| Index | Abbreviation | Units | Longname |
| 1 | PRES | Pa | Pressure |
| 2 | PRMSL | Pa | Pressure reduced to MSL |
| 3 | PTEND | Pa/s | Pressure tendency |
| 4 | PVORT | km^2/kg/s | Potential vorticity |
| 5 | ICAHT | M | ICAO Standard Atmosphere Reference Height |
| 6 | GP | m^2/s^2 | Geopotential |
| 7 | HGT | gpm | Geopotential height |
| 8 | DIST | m | Geometric height |
| 9 | HSTDV | m | Std dev of height |
| 10 | TOZONE | Dobson | Total ozone |
| 11 | TMP | K | Temperature |
| 12 | VTMP | K | Virtual temperature |
| 13 | POT | K | Potential temperature |
| 14 | EPOT | K | Pseudo-adiabatic potential temperature |
| 15 | T_MAX | K | Maximum temperature |
| 16 | T_MIN | K | Minimum temperature |
| 17 | DPT | K | Dew point temperature |
| 18 | DEPR | K | Dew point depression |
| 19 | LAPR | K/m | Lapse rate |
| 20 | VIS | m | Visibility |
| 21 | RDSP1 | non-dim | Radar spectra (1) |
| 22 | RDSP2 | non-dim | Radar spectra (2) |
| 23 | RDSP3 | non-dim | Radar spectra (3) |
| 24 | PLI | K | Parcel lifted index (to 500 hPa) |
| 25 | TMP_A | K | Temperature anomaly |
| 26 | PRESA | Pa | Pressure anomaly |
| 27 | GPA | gpm | Geopotential height anomaly |
| 28 | WVSP1 | non-dim | Wave spectra (1) |
| 29 | WVSP2 | non-dim | Wave spectra (2) |
| 30 | WVSP3 | non-dim | Wave spectra (3) |
| 31 | WDIR | deg | Wind direction |
| 32 | WIND | m/s | Wind speed |
| 33 | U_GRD | m/s | u-component of wind |
| 34 | V_GRD | m/s | v-component of wind |
| 35 | STRM | m^2/s | Stream function |
| 36 | V_POT | m^2/s | Velocity potential |
| 37 | MNTSF | m^2/s^2 | Montgomery stream function |
| 38 | SGCVV | /s | Sigma coord. vertical velocity |
| 39 | V_VEL | Pa/s | Pressure vertical velocity |
| 40 | DZDT | m/s | Geometric vertical velocity |
| 41 | ABS_V | /s | Absolute vorticity |
| 42 | ABS_D | /s | Absolute divergence |
| 43 | REL_V | /s | Relative vorticity |
| 44 | REL_D | /s | Relative divergence |
| 45 | VUCSH | /s | Vertical u-component shear |
| 46 | VVCSH | /s | Vertical v-component shear |
| 47 | DIR_C | deg | Direction of current |
| 48 | SP_C | m/s | Speed of current |
| 49 | UOGRD | m/s | u-component of current |
| 50 | VOGRD | m/s | v-component of current |
| 51 | SPF_H | kg/kg | Specific humidity |
| 52 | R_H | % | Relative humidity |
| 53 | MIXR | kg/kg | Humidity mixing ratio |
| 54 | P_WAT | kg/m^2 | Precipitable water |
| 55 | VAPP | Pa | Vapor pressure |
| 56 | SAT_D | Pa | Saturation deficit |
| 57 | EVP | kg/m^2 | Evaporation |
| 58 | C_ICE | kg/m^2 | Cloud Ice |
| 59 | PRATE | kg/m^2/s | Precipitation rate |
| 60 | TSTM | % | Thunderstorm probability |
| 61 | A_PCP | kg/m^2 | Total precipitation |
| 62 | NCPCP | kg/m^2 | Large scale precipitation |
| 63 | ACPCP | kg/m^2 | Convective precipitation |
| 64 | SRWEQ | kg/m^2/s | Snowfall rate water equivalent |
| 65 | WEASD | kg/m^2 | Water equivalent of accumulated snow depth |
| 66 | SNO_D | m | Snow depth |
| 67 | MIXHT | m | Mixed layer depth |
| 68 | TTHDP | m | Transient thermocline depth |
| 69 | MTHD | m | Main thermocline depth |
| 70 | MTH_A | m | Main thermocline anomaly |
| 71 | T_CDC | % | Total cloud cover |
| 72 | CDCON | % | Convective cloud cover |
| 73 | L_CDC | % | Low level cloud cover |
| 74 | M_CDC | % | Mid level cloud cover |
| 75 | H_CDC | % | High level cloud cover |
| 76 | C_WAT | kg/m^2 | Cloud water |
| 77 | BLI | K | Best lifted index (to 500 hPa) |
| 78 | SNO_C | kg/m^2 | Convective snow |
| 79 | SNO_L | kg/m^2 | Large scale snow |
| 80 | WTMP | K | Water temperature |
| 81 | LAND | fraction | Land-sea mask (land=1;sea=0) |
| 82 | DSL_M | m | Deviation of sea level from mean |
| 83 | SFC_R | m | Surface roughness |
| 84 | ALBDO | % | Albedo |
| 85 | TSOIL | K | Soil temperature |
| 86 | SOIL_M | kg/m^2 | Soil moisture content |
| 87 | VEG | % | Vegetation |
| 88 | SALTY | kg/kg | Salinity |
| 89 | DEN | kg/m^3 | Density |
| 90 | WATR | kg/m^2 | Water runoff |
| 91 | ICE_C | fraction | Ice concentration (ice=1;no ice=0) |
| 92 | ICETK | m | Ice thickness |
| 93 | DICED | deg | Direction of ice drift |
| 94 | SICED | m/s | Speed of ice drift |
| 95 | U_ICE | m/s | u-component of ice drift |
| 96 | V_ICE | m/s | v-component of ice drift |
| 97 | ICE_G | m/s | Ice growth rate |
| 98 | ICE_D | /s | Ice divergence |
| 99 | SNO_M | kg/m^2 | Snow melt |
| 100 | HTSGW | m | Sig height of wind waves and swell |
| 101 | WVDIR | deg | Direction of wind waves |
| 102 | WVHGT | m | Significant height of wind waves |
| 103 | WVPER | s | Mean period of wind waves |
| 104 | SWDIR | deg | Direction of swell waves |
| 105 | SWELL | m | Significant height of swell waves |
| 106 | SWPER | s | Mean period of swell waves |
| 107 | DIRPW | deg | Primary wave direction |
| 108 | PERPW | s | Primary wave mean period |
| 109 | DIRSW | deg | Secondary wave direction |
| 110 | PERSW | s | Secondary wave mean period |
| 111 | NSWRS | W/m^2 | Net short wave radiation (surface) |
| 112 | NLWRS | W/m^2 | Net long wave radiation(surface) |
| 113 | NSWRT | W/m^2 | Net short wave radiation (top) |
| 114 | NLWRT | W/m^2 | Net long wave radiation (top) |
| 115 | LWAVR | W/m^2 | Long wave radiation |
| 116 | SWAVR | W/m^2 | Short wave radiation |
| 117 | G_RAD | W/m^2 | Global radiation |
| 118 | BRTMP | K | Brightness temperature |
| 119 | LWRAD | W/m/sr | Radiance with respect to wave no. |
| 120 | SWRAD | W/m^3/sr | Radiance with respect ot wave len. |
| 121 | LHTFL | W/m^2 | Latent heat flux |
| 122 | SHTFL | W/m^2 | Sensible heat flux |
| 123 | BLYDP | W/m^2 | Boundary layer dissipation |
| 124 | U_FLX | N/m^2 | Momentum flux, u component |
| 125 | V_FLX | N/m^2 | Momentum flux, v component |
| 126 | WMIXE | J | Wind mixing energy |
| 127 | IMG_D | none | Image data |
| 128 | EXTNC | km-1 | Aerosol Extinction Coefficient |
| 129 | AOD | non-dim | Aerosol Optical Depth |
| 130 | ASFTR | non-dim | Aerosol Asymmetry Factor |
| 131 | SSALBD | non-dim | Aerosol Single Scatter Albedo |
| 132 | BSCTRS | non-dim | Aerosol Back Scattering |
| 140 | NOY | ppbV | Total Inorganic and Organic Nitrates |
| 141 | NO | ppbV | Nitrogen Oxide |
| 142 | NO2 | ppbV | Nitrogen Dioxide |
| 143 | N2O5 | ppbV | Nitrogen Pentoxide |
| 144 | HNO3 | ppbV | Nitric Acid |
| 145 | NO3 | ppbV | Nitrogen Trioxide |
| 146 | PNA | ppbV | Peroxynitric Acid |
| 147 | HONO | ppbV | Nitrous Acid |
| 148 | CO | ppbV | Carbon Monoxide |
| 149 | NH3 | ppbV | Ammonia |
| 150 | HCL | ppbV | Hydrogen Chloride |
| 159 | PAR | ppbV | Lumped Single-Bond Carbon Species |
| 160 | ETHE | ppbV | Ethene |
| 161 | OLE | ppbV | Lumped Double-Bond Carbon Species Less Ethene |
| 162 | TOL | ppbV | Toluene |
| 163 | XYL | ppbV | Xylene |
| 164 | ISOP | ppbV | Isoprene |
| 166 | FORM | ppbV | Formaldehyde |
| 167 | ALD2 | ppbV | Acetaldehyde & Higher Aldehydes |
| 168 | MGLY | ppbV | Methyl Glyoxal |
| 169 | CRES | ppbV | Cresol and Higher Molecular Weight Phenols |
| 172 | PAN | ppbV | Peroxyacyl Nitrate |
| 173 | NTR | ppbV | Lumped Gaseous Organic Nitrate |
| 177 | ROOH | ppbV | Esters |
| 178 | ETHOH | ppbV | Ethanol |
| 179 | METHOH | ppbV | Methanol |
| 186 | H2O2 | ppbV | Hydrogen Peroxide |
| 187 | OH | ppbV | Hydroxyl Radical |
| 188 | HO2 | ppbV | Hydroperoxyl Radical |
| 200 | ASO4 | mcg/m^3 | Sulfate (SO4) Particulates <=2.5 m*10-6 Diameter |
| 201 | ANH4 | mcg/m^3 | Ammonia (NH4) Particulates <=2.5 m*10-6 Diameter |
| 202 | ANO3 | mcg/m^3 | Nitrate (NO3) Particulates <=2.5 m*10-6 Diameter |
| 203 | AORGA | mcg/m^3 | Organic Particulates <=2.5 m*10-6 Diameter |
| 204 | AORGPA | mcg/m^3 | Primarily Organic Particulates <=2.5 m*10-6 Diameter |
| 205 | AORGB | mcg/m^3 | Biogenically Originated Particulates <=2.5 m*10-6 Diameter |
| 206 | AEC | mcg/m^3 | Elemental Carbon Particulates <=2.5 m*10-6 Diameter |
| 207 | A25 | mcg/m^3 | Unspecified Anthropogenic Particulates <=2.5 m*10-6 Diameter |
| 208 | AH2O | mcg/m^3 | Water Particulates <=2.5 m*10-6 Diameter |
| 209 | ANA | mcg/m^3 | Sodium Particulates <=2.5 m*10-6 Diameter |
| 210 | ACL | mcg/m^3 | Chloride Particulates <=2.5 m*10-6 Diameter |
| 216 | ASO4K | mcg/m^3 | Sulfate (SO4) Particulates between 2.5 and 10 m*10-6 Diameter |
| 217 | ANAK | mcg/m^3 | Sodium (NA) Particulates between 2.5 and 10 m*10-6 Diameter |
| 218 | ACLK | mcg/m^3 | Chloride (CL) Particulates between 2.5 and 10 m*10-6 Diameter |
| 219 | ASEAS | mcg/m^3 | Sea Salt Originated Particulates between 2.5 and 10 m*10-6 Diameter |
| 220 | ASOIL | mcg/m^3 | Crustal Material Orginated Particulates between 2.5 and 10 m*10-6 Diameter |
| 221 | ACORS | mcg/m^3 | Particulates between 2.5 and 10 m*10-6 Diameter |
| 222 | NUMATKN | number/m^3 | Number Concentration Particulates between 2.5 and 0.1 m*10-6 Diameter |
| 223 | NUMACC | number/m^3 | Number Concentration Particulates between 2.5 and 2.5 m*10-6 Diameter |
| 224 | NUMCOR | number/m^3 | Number Concentration Particulates between 2.5 and 10 m*10-6 Diameter |
| 228 | SRFATKN | m^2/m^3 | Surface Area Contributed by Particulates <= 0.1 m*10-6 Diameter |
| 229 | SRFACC | m^2/m^3 | Surface Area Contributed by Particulates between 0.1 and 2.5 m*10-6 Diameter |
| 232 | SO2 | ppbV | Sulfur Dioxide |
| 233 | MSA | Kg/Kg | Methanesulfonic Acid |
| 234 | TSO4 | mcg/m^3 | Total Sulfate Particulates (Fine ands Coarse) |
| 235 | DMS | Kg/Kg | Dimethylsulfide |
| 240 | DU1 | Kg/Kg | Dust Particulates between 0.2 - 2.0 m*10-6 Diameter |
| 241 | DU2 | Kg/Kg | Dust Particulates between 2.0 - 3.6 m*10-6 Diameter |
| 242 | DU3 | Kg/Kg | Dust Particulates between 3.6 - 6.0 m*10-6 Diameter |
| 243 | DU4 | Kg/Kg | Dust Particulates between 6.0 - 12.0 m*10-6 Diameter |
| 244 | DU5 | Kg/Kg | Dust Particulates between 12.0 - 20.0 m*10-6 Diameter |
| 245 | SS1 | Kg/Kg | Sea Salt Particulates between 0.2 - 1.0 m*10-6 Diameter |
| 246 | SS2 | Kg/Kg | Sea Salt Particulates between 1.0 - 3.0 m*10-6 Diameter |
| 247 | SS3 | Kg/Kg | Sea Salt Particulates between 3.0 - 10.0 m*10-6 Diameter |
| 248 | SS4 | Kg/Kg | Sea Salt Particulates between 10.0 - 20.0 m*10-6 Diameter |
| 249 | OCDRY | Kg/Kg | Hydrophobic Organic Carbon |
| 250 | OCWET | Kg/Kg | Hydrophilic Organic Carbon |
| 251 | BCDRY | Kg/Kg | Hydrophobic Black Carbon |
| 252 | BCWET | Kg/Kg | Hydrophilic Black Carbon |