Hello, I am looking for some help extracting a subset of data from a large dataset. The data is being read from a wgrib2 (World Meterological Organization standard gridded data) using the pygrib library. The data values, latitudes and longitudes are in separate lists (arrays?), and I would like a regional subset. The budget is not very large, but I am hoping that this is pretty simple job. I am just way too green at Python / numpy to know how to proceed, or even what to search for on Google. If interested, please e-mail jlounds@dynamiteinc.com Thank you! Jeremy Lounds DynamiteInc.com 1-877-762-7723, ext 711 Fax: 877-202-3014