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[Datastream #YGP-795011]: synop question



Gustavo,

The packing file for dclsfc ($GEMTBL/pack/lsfc.pack) 
stores Daily max and min (TDXC and TDNC). The WMO region III
reports only decode 12 hour max/min, so they are not written to the decoded 
file.
The section 333 is region specific.

Steve Chiswell
Unidata User Support

> Dear Unidata’support staff;
> 
> 
> When reading a  Surface data file (this is a synop file) variables like
> 
> T6XC - Maximum 6-hour temperature in Celsius
> T6NC - Minimum 6-hour temperature in Celsius
> T6XF - Maximum 6-hour temperature in Fahrenheit
> 
> It seems there is a problem. See for instance:
> 
> SFFILE    Surface data file
> /data/ldm/gempak/syn/20061129_syn.gem
> AREA      Data area                         SAEZ **
> DATTIM    Date/time                         ALL
> SFPARM    Surface parameter list            T6XF
> OUTPUT    Output device/filename
> IDNTYP    STNM or STID                      STID
> GEMPAK-SFLIST>
> GEMPAK-SFLIST>
> GEMPAK-SFLIST>r
> [SFLIST 1]  Parameter T6XF is not computable.
> [SFLIST -4]  No valid computable parameters.
> Parameters requested: SFFILE,AREA,DATTIM,SFPARM,OUTPUT,IDNTYP.
> 
> It can be there is a problem when reading maximum and minimum temperatures?
> 
> Thank you!
> 
> Gustavo Pittaluga
> 
> 
> 


Ticket Details
===================
Ticket ID: YGP-795011
Department: Support GEMPAK
Priority: Normal
Status: Closed