Now incorporated into the National Centers for Environmental Prediction, it was the division of the National Weather Service that produced, processed, handled, and distributed meteorological and oceanographic information to users throughout the Northern Hemisphere, specifically U.S. governmental organizations.
NATIONAL METEOROLOGICAL CENTER (NMC)
Meaning of NATIONAL METEOROLOGICAL CENTER (NMC) in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012