cloud cover historical data

[claudio cortes]

Thanks for the help and links !

I found a datesets too in:

<http://nomad3.ncep.noaa.gov/pub/reanalysis-1/6hr/grb2d/>surface variables
(glabal coverage)
http://nomad3.ncep.noaa.gov/pub/reanalysis-1/6hr/grb2d/
upper air variables (global coverage)
http://nomad3.ncep.noaa.gov/pub/reanalysis-2/6hr/pgb/


2009/11/6 hossein lotfi <h.meteo.shirazu at gmail.com>

>
>
> On Fri, Nov 6, 2009 at 11:53 AM, Mike Bosilovich <
> mike.bosilovich at gmail.com> wrote:
>
>> Hi Claudio,
>>
>> Just a word of caution. Any reanalysis data is not actually
>> observations, and each reanalysis has it's own bias and uncertainty,
>> NCEP or otherwise. One reanalysis is not necessarily representative of
>> reality, especially in the physics output. Clouds and precipitation
>> can be much more related to the model part of the data assimilation
>> system. Temperature and heights less so, until you move toward data
>> sparse regions.
>>
>> That said MERRA produces reanalysis cloud fields (1/2 degree
>> resolution, global). The following links can be opened in gradsdap or
>> opengrads sessions (sdfopen) to get the MERRA cloud fields:
>>
>> 1 hourly frequency: http://goldsmr2.sci.gsfc.nasa.gov:80/dods/MAT1NXRAD<http://goldsmr2.sci.gsfc.nasa.gov/dods/MAT1NXRAD>
>> Monthly: http://goldsmr2.sci.gsfc.nasa.gov:80/dods/MATMNXRAD<http://goldsmr2.sci.gsfc.nasa.gov/dods/MATMNXRAD>
>>
>> The main data page is at:
>> http://disc.sci.gsfc.nasa.gov/daac-bin/DataHoldings.pl with a variety
>> of download options.
>>
>> Also, you may be interested in installing opengrads on your computer.
>> It has command lines built in for "merra" and "nomads", and these open
>> gui interfaces to each reanalyses Grads Data Servers.
>>
>> Good Luck and have a great weekend!!
>>
>> Mike
>>
>> On Fri, Nov 6, 2009 at 11:59 AM, claudio cortes <claudiomet at gmail.com>
>> wrote:
>> > greetings
>> >
>> > when I need historical data for climatological studies, I download
>> > datasetes from this ftp:
>> > ftp://ftp.cdc.noaa.gov/pub/Datasets/ncep.reanalysis/pressure/
>> > where can I find historical values of temperature, geotential heights,
>> > humidity and wind
>> > and this information I can extract it using grads
>> >
>> > but at this moment, I need cloud cover historial data and
>> > where can I find cloud cover historical datasets ?
>> >
>> > thaks !
>> >
>> > --
>> > Claudio Cortes
>> > +56 (2) 2994121
>> >
>> > Meteorologo
>> > Laboratorio de Meteorologia y Calidad de Aire
>> > Centro Nacional del Medio Ambiente (CENMA)
>> >
>> --------------------------------------------------------------------------------------
>> >
>> > Claudio Cortes
>> > +56 (2) 2994121
>> >
>> > Meteorologist
>> > Meteorology and Air Quality Labs
>> > National Enviroment Center, Chile (CENMA)
>> >
>>
> Hi
> Thank you very very  much for your email and links
> it's has very good data
> Thank you [?]   [?]   [?]  [?]  [?]  [?]  [?]
>



--
Claudio Cortes
+56 (2) 2994121

Meteorologo
Laboratorio de Meteorologia y Calidad de Aire
Centro Nacional del Medio Ambiente (CENMA)
--------------------------------------------------------------------------------------

Claudio Cortes
+56 (2) 2994121

Meteorologist
Meteorology and Air Quality Labs
National Enviroment Center, Chile (CENMA)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20091120/a2871e5b/attachment.html 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/gif
Size: 892 bytes
Desc: not available
Url : http://gradsusr.org/pipermail/gradsusr/attachments/20091120/a2871e5b/attachment.gif