| Number (In Section 4, octet 11) |
Parameter | Units |
Abbrev |
|---|---|---|---|
| 0 |
Wind Direction (from which blowing) |
° | WDIR |
| 1 |
Wind Speed |
m s-1 |
WIND |
| 2 |
U-Component of Wind |
m s-1 | UGRD |
| 3 |
V-Component of Wind | m s-1 | VGRD |
| 4 |
Stream Function |
m2 s-1 | STRM |
| 5 |
Velocity Potential |
m2 s-1 | VPOT |
| 6 |
Montgomery Stream Function | m2 s-2 | MNTSF |
| 7 |
Sigma Coordinate Vertical Velocity |
s-1 | SGCVV |
| 8 |
Vertical Velocity (Pressure) |
Pa s-1 | VVEL |
| 9 |
Vertical Velocity (Geometric) | m s-1 | DZDT |
| 10 |
Absolute Vorticity |
s-1 | ABSV |
| 11 |
Absolute Divergence |
s-1 | ABSD |
| 12 |
Relative Vorticity |
s-1 | RELV |
| 13 |
Relative Divergence |
s-1 | RELD |
| 14 |
Potential Vorticity |
K m2 kg-1 s-1 | PVORT |
| 15 |
Vertical U-Component Shear |
s-1 | VUCSH |
| 16 |
Vertical V-Component Shear |
s-1 | VVCSH |
| 17 |
Momentum Flux, U-Component | N m-2 | UFLX |
| 18 |
Momentum Flux, V-Component | N m-2 | VFLX |
| 19 |
Wind Mixing Energy |
J |
WMIXE |
| 20 |
Boundary Layer Dissipation |
W m-2 | BLYDP |
| 21 |
Maximum Wind Speed (see Note 1) | m s-1 | MAXGUST |
| 22 |
Wind Speed (Gust) |
m s-1 | GUST |
| 23 |
U-Component of Wind (Gust) | m s-1 | UGUST |
| 24 |
V-Component of Wind (Gust) | m s-1 | VGUST |
| 25 |
Vertical Speed Shear | s-1 | VWSH |
| 26 |
Horizontal Momentum Flux | N m-2 | MFLX |
| 27 |
U-Component Storm Motion | m s-1 | USTM |
| 28 |
V-Component Storm Motion | m s-1 | VSTM |
| 29 |
Drag Coefficient | Numeric | CD |
| 30 |
Frictional Velocity | m s-1 | FRICV |
| 31 |
Turbulent Diffusion Coefficient for Momentum | m2 s-1 | TDCMOM |
| 32 |
Eta Coordinate Vertical Velocity | s-1 | ETACVV |
| 33 |
Wind Fetch | m | WINDF |
| 34 |
Normal Wind Component (see Note 2) | m s-1 | NWIND |
| 35 |
Tangential Wind Component (see Note 2) | m s-1 | TWIND |
| 36 |
Amplitude Function for Rossby Wave Envelope for Meridional Wind (see Note 3) | m s-1 | AFRWE |
| 37 |
Northward Turbulent Surface Stress (see Note 4) | N m-2 s | NTSS |
| 38 |
Eastward Turbulent Surface Stress (see Note 4) | N m-2 s | ETSS |
| 39 | Eastward Wind Tendency Due to Parameterizations | m s-2 | EWTPARM |
| 40 | Northward Wind Tendency Due to Parameterizations | m s-2 | NWTPARM |
| 41 | U-Component of Geostrophic Wind | m s-1 | UGWIND |
| 42 | V-Component of Geostrophic Wind | m s-1 | VGWIND |
| 43 | Geostrophic Wind Direction | ° | GEOWD |
| 44 | Geostrophic Wind Speed | m s-1 | GEOWS |
| 45 | Unbalanced Component of Divergence | s-1 | UNDIV |
| 46 | Vorticity Advection | s-2 | VORTADV |
| 47 | Surface roughness for heat,(see Note 5) | m | SFRHEAT |
| 48 | Surface roughness for moisture,(see Note 6) | m | SFRMOIST |
| 49 | Wind stress | N m-2 | WINDSTR |
| 50 | Eastward wind stress | N m-2 | EWINDSTR |
| 51 | Northward wind stress | N m-2 | NWINDSTR |
| 52 | u-component of wind stress | N m-2 | UWINDSTR |
| 53 | v-component of wind stress | N m-2 | VWINDSTR |
| 54 | Natural logarithm of surface roughness length for heat | m | NLSRLH |
| 55 | Natural logarithm of surface roughness length for moisture | m | NLSRLM |
| 56 | u-component of neutral wind | m s-1 | UNWIND |
| 57 | v-component of neutral wind | m s-1 | VNWIND |
| 58 | Magnitude of turbulent surface stress | N m-2 | TSFCSTR |
| 59 | Vertical divergence | s-1 | VDIV |
| 60 | Drag thermal coefficient | Numeric | DTC |
| 61 | Drag evaporation coefficient | Numeric | DEC |
| 62 | Eastward turbulent surface stress | N m-2 | EASTTSS |
| 63 | Northward turbulent surface stress | N m-2 | NRTHTSS |
| 64 | Eastward turbulent surface stress due to orographic form drag | N m-2 | EASTTSSOD |
| 65 | Northward turbulent surface stress due to orographic form drag | N m-2 | NRTHTSSOD |
| 66 | Eastward turbulent surface stress due to surface roughness | N m-2 | EASTTSSSR |
| 67 | Northward turbulent surface stress due to surface roughness | N m-2 | NRTHTSSSR |
| 68-191 |
Reserved | ||
| 192-254 |
Reserved
for Local Use |
||
| 192 |
Vertical Speed Shear | s-1 | VWSH |
| 193 |
Horizontal Momentum Flux | N m-2 | MFLX |
| 194 |
U-Component Storm Motion | m s-1 | USTM |
| 195 |
V-Component Storm Motion | m s-1 | VSTM |
| 196 |
Drag Coefficient | non-dim | CD |
| 197 |
Frictional Velocity | m s-1 | FRICV |
| 198 |
Latitude of U Wind Component of Velocity | deg | LAUV |
| 199 |
Longitude of U Wind Component of Velocity | deg | LOUV |
| 200 |
Latitude of V Wind Component of Velocity | deg | LAVV |
| 201 |
Longitude of V Wind Component of Velocity | deg | LOVV |
| 202 |
Latitude of Presure Point | deg | LAPP |
| 203 |
Longitude of Presure Point | deg | LOPP |
| 204 |
Vertical Eddy Diffusivity Heat exchange | m2 s-1 | VEDH |
| 205 |
Covariance between Meridional and Zonal Components of the wind. |
m2 s-2 | COVMZ |
| 206 |
Covariance between Temperature and Zonal Components of the wind. |
K*m s-1 | COVTZ |
| 207 |
Covariance between Temperature and Meridional Components of the wind. |
K*m s-1 | COVTM |
| 208 |
Vertical Diffusion Zonal Acceleration |
m s-2 | VDFUA |
| 209 |
Vertical Diffusion Meridional Acceleration |
m s-2 | VDFVA |
| 210 |
Gravity wave drag zonal acceleration |
m s-2 |
GWDU |
| 211 |
Gravity wave drag meridional acceleration |
m s-2 |
GWDV |
| 212 |
Convective zonal momentum mixing acceleration |
m s-2 |
CNVU |
| 213 |
Convective meridional momentum mixing acceleration |
m s-2 |
CNVV |
| 214 |
Tendency of vertical velocity | m s-2 |
WTEND |
| 215 |
Omega (Dp/Dt) divide by density | K |
OMGALF |
| 216 |
Convective Gravity wave drag zonal acceleration |
m s-2 |
CNGWDU |
| 217 |
Convective Gravity wave drag meridional acceleration |
m s-2 |
CNGWDV |
| 218 |
Velocity Point Model Surface | LMV | |
| 219 |
Potential Vorticity (Mass-Weighted) | 1/s/m | PVMWW |
| 220 |
Hourly Maximum of Upward Vertical Velocity | m s-1 |
MAXUVV |
| 221 |
Hourly Maximum of Downward Vertical Velocity | m s-1 |
MAXDVV |
| 222 |
U Component of Hourly Maximum 10m Wind Speed | m s-1 |
MAXUW |
| 223 |
V Component of Hourly Maximum 10m Wind Speed | m s-1 |
MAXVW |
| 224 |
Ventilation Rate | m2 s-1 |
VRATE |
| 225 | Transport Wind Speed | m s-1 | TRWSPD |
| 226 | Transport Wind Direction | Deg | TRWDIR |
| 227 | Earliest Reasonable Arrival Time (10% exceedance) | s | TOA10 |
| 228 | Most Likely Arrival Time (50% exceedance) | s | TOA50 |
| 229 | Most Likely Departure Time (50% exceedance) | s | TOD50 |
| 230 | Latest Reasonable Departure Time (90% exceedance) | s | TOD90 |
| 231 | Tropical Wind Direction | ° | TPWDIR |
| 232 | Tropical Wind Speed | m s-1 | TPWSPD |
| 233 | Inflow Based (ESFC) to 50% EL Shear Magnitude | kt | ESHR |
| 234 | U Component Inflow Based to 50% EL Shear Vector | kt | UESH |
| 235 | V Component Inflow Based to 50% EL Shear Vector | kt | VESH |
| 236 | U Component Bunkers Effective Right Motion | kt | UEID |
| 237 | V Component Bunkers Effective Right Motion | kt | VEID |
| 255 |
Missing |
| Notes: (1) Parameter deprecated - See Regulation 92.6.2 and use another parameter instead. (2) In relation to local coordinate axes at a cell edge. (3)This parameter is described in more detail by (a) Lee, S. and I.M. Held, 1993: Baroclinic wave packets in models and observations. J. Atmos. Sci., 50:1413-1428, (b) Chang, E.K.M., 1993: Downstream development of baroclinic waves as inferred from regression analysis. J. Atmos. Sci., 50:2038-2053, (c) Archambault, H.M., D. Keyser and L.F. Bosart, 2010: Relationships between large-scale regime transitions and major cool-season precipitation events in the northeastern United States. Mon Wea. Review, 138:3454-3473, and(d) Zimin, A.V., I. Szunyogh, B.R. Hung and E. Orr, 2006: Extracting envelopes of non-zonally propagating Rossby wave packets. Mon. Wea. Review, 134:1329-1333. (4) Statistical process 1 (Accumulation) does not change units. (5) Surface roughness for heat is a measure of the surface resistance to heat transfer. (6) Surface roughness for moisture is a measure of the surface resistance to moisture transfer. |