[gradsusr] Cannot contour grid - all undefined values
Estefanía Jiménez
estefaniajimenez.r at gmail.com
Fri May 17 13:23:23 EDT 2013
Thanks for all your help Jeff!
2013/5/17 Jeff Duda <jeffduda319 at gmail.com>
> I'm not an expert on reading wgrib output, but I don't see anything that
> immediately strikes me as wrong. I do find it odd that there is one output
> for each of the five levels, though. Doesn't mean anything is wrong,
> though. The only help I can further offer is to make sure you used gribmap
> on the control file to create the index file. I would think Grads would
> give you a more obvious error if the index file didn't exist, but maybe it
> didn't. If that doesn't solve your problem, someone else wiser than me
> will have to step in and help you.
>
> Good luck.
>
> Jeff
>
>
> On Fri, May 17, 2013 at 12:13 PM, Estefanía Jiménez <
> estefaniajimenez.r at gmail.com> wrote:
>
>> Exactly! With wgrib -V I get this:
>>
>> Undefined parameter table (center 100-2 table 128), using NCEP-opn
>> rec 1:0:date 1976010100 TMP kpds5=11 kpds6=100 kpds7=1000 levels=(3,232)
>> grid=255 1000 mb 0-1yr ave: bitmap: 5500 undef
>> TMP=Temp. [K]
>> timerange 3 P1 0 P2 1 TimeU 4 nx 110 ny 50 GDS grid 0 num_in_ave 0
>> missing 0
>> center 100 subcenter 2 process 13 Table 128
>> latlon: lat 7.000000 to 11.900000 by 0.100000 nxny 5500
>> long -89.000000 to -78.099000 by 0.100000, (110 x 50) scan 2
>> mode 128 bdsgrid 1
>> min/max data 3.40282e+38 -3.40282e+38 num bits 16 BDS_Ref 3.40282e+38
>> DecScale 0 BinScale -32766
>>
>> rec 2:778:date 1976010100 TMP kpds5=11 kpds6=100 kpds7=925 levels=(3,157)
>> grid=255 925 mb 0-1yr ave: bitmap: 5500 undef
>> TMP=Temp. [K]
>> timerange 3 P1 0 P2 1 TimeU 4 nx 110 ny 50 GDS grid 0 num_in_ave 0
>> missing 0
>> center 100 subcenter 2 process 13 Table 128
>> latlon: lat 7.000000 to 11.900000 by 0.100000 nxny 5500
>> long -89.000000 to -78.099000 by 0.100000, (110 x 50) scan 2
>> mode 128 bdsgrid 1
>> min/max data 3.40282e+38 -3.40282e+38 num bits 16 BDS_Ref 3.40282e+38
>> DecScale 0 BinScale -32766
>>
>> rec 3:1556:date 1976010100 TMP kpds5=11 kpds6=100 kpds7=850 levels=(3,82)
>> grid=255 850 mb 0-1yr ave: bitmap: 5500 undef
>> TMP=Temp. [K]
>> timerange 3 P1 0 P2 1 TimeU 4 nx 110 ny 50 GDS grid 0 num_in_ave 0
>> missing 0
>> center 100 subcenter 2 process 13 Table 128
>> latlon: lat 7.000000 to 11.900000 by 0.100000 nxny 5500
>> long -89.000000 to -78.099000 by 0.100000, (110 x 50) scan 2
>> mode 128 bdsgrid 1
>> min/max data 3.40282e+38 -3.40282e+38 num bits 16 BDS_Ref 3.40282e+38
>> DecScale 0 BinScale -32766
>>
>> rec 4:2334:date 1976010100 TMP kpds5=11 kpds6=100 kpds7=500
>> levels=(1,244) grid=255 500 mb 0-1yr ave: bitmap: 5500 undef
>> TMP=Temp. [K]
>> timerange 3 P1 0 P2 1 TimeU 4 nx 110 ny 50 GDS grid 0 num_in_ave 0
>> missing 0
>> center 100 subcenter 2 process 13 Table 128
>> latlon: lat 7.000000 to 11.900000 by 0.100000 nxny 5500
>> long -89.000000 to -78.099000 by 0.100000, (110 x 50) scan 2
>> mode 128 bdsgrid 1
>> min/max data 3.40282e+38 -3.40282e+38 num bits 16 BDS_Ref 3.40282e+38
>> DecScale 0 BinScale -32766
>>
>> rec 5:3112:date 1976010100 TMP kpds5=11 kpds6=100 kpds7=250
>> levels=(0,250) grid=255 250 mb 0-1yr ave: bitmap: 5500 undef
>> TMP=Temp. [K]
>> timerange 3 P1 0 P2 1 TimeU 4 nx 110 ny 50 GDS grid 0 num_in_ave 0
>> missing 0
>> center 100 subcenter 2 process 13 Table 128
>> latlon: lat 7.000000 to 11.900000 by 0.100000 nxny 5500
>> long -89.000000 to -78.099000 by 0.100000, (110 x 50) scan 2
>> mode 128 bdsgrid 1
>> min/max data 3.40282e+38 -3.40282e+38 num bits 16 BDS_Ref 3.40282e+38
>> DecScale 0 BinScale -32766
>>
>>
>>
>> 2013/5/17 Jeff Duda <jeffduda319 at gmail.com>
>>
>>> So you're doing this then?
>>>
>>> 'open (control_file).ctl'
>>> 'd temp'
>>>
>>> And you get the error?
>>>
>>> If so, then there could be an error in the way lats4d wrote the data to
>>> the grib file you are using. I've never used lats4d, but I have noticed
>>> sometimes with GRIB files if you don't specify the dimensions correctly you
>>> can get these problems. What happens if you just do a wgrib -V on the data
>>> file?
>>>
>>> Jeff
>>>
>>>
>>> On Fri, May 17, 2013 at 11:44 AM, Estefanía Jiménez <
>>> estefaniajimenez.r at gmail.com> wrote:
>>>
>>>> No, I think I don't need a PDEF entry. This is what I get when I open
>>>> the file:
>>>>
>>>> LON set to -89 -78.1
>>>> LAT set to 7 11.9
>>>> LEV set to 1000 1000
>>>> Time values set: 1976:1:1:0 1976:1:1:0
>>>>
>>>>
>>>> 2013/5/17 Jeff Duda <jeffduda319 at gmail.com>
>>>>
>>>>> What is the Grads dimension environment when you try to display temp?
>>>>> Also, do you need a PDEF entry in that control file?
>>>>>
>>>>> Jeff
>>>>>
>>>>>
>>>>> On Fri, May 17, 2013 at 11:23 AM, Estefanía Jiménez <
>>>>> estefaniajimenez.r at gmail.com> wrote:
>>>>>
>>>>>> Sure! Thanks for answering... here is the .ctl file:
>>>>>>
>>>>>> dset ^media_clima.grb
>>>>>> title file created by grads using lats4d available from
>>>>>> http://dao.gsfc.nasa.gov/software/grads/lats4d/
>>>>>> undef 1e+20
>>>>>> dtype grib
>>>>>> index ^media_clima.gmp
>>>>>> xdef 110 linear -89.000000 0.100000
>>>>>> ydef 50 linear 7.000000 0.100000
>>>>>> zdef 5 levels
>>>>>> 1000 925 850 500 250
>>>>>> tdef 1 linear 0Z1jan1976 1yr
>>>>>> vars 1
>>>>>> temp 5 11,100 ABSOLUTE TEMPERATURE [K]
>>>>>> endvars
>>>>>>
>>>>>> It is just one value was in the file 'cause is an average.
>>>>>>
>>>>>>
>>>>>> 2013/5/17 Jeff Duda <jeffduda319 at gmail.com>
>>>>>>
>>>>>>> Generally that means you tried to display a variable that is not
>>>>>>> defined at a given vertical level or time slice. Did you try to plot a
>>>>>>> surface variable when your dimension environment is not lev 1000 or z 1?
>>>>>>> Was this a defined variable?
>>>>>>> Give more information.
>>>>>>>
>>>>>>> Jeff Duda
>>>>>>>
>>>>>>>
>>>>>>> On Fri, May 17, 2013 at 11:00 AM, Estefanía Jiménez <
>>>>>>> estefaniajimenez.r at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi everyone! I'm getting this when I'm trying to display the
>>>>>>>> temperature: *Cannot contour grid - all undefined values*. Does
>>>>>>>> anyone know what the problem is??
>>>>>>>>
>>>>>>>> Thank u!
>>>>>>>>
>>>>>>>> --
>>>>>>>> Met27
>>>>>>>>
>>>>>>>>
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>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Jeff Duda
>>>>>>> Graduate research assistant
>>>>>>> University of Oklahoma School of Meteorology
>>>>>>> Center for Analysis and Prediction of Storms
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> gradsusr mailing list
>>>>>>> gradsusr at gradsusr.org
>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Jeff Duda
>>>>> Graduate research assistant
>>>>> University of Oklahoma School of Meteorology
>>>>> Center for Analysis and Prediction of Storms
>>>>>
>>>>> _______________________________________________
>>>>> gradsusr mailing list
>>>>> gradsusr at gradsusr.org
>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>>
>>>>
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>>>>
>>>
>>>
>>> --
>>> Jeff Duda
>>> Graduate research assistant
>>> University of Oklahoma School of Meteorology
>>> Center for Analysis and Prediction of Storms
>>>
>>> _______________________________________________
>>> gradsusr mailing list
>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>>
>>
>>
>>
>>
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>>
>
>
> --
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
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> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
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>
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