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WXP Product Description

Variables

Variable Number Description
pres 1,2,
129,130
Pressure
slpres 2 Pressure
ptend 3 Pressure tendency
pvort 4 Potential vorticity
geop 6 Geopotential
hght 7 Geopotential Height
hght 8 Height
ozone 10 Total Ozone
temp 11 Temperature
vtemp 12 Virtual temperature
theta 13 Potential temperature
thetae 14 Equiv potential temp
maxt 15 Maximum temperature
mint 16 Minimum temperature
dewp 17 Dewpoint temperature
dewd 18 Dewpoint depression
lapse 19 Lapse rate
vis 20 Visibility
plift 24 Parcel lifted index
ganom 27 Geopotential anomaly
wdir 31 Wind direction
wspd 32 Wind speed
spd 32 Wind speed
uwnd 33 U wind component
vwnd 34 V wind component
strf 35 Stream function
mstrf 37 Montgomery stream func
svvel 38 Vertical velocity-sigma
vvel 39 Vertical velocity
gvvel 40 Vertical velocity-geom
avort 41 Abs vorticity
rvort 43 Rel vorticity
shum 51 Specific humidity
rhum 52 Relative humidity
mrat 53 Mixing ratio
pwat 54 Precipitable water
vpres 55 Vapor pressure
evap 57 Evaporation
clice 58 Cloud ice
prrate 59 Precipitation rate
thprb 60 Thunderstorm Prob
prec 61 Precipitation amount
lprec 62 Large scale prec amount
cprec 63 Convective prec amount
snwrt 64 Snowfall rate water equiv
snwwe 65 Snow depth water equiv
snwdp 66 Snow depth
cldcv 71 Cloud cover
lwcon 77 Liquid water content
wtemp 80 Water temperature
lsmsk 81 Land-sea mask
rough 83 Roughness
alb 84 Albedo
stemp 85 Soil temperature
smst 86 Soil moisture content
runoff 90 Water runoff
icecn 91 Ice concentration
wavhgt 100 Wave height
wavhgt 102 Wave height
wavdir 107 Wave direction
wavper 108 Wave period
swsfc 111 Net SW radiation-Sfc
lwsfc 112 Net LW radiation-Sfc
swtop 113 Net SW radiation-Top
lwtop 114 Net LW radiation-Top
lheat 121 Latent heat flux
sheat 122 Sensible heat flux
umomf 124 Momentum flux u comp
vmomf 125 Momentum flux v comp
press 128 Pressure-Std
presm 129 Pressure-MAPS
prese 130 Pressure-ETA
lift 131 Lifted index
lift4 132 4 lyr lifted index
ki 133 K index
sweat 134 Sweat index
mconv 135 Moisture convergence
vsshr 136 Vertical speed shear
bvasf 138 Brunt-Vaisala freq
pvort 139 Potential vorticity
crain 140 Categorical rain
cfzrn 141 Categorical freezing rain
cicep 142 Categorical ice pellets
csnow 143 Categorical snow
vsmst 144 Vol. soil moisture content
pevap 145 Pot. evaporation rate
cldwf 146 Cloud workfunction
zfgws 147 Zonal flux gravity wave stress
mfgws 148 Meridional flux gravity wave stress
pvort 149 Potential vorticity
clwat 153 Cloud water
ghtf 155 Ground heat flux
cinh 156 Convective inhibition
cape 157 CAPE
tke 158 Turbulent kenetic energy
lcl 159 Lifted cond level
csusf 160 Clear sky upward solar flux
csdsf 161 Clear sky downward solar flux
csulf 162 Clear sky upward longwave flux
csdlf 163 Clear sky downward longwave flux
mflux 172 Momentum flux
hel 190 Helicity
enspr 191 Ensemble probability
enspn 192 Ensemble normal probability
pop 193 Probability of precipitation
pofp 194 Probability of frozen precip
pozp 195 Probability of freezing precip
ustrm 196 U comp storm motion
vstrm 197 V comp storm motion
icefw 201 Ice free water sfc
dsw 204 Downward SW radiation
dlw 205 Downward LW radiation
mstav 207 Moisture availability
exch 208 Exchange coeff
nmix 209 Num of mixed layers near sfc
usw 211 Upward SW radiation
ulw 212 Upward LW radiation
ancld 213 Amount of non-conv cloud
cprate 214 Conv precipitation rate
ttrnd 216 Temp tend by radiation
5wavh 222 5 wave geopotential height
5wava 230 5 wave geopotential anomaly
show 261 Showalter index
tt 262 Total totals index
vtot 263 Vertical totals index
ctot 264 Cross totals index
ei 265 Energy index
cap 266 Cap Strength
ehi 270 Energy helicity index
shear 271 Wind shear
pshr 272 Pos comp wind shear
nshr 273 Neg comp wind shear
dshr 274 Storm rel directional shear
bshr 275 Bulk wind shear
brn 276 Bulk Richardson number
frz 280 Freezing level
wb0 281 Wet bulb zero
ccl 282 Conv cond level
convt 283 Convective temperature
lfc 284 Level of free convection
el 285 Equilibrium level
alt 301 Altimeter setting
pag 305 Pressure above ground
hag 306 Height above ground
thick 307 Thickness
tlapse 308 Pot temp lapse rate
ststab 309 Static stability
wetblb 310 Wet bulb temperature
thetaw 311 Wet bulb potential temp
thetav 312 Virt potential temp
extt 314 Extreme temperature
nmaxt 315 Normal maximum temperature
nmint 316 Normal minimum temperature
mrhum 317 Mean relative humidity
wchilt 320 Wind Chill Temperature
wchilf 321 Wind Chill Factor
heat 322 Heat Index
humit 323 Humiture
uwnds 326 Wind stress U comp
vwnds 327 Wind stress V comp
wgst 329 Wind gusts
wind 330 Winds
barb 331 Wind barbs
vect 332 Wind vectors
strm 333 Wind streamlines
ugeos 334 U geostrophic wind component
vgeos 335 V geostrophic wind component
gvect 336 Geostrophic wind vectors
gspd 337 Geostrophic wind speed
qvect 338 Q vectors
qvconv 339 Q vector convergence
mconv 340 Moisture convergence
tadv 341 Temperature advection
madv 342 Moisture advection
vadv 343 Vorticity advection
padv 344 Pressure advection
wx 350 Present weather
fr 351 Flight conditions
solar 360 Solar radiation
snwfl 366 Snowfall accumulation
cldcl 371 Cloud ceiling
lcld 372 Low clouds
mcld 373 Middle clouds
hcld 374 High clouds
all 380 All data
cli 381 Climate data
city 382 Available cities
stat 383 Radar Status
depict 384 Weather depiction
front 390 Frontal positions
sum 400 Radar summary
pr_typ 401 Precip type
pr_tt 402 Precip type and trend
pr_tnd 403 Precip trend
echtop 404 Echo tops
pr_amv 405 Precip area movement
pr_cmv 406 Precip cell movement
watch 407 Severe weather watches
maxtop 408 Max echo top
storm 409 Storm ID
tops 410 Echo tops
move 411 Movement
tvs 412 Tornado vortex sig
meso 413 Mesocyclone
hail 414 Hail
dmaxt 415 Maximum temperature deviation
dmint 416 Minimum temperature deviation
pop 420 Probability of precipitation
pot 421 Probability of thunderstorms
pots 422 Probability of severe tstorms
diverg 501 Divergence
conv 502 Convergence
vconv 503 Convergence
adv 504 Advection
grad 505 Gradient
uwndg 533 U wind component grid-rel
vwndg 534 V wind component grid-rel
mrhum 600 Mean Relative humidity

Defined in the "variable.lup" file.

From GRIB PDB Octet 9, Parameter and Units


For further information about WXP, email technical-support@weather.unisys.com
Last updated by Dan Vietor on August 12, 1998