[gembud] GDATTIM with precip

[Mike Hardiman]

Thanks, that worked!

-Mike



David Knight wrote:
> 
> Try
> GDATTIM=080307/1200F048:080307/1200F045
> 
> 
>> Hey all,
>>
>> I'm trying to use GEMPAK to split up the run-total accumulated precip 
>> values supplied in the public GEM (Canadian) data into 3-hourly chunks. 
>>   I used dcgrib to create GEMPAK grid files of "P45M" and "P48M" from 
>> the +f045 and +f048 grib files, then used GDDIAG to create a new GEMPAK 
>> grid file, subtracting the two fields, and calling the new grid "P03M"
>>
>> I get the following output from GDINFO (run on the new P03M grid):
>>
>> NUM	TIME1		TIME2		LEVL1  LEVL2  VCORD  PARM
>>    1   080307/1200F048   080307/1200F045     0          NONE  P03M
>>
>> Note that this is run with GFUNC=P03M, GLEVEL=0, GVCORD=NONE, GDATTIM=ALL.
>>
>> However, I can't get this data to display using GDCNTR or GDPLOT3.  They 
>> all complain about the GDATTIM value.  "ALL" is not accepted as a proper 
>> value in GDCNTR or GDPLOT3, and listing "last" or even "80307/1200F048" 
>> doesn't work either.
>>
>> Note that using GDDATTIM=all is the only way to get GDINFO to list the 
>> above output.
>>
>> Any thoughts on what I might be doing wrong?
>>
>> Thanks,
>> -Mike Hardiman
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