Re: [ferret_users] anomaly and climatology

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Just one more addition to this discussion.  There is a write-up about 
creating anomoly time series in the FAQ, "How do I calculate 
climatologies and climatological anomalies?" at 
http://www.ferret.noaa.gov/Ferret/FAQ/analysis/climatologies.html

Ansley

DELCLAUX Francois wrote:

> Hi Ferret users,
>
> I have a grid(x,y) monthly time-series data of an anomaly variable, 
> say  : pa  (n values)
> I have a grid(x,y)  monthly climatological variable, say pc (12 values)
>
> Now I would like to build a time series data of the real variable p, 
> on the same time-axis as pa
> such as : (in the following, the index corresponds to L index 
> according to ferret  definition)
>
> p(1) = pa(1) + pc(1)
> p(2) = pa(2) + pc(2)
> p(12) = pa(12) + pc(12)
> ....
> p(13) = pa(13) + pc(1)
> p(14) = pa(14) + pc(2)
> ....
> p(n) = pa(n) + pc(12)
>
> What is the best way for doing that operation ?
>
> Thanks a lot for answers.
>
> Sincerely yours.