g2sub V1.1 on Nomads

[Wesley Ebisuzaki]

Paolo,

      Here is my guess.  Someone forgot to update the table with the
list of valid
vertical levels when they updated the variable & level data.

         Wesley


Paolo Ciraci wrote:
> Pierre Cassar wrote:
>> Hi All,
>>
>> I was testing the g2sub V1.1 interface on the new Nomads server to
>> retrieve some GFS data. Unfortunately I was not able to retrieve the
>> following variable which I used to download from the previous Nomads
>> servers:
>>
>>> TCDCclm  0 71,200,0 ** atmos column Total cloud cover [%]
>
> Hi Pierre,
>
> perhaps there's a problem in the g2sub "levels" filter.
>
> In fact if you try to retrieve only the "entire atmosphere (considered
> as a single layer)" level you obtain the error:
>
> > Error
> >
> > invalid parameter:
> lev_entire_atmosphere_%28considered_as_a_single_layer%29
>
> On the contrary if you try to download "all the levels" for variable
> TCDC you can obtain your TCDCclm variable as usual.
>
> I had a quick test on the fly an the following is part of the Grads
> control file I generated:
>
> ---cut here---
>
> vars 6
> TCDCclm   0,200,0   0,6,1,0 ** entire atmosphere (considered as a single
> layer) Total Cloud Cover [%]
> TCDCblcll   0,211,0   0,6,1,0 ** boundary layer cloud layer Total Cloud
> Cover [%]
> TCDClcll   0,214,0   0,6,1,0 ** low cloud layer Total Cloud Cover [%]
> TCDCmcll   0,224,0   0,6,1,0 ** middle cloud layer Total Cloud Cover [%]
> TCDChcll   0,234,0   0,6,1,0 ** high cloud layer Total Cloud Cover [%]
> TCDCccll   0,244,0   0,6,1 ** convective cloud layer Total Cloud Cover
> [%]
> ENDVARS
>
> ---cut here---
>
> Obviously to get "all levels" cannot be considered the best solution if
> you want to save download bandwith :-)
>
> Dr. Paolo Ciraci
> info at paolociraci.it