mean Lower Low Water
MLTLVL - Melting Level
MLW - Mean Low Waters
MN - Minnesota
MNLD - Mainland
MM5 - NCARs Mesoscale Model
MNLY - Mainly
MO - Missouri
MOBY - Marine Optical Buoy
MON - Monday
MONTR - Monitor
MOS - Model Output Statistics
MOV - Move
MOVG - Moving
MPH - Miles per Hour
MR - More
MRG - Medium Range
MRGL - Marginal
MRNG - Morning
MRTM - Maritime
MS - Mississippi
MSG - Message
MSL - Mean Sea Level
MSLP - Mean Sea Level Pressure
MST - Mountain Standard Time
MSTLY - Mostly
MSTR - Moisture
MT - Mountain or Montana
MTN - Mountain
MTNS - Mountains
MTRY - Momentary
MTS - Mountains
MULI - Most Unstable Lifted Index
MULT - Multiple
MVS - Moves
MWD - Mean Wave Direction
MXD - Mixed

N - North or Northerly
NAM - North American Meso Model
NAO - North Atlantic Oscillation
NATL - National
NATLC - North Atlantic
NB - New Brunswick
NBND - Northbound
NBRHD - Neighborhood
NC - No Change or North Carolina
NCEP - National Centers for Environmental Prediction
ND - North Dakota
NDBC - National Data Buoy Center
NDFD - National Digital Forecast Database
NE - Northeast or Nebraska
NEC - Necessary
NEG - Negative
NELY - Northeasterly
NERN - Northeastern
NEWD - Northeastward
NESDIS - National Environmental Satellite Data and Information Service
NEWD - Northeastward
NEW_ENG - New England
NEXRAD - Next Generation Radar
NFLD - Newfoundland
NGM - Nested Grid Model
NGT - Night
NH - New Hampshire
NHC - National Hurricane Center
NHC98 - Statistical Dynamical Hurricane Track Prediction Model
NIL - None
NJ - New Jersey
NLT - No Later Than
NLY - Northerly
NM - Nautical miles or New Mexico
NMBR - Number
NML - Normal
NMRS - Numerous
NNE - North Northeast
NNERN - North Northeastern
NNEWD - North Northeastward
NNW - North Northwest
NNW - North Northwestern
NNWRD - North Northwestward
NOAA - National Oceanic and Atmospheric Administration
NOGAPS - Navy Operational Global Atmospheric Prediction System
NOPAC - North Pacific
NOSIG - No Significant Change
NOV - November
NR - Near
NRN - Northern
NRW - Narrow
NS - Nova Scotia or Nimbostratus
NTE - Not To Exceed
NVA - Negative Vorticity Advection
NW - Northwest or Northwesterly
NWB - Northwest Bound
NWD - Northward
NWLY - Northwesterly
NWP - Numerical Weather Prediction
NWR - NOAA Weather Radio
NWRN - Northwestern
NWS - National Weather Service
NWWD - Northwestward
NXT - Next
NY - New York

OBS - Observation or Observations
OBSC - Obscure
OCFNT - Occluded front
OCFD - Occlude
OCLN - Occlusion
OCNL - Occasional
OCR - Occur
OCT - October
OFP - Occluded Frontal Passage
OFSHR - Offshore
OH - Ohio
OHD - Overhead
OK - Oklahoma
OLR - Outgoing Longwave Radiation
OMTS - Over Mountains
ONSHR - Onshore
ONT - Ontario
OR - Oregon
OPC - Ocean Prediction Center
OPN - Open
ORGPHC - Orographic
ORIG - Original
OTLK - Outlook
OTR - Other
OTRW - Otherwise
OVC - Overcast
OVD - Overdue
OVHD - Overhead
OVNGT - Overnight
OVR - Over
OVRN - Overrun
OVRNGT - Overnight

P - Polar Air Mass
PA - Pennsylvania
PAC - Pacific
PAT - Pattern
PBL - Probable or Planetary Boundary Layer
PCPN - Precipitation
PCT - Percent
PD - Period
PDMT - Predominant
PDO - Pacific Decadal Oscillation
PDS - Particularly Dangerous Situation
PDT - Pacific Daylight Time
PEN - Peninsula
PFD - QPF Discussion from HPC
PGTSND - Puget Sound
PIREP - Pilot Report
PIX - Picture
PK - Peak
PKG - Package
PL - Ice Pellets or Sleet
PM - Post Meridiem
PMD - Prognostic Discussion
PMO - Port Meteorological Officer
PMT - Permit
PNA - Pacific North American Teleconnection
PNS - Public Information Statement
POES - Polar Operational Environmental Satellite
POP - Probability of Precipitation
POPS - Probability of Precipitation
POS - Positive
PPINE - Radar Report with No Echoes Observed
PR - Partial or Puerto Rico
PRBLTY - Probability
PRBLY - Probably
PRCP - Precipitation
PRCTN - Precaution
PRECD - Precede
PRES - Pressure
PREV - Previous
PRIM - Primary
PRIN - Principal
PRIND - Present Indications Are
PROCD - Proceed
PROG - Forecast or Prognostication
PROGGED - Forecasted
PROGS - Forecasts
PROPA - Propagation
PRSNT - Present
PRST - Persist
PRVD - Provide
PSBL - Possible
PSBLY - Possibly
PSG - Passage or Passing
PSN - Position
PST - Pacific Standard Time
PT - Point
PTCHY - Patchy
PTCLDY - Partly Cloudly
PTDY - Pressure Tendency
PTLY - Partly
PTN - Portion
PTTN - Pattern
PTWC - Pacific Tsunami Warning Center
PTYPE - Precipitation Type
PVA - Positive Vorticity Advection
PVL - Prevail
PW - Precipitable Water
PWR - Power
PWAT - Precipitable Water
PY - SPRAY

QG - Quasigeostrophic
QLFY - Qualify
QLTY - Quality
QN - Question
QNTY - Quantity
QPF - Quantitative Precipitation Forecast
QPFERD - NCEP Excessive Rainfall Discussion
QPFHSD - NCEP Heavy Snow Discussion
QPFPFD - NCEP Precipitation Forecast Discussion
QSTNRY - Quasistationary
QTR - Quarter
QUAD - Quadrant
QUE - Quebec

R - Rain
RA - Rain
RAOB - Radiosonde or Upper Air Observation
RAWS - Remote Automated Weather Stations
RCH - Reach
RCKY - Rocky Mountains
RCMD - Recommend
RCRD - Record
RCV - Receive
RDC - Reduce
RDG - Ridge
RDS - Radius
RECON - Reconnaissance
REF - Reference
RELBL - Reliable
RESP - Response
RESTR - Restrict
RGD - Ragged
RGLR - Regular
RGN - Region
RH - Relative Humidity
RI - Rhode Island
RIOGD - Rio Grande
RLS - Release
RLTV - Relative
RMN - Remain or Remains
RMNG - Remaining
RMV - Remove
RNFL - Rainfall
ROT - Rotate
ROTG - Rotating
RPD - Rapid
RPDLY - Rapidly
RPLC - Replace
RPRT - Report
RPRTS - Reports
RQR - Require
RRQ - Right Rear Quadrant
RSG - Rising
RSN - Reason
RSTR - Restrict
RSVN - Reservation
RTE - Route
RTRD - Retard or Retards
RTRN - Return or Returns
RTRND - Returned
RTRNG - Returning
RUC - Rapid Update Cycle Model
RVS - Revise
RW - Rain Shower

S - South or Southerly
SASK - Saskatchewan
SAT - Satellite Imagery or Saturday
SATFY - Satisfy
SATL - Satellite
SBCAPE - Surface Based CAPE
SBND - Southbound
SBSD - Subside or Subsides
SC - Stratocumulus or South Carolina
SCA - Small Craft Advisory
SCND - Second
SCT - Scattered
SCTR - Sector
SD - South Dakota
SE - Southeast
SEB - Southeastbound
SEC - Second
SELS - Severe Local Storms
SELY - Southeasterly
SEP - September
SEPN - Seperation
SEQ - Sequence
SERN - Southeastern
SEV - Severe
SEWD - Southeastward
SFC - Surface
SFERICS - Atmospherics
SG - Snow Grains
SGFNT - Significant
SGL - Signal
SHFT - Shift
SHGR - Large Hail Showers
SHGS - Small Hail Showers
SHIFOR - Statistical Hurricane Intensity Forecast Model
SHIPS - Statistical Hurricane Intensity Prediction Scheme Model
SHLW - Shallow
SHPL - Ice Pellet Showers
SHRA - Rain Showers
SHRAS - Showers
SHRT - Short
SHRTLY - Shortly
SHRTWV - Shortwave
SHRTWVS - Shortwaves
SHSN - Snow Showers
SHUD - Should
SHWR - Shower
SHWRS - Showers
SIERNEV - Sierra Nevada
SIG - Signature
SIGMET - Significant Meteorological Advisories
SIGWX - Significant Weather
SKC - Sky Clear
SL - Sea Level
SLD - Solid
SLGT - Slight
SLO - Slow
SLOSH - Sea Lake and Overland Surges from Hurricanes model
SLP - Sea Level Pressure
SLT - Slight or Sleet
SLY - Southerly
SM - Statute Miles
SML - Small
SMRY - Summary
SMTH - Smooth
SMTM - Sometime
SMW - Special Marine Warning
SMWHT - Somewhat
SN - Snow
SNBNK - Snowbank
SNFLK - Snowflake
SNGL - Single
SNW - Snowfall
SNWFL - Snowfall
SOI - Southern Oscillation Index
SOLN - Solution
SOLNS - Solutions
SP - Station Pressure
SPC - Storm Prediction Center
SPCLY - Especially
SPD - Speed
SPKL - Sprinkle
SPLNS - Southern Plains
SPRD - Spread
SPS - Severe Weather Potential Statement
SQ - Squall
SQLN - Squall Line
SR - Sunrise
SRCH - Search
SREF - Short Range Ensemble Forecasts
SRF - Surf Zone Forecast
SRH - Storm Relative Helicity
SRN - Southern
SRND - Surround
SS - Sandstorm
SSE - South Southeast
SSERN - South Southeastern
SSEWD - South Southeastward
SSH - Sea Surface Height
SSHS - Saffir Simpson Hurricane Scale
SST - Sea Surface Temperature
SSW - South Southwest
SSWRN - South Southwestern
SSWWD - South Southwestward
ST - Stratus or Saint
STAGN - Stagnation
STBL - Stable
STDY - Steady
STFM - Stratiform
STFR - Stratus Fractus
STFRA - Stratus Fractus
STFRM - Stratiform
STG - Strong
STJ - Subtropical Jet
STLT - Satellite
STM - Stratiform
STRFM - Stratiform
STRM - Storm
STNRY - Stationary
SUF - Sufficient
SUG - Suggest
SUN - Sunday
SUP - Supply
SUPR - Superior
SVR - Severe or Severe Thunderstorm Warning
SVRL - Several
SW - Southwest or Snow Showers
SWB - Southwestbound
SWD - Swell Direction or Southward
SWE - Snow Water Equivalent
SWEAT - Severe Weather Threat Index
SWH - Swell Height
SWLG - Swlling
SWLY - Southwesterly
SWP - Swell Period
SWRN - Southwestern
SWS - Severe Weather Statement
SWWD - Southwestward
SX - Stability Index
SXN - Section
SYNOP - Synoptic
SYNS - Synopsis
SYS - System

T - Thunderstorm
TAFB - Tropical Analysis and Forecast Branch of the NHC
TCU - Towering Cumulus Clouds
TD - Tropical Depression
TDA - Today
TEMP - Temperature
TEMPS - Temperatures
THD - Thunderhead
THDR - Thunder
THK - Thick or Thickness
THN - Thin
THRFTR - Thereafter
THRU - Through
THRUT - Throughout
THSD - Thousand
THTN - Threaten
THU - Thursday
TIL - Until
TKE - Turbulent Kinetic Energy
TMPRY - Temporary
TMT - Transmit
TMW - Tomorrow
TN - Tennessee
TNDCY - Tendency
TNGT - Tonight
TNTV - Tenative
TOP - Cloud Top
TOR - Tornado or Tornado Warning
TPC - Tropical Prediction Center, previous name of the National Hurricane Center
TRBL - Trouble
TRNSP - Transport
TROF - Trough
TROP - Tropopause
TRPCL - Tropical
TRRN - Terrain
TS - Tropical Storm
TSFR - Transfer
TSGR - Thunderstorm with Large Hail
TSGS - Thunderstorm with Small Hail
TSPAC - Trans Pacific
TSRA - Thunderstorms with Rain
TSTM - Thunderstorm
TSTMS - Thunderstorms
TUE - Tuesday
TURBT - Turbulent
TVL - Travel
TVS - Tornado Vortex Signature
TWD - Toward
TWI - Twilight
TWR - Tower
TX - Texas
TYPH - Typhoon

UFN - Until Further Notice
UGC - Universal Geographic Code
UKMET - Model by United Kingdom Meteorological Agency
ULJ - Upper Level Jet
UN - Unavailable
UNEC - Unnecessary
UNKN - Unknown
UNL - Unlimited
UNRELBL - Unreliable
UNSBL - Unseasonable
UNSTBL - Unstable
UNSTDY - Unsteady
UNSTL - Unsettle
UNUSBL - Unusable
UP - Up or Unknown Precipitation
UPR - Upper
UPSLP - Upslope
UPSTRM - Upstream
URG - Urgent
USBL - Usable
UT - Utah
UTC - Universal Coordinated Time
UVM - Upward Vertical Motion
UVV - Upward Vertical Velocity
UWNDS - Upper Winds

VA - Virginia
VARN - Variation
VCFG - Fog in Vicinity
VCNTY - Vicinity
VFY - Verify
VIA - By Way of
VIL - Vertically Intergrated Liquid Water
VIS - Visible
VLCTY - Velocity
VLNT - Violent
VLY - Valley
VOS - Volunteer Osberving Ship Program
VOT - Vorticity
VR - Veer
VRBL - Variable
VRISL - Visible
VSB - Visible Satellite Imagery
VSBY - Visibility
VT - Valid Time or Vermont
VTEC - Valid Time Event Code

W - West or Westerly
WA - Washington
WAA - Warm Air Advection
WBND - Westbound
WBTS - Whereabouts
WBZ - Wet Bulb Zero Height
WDIR - Wind Direction
WDLY - Widely
WDSPRD - Widespread
WED - Wednesday
WER - Weak Echo Region
WFO - Weather Forecast Office
WFP - Warm Front Passage
WI - Within or Wisconsin
WINT - Winter
WK - Weak
WKDAY - Weekday
WKEND - Weekend
WKN - Weaken or Weakens
WKNG - Weakening
WL - Will
WMC - World Meteorological Center
WMO - World Meteorological Organization
WND - Wind
WNDS - Wind
WNW - West Northwest
WNWRN - West Northwestern
WNWWD - West Northwestward
WO - Without
WPC - Weather Prediction Center
WRM - Warm
WRMFNT - Warm Front
WRN - Western
WRNG - Warning
WRNGS - Warnings
WRS - Worse
WS - Wind Shear
WSFO - Weather Service Forecast Office
WSHFT - Wind Shift
WSPD - Wind Speed
WSW - West Southwest
WSWRN - West Southwestern
WSWWD - West Southwestward
WTMP - Sea Surface Temperature
WTSPT - Water Spout
WV - Water Vapor or Wave or West Virginia
WVHT - Wave Height
WW3 - Wave Watch 3 Model
WWD - Westward
WWH - Wind Wave Height
WWIII - Wave Watch 3 Model
WWP - Wind Wave Period
WWV - NIST Radio Stations that Broadcast Voice Forecasts
WWVH - NIST Radio Stations that Broadcast Voice Forecasts
WX - Weather
WY - Wyoming

XCITED - Excited
XCP - Except
XPCT - Expecting
XPC - Expect
XPLOS - Explosive
XSEC - Cross Section

YDA - Yesterday
YKN - Yukon

Z - Zulu Time or Universal Coordinated Time
ZFP - Zone Forecast Product
ZL - Freezing Drizzle
ZNS - Zones
ZR - Freezing Rain

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Note: This is only a partial list of abbreviations