grib2ctl

Tue Apr 12 14:54:44 EDT 2005

Indeed, this did work, I don't know what I did wrong initially.

I downloaded the 24hr mesoeta prog from the ncep server.  Since the
dataset is only valid for the +24hr time period, is the verification
time the same as the
initial time?  I assume it is, since following both examples provided
the same results.

Dan

Wesley Ebisuzaki wrote:

> Dan,
>
>     Works for me.
>
>     If you want to use the verification time, use
>
>              grib2ctl.pl -verf gribfile >gribfile.ctl
>              gribmap -i gribfile.ctl
>
>     If you want to use the initial time (start of the forecast), use
>
>              grib2ctl.pl gribfile >gribfile.ctl
>              gribmap -0 -i gribfile.ctl
>
>        Wesley
>
>
> Daniel Leins wrote:
>
>> 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
>