IMPORTANT NOTE FOR ALL OUTSIDE USERS OF NAM GRIB2 DATA
If your application (such as the WRF Preprocessing codes) fail using NAM GRIB2 input
after the 21 March 2017 NAMv4 implementation, please see the
GRIB2 LIBRARY FIX entry on the Mesoscale FAQ web page.
PLEASE NOTE : As of 1 May 2017 the internal realignment of the Environmental
Modeling Center branch structure has gone into effect, and the old Global, Mesoscale,
and Marine Modeling Branches have been replaced by the following structure:
This legacy Mesoscale Modeling Branch web page will remain in place for the time
being pending changes to the EMC web page to reflect the new organizational structure.

The Mesoscale Modeling Branch conducts a program of research and development in support of the National Centers for Environmental Prediction (NCEP) operational forecasting mission for mesoscale prediction. For more details, please see our mission statement.