[gradsusr] using EDEF to create an ensemble in Grads

[Jeffrey Duda]

I wish to concatenate several separate sets of WRF output in which only the
PBL scheme is changed into an ensemble.  I edited a control file
accordingly, and made sure to place all binary files in the same directory.
However, when I open the control file and attempt to display any variables
(whether the e dimension is varying or not), I get the "cannot contour grid
- all undefined values" error.  What am I doing wrong?

Here is the cltinfo:

dset summer_%e_%y4-%m2-%d2_%h2:%n2.dat
title OUTPUT FROM WRF V3.1.1 MODEL
undef 1e+30
xdef 1021 linear -150.3 0.103811
ydef 489 linear 12.4 0.103811
zdef 26 linear 1 1
tdef 61 linear 00Z14JUL2010 60mn
edef 7
ysu 61 00Z14JUL2010
myj 61 00Z14JUL2010
qnse 61 00Z14JUL2010
mynn25 61 00Z14JUL2010
mynn3 61 00Z14JUL2010
pleim 61 00Z14JUL2010
boulac 61 00Z14JUL2010
endedef
vars 20
u  26  0  x-wind component (m s-1)
v  26  0  y-wind component (m s-1)
w  26  0  z-wind component (m s-1)
ww  26  0  omega (Pa s-1)
ph  26  0  perturbation geopotential (m2 s-2)
phb  26  0  base-state geopotential (m2 s-2)
p  26  0  perturbation pressure (Pa)
pb  26  0  BASE STATE PRESSURE (Pa)
q2  1  0  QV at 2 M (kg kg-1)
t2  1  0  TEMP at 2 M (K)
psfc  1  0  SFC PRESSURE (Pa)
u10  1  0  U at 10 M (m s-1)
v10  1  0  V at 10 M (m s-1)
qvapor  26  0  Water vapor mixing ratio (kg kg-1)
hgt  1  0  Terrain Height (m)
rainc  1  0  ACCUMULATED TOTAL CUMULUS PRECIPITATION (mm)
rainnc  1  0  ACCUMULATED TOTAL GRID SCALE PRECIPITATION (mm)
pblh  1  0  PBL HEIGHT (m)
tc  26  0  Temperature (C)
slp  1  0  Sea Levelp Pressure (hPa)
endvars

Jeff Duda

-- 
Jeff Duda
Iowa State University
Meteorology Graduate Student
3134 Agronomy Hall
www.meteor.iastate.edu/~jdduda
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