[Wrf-users] Wrf-users Digest, Vol 67, Issue 13

Thu Mar 11 15:14:11 MST 2010

The reanalysis data is usually at a coarser resolution (~ 2.5  
degrees). Please look into NCDC's NOMADS
http://nomads.ncdc.noaa.gov/.
to see if you can get the GFS data at either 1 or 0.5 degrees for your  
region.

wrfhelp

On Mar 11, 2010, at 3:07 PM, wrf-users-request at ucar.edu wrote:

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> Today's Topics:
>
>   1. WRF with reanalysis as inputs (claudio cortes)
>   2. WRF namelist.input for nested domain - Times (Maria Prodanova)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 11 Mar 2010 15:53:35 -0300
> From: claudio cortes <claudiomet at gmail.com>
> Subject: [Wrf-users] WRF with reanalysis as inputs
> To: wrf-users at ucar.edu
> Message-ID:
> 	<5f3ba4e01003111053v6098564x2ba79ef46b5e5241 at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Greetings.
>
> I run a WRF model with forecast purposes for Santiago, Chile.
> But now I have to make a simulation of December 2009, and I dont' have
> input files for these dates.
> The questions are.
>
> ?Can I use reanalysis files for this (from
> ftp://ftp.cdc.noaa.gov/pub/Datasets/ncep.reanalysis/pressure/) ?
> ?What kind of processing I must apply to this data?
> ?I need another datasets (like
> ftp://ftp.cdc.noaa.gov/pub/Datasets/ncep.reanalysis/surface/) ?
>
> Thanks in advance !
>
> -- 
> Claudio Cortes
> +56 (2) 2994121
>
> Meteorologo
> Laboratorio de Meteorologia y Pronostico de la Calidad del Aire  
> (LMPCA)
> Unidad de Modelacion y Gestion de la Calidad del Aire (UMGCA)
> Centro Nacional del Medio Ambiente (CENMA)
>
> --
> Claudio Cortes
> +56 (2) 2994121
>
> Meteorologist
> Meteorology and Air Quality Forecast Labs
> Modeling and Air Quality Management Unit
> National Enviroment Center, Chile (CENMA)
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 11 Mar 2010 16:04:41 +0200
> From: Maria Prodanova <Maria.Prodanova at meteo.bg>
> Subject: [Wrf-users] WRF namelist.input for nested domain - Times
> To: Wrf-users at ucar.edu
> Message-ID: <4B98F879.2090109 at meteo.bg>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear all,
>
> I have experience with MM5, but I am a new user of WRF. I use WRF  
> 3.1.1
> and I would like to run CMAQ 4.6 with output of WRF.
> I run tutorial case without problem.  I prepare my domains - 3 nested
> domains (81, 27, 9 km). I run WPS without error.
> I run real.exe and wrf.exe. I attach my namelist.input. The first I  
> run
> real.exe and wrf.exe with the error in my namelist.input, I wrote
> time_step = 60 instead of 486, in this run I used fdda. All was OK,  
> but
> the calculation was very slowly. I wrote  the write value of   
> time_step
> = 486, but the wrf.exe was  killed. I took out fdda options. As I  
> think
> now all finished successfully ( I attach rsl.error.0000).
> But in the files wrfout_d0*  the times is not correct ( my
> history_interval = 60,  60,   60). The times are:
> Times =
>  "2010-01-11_00:00:00",
>  "2010-01-11_01:04:48",
>  "2010-01-11_02:01:30",
>  "2010-01-11_03:06:18",
>  "2010-01-11_04:03:00",
>  "......................................,
>  "2010-01-13_11:07:48",
>  "2010-01-13_12:04:30" ;
> You may see the header of the wrfout_d01 and Times in the attached  
> file
> z_Times_1_n.
>
> When I wrote  time_step = 60 all was OK:
> 2010-01-11_00:00:00",
>  "2010-01-11_01:00:00",
>  "2010-01-11_02:00:00",
>  "2010-01-11_03:00:00",
>  "2010-01-11_04:00:00",
>  "......................................,
>  "2010-01-13_11:00:00",
>  "2010-01-13_12:04:00" ;
>
> I expected to be the same because history_interval = 60,  60,   60,  
> and
> it is important for CMAQ the output to be every hrs.
>
> Where is my error? Any information regarding this subject is greatly
> appreciated.
>
> Thank you.
>
> Maria
>
>
> -- 
> *************************************************
> Maria Prodanova-Boiadjieva
> National Institute of Meteorology and Hydrology
> 66 Tzarigradsko shaussee, Sofia 1784, Bulgaria
> Phone: (+3592) 462 4598
> Fax: (+3592) 988 03 80, 988 44 94
> e-mail:Maria.Prodanova at meteo.bg
> **************************************************
>
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> End of Wrf-users Digest, Vol 67, Issue 13
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