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Forecast Model Data

Both RUC and NAM Models available

Model data from weatherTAP

What is Model Data?

North America - U.S., Canada, and northern Mexico

The RUC is a NOAA/ NCEP operational weather prediction system running every hour, out to at least 18 hours, comprised primarily of the following:

  • A numerical forecast model (using isentropic-sigma hybrid vertical coordinate)
  • An analysis/assimilation system to initialize that model
  • Developed to serve users needing frequently updated short-range weather forecasts, including those in the US aviation community and US severe weather forecasting community.
  • The Rapid Refresh (RR) is the next-generation version of the 1-h cycle system, planned to replace the current RUC by Aug-Sept 2011.

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