How to read this GRIB data

Question

on this open FTP server (ftp://ftpdatos.aemet.es/modelos_numericos/hirlam005_peninsula/) you can find HIRLAM models from the Spanish meteorological service.

The documentation in the LEEME files (in spanish) says the data files are in GRIB-1 format. Unfortunally I'm unable to read it. I use differet programs, like QGIS, and commaind line tools: wgrid, grid_ls, etc without success.

Anyone can take a look and let me know how read it.

Thanks in advance.

=== Updated ===

I'm new to grib and I dont understand about the codes and keys. The documentation at ftp://ftpdatos.aemet.es/modelos_numericos/hirlam005_peninsula/LEEME_DATOS.txt talks about IPAR, LTYP and LEV ids.

Also it contains some description about the parameters in the files:

Variable                   || Unidad  || IPAR || LTYP || LEV 
Temperatura a 2m                 K        011     105     2 
Componente x del viento a 10m   m/s       033     105     10 
Componente y del viento a 10m   m/s       034     105     10 
Precipitación total            kg/m2      061     105     0
Humedad relativa a 2m          kg/kg      052     105     2 

Can someone help me reading that data ???

=== UPDATED ===

Thanks to all for your replies. I finally found the problem which is a bit embarrassing :) A was downloading files in ASCII mode instead BINARY.

I can confirm the grib_api tool, once compiled and installed works perfectly. Example:

$ grib_ls 20120220000000_sfc_fc15
20120220000000_sfc_fc15
edition      centre       typeOfLevel  level        dataDate     stepRange    shortName    packingType  gridType     
1            lemm         heightAboveGround  2            20120220     15           2t           grid_second_order_SPD1  rotated_ll  
1            lemm         heightAboveGround  10           20120220     15           10u          grid_second_order_SPD1  rotated_ll  
1            lemm         heightAboveGround  10           20120220     15           10v          grid_second_order_SPD1  rotated_ll  
1            lemm         heightAboveGround  2            20120220     15           r            grid_second_order_SPD1  rotated_ll  
1            lemm         heightAboveGround  0            20120220     0-15         unknown      grid_second_order_SPD1  rotated_ll  
5 of 5 grib messages in 20120220000000_sfc_fc15

5 of 5 total grib messages in 1 files

On the other hand, I'm not able to make work gdalinfo with this GRIB files, but for the moment I don't require it.

Thanks !!!

Answer 1

Try http://www.zygrib.org/. As an alternative, saga gis also supports reading grib files so you can use that to convert to other file formats.

Answer 2

I'm trying to open the same files. I download grib_api because the files are coded, and with this program you can decoded the files. Although I don't know how I can decoded the files with this program, I don't know how works grib_api. Moreover there are another program for decode the files, CDO, you can free download.