GRIB files from the operational RUC forecast can be found on the NCEP ftp server or at the NWS Gateway server. Descriptions of some of these output files can be found at the EMC NAM Grid Domains page.
CHECK OUT THESE OTHER EMC WEB PAGES WITH CONVECTIVE FORECASTING INFO
NAM Convective Forecasting Page
NAM Forecast Soundings
Get the forecasts for the other recent cycles here (link opens a new window):
EMC DISCLAIMER : This web page is not "operational" and therefore
not subject to 24-h monitoring by NCEP's Central Operations staff.