NCEP GDAS/FNL Global Surface Flux Grids

Note: Since this dataset now has a duplicate copy in AWS, we will stop continuous updates of this dataset in the summer 2025.The NCEP operational Global Data Assimilation System surface flux grids are on a T574 Gaussian global grid. Grids include analysis and forecast time steps at a 3 hourly interval from 0 to 9 hours. Model runs occur at 00, 06, 12, and 18 UTC daily. For real-time data access please use the NCEP data server [http://www.nco.ncep.noaa.gov/pmb/products/gfs/#GDAS].