NCEP EMC has recently developed the capability of generating simulated satellite products for both the GFS and the NAM using model predicted moisture, cloud, and surface fields. This new capability will allow users to make direct comparisons between satellite observations and operational model output.

The first attempt was to simulate the four channels from the GOES 12 imager based on responses from several NCEP centers and NWS fields offices. The preliminary results have shown reasonable, qualitative agreement between the model-derived radiances and the satellite observations. EMC is planning on generating these new simulated satellite products for both the GFS and the NAM by Winter 2007.

The purpose of this presentation is 1)to describe the

methodology and assumptions used to derive these products

,and 2)to show how these new products compare with

observations.