Size is 2847, 1517
Coordinate System is:
GEOGCS["Coordinate System imported from GRIB file",
    DATUM["unknown",
        SPHEROID["Sphere",6371229,0]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433]]
Origin = (229.982699929725896,55.001944129287601)
Pixel Size = (0.024600140548138,-0.023088258575198)
Corner Coordinates:
Upper Left  (     229.983,      55.002) (229d58'57.72"E, 55d 0' 7.00"N)
Lower Left  (     229.983,      19.977) (229d58'57.72"E, 19d58'37.40"N)
Upper Right (     300.019,      55.002) (300d 1' 9.48"E, 55d 0' 7.00"N)
Lower Right (     300.019,      19.977) (300d 1' 9.48"E, 19d58'37.40"N)
Center      (     265.001,      37.490) (265d 0' 3.60"E, 37d29'22.20"N)

PROJ.4 : '+proj=longlat +a=6371229 +b=6371229 +no_defs '

OGC WKT :
GEOGCS["Coordinate System imported from GRIB file",
    DATUM["unknown",
        SPHEROID["Sphere",6371229,0]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433]]