Weather Dictionary / Glossary of Terms

ETA


   Weather TermDescription / Definition
   ETA 1. The Eta Model, now referred to as North Amercian Meso (NAM) an 84-hour numerical model of the atmosphere run four times daily by NCEP. This is one of the main forecast models used for short-term weather prediction in the United States.

2. Estimated Time of Arrival


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration