grib2ctl

[Daniel Leins]

List,

Has anyone had any success in downloading NCEP grib data from
ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/nam/prod, and converting it
into a GrADS readable format using either this "degrib" or grib2ctl?
I've tried to use grib2ctl, I can generate a ctl file,, however when I
`gribmap -v -i model.ctl`, this is the output I get...

gribmap:  Scanning binary GRIB file(s):
gribmap:  Opening GRIB file nam.t12z.awp21112.tm00
----- Time out of bounds:    1       9918  211  1  0  130  102
0             89          0  13 btim: 2005040812:00 tau:     12 dtim:
2005040900:00
----- Time out of bounds:    2      19836  211  1  0   2  102 0
10007          0  13 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    3      25974  211  1  0  41  100 250
19925          0  8 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    4      32112  211  1  0  41  100 500
26063          0  8 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    5      38250  211  1  0  41  100 700
32201          0  8 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    6      44388  211  1  0  41  100 850
38339          0  8 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    7      51282  211  1  0  41  100 1000
44477          0  9 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    8      63466  211  1  0   1   1 0
51371          0  16 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:    9      74138  211  1  0   7   1 0
63555          0  14 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:   10      80276  211  1  0  11  105 2
74227          0  8 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:   11      85660  211  1  0  52  105 2
80365          0  7 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:   12      91044  211  1  0  33  105 10
85749          0  7 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:   13      96428  211  1  0  34  105 10
91133          0  7 btim: 2005040812:00 tau:     12 dtim: 2005040900:00
----- Time out of bounds:   14     103322  211  1  0  61   1 0
96517          0  9 btim: 2005040812:00 tau:     12 dtim: 2005040900:00


etc.....all the way down through Time out of bounds: 181.  The map is
written, however when I try and display anything within GrADS, I'm told
that "Entire Grid undefined".

I followed the directions verbatim at
http://grads.iges.org/grads/gadoc/grib2.html, can anyone enlighten me on
what I may have done wrong?  I've included some of my model.ctl file,
which is quite lengthy, but here's some of it anyway.

dset ^nam.t12z.awp21112.tm00
index ^nam.t12z.awp21112.tm00.idx
undef 9.999E+20
title nam.t12z.awp21112.tm00
*  produced by grib2ctl v0.9.12.5p33k
dtype grib 211
pdef 93 65 lcc 12.19 -133.459 1 1 25 25 -95 81270.5 81270.5
xdef 161 linear -140 0.5
ydef 81 linear 20 0.5
tdef 1 linear 12Z08apr2005 1mo
zdef 19 levels
1000 950 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150
100
vars 69
no4LFTX180_0mb  0 132,116,46080 ** 180-0 mb above gnd Best (4-layer)
lifted index [K]
ABSVprs 5 41,100,0 ** Absolute vorticity [/s]
ACPCPsfc  0 63,1,0  ** surface Convective precipitation [kg/m^2]
APCPsfc  0 61,1,0  ** surface Total precipitation [kg/m^2]
CAPEsfc  0 157,1,0  ** surface Convective Avail. Pot. Energy [J/kg]
CAPE180_0mb  0 157,116,46080 ** 180-0 mb above gnd Convective Avail.
Pot. Energy [J/kg]
CAPE90_0mb  0 157,116,23040 ** 90-0 mb above gnd Convective Avail. Pot.
Energy [J/kg]
CFRZRsfc  0 141,1,0  ** surface Categorical freezing rain [yes=1;no=0]
CICEPsfc  0 142,1,0  ** surface Categorical ice pellets [yes=1;no=0]
CINsfc  0 156,1,0  ** surface Convective inhibition [J/kg]
CIN180_0mb  0 156,116,46080 ** 180-0 mb above gnd Convective inhibition
[J/kg]
CIN90_0mb  0 156,116,23040 ** 90-0 mb above gnd Convective inhibition [J/kg]


Thanks,
Dan Leins