help me the IPCC AR4 dada

[Heiner Körnich]

Hi,

have you run "gribmap" over the ctl-file?
The entry for index is a bit strange. It should be ^ instead of ~.

Regards,
Heiner

On Thu, 2007-11-15 at 20:11 +0900, Baolin Zhang wrote:
> Dear all
> I want to open IPCC AR4 precipitation data over Africa.
>
> I try the follow:
> dset ^a.grb
> dtype grib
> index ~a.grb.gmp
> undef -9.99E+33
> title a.grb
> xdef 57 linear -56.890000 1.875000
> ydef 52 linear -33.750000 1.875000
> zdef 1 levels 1 1
> tdef 1812 linear jan1950 1mon
> vars 1
> APCP 0 99 total precipitation
> endvars
>
> But the result is: all grid undefined.
>
> Anyone knows the format? I am not sure about the bold lines.
> I used wgrib a.grb, the last line is:
> 1812:10894976:d=00121612:APCP:kpds5=61:kpds6=1:kpds7=0:TR=10:P1=0:P2=0:TimeU=0:sfc:anl:NAve=0
> Any suggestions?
>
> Thank you
>
> Best regards
>
>
> Baolin Zhang
--
Heiner Körnich
Dept. of Meteorology            Tel:  +46 8 164333
Stockholms University, SE-106 91 Stockholm, Sweden
Email: heiner at misu.su.se   www.misu.su.se/~heiner/