Abbreviations used in official forecast discussions
reproduced from the Starpath Weather Trainer

Browse by Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Visit the NWS Glossary for descriptive definitions

A

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

B

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

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

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

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

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

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

H

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

HPC - Hydrometeorological Prediction Center

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

I

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

J - Joules

JAN - January

JCTN - Junction

JMA - Japanese Meteorological Agency

JSTR - Jet Stream

JTWC - Joint Typhoon Warning Center

JUL - July

JUN - June

K

K - Smoke or Temperature in Degrees Kelvin

KAMS - Cold Air Mass

KM - Kilometers

KS - Kansas

KT - Knot or Knots

KTS - Knots

KY - Kentucky

L

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

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

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

O

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

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

Q

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

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

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

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

U

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

V

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

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

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

X

XCITED - Excited

XCP - Except

XPCT - Expecting

XPC - Expect

XPLOS - Explosive

XSEC - Cross Section

Y

YDA - Yesterday

YKN - Yukon

Z

Z - Zulu Time or Universal Coordinated Time

ZFP - Zone Forecast Product

ZL - Freezing Drizzle

ZNS - Zones

ZR - Freezing Rain

Note:  This is only a partial list of abbreviations