I have just contacted the sources and I am told that he checked min/max lat/lon for the file and it was right. He is using Linux while I am using Windows, would that be problematic? -- View this message in context: http://r.789695.n4.nabble.com/How-to-open-grib-file-in-R-tp4655497p4655517.html Sent from the R help mailing list archive at Nabble.com.